Gear-generalized differential quadrature analysis of oscillatory convective Taylor-Couette flows of second-grade fluids subject to Lorentz and Darcy-Forchheimer …

WF **… - Chinese Journal of …, 2023 - Elsevier
More and more researchers have paid attention to Taylor-Couette flow whose axial
dimension is much larger than other dimensions. However, featured by the limited axial …

Model improvement for shaft-type windage loss with CO2

L Hu, Q Deng, J Li, Z Feng - The Journal of Supercritical Fluids, 2022 - Elsevier
To improve the prediction accuracy of skin friction coefficient C f related shaft-type windage
loss in generators of turbine-alternator-compressor (TAC) units, an original model is …

Effects of Surface Roughness on Windage Loss and Flow Characteristics in Shaft-Type Gap with Critical CO2

L Hu, Q Deng, Z Liu, J Li, Z Feng - Applied Sciences, 2022 - mdpi.com
To investigate the effects of surface roughness on windage loss and flow characteristics in a
shaft-type gap, the skin friction coefficient (C f) and flow versus Reynolds number (Re) at …

Numerical investigation of the flow characteristics of supercritical carbon dioxide in a high-speed rotating annular gap

F Lu, C Guo, S Zhang, B Chen, X Xu - Physics of Fluids, 2023 - pubs.aip.org
The flow characteristics of Taylor–Couette–Poiseuille flow induced by supercritical carbon
dioxide in an annular gap play a pivotal role in determining the overall performance of the …

Flow and thermo-hydrodynamic characteristics in supercritical CO2 lubrication

C **ong, B Xu, Z Chen - Applied Thermal Engineering, 2024 - Elsevier
Supercritical CO 2 is used as an important lubricant in Brayton cycle turbomachinery, and
the study of lubricant flow and heat transfer mechanisms plays a crucial role in the …

Numerical analysis of flow and heat transfer characteristics in Taylor-Couette-Poiseuille flow utilizing Large Eddy Simulation method

F Lu, C Guo, S Zhang - International Communications in Heat and Mass …, 2024 - Elsevier
The flow and heat transfer characteristics within the Taylor-Couette-Poiseuille configuration
induced by supercritical carbon dioxide flowing through the gap between the turbine shaft …

Influence of operating conditions on in-tube vapour condensation heat transfer characteristics in the presence of noncondensable gases at high pressure

K Qin, A Zhang, Q Guo, J Zhang, K Luo - Applied Thermal Engineering, 2023 - Elsevier
The in-tube vapour condensation heat characteristics in the presence of noncondensable
gas at high pressures are experimentally validated with an error of 20%. Numerical …

Analytical formulation of the steady-state planar Taylor–Couette flow constitutive equations with entropy considerations

B Jalili, AA Azar, D Liu, P Jalili, C Kang, DD Ganji - Physics of Fluids, 2024 - pubs.aip.org
This study presents a comprehensive analytical approach to address the complexities of
flow and heat transfer in planar Taylor–Couette systems. Utilizing innovative simplifying …