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  1. Ansatte

Språkvelger

English

R. Jason Hearst

Last ned pressefoto
Last ned pressefoto
Foto:

R. Jason Hearst

Professor
Institutt for energi- og prosessteknikk
Fakultet for ingeniørvitenskap

jason.hearst@ntnu.no
91359427 Strømningsteknisk, 211, Gløshaugen, Kolbjørn Hejes vei 2
ResearchGate Scopus Google Scholar
Om Publikasjoner Undervisning Formidling

Om

Forskning

Min forskning er fokusert på eksperimentelle målinger av turbulente strømninger. Noen temaer jeg arbeider aktivt med er:

  • Transport av CO₂ og O₂ fra luft til vann ved hjelp av turbulens
  • Generering av turbulens ved høye Reynolds-tall (high Reynolds number).
  • Miljøinspirerte problemstillinger innen fluidmekanikk.
  • Effekten av turbulens på ulike geometrier (f.eks. vingprofiler, bygninger og vindturbiner).
  • Turbulente grenselag.
  • Vindassistert fremdrift av skip.

Jeg er professor med ansvar for NTNUs vindtunnel og luft-vann-kanal.

Bakgrunn og utdanning

2023 -           Professor, NTNU
2017 - 2023 Førsteamanuensis, NTNU
2015 - 2017  Postdoktor, University of Southampton
2009 - 2014  PhD, University of Toronto Instititute for Aerospace Studies
2005 - 2009  BASc, University of Toronto, Engineering Science (Aerospace)

Forskningsmidler

2024-2028 Norges forskningsrådet - KSP - reSail - Sailing with wind-assisted propulsion in realistic wind conditions

2022 - 2027 European Research Council - ERC Starting Grant - GLITR - Breaking through: The impact of turbulence on the gas-liquid interface

2019 - 2024  Norges forskningsrådet - FRIPRO - WallMix - Near-wall mixing by free-stream turbulence

2018 - 2021  Norges forskningsrådet - CLIMIT - DiHI-Tech - Distributed hydrogen injection and combustion technology for next generation pre-combustion CCS schemes

Utmerkelser

2026 - Nobuhide Kasagi Award - International Symposium on Turbulence and Shear Flow Phenomena

2015 - G.N. Patterson Award - University of Toronto Institute for Aerospace Studies

PhD-kandidater

  • Adharsh Shankaran - Oxygen transport at an air-water interface (GLITR)
  • Youssef Elashmawi - Effect of turbulence on an air-water interface (GLITR)
  • Petter Rikheim Benonisen - Effect of turbulence on gas transfer at an air-water interface (GLITR)
  • Rafael Bölsterli - The impact of turbulence on wind-assisted propulsion on ships (reSail)
  • Johannes Næsset Hillestad (hovedveiler: Nicholas Worth) - Volumetric rotating wake measurements

Postdoktorer

  • Amélie Ferran - Wave-turbulence-current-wind interactions (GLITR)

Forskere

  • Srikar Yadala - Strømningslab-koordinator

Tidligere medlemmer

  • Olav Rømcke - PhD 2018-2021 - Nå: Postdoktor ved NTNU med Simen Ellingsen
  • Leon Li - PhD 2018-2022, Post-doc: 2022-2025 - Nå: Forsker i fluidmekanikk ved Vaja AB
  • Yannick Jooss - PhD 2019-2022 - Nå: Forsker ved SINTEF Energi AS
  • Magnus Kyrkjebø Vinnes - PhD 2018-2023 - Nå: Forskningsleder ved SINTEF Energi AS
  • Md Kamruzzaman - Postdoktor 2019-2021 - Nå: Research Associate & Adjust Lecturer ved the University of Newcastle
  • Pim Bullee - Postdoktor 2020-2022 - Nå: Postdoktor ved ETH Zürich
  • Masoud Asadi - PhD 2019-2024 - Nå: Data-Driven Maintenance Lead ved Aker Solutions AS
  • Ingrid Neunaber - Postdoktor 2022-2025 - Nå: Assistant Professor ved KTH
  • Yi Hui Tee - Postdoktor 2022-2025 - Nå: Assistant Professor ved U of Ottawa

Kompetanseord

  • Fluid mechanics
  • Particle image velocimetry
  • Turbulence
  • Wind energy
  • Wind tunnel

Publikasjoner

  • Kronologisk
  • Etter kategori
  • Alle publikasjoner i Nasjonalt vitenarkiv (NVA)

2026

  • Ali, Haider; Hillestad, Johannes Næsset; Worth, Nicholas Alexander; Hearst, R. Jason; Solsvik, Jannike. (2026) PIV experiments and LES modeling of non-Newtonian fluids in laboratory and pilot-scale stirred tanks. International journal of Chemical Reactor Engineering
    Vitenskapelig artikkel

2025

  • Li, Leon; Hearst, Robert Jason. (2025) Effects of freestream turbulence on the wakes of circular and square cylinders. Physical Review Fluids
    Vitenskapelig artikkel
  • Neunaber, Ingrid Johanne; Yadala, Srikar; Hearst, R. Jason. (2025) Induced periodicity in wakes. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Yadala, Srikar; Dehareng, Simon; Neunaber, Ingrid Johanne; Jankee, Girish Kumarsing; Kaufmann, Rene; Couliou, Marie. (2025) The effect of turbulence on a flexible finite wing: forces, deflections and the wingtip vortex. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Benonisen, Petter Rikheim; Hearst, R. Jason; Tee, Yi Hui. (2025) Dispersion of inertial finite-size particles in turbulent open-channel flow. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Couliou, M.; Yadala, Srikar; Jankee, Girish Kumarsing; Neunaber, Ingrid Johanne; Hearst, Robert Jason. (2025) The effect of freestream turbulence on wing-tip vortex meandering and deformation. International Journal of Heat and Fluid Flow
    Vitenskapelig artikkel
  • Hearst, Robert Jason; Neunaber, Ingrid Johanne. (2025) Wake merging and turbulence transition downstream of side-by-side porous discs. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Hölling, Michael; Wagner, M; Bocarov, E; Mannini, Claudio; Massai, T; Barni, Niccolo. (2025) Round-Robin test II – wake measurements of porous discs under clearly defined boundary conditions. Journal of Physics: Conference Series (JPCS)
    Vitenskapelig artikkel
  • Tee, Yi Hui; Dawson, James Richard; Hearst, Robert Jason. (2025) Volumetric study of particle-wake interactions based on free falling finite particles. Experiments in Fluids
    Vitenskapelig artikkel
  • Asadi, Masoud; Bullee, Pim Adriaan; Hearst, Robert Jason. (2025) The instantaneous structure of a turbulent wall-bounded flow influenced by freestream turbulence: Streamwise evolution. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Shankaran, Adharsh; Hearst, Robert Jason. (2025) Simultaneous measurements of velocity, oxygen concentration, and deformed interface position in an air–water channel using PIV and LIF. Experiments in Fluids
    Vitenskapelig artikkel
  • Li, Leon; Bullee, Pim Adriaan; Ellingsen, Simen Andreas Ådnøy; Hearst, Robert Jason. (2025) Sub-surface turbulence or non-breaking capillary waves: which dominates air–water gas transfer?. Journal of Fluid Mechanics
    Vitenskapelig artikkel

2024

  • Neunaber, Ingrid Johanne; Asadi, Masoud; Li, Leon; Hearst, Robert Jason. (2024) Comparing Hot-Wire Measurements and Particle Image Velocimetry of Turbulence Fields Generated by an Active Grid.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Asadi, Masoud; Bullee, Pim Adriaan; Hearst, Robert Jason. (2024) A Method for Identifying the Freestream Turbulence/Turbulent Boundary Layer Interface.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Asadi, Masoud; Hearst, R. Jason. (2024) Exploring Turbulence - Turbulence Interactions: Impacts of Incoming Turbulence on Wall-Bounded Flows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doktorgradsavhandling
  • Li, Leon; Hearst, Robert Jason. (2024) The Near- and Intermediate-Wakes of Cylinders Under the Influence of Freestream Turbulence.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Hillestad, Johannes Næsset; Venkata, Srikar Yadala; Neunaber, Ingrid Johanne; Li, Leon; Hearst, Robert Jason; Worth, Nicholas Alexander. (2024) Volumetric visualization of vanishing vortices in wind turbine wakes. Physical Review Fluids
    Vitenskapelig artikkel
  • Wallisch, Joachim; Lindner, Markus Jürgen; Petersen, Øyvind Wiig; Neunaber, Ingrid Johanne; Bracchi, Tania Kalogiannidis; Hearst, Robert Jason. (2024) UAV Icing: Aerodynamic Degradation Caused by Intercycle and Runback Ice Shapes on an RG-15 Airfoil. Drones
    Vitenskapelig artikkel
  • Bullee, Pim Adriaan; Weichert, Stefan; Nore, Astri; Li, Leon; Ellingsen, Simen Andreas Ådnøy; Hearst, Robert Jason. (2024) The influence of water turbulence on surface deformations and the gas transfer rate across an air–water interface. Experiments in Fluids
    Vitenskapelig artikkel

2023

  • Kildal, Oddbjørn; Li, Leon; Hearst, Robert Jason; Petersen, Øyvind Wiig; Øiseth, Ole Andre. (2023) On the use of an active turbulence grid in wind tunnel testing of bridge decks. Journal of Wind Engineering and Industrial Aerodynamics
    Vitenskapelig artikkel
  • Vinnes, Magnus Kyrkjebø; Worth, Nicholas Alexander; Segalini, Antonio; Hearst, Robert Jason. (2023) The flow in the induction and entrance regions of lab-scale wind farms. Wind Energy
    Vitenskapelig artikkel
  • Jooss, Yannick; Hearst, Robert Jason; Bracchi, Tania Kalogiannidis. (2023) Influence of incoming turbulence and shear on the flow field and performance of a lab-scale roof-mounted vertical axis wind turbine. Journal of Renewable and Sustainable Energy
    Vitenskapelig artikkel
  • Smeltzer, Benjamin Keeler; Rømcke, Olav; Hearst, R. Jason; Ellingsen, Simen Andreas Ådnøy. (2023) Experimental study of the mutual interactions between waves and tailored turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Vinnes, Magnus Kyrkjebø; Neunaber, Ingrid; Lykke, Hauk-Morten Heimlund; Hearst, Robert Jason. (2023) Characterizing porous disk wakes in different turbulent inflow conditions with higher-order statistics. Experiments in Fluids
    Vitenskapelig artikkel

2022

  • Nunes, Ângelo Dinis Simões; Sierra-Pallaras, José; Tran, Quang Khanh; Hearst, Robert Jason. (2022) Development of an aqueous lignin mixture thermophysical model for hydrothermal liquefaction applications using uncertainty quantification tools. Chemical Engineering Science (CES)
    Vitenskapelig artikkel
  • Asadi, Masoud; Kamruzzaman, Md; Hearst, Robert Jason. (2022) The effect of inlet turbulence on the quiescent core of turbulent channel flow. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Nore, Astri; Hearst, R. Jason; Bullee, Pim Adriaan. (2022) The effect of turbulence on oxygen uptake of water. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Vinnes, Magnus Kyrkjebø; Gambuzza, Stefano; Ganapathisubramani, Bharathram; Hearst, Robert Jason. (2022) The far wake of porous disks and a model wind turbine: Similarities and differences assessed by hot-wire anemometry. Journal of Renewable and Sustainable Energy
    Vitenskapelig artikkel
  • Jooss, Yannick; Rønning, Eivind Berg; Hearst, Robert Jason; Bracchi, Tania. (2022) Influence of position and wind direction on the performance of a roof mounted vertical axis wind turbine. Journal of Wind Engineering and Industrial Aerodynamics
    Vitenskapelig artikkel
  • Jooss, Yannick; Bolis, Roberto; Bracchi, Tania; Hearst, R. Jason. (2022) Flow field and performance of a vertical-axis wind turbine on model buildings. Flow
    Vitenskapelig artikkel
  • Asadi, Masoud; Kamruzzaman, Md; Hearst, Robert Jason. (2022) Structure of turbulent channel flow subjected to simultaneous inlet turbulence and localized injection. Physical Review Fluids
    Vitenskapelig artikkel

2021

  • Rømcke, Olav; Peters, Ivo R.; Hearst, Robert Jason. (2021) Characterizing the surface texture of a dense suspension undergoing dynamic jamming. Experiments in Fluids
    Vitenskapelig artikkel
  • Hearst, Robert Jason; Silva, Charitha de; Dogan, Eda; Ganapathisubramani, Bharathram. (2021) Uniform-momentum zones in a turbulent boundary layer subjected to freestream turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Rømcke, Olav; Peters, Ivo R.; Hearst, Robert Jason. (2021) Getting jammed in all directions: Dynamic shear jamming around a cylinder towed through a dense suspension. Physical Review Fluids
    Vitenskapelig artikkel
  • Rømcke, Olav; Peters, Ivo R.; Hearst, R. Jason. (2021) Collision of dynamic jamming fronts in a dense suspension. Physical Review Fluids
    Vitenskapelig artikkel
  • Rømcke, Olav; Hearst, R. Jason; Peters, Ivo R.. (2021) Colliding jamming fronts in a dense suspension. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doktorgradsavhandling
  • Li, Leon; Hearst, R. Jason. (2021) The influence of freestream turbulence on the temporal pressure distribution and lift of an airfoil. Journal of Wind Engineering and Industrial Aerodynamics
    Vitenskapelig artikkel
  • Vinnes, Magnus Kyrkjebø; Hearst, R. Jason. (2021) Aerodynamics of an airfoil with leading-edge icing. Wind Energy
    Vitenskapelig artikkel
  • Helvig, Sanne de Jong; Vinnes, Magnus Kyrkjebø; Segalini, Antonio; Worth, Nicholas; Hearst, R. Jason. (2021) A comparison of lab-scale free rotating wind turbines and actuator disks. Journal of Wind Engineering and Industrial Aerodynamics
    Vitenskapelig artikkel
  • Kamruzzaman, Md; Rømcke, Olav; Hearst, R. Jason. (2021) The impact of upstream turbulence on a plane jet. Experiments in Fluids
    Vitenskapelig artikkel
  • Jooss, Yannick; Li, Leon; Bracchi, Tania; Hearst, Robert Jason. (2021) Spatial development of a turbulent boundary layer subjected to freestream turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel

2020

  • Li, Leon; Hearst, R. Jason; Ferreira, Manuel A.; Ganapathisubramani, Bharathram. (2020) The near-field of a lab-scale wind turbine in tailored turbulent shear flows. Renewable Energy
    Vitenskapelig artikkel
  • Kozul, Melissa; Hearst, R. Jason; Monty, Jason P; Ganapathisubramani, Bharathram; Chung, Daniel. (2020) Response of the temporal turbulent boundary layer to decaying free-stream turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Hann, Richard; Hearst, R. Jason; Sætran, Lars Roar; Bracchi, Tania. (2020) Experimental and numerical icing penalties of an S826 airfoil at low Reynolds numbers. Aerospace
    Vitenskapelig artikkel
  • Skeide, Arne Kilvik; Bardal, Lars Morten; Oggiano, Luca; Hearst, R. Jason. (2020) The significant impact of ribs and small-scale roughness on cylinder drag crisis. Journal of Wind Engineering and Industrial Aerodynamics
    Vitenskapelig artikkel

2019

  • Vinnes, Magnus Kyrkjebø; Li, Leon; Hearst, R. Jason. (2019) PIV of the Flow Over a NREL S826 Airfoil Subjected to Different Ice Accretions.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Aliferis, Alexander Dahl; Jessen, Marius Stette; Bracchi, Tania; Hearst, R. Jason. (2019) Performance and wake of a Savonius vertical‐axis wind turbine under different incoming conditions. Wind Energy
    Vitenskapelig artikkel
  • Li, Leon; Hearst, R. Jason; Ganapathisubramani, Bharathram. (2019) The Mean Velocity of the Near-Field of a Lab-Scale Wind Turbine in Tailored Turbulent Shear Flows.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Hearst, R. Jason. (2019) The Use of Active Grids in Experimental Facilities.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Zimmerman, Spencer; Philip, Jimmy; Monty, Jason P; Talamelli, A.; Marusic, Ivan; Ganapathisubramani, Bharathram. (2019) A comparative study of the velocity and vorticity structure in pipes and boundary layers at friction Reynolds numbers up to 10^4. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Baidya, Rio; Baars, W. J.; Zimmerman, Spencer; Samie, Milad; Hearst, R. Jason; Dogan, Eda. (2019) Simultaneous skin friction and velocity measurements in high Reynolds number pipe and boundary layer flows. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Aubrun, Sandrine; Bastankhah, M; Cal, Raúl Bayoán; Conan, B; Hearst, R. Jason; Hoek, D. (2019) Round-robin tests of porous disc models. Journal of Physics: Conference Series (JPCS)
    Vitenskapelig artikkel
  • Aubrun, Sandrine; Bastankhah, M; Cal, Raúl Bayoán; Conan, Boris; Hearst, Robert Jason; Hoek, Daan van der. (2019) Round-robin tests of porous disc models. Journal of Physics: Conference Series (JPCS)
    Vitenskapelig artikkel
  • Dogan, Eda; Hearst, R. Jason; Hanson, Ronald; Ganapathisubramani, Bharathram. (2019) Spatial characteristics of a zero-pressure-gradient turbulent boundary layer in the presence of free-stream turbulence. Physical Review Fluids
    Vitenskapelig artikkel

2018

  • Hearst, R. Jason; Dogan, Eda; Ganapathisubramani, Bharathram. (2018) Robust features of a turbulent boundary layer subjected to high-intensity free-stream turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Laskari, Angeliki; Kat, Roeland de; Hearst, R. Jason; Ganapathisubramani, Bharathram. (2018) Time evolution of uniform moment zones in a turbulent boundary layer. Journal of Fluid Mechanics
    Vitenskapelig artikkel

2017

  • Dogan, Eda; Hearst, R. Jason; Ganapathisubramani, Bharathram. (2017) Modelling high Reynolds number wall-turbulence interactions in laboratory experiments using large-scale free-stream turbulence. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
    Vitenskapelig artikkel
  • Hearst, R. Jason; Ganapathisubramani, Bharathram. (2017) Tailoring incoming shear and turbulence profiles for lab-scale wind turbines. Wind Energy
    Vitenskapelig artikkel

2016

  • Hearst, Robert Jason; Gomit, Guillaume; Ganapathisubramani, Bharathram. (2016) Effect of turbulence on the wake of a wall-mounted cube. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Hearst, R. Jason; Lavoie, Philippe. (2016) Effects of multi-scale and regular grid geometry on decaying turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Hearst, R. Jason; Lavoie, Philippe. (2016) Influence of an extended non-equilibrium region on far-field grid turbulence.
    Faglig kapittel
  • Hearst, R. Jason; Dogan, Eda; Ganapathisubramani, Bharathram. (2016) Interaction layer between a turbulent boundary layer and freestream turbulence.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2015

  • Hearst, R. Jason; Lavoie, Philippe. (2015) The effect of active grid initial conditions on high Reynolds number turbulence. Experiments in Fluids
    Vitenskapelig artikkel
  • Hearst, R. Jason; Lavoie, Philippe. (2015) Velocity derivative skewness in fractal-generated, non-equilibrium grid turbulence. Physics of Fluids
    Vitenskapelig artikkel
  • Hearst, R. Jason; Ganapathisubramani, Bharathram. (2015) Quantification and adjustment of pixel-locking in Particle Image Velocimetry. Experiments in Fluids
    Vitenskapelig artikkel

2014

  • Hearst, R. Jason; Lavoie, Philippe. (2014) Scale-by-scale energy budget in fractal element grid-generated turbulence. Journal of turbulence
    Vitenskapelig artikkel
  • Hearst, R. Jason; Lavoie, Philippe. (2014) Decay of turbulence generated by a square-fractal-element grid. Journal of Fluid Mechanics
    Vitenskapelig artikkel

2012

  • Hearst, R. Jason; Buxton, Oliver RH; Ganapathisubramani, Bharathram; Lavoie, Philippe. (2012) Experimental estimation of fluctuating velocity and scalar gradients in turbulence. Experiments in Fluids
    Vitenskapelig artikkel

Tidsskriftspublikasjoner

  • Ali, Haider; Hillestad, Johannes Næsset; Worth, Nicholas Alexander; Hearst, R. Jason; Solsvik, Jannike. (2026) PIV experiments and LES modeling of non-Newtonian fluids in laboratory and pilot-scale stirred tanks. International journal of Chemical Reactor Engineering
    Vitenskapelig artikkel
  • Li, Leon; Hearst, Robert Jason. (2025) Effects of freestream turbulence on the wakes of circular and square cylinders. Physical Review Fluids
    Vitenskapelig artikkel
  • Neunaber, Ingrid Johanne; Yadala, Srikar; Hearst, R. Jason. (2025) Induced periodicity in wakes. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Yadala, Srikar; Dehareng, Simon; Neunaber, Ingrid Johanne; Jankee, Girish Kumarsing; Kaufmann, Rene; Couliou, Marie. (2025) The effect of turbulence on a flexible finite wing: forces, deflections and the wingtip vortex. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Benonisen, Petter Rikheim; Hearst, R. Jason; Tee, Yi Hui. (2025) Dispersion of inertial finite-size particles in turbulent open-channel flow. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Couliou, M.; Yadala, Srikar; Jankee, Girish Kumarsing; Neunaber, Ingrid Johanne; Hearst, Robert Jason. (2025) The effect of freestream turbulence on wing-tip vortex meandering and deformation. International Journal of Heat and Fluid Flow
    Vitenskapelig artikkel
  • Hearst, Robert Jason; Neunaber, Ingrid Johanne. (2025) Wake merging and turbulence transition downstream of side-by-side porous discs. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Hölling, Michael; Wagner, M; Bocarov, E; Mannini, Claudio; Massai, T; Barni, Niccolo. (2025) Round-Robin test II – wake measurements of porous discs under clearly defined boundary conditions. Journal of Physics: Conference Series (JPCS)
    Vitenskapelig artikkel
  • Tee, Yi Hui; Dawson, James Richard; Hearst, Robert Jason. (2025) Volumetric study of particle-wake interactions based on free falling finite particles. Experiments in Fluids
    Vitenskapelig artikkel
  • Asadi, Masoud; Bullee, Pim Adriaan; Hearst, Robert Jason. (2025) The instantaneous structure of a turbulent wall-bounded flow influenced by freestream turbulence: Streamwise evolution. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Shankaran, Adharsh; Hearst, Robert Jason. (2025) Simultaneous measurements of velocity, oxygen concentration, and deformed interface position in an air–water channel using PIV and LIF. Experiments in Fluids
    Vitenskapelig artikkel
  • Li, Leon; Bullee, Pim Adriaan; Ellingsen, Simen Andreas Ådnøy; Hearst, Robert Jason. (2025) Sub-surface turbulence or non-breaking capillary waves: which dominates air–water gas transfer?. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Hillestad, Johannes Næsset; Venkata, Srikar Yadala; Neunaber, Ingrid Johanne; Li, Leon; Hearst, Robert Jason; Worth, Nicholas Alexander. (2024) Volumetric visualization of vanishing vortices in wind turbine wakes. Physical Review Fluids
    Vitenskapelig artikkel
  • Wallisch, Joachim; Lindner, Markus Jürgen; Petersen, Øyvind Wiig; Neunaber, Ingrid Johanne; Bracchi, Tania Kalogiannidis; Hearst, Robert Jason. (2024) UAV Icing: Aerodynamic Degradation Caused by Intercycle and Runback Ice Shapes on an RG-15 Airfoil. Drones
    Vitenskapelig artikkel
  • Bullee, Pim Adriaan; Weichert, Stefan; Nore, Astri; Li, Leon; Ellingsen, Simen Andreas Ådnøy; Hearst, Robert Jason. (2024) The influence of water turbulence on surface deformations and the gas transfer rate across an air–water interface. Experiments in Fluids
    Vitenskapelig artikkel
  • Kildal, Oddbjørn; Li, Leon; Hearst, Robert Jason; Petersen, Øyvind Wiig; Øiseth, Ole Andre. (2023) On the use of an active turbulence grid in wind tunnel testing of bridge decks. Journal of Wind Engineering and Industrial Aerodynamics
    Vitenskapelig artikkel
  • Vinnes, Magnus Kyrkjebø; Worth, Nicholas Alexander; Segalini, Antonio; Hearst, Robert Jason. (2023) The flow in the induction and entrance regions of lab-scale wind farms. Wind Energy
    Vitenskapelig artikkel
  • Jooss, Yannick; Hearst, Robert Jason; Bracchi, Tania Kalogiannidis. (2023) Influence of incoming turbulence and shear on the flow field and performance of a lab-scale roof-mounted vertical axis wind turbine. Journal of Renewable and Sustainable Energy
    Vitenskapelig artikkel
  • Smeltzer, Benjamin Keeler; Rømcke, Olav; Hearst, R. Jason; Ellingsen, Simen Andreas Ådnøy. (2023) Experimental study of the mutual interactions between waves and tailored turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Vinnes, Magnus Kyrkjebø; Neunaber, Ingrid; Lykke, Hauk-Morten Heimlund; Hearst, Robert Jason. (2023) Characterizing porous disk wakes in different turbulent inflow conditions with higher-order statistics. Experiments in Fluids
    Vitenskapelig artikkel
  • Nunes, Ângelo Dinis Simões; Sierra-Pallaras, José; Tran, Quang Khanh; Hearst, Robert Jason. (2022) Development of an aqueous lignin mixture thermophysical model for hydrothermal liquefaction applications using uncertainty quantification tools. Chemical Engineering Science (CES)
    Vitenskapelig artikkel
  • Asadi, Masoud; Kamruzzaman, Md; Hearst, Robert Jason. (2022) The effect of inlet turbulence on the quiescent core of turbulent channel flow. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Vinnes, Magnus Kyrkjebø; Gambuzza, Stefano; Ganapathisubramani, Bharathram; Hearst, Robert Jason. (2022) The far wake of porous disks and a model wind turbine: Similarities and differences assessed by hot-wire anemometry. Journal of Renewable and Sustainable Energy
    Vitenskapelig artikkel
  • Jooss, Yannick; Rønning, Eivind Berg; Hearst, Robert Jason; Bracchi, Tania. (2022) Influence of position and wind direction on the performance of a roof mounted vertical axis wind turbine. Journal of Wind Engineering and Industrial Aerodynamics
    Vitenskapelig artikkel
  • Jooss, Yannick; Bolis, Roberto; Bracchi, Tania; Hearst, R. Jason. (2022) Flow field and performance of a vertical-axis wind turbine on model buildings. Flow
    Vitenskapelig artikkel
  • Asadi, Masoud; Kamruzzaman, Md; Hearst, Robert Jason. (2022) Structure of turbulent channel flow subjected to simultaneous inlet turbulence and localized injection. Physical Review Fluids
    Vitenskapelig artikkel
  • Rømcke, Olav; Peters, Ivo R.; Hearst, Robert Jason. (2021) Characterizing the surface texture of a dense suspension undergoing dynamic jamming. Experiments in Fluids
    Vitenskapelig artikkel
  • Hearst, Robert Jason; Silva, Charitha de; Dogan, Eda; Ganapathisubramani, Bharathram. (2021) Uniform-momentum zones in a turbulent boundary layer subjected to freestream turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Rømcke, Olav; Peters, Ivo R.; Hearst, Robert Jason. (2021) Getting jammed in all directions: Dynamic shear jamming around a cylinder towed through a dense suspension. Physical Review Fluids
    Vitenskapelig artikkel
  • Rømcke, Olav; Peters, Ivo R.; Hearst, R. Jason. (2021) Collision of dynamic jamming fronts in a dense suspension. Physical Review Fluids
    Vitenskapelig artikkel
  • Li, Leon; Hearst, R. Jason. (2021) The influence of freestream turbulence on the temporal pressure distribution and lift of an airfoil. Journal of Wind Engineering and Industrial Aerodynamics
    Vitenskapelig artikkel
  • Vinnes, Magnus Kyrkjebø; Hearst, R. Jason. (2021) Aerodynamics of an airfoil with leading-edge icing. Wind Energy
    Vitenskapelig artikkel
  • Helvig, Sanne de Jong; Vinnes, Magnus Kyrkjebø; Segalini, Antonio; Worth, Nicholas; Hearst, R. Jason. (2021) A comparison of lab-scale free rotating wind turbines and actuator disks. Journal of Wind Engineering and Industrial Aerodynamics
    Vitenskapelig artikkel
  • Kamruzzaman, Md; Rømcke, Olav; Hearst, R. Jason. (2021) The impact of upstream turbulence on a plane jet. Experiments in Fluids
    Vitenskapelig artikkel
  • Jooss, Yannick; Li, Leon; Bracchi, Tania; Hearst, Robert Jason. (2021) Spatial development of a turbulent boundary layer subjected to freestream turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Li, Leon; Hearst, R. Jason; Ferreira, Manuel A.; Ganapathisubramani, Bharathram. (2020) The near-field of a lab-scale wind turbine in tailored turbulent shear flows. Renewable Energy
    Vitenskapelig artikkel
  • Kozul, Melissa; Hearst, R. Jason; Monty, Jason P; Ganapathisubramani, Bharathram; Chung, Daniel. (2020) Response of the temporal turbulent boundary layer to decaying free-stream turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Hann, Richard; Hearst, R. Jason; Sætran, Lars Roar; Bracchi, Tania. (2020) Experimental and numerical icing penalties of an S826 airfoil at low Reynolds numbers. Aerospace
    Vitenskapelig artikkel
  • Skeide, Arne Kilvik; Bardal, Lars Morten; Oggiano, Luca; Hearst, R. Jason. (2020) The significant impact of ribs and small-scale roughness on cylinder drag crisis. Journal of Wind Engineering and Industrial Aerodynamics
    Vitenskapelig artikkel
  • Aliferis, Alexander Dahl; Jessen, Marius Stette; Bracchi, Tania; Hearst, R. Jason. (2019) Performance and wake of a Savonius vertical‐axis wind turbine under different incoming conditions. Wind Energy
    Vitenskapelig artikkel
  • Zimmerman, Spencer; Philip, Jimmy; Monty, Jason P; Talamelli, A.; Marusic, Ivan; Ganapathisubramani, Bharathram. (2019) A comparative study of the velocity and vorticity structure in pipes and boundary layers at friction Reynolds numbers up to 10^4. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Baidya, Rio; Baars, W. J.; Zimmerman, Spencer; Samie, Milad; Hearst, R. Jason; Dogan, Eda. (2019) Simultaneous skin friction and velocity measurements in high Reynolds number pipe and boundary layer flows. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Aubrun, Sandrine; Bastankhah, M; Cal, Raúl Bayoán; Conan, B; Hearst, R. Jason; Hoek, D. (2019) Round-robin tests of porous disc models. Journal of Physics: Conference Series (JPCS)
    Vitenskapelig artikkel
  • Aubrun, Sandrine; Bastankhah, M; Cal, Raúl Bayoán; Conan, Boris; Hearst, Robert Jason; Hoek, Daan van der. (2019) Round-robin tests of porous disc models. Journal of Physics: Conference Series (JPCS)
    Vitenskapelig artikkel
  • Dogan, Eda; Hearst, R. Jason; Hanson, Ronald; Ganapathisubramani, Bharathram. (2019) Spatial characteristics of a zero-pressure-gradient turbulent boundary layer in the presence of free-stream turbulence. Physical Review Fluids
    Vitenskapelig artikkel
  • Hearst, R. Jason; Dogan, Eda; Ganapathisubramani, Bharathram. (2018) Robust features of a turbulent boundary layer subjected to high-intensity free-stream turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Laskari, Angeliki; Kat, Roeland de; Hearst, R. Jason; Ganapathisubramani, Bharathram. (2018) Time evolution of uniform moment zones in a turbulent boundary layer. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Dogan, Eda; Hearst, R. Jason; Ganapathisubramani, Bharathram. (2017) Modelling high Reynolds number wall-turbulence interactions in laboratory experiments using large-scale free-stream turbulence. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
    Vitenskapelig artikkel
  • Hearst, R. Jason; Ganapathisubramani, Bharathram. (2017) Tailoring incoming shear and turbulence profiles for lab-scale wind turbines. Wind Energy
    Vitenskapelig artikkel
  • Hearst, Robert Jason; Gomit, Guillaume; Ganapathisubramani, Bharathram. (2016) Effect of turbulence on the wake of a wall-mounted cube. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Hearst, R. Jason; Lavoie, Philippe. (2016) Effects of multi-scale and regular grid geometry on decaying turbulence. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Hearst, R. Jason; Lavoie, Philippe. (2015) The effect of active grid initial conditions on high Reynolds number turbulence. Experiments in Fluids
    Vitenskapelig artikkel
  • Hearst, R. Jason; Lavoie, Philippe. (2015) Velocity derivative skewness in fractal-generated, non-equilibrium grid turbulence. Physics of Fluids
    Vitenskapelig artikkel
  • Hearst, R. Jason; Ganapathisubramani, Bharathram. (2015) Quantification and adjustment of pixel-locking in Particle Image Velocimetry. Experiments in Fluids
    Vitenskapelig artikkel
  • Hearst, R. Jason; Lavoie, Philippe. (2014) Scale-by-scale energy budget in fractal element grid-generated turbulence. Journal of turbulence
    Vitenskapelig artikkel
  • Hearst, R. Jason; Lavoie, Philippe. (2014) Decay of turbulence generated by a square-fractal-element grid. Journal of Fluid Mechanics
    Vitenskapelig artikkel
  • Hearst, R. Jason; Buxton, Oliver RH; Ganapathisubramani, Bharathram; Lavoie, Philippe. (2012) Experimental estimation of fluctuating velocity and scalar gradients in turbulence. Experiments in Fluids
    Vitenskapelig artikkel

Del av bok/rapport

  • Neunaber, Ingrid Johanne; Asadi, Masoud; Li, Leon; Hearst, Robert Jason. (2024) Comparing Hot-Wire Measurements and Particle Image Velocimetry of Turbulence Fields Generated by an Active Grid.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Asadi, Masoud; Bullee, Pim Adriaan; Hearst, Robert Jason. (2024) A Method for Identifying the Freestream Turbulence/Turbulent Boundary Layer Interface.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Li, Leon; Hearst, Robert Jason. (2024) The Near- and Intermediate-Wakes of Cylinders Under the Influence of Freestream Turbulence.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Vinnes, Magnus Kyrkjebø; Li, Leon; Hearst, R. Jason. (2019) PIV of the Flow Over a NREL S826 Airfoil Subjected to Different Ice Accretions.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Li, Leon; Hearst, R. Jason; Ganapathisubramani, Bharathram. (2019) The Mean Velocity of the Near-Field of a Lab-Scale Wind Turbine in Tailored Turbulent Shear Flows.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Hearst, R. Jason. (2019) The Use of Active Grids in Experimental Facilities.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Hearst, R. Jason; Lavoie, Philippe. (2016) Influence of an extended non-equilibrium region on far-field grid turbulence.
    Faglig kapittel
  • Hearst, R. Jason; Dogan, Eda; Ganapathisubramani, Bharathram. (2016) Interaction layer between a turbulent boundary layer and freestream turbulence.
    Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

Rapport

  • Asadi, Masoud; Hearst, R. Jason. (2024) Exploring Turbulence - Turbulence Interactions: Impacts of Incoming Turbulence on Wall-Bounded Flows. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doktorgradsavhandling
  • Nore, Astri; Hearst, R. Jason; Bullee, Pim Adriaan. (2022) The effect of turbulence on oxygen uptake of water. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Mastergradsoppgave
  • Rømcke, Olav; Hearst, R. Jason; Peters, Ivo R.. (2021) Colliding jamming fronts in a dense suspension. Norges teknisk-naturvitenskapelige universitet Norges teknisk-naturvitenskapelige universitet
    Doktorgradsavhandling

Undervisning

Emner

  • TEP4926 - Termo- og fluiddynamikk, masteroppgave
  • TEP4112 - Turbulente strømninger
  • TEP4541 - Termo- og fluiddynamikk, fordypningsprosjekt
  • EP8487 - Turbulens

Formidling

2025

  • Vitenskapelig foredrag
    Ellingsen, Simen Ådnøy; Rømcke, Olav; Gautam, Priyanka; Hearst, R. Jason; Smeltzer, Benjamin Keeler. (2025) Mixing and transport in waves and turbulence: experimental investigations. 8th Norway-Scotland waves symposium , The Royal Society of Edinburgh, Edinburgh 22.10.2025 - 23.10.2025
  • Vitenskapelig foredrag
    Ellingsen, Simen Ådnøy; Rømcke, Olav; Smeltzer, Benjamin Keeler; Hearst, R. Jason; Moen, Kristoffer Sosulski; Bremer, Ton S. van den. (2025) Turbulence-induced anti-Stokes flow: experiment and theory. Bornö workshop on surface waves , Bornö 04.08.2025 - 07.08.2025
  • Vitenskapelig foredrag
    Ferran, Amelie Mia Helene; Rømcke, Olav; Gautam, Priyanka; Hearst, R. Jason; Ellingsen, Simen Ådnøy. (2025) Experiment on Eulerian and Lagrangian mean flow in water waves with turbulence. International Conference on Multiphase Flow , Toulouse 12.05.2025 - 15.05.2025
  • Vitenskapelig foredrag
    Ellingsen, Simen Ådnøy; Rømcke, Olav; Smeltzer, Benjamin Keeler; Teixeira, Miguel A. C.; Bremer, Ton S. van den; Moen, Kristoffer Sosulski. (2025) Eulerian anti-Stokes flow from wave-turbulence interaction: Experiment and theory. Waves in Sea Environments (WISE) 2025 , Seattle 12.05.2025 - 16.05.2025
  • Vitenskapelig foredrag
    Rømcke, Olav; Smeltzer, Benjamin Keeler; Teixeira, Miguel A. C.; Moen, Kristoffer Sosulski; Bremer, Ton S. van den; Hearst, R. Jason. (2025) Mean current created by wave-turbulence interactions: experiment and theory. European Fluid Dynamics Conference (EFDC2) , Dublin 24.08.2025 - 29.08.2025
  • Vitenskapelig foredrag
    Ferran, Amelie Mia Helene; Semati, Ali; Rouaud, Anaïs; Hearst, R. Jason; Ellingsen, Simen Ådnøy. (2025) Correlation between near-surface turbulence and the free surface. European Fluid Dynamics Conference - EFDC2 , Dublin 24.08.2025 - 29.08.2025

2024

  • Poster
    Ferran, Amelie Mia Helene; Rømcke, Olav; Gautam, Priyanka; Hearst, Robert Jason; Ellingsen, Simen Andreas Ådnøy. (2024) Experiment on Eulerian and Lagrangian motion in waves and turbulence. Wind Waves in the Earth System , Cargèse, Corsica 22.04.2024 - 26.04.2024
  • Vitenskapelig foredrag
    Semati, Ali; Shankaran, Adharsh; Hearst, Robert Jason; Ellingsen, Simen Andreas Ådnøy. (2024) Simultaneous particle image velocimetry and wave measurement with fringe projection profilometry. 1st European Fluid Dynamics Conference , Aachen, Tyskland 16.09.2024 - 20.09.2024
  • Vitenskapelig foredrag
    Hearst, Robert Jason. (2024) Walls, waves, and interfacial gas transfer: What is turbulence doing?. Experiments in Fluids Seminar Series , Online 21.05.2024 - 21.05.2024

2023

  • Vitenskapelig foredrag
    Asadi, Masoud; Bullee, Pim Adriaan; Hearst, Robert Jason. (2023) Streamwise evolution of the interface between freestream turbulence and a turbulent boundary layer. 18th European Turbulence Conference , Valencia, Spain 04.09.2023 - 06.09.2023
  • Vitenskapelig foredrag
    Smeltzer, Benjamin Keeler; Rømcke, Olav; Hearst, Robert Jason; Ellingsen, Simen Andreas Ådnøy. (2023) Experimental study of Wave-turbulence interactions. The 4th workshop on Waves and Wave-Coupled Processes , Uppsala, Sverige 14.02.2023 - 16.02.2023
  • Poster
    Loft, Malte; Ellingsen, Simen Andreas Ådnøy; Hearst, Robert Jason; Rømcke, Olav; Gautam, Priyanka; Rung, Thomas. (2023) Simulation of scale-resolved mixing of passive scalars in waves and turbulence. EGU General Assemply , Wien, Østerrike 20.04.2023 - 28.04.2023
  • Vitenskapelig foredrag
    Ellingsen, Simen Andreas Ådnøy; Smeltzer, Benjamin Keeler; Rømcke, Olav; Hearst, Robert Jason. (2023) Experimental study of wave-turbulence interactions. The Norway-Scotland symposium on water waves , Oslo, Norge 30.10.2023 - 31.10.2023
  • Vitenskapelig foredrag
    Rømcke, Olav; Smeltzer, Benjamin Keeler; Løvvig, Inger Skundberg; Djupesland, Johannes; Hearst, Robert Jason; Ellingsen, Simen Andreas Ådnøy. (2023) Experimental study of Wave-turbulence interactions. European Turbulence Conference , Valencia, Spania 04.09.2023 - 06.09.2023
  • Poster
    Smeltzer, Benjamin Keeler; Rømcke, Olav; Hearst, Robert Jason; Ellingsen, Simen Andreas Ådnøy. (2023) Experimental study of the mutual interactions between waves and tailored turbulence. EGU General Assemply , Wien, Østerrike 23.04.2023 - 28.04.2023
  • Vitenskapelig foredrag
    Tee, Yi Hui; Dawson, James Richard; Hearst, Robert Jason. (2023) Experimental investigation of particle-wake interactions based on settling of finite-size particles. 76th Annual Meeting of the APS Division of Fluid Dynamics , Washington, D.C., U.S.A 19.11.2023 - 21.11.2023

2022

  • Vitenskapelig foredrag
    Ganesan, Balamurugan; Tee, Yi Hui; Hearst, Robert Jason; Dawson, James Richard. (2022) Free surface effects on a rotating cylinder. 75th Annual Meeting of the American Physical Society’s Division of Fluid Dynamics (APS DFD) , Indianapolis, Indiana, USA 20.11.2022 - 22.11.2022

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