Results 31 to 40 of about 874 (207)

Numerical investigation on the performance of a solar air heater using inclined impinging jets on absorber plate with parallel and crossing orientation of nozzles

Case Studies in Thermal Engineering, 2023
This work investigates the performance enhancement of a solar air heater using inclined impinging jets on the heater surface. Two main sets of arrangements are considered for the jet nozzles including the parallel and crossing orientation of nozzles in ...
Tao Hai, Ibrahim B Mansir, Bader Alshuraiaan, Azher M Abed, H. Elhosiny Ali, Mahidzal Dahari, Hind Albalawi   +6 more
doaj   +1 more source

Performance analysis of absorber tube in parabolic trough solar collector inserted with semi-annular and fin shape metal foam hybrid structure

Case Studies in Thermal Engineering, 2021
The objective of present study is to investigate the effect of a novel type of insertion, i.e. semi-annular and fin shape metal foam (SAFM) hybrid structure on thermohydraulic and thermodynamic performance of absorber tube in parabolic trough collector ...
Hao Peng, Meilin Li, Fenfen Hu, Shiyu Feng   +3 more
doaj   +1 more source

Analysis of the thermal improvement of plate fin-tube heat exchanger with straight and curved rectangular winglet vortex generators

Case Studies in Thermal Engineering, 2023
A novel combination of curved and straight rectangular winglet vortex generator (RWVG) pairs was arranged in a common-flow-up (CFU) configuration on plate fins for enhancing the comprehensive performance of the fin-tube heat exchanger.
Lumei Zhao, Zuoqin Qian, Xinyu Wang, Qiang Wang, Changyi Li, Zhicheng Zhang   +5 more
doaj   +1 more source

Modelling and Evaluation of the Thermohydraulic Performance of Finned-Tube Supercritical Carbon Dioxide Gas Coolers

Energies, 2020
This paper investigates the thermohydraulic performance of finned-tube supercritical carbon dioxide (sCO2) gas coolers operating with refrigerant pressures near the critical point.
Lei Chai, Konstantinos M. Tsamos, Savvas A. Tassou   +2 more
doaj   +1 more source

Thermal transport and magnetohydrodynamics flow of generalized Newtonian nanofluid with inherent irreversibility between conduit with slip at the walls

Engineering Applications of Computational Fluid Mechanics, 2023
This study enlightens the magnetohydrodynamic Jeffery-Hamel flow under an inclined Lorentz force through a non-uniform conduit having slip at walls, which is frequently applied in geothermal applications, electronic cooling devices, and modern energy ...
Mohamed Boujelbene, Sohail Rehman, Sultan Alqahtani, Sultan Alshehery, Sayed M. Eldin   +4 more
doaj   +1 more source

A Review of Airside Heat Transfer Augmentation with Vortex Generators on Heat Transfer Surface

Energies, 2018
Heat exchanger performance can be improved via the introduction of vortex generators to the airside surface, based on the mechanism that the generated longitudinal vortices can disrupt the boundary layer growth, increase the turbulence intensity and ...
Lei Chai, Savvas A. Tassou
doaj   +1 more source

Modeling and Evaluation of the Thermohydraulic Performance of Compact Recuperative Heat Exchangers in Supercritical Carbon Dioxide Waste Heat to Power Conversion Systems [PDF]

, 2021
Copyright © 2021 The Author(s). Compact recuperative heat exchangers are critical components in supercritical carbon dioxide (sCO2) waste heat to power conversion systems.
Chai, L, Tassou, SA
core   +1 more source

THERMOHYDRAULIC PERFORMANCE OF AN EQUILATERAL TRIANGULAR DUCT WITH ARTIFICIAL ROUGHNESS USED IN SOLAR AIR HEATER

, 2020
The thermohydraulic performance of artificially roughened equilateral triangular solar air heater duct has been investigated and the comparision of the same has been presented with that of a conventional smooth solar air heater duct.
., VARUN, BHARADWAJ, GAURAV, SHARMA, AVDHESH   +2 more
core   +1 more source

Thermohydraulic performance improvement and entropy generation characteristics of a microchannel heat sink cooled with new hybrid nanofluids containing ternary/binary hybrid nanocomposites

Energy Science & Engineering, 2021
Recently, the combination of hybrid nanofluids with microchannel heat sinks (MCHSs) has led to superior heat removal from high heat flux electronics chips.
M. Mohamed Souby, Mohamed H. S. Bargal, Yiping Wang   +2 more
doaj   +1 more source

Thermohydraulic Performance and Entropy Generation of a Triple-Pass Solar Air Heater with Three Inlets

, 2021
In this paper, a triple-pass solar air heater with three inlets is analytically investigated. The effects of airflow ratios of the second and third passes (ranging from 0 to 0.4), and the Reynolds number of the third pass (ranging from 8000 to 18,000) on
Nguyen Minh Phu, Nguyen Van Hap, Ngo Thien Tu   +2 more
core   +1 more source