Results 1 to 10 of about 4,334 (188)

Parametric Study on Thermo-Hydraulic Performance of NACA Airfoil Fin PCHEs Channels [PDF]

Energies, 2022
In this work, a discontinuous airfoil fin printed circuit heat exchanger (PCHE) was used as a recuperator in a micro gas turbine system. The effects of the airfoil fin geometry parameters (arc height, maximum arc height position, and airfoil thickness ...
Wei Wang, Liang Ding, Fangming Han, Yong Shuai, Bingxi Li, Bengt Sunden   +5 more
doaj   +3 more sources

Numerical study on bionic airfoil fins used in printed circuit plate heat exchanger [PDF]

Open Physics
Airfoil printed circuit heat exchangers (PCHEs) possess exceptional comprehensive performance. In recent years, extensive research has been conducted on the layout and structure optimization of airfoil fins.
Yu Chulin, Liu Binfeng, Cui Yulin, Wang Wenqing, Yang Yuxi   +4 more
doaj   +3 more sources

Thermal performance of open microchannel heat sink with NACA airfoil shaped pin fins [PDF]

Journal of Mechanics, 2023
ABSTRACT The main purpose of this study is to numerically investigate the effect of pin-fin National Advisory Committee for Aeronautics (NACA) airfoil on the heat transfer performance of a single open microchannel heat sink with a fixed surface area and a constant wall heat flux. It was found that the helical flow within the microchannel
K. Wu, Huei Chu Weng
openalex   +2 more sources

Numerical thermal–hydraulic analysis and multiobjective design optimization of a printed circuit heat exchanger with airfoil overlap fin channels [PDF]

Engineering Reports, 2023
In this study, we numerically investigated the performance of a printed circuit heat exchanger (PCHE) featuring National Advisory Committee for Aeronautics (NACA) 0020 airfoil overlap fins integrated into its straight flow channels. Numerical simulations
Geng‐Chun Kuo, Jun‐Yu Xie, Chih‐Che Chueh   +2 more
doaj   +2 more sources

Numerical Investigation on the Flow and Heat Transfer Characteristics of Supercritical Liquefied Natural Gas in an Airfoil Fin Printed Circuit Heat Exchanger [PDF]

Energies, 2017
As a new kind of highly compact and efficient micro-channel heat exchanger, the printed circuit heat exchanger (PCHE) is a promising candidate satisfying the heat exchange requirements of liquefied natural gas (LNG) vaporization at low and high pressure.
Zhongchao Zhao, Kai Zhao, Dandan Jia, Pengpeng Jiang, Rendong Shen   +4 more
doaj   +2 more sources

Investigation of heat transfer performance and enhancement mechanisms of supercritical carbon dioxide in PCHE with fractal airfoil fins

Case Studies in Thermal Engineering
A fractal structure featuring symmetric/asymmetric airfoil fins is embedded within the smooth channels of the printed circuit heat exchanger (PCHE), significantly enhancing its heat transfer performance.
Yong Li, Yu Fu, Jin Zhang, Jiajie Zhang, Jing Xu, Suxia Ma, Bengt Sunden, Gongnan Xie   +7 more
doaj   +3 more sources

Design and performance Assessment of Straight, Zigzag, and airfoil fin configurations in 100 kW supercritical CO2 PCHE for enhanced Pre-Cooler application

Energy Conversion and Management: X
The design of the fins of the Printed Circuit Heat Exchanger (PCHE) pre-cooler significantly impacts the efficacy and cost of supercritical carbon dioxide (sCO2) Recompression cycles.
Md Maruf Ahmed, M. Monjurul Ehsan
doaj   +2 more sources

Optimization and Predictive Correlation of Thermal-Hydraulic Performance for Transcritical Methane in an Airfoil-Fin Printed Circuit Heat Exchanger

Energies
This study investigates the flow and heat transfer characteristics within a printed circuit heat exchanger (PCHE) equipped with airfoil fins. A numerical model of a counter-flow airfoil-fin PCHE was developed, using transcritical methane as the cold ...
Changyu Sun, Xiaolin Ma, Yaxin Zhang, Lin Li, Jianzhong Yin, Tao Yang   +5 more
doaj   +2 more sources

Numerical Simulation Study on Effect of Fin Array on Impingement Heat Transfer Performance of Airfoil Surface

Shanghai Jiaotong Daxue xuebao, 2023
Impinging jet is widely implemented at the leading edge of aircraft wings for anti-/de-icing purposes. To further improve the anti-icing performance, this paper utilized numerical simulation to explore the impingement heat transfer characteristics of ...
ZHANG Tianlun, WANG Kechen, ZHANG Xu, ZHOU Wenwu
doaj   +2 more sources

Thermal-Hydraulic Characteristics of Carbon Dioxide in Printed Circuit Heat Exchangers with Staggered Airfoil Fins [PDF]

Processes, 2023
Airfoil fin printed circuit heat exchangers (PCHEs) have broad application prospects in the naval, aerospace, electric power, and petrochemical industries. The channel structure is a critical factor affecting their thermal-hydraulic characteristics. In this study, a novel PCHE channel structure with staggered NACA 0025 airfoil-shaped fins was proposed;
Kun Xi, Xiang Zhao, Zhihui Xie, Fankai Meng, Zhuoqun Lu, Xiangkun Ji   +5 more
openalex   +2 more sources