Results 101 to 110 of about 685 (172)

Experimental Research on a New Mini-Channel Transcritical CO₂ Heat Pump Gas Cooler. [PDF]

Micromachines (Basel), 2023
Jiang J, Liang S, Xu X, Chen B, Shen Z, Guo C, Yu L, Qin S.   +7 more
europepmc   +1 more source

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   +1 more source

Research Progress in Supercritical CO2 Microchannel Heat Exchangers

Zhileng xuebao, 2023
In the context of the "3060 carbon peaking and carbon neutrality goals", promoting energy-efficient transportation and rational utilization is one of the important paths to achieve carbon neutrality, where heat exchangers are known to play a crucial role.
Huang Junjie, Han Zengxiao, Guo Jiangfeng, Huai Xiulan   +3 more
doaj  

Computational Design and Characterisation of Gyroid Structures with Different Gradient Functions for Porosity Adjustment. [PDF]

Materials (Basel), 2022
Wallat L, Altschuh P, Reder M, Nestler B, Poehler F.   +4 more
europepmc   +1 more source

Experimental and Numerical Study on Flow and Heat Transfer Characteristics of Additively Manufactured Triply Periodic Minimal Surface (TPMS) Heat Exchangers for Micro Gas Turbine

Aerospace
This paper proposes two compact, efficient, and lightweight heat exchangers based on triply periodic minimal surfaces (TPMSs). Designed in an annular configuration, the heat exchangers meet the requirements of micro gas turbines for compactness.
Xiyuan Su, Yueliang Zhang, Yu Rao, Kirttayoth Yeranee, Xintong Wang   +4 more
doaj   +1 more source

Process assessment, integration and optimisation: The path towards cleaner production. [PDF]

J Clean Prod, 2021
Varbanov PS, Jia X, Lim JS.
europepmc   +1 more source

Heat transfer enhancement in a supercritical CO2–water printed circuit heat exchanger using rectangular cavities and pulsating flow

AIP Advances
The printed circuit heat exchanger (PCHE) significantly reduces thermodynamic load and footprint in the heat exchange process of the supercritical carbon dioxide Brayton cycle.
Shiyu Lai, Tieyu Gao, Xiangrui Meng, Liang Zhou, Zhihui Zhang, Ruihao Cheng   +5 more
doaj   +1 more source

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   +1 more source

Compatibility of Different Commercial Alloys in High-Temperature, Supercritical Carbon Dioxide. [PDF]

Materials (Basel), 2022
Zhang G, Jiang E, Liu W, Yang H, Wu Y, Huang Y.   +5 more
europepmc   +1 more source

Investigation on thermal-hydraulic performance of supercritical liquefied natural gas in the printed circuit heat exchanger [PDF]

The natural gas liquefaction industry plays a vital role in today's world economy and energy sector. This process converts natural gas into liquefied natural gas (LNG), significantly reducing its volume and making storage and transportation more ...
Tan, Siyuan
core