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 …

Thermal characteristics and cooling effect for SCO2 dry gas seal with multiple dynamic groove types

T Yuan, R Yang, Z Li, J Li, Q Yuan, L Song - Applied Thermal Engineering, 2024 - Elsevier
The aim of this research is to investigate the impact of the dynamic groove type and coolant
mass flow ratio (CMFR) on sealing performances and cooling effects of a supercritical …

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 …

Flow regimes and heat transfer mechanisms affecting supercritical transition in microchannels

TA Whitaker, JW Cochran, JD Hochhalter… - International Journal of …, 2024 - Elsevier
Supercritical carbon dioxide (sCO 2) exhibits unique thermophysical and transport
properties, which have the potential to enhance a wide range of thermal systems. Significant …

Direct numerical simulations of cooling flow and heat transfer in supercritical CO2 Brayton cycle coupled with solar energy

D Wu, M Wei, J He, S He, R Tian - Applied Thermal Engineering, 2023 - Elsevier
Direct numerical simulation was used to study supercritical carbon dioxide's flow and heat
transfer mechanisms under cooling conditions in the supercritical CO 2 Brayton Cycle …

Hydraulic and thermal performance enhancement for the cold plate using topology optimization

K Zhang, Y Li, SM Chang, L Hu, X Wang… - Applied Thermal …, 2024 - Elsevier
Liquid-based battery thermal management system (BTMS) is designed to ensure the narrow
operating temperature range for the desired performance of Lithium-ion batteries (LIBs) …

Comparison of heat transfer characteristics of flow of supercritical carbon dioxide and water inside a square microchannel

U Manda, Y Peles, S Putnam - 2021 20th IEEE Intersociety …, 2021 - ieeexplore.ieee.org
Water is a common coolant for many heat transfer applications, yet, it has many
disadvantages relative to other liquid coolants, such as high corrosiveness, high electrical …