Riblet-generated flow mechanisms that lead to local breaking of Reynolds analogy

A Rouhi, S Endrikat, D Modesti… - Journal of Fluid …, 2022 - cambridge.org
Riblet-generated flow mechanisms that lead to local breaking of Reynolds analogy Page 1 J.
Fluid Mech. (2022), vol. 951, A45, doi:10.1017/jfm.2022.880 Riblet-generated flow mechanisms …

Evaluation of heat transfer enhancement effect at the hot/cold end of a Stirling engine using performance improvement factor

F **n, B Xu, D Dai, W Liu, Z Liu - Energy, 2024 - Elsevier
The driving force of a Stirling engine comes from the heating expansion and cooling
compression of working medium. The enhancement of heat transfer capacity of the hot/cold …

Effect of streamwise vortex induced by streamwise grooves on drag reduction and heat transfer performance

J Wang, Y Fan, J Ge, X Liu - International Journal of Thermal Sciences, 2023 - Elsevier
Based on the speed streaks spacing of 100 times the dimensionless viscous length. In a
rectangular channel, the streamwise grooves were arranged at the corresponding positions …

Breaking the Reynolds analogy: decoupling turbulent heat and momentum transport via spanwise wall oscillation in wall-bounded flow

L Guérin, C Flageul, L Cordier, S Grieu… - arxiv preprint arxiv …, 2023 - arxiv.org
This work investigates spanwise wall oscillation (SWO) as a method to preferentially
enhance heat transfer over drag in turbulent channel flow. Direct numerical simulations at …

[HTML][HTML] Preferential enhancement of convective heat transfer over drag via near-wall turbulence manipulation using spanwise wall oscillations

L Guérin, C Flageul, L Cordier, S Grieu… - International Journal of …, 2024 - Elsevier
This study investigates the manipulation of convective heat transfer through spanwise wall
oscillations in a turbulent channel flow. Direct numerical simulations are performed at R e τ …

Experimental study of enhanced boiling heat transfer with suction

Y Zhang, W Liu, B Liu, X Yu, J Wei - Microgravity Science and Technology, 2021 - Springer
In this paper, the tested chip was directly immersed in subcooled (ΔT sub= 3 K) FC-72 for
boiling heat transfer, and an experimental apparatus with suction tube was designed. A …

Heat transfer modification in an unsteady laminar boundary layer subject to free-stream traveling waves

T Agarwal, B Cukurel, I Jacobi - International Journal of Heat and Mass …, 2024 - Elsevier
A laminar, thermal boundary layer was forced computationally by free-stream, traveling-
wave velocity fluctuations and the effects on the wall heat flux and skin friction were …

[HTML][HTML] Machine learning for rapid discovery of laminar flow channel wall modifications that enhance heat transfer

Y Koide, AJ Kaithakkal, M Schniewind… - APL Machine …, 2024 - pubs.aip.org
Numerical simulation of fluid flow plays an essential role in modeling many physical
phenomena, which enables technological advancements, contributes to sustainable …

Impact of Flow Unsteadiness on Turbine Airfoil Heat Transfer via Streaming

T Agarwal, I Jacobi, B Cukurel - Journal of …, 2024 - asmedigitalcollection.asme.org
Thermal management of turbine airfoils is a critical design consideration, but the impact of
unsteadiness on heat transfer of attached flow regions has received less attention in the …

Impact of Flow Unsteadiness on Turbine Airfoil Heat Transfer via Streaming

T Agarwal, I Jacobi, B Cukurel - … Expo: Power for …, 2023 - asmedigitalcollection.asme.org
Thermal management of turbine airfoils is a critical design consideration, but the impact of
unsteadiness on heat transfer of attached flow regions has received less attention in the …