Heat transfer characteristics of turbulent flow of supercritical carbon dioxide (sCO2) in a short-heated microchannel

U Manda, A Parahovnik, S Mazumdar… - International Journal of …, 2023 - Elsevier
A numerical study, validated by experimental results, of convective heat transfer of
supercritical carbon dioxide (sCO 2) in a short-heated microchannel is reported here. RANS …

Performance evaluation criteria of a star-shaped cross-sectional horizontal microchannel with supercritical carbon dioxide

U Manda, Y Peles - International Communications in Heat and Mass …, 2024 - Elsevier
The performance of a microchannel depends on various factors including the shape of its
cross-section. Traditional shapes, such as circular, triangular, square, etc. have been …

Effects of buoyancy in a laminar flow of supercritical carbon dioxide in a horizontal microchannel at different gravities

U Manda, S Mazumdar, Y Peles - International Communications in Heat …, 2024 - Elsevier
The effects of buoyancy were generally neglected in convective heat transfer inside
horizontal microchannels because gravitational effects diminish compared to inertial and …

Thermoacoustic waves and Piston Effect inside a microchannel with Carbon Dioxide near critical conditions

U Manda, A Parahovnik, Y Peles - Thermal Science and Engineering …, 2022 - Elsevier
Heat transfer near the critical condition of Carbon Dioxide due to thermo-acoustic waves in a
100-µm high microchannel was numerically studied. The fluid temperature outside the …

Effects of cross-sectional shape on flow and heat transfer of the laminar flow of supercritical carbon dioxide inside horizontal microchannels

U Manda, S Mazumdar, Y Peles - International Journal of Thermal …, 2024 - Elsevier
Supercritical carbon dioxide (sCO 2) flow at the micro scale provides an excellent heat
transfer solutions for a range of microelectronics cooling applications. The cross-sectional …

Comprehensive review and future prospects on chip-scale thermal management: Core of data center's thermal management

Z Li, H Luo, Y Jiang, H Liu, L Xu, K Cao, H Wu… - Applied Thermal …, 2024 - Elsevier
Data centers are increasingly important for global societal and economic advancement. The
reliable operation of data centers depends on robust thermal management systems for …

A comparative analysis of ammonia and supercritical carbon dioxide in horizontal microchannels

U Manda, Y Peles - Applied Thermal Engineering, 2024 - Elsevier
Supercritical carbon dioxide (sCO 2) and ammonia (NH 3) can be used as coolants in high
power-density microelectronics. sCO 2 at the micro scale provides enhanced heat transfer …

Cooling process analysis using the energy-flow-diagram method for the complex heat dissipation network with a typical space station cabin

M Yuan, YZ Li, Y Sun - Applied Thermal Engineering, 2023 - Elsevier
The large thermal inertia, multiple mass storage links, and various heat dissipation modes
will seriously affect the cooling process for complex spacecraft. The energy-flow-diagram …

[HTML][HTML] Experimental study on the forced convection heat transfer characteristics of airflow with variable thermophysical parameters in a circular tube

Q Zhao, B Mao, J Zhao, H Li, S Wei, X Bai… - Case Studies in Thermal …, 2022 - Elsevier
The heat transfer of fluids in pipelines under conditions with variable thermophysical
parameters is ubiquitous in engineering applications, but effective methods to predict the …

Explosive breakup and evolution of the thermal boundary layer around a pulse-heated microwire in sub-and supercritical CO2

G Wang, ZC Hu - Physics of Fluids, 2022 - pubs.aip.org
This paper reports our experimental findings aimed to understand the importance of
compressibility in fluid flow and heat transfer. A platinum microwire of diameter 50 μ m was …