field synergy
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Zhiqing Zhang ◽  
Jiedong Ye ◽  
Junshuai Lv ◽  
Wubin Xu ◽  
Dongli Tan ◽  

Energy ◽  
2021 ◽  
pp. 122701
Xinning Zhu ◽  
Qingsong Zuo ◽  
Yuanyou Tan ◽  
Yong Xie ◽  
Zhuang Shen ◽  

2021 ◽  
Yongteng Jing ◽  
Jinglin Cao ◽  
Yan Li ◽  
Dongxue Li ◽  
Qiang Ma

2021 ◽  
Vol 2021 ◽  
pp. 1-22
Yu Chen ◽  
Zhuoxiong Zeng ◽  
Haoyuan Wang

To obtain the advanced vortex combustor (AVC) and its optimal structure parameters in light of built-in obstacles, numerical simulation was performed. This research shows that inclined struts have optimal structural parameters with inclination angle α = 30 ° and blocking ratio BR = 12 %, while guide vane and its optimal structural parameter have three layers, which are a / B = 0.1 , b / h = 0.4 , and c / L = 0.2 , respectively; blunt body has the biggest height of H 1 / B 1 = 2 / 3 . According to these statistics, the research studies how inlet factors affect turbulence flow in combustion. The research finds increases in inlet velocity and flow resistance are in positive correlation. As inlet temperature increases, the flow resistance decreases. From field synergy theory, inlet factor has different effect on the heat transfer performance.

2021 ◽  
Ping Huang ◽  
Wei Huang ◽  
Xiajun Lin ◽  
Chi-Min Shu

Abstract To optimize the heat transfer performance of heat exchangers, this study explored the flow properties and heat transfer of cosine-wave-shaped runners with different structural parameters (wave amplitude, focal distance, and circle radius). The effects of the changes in these structural parameters on the flow and temperature fields of specially shaped channels were analyzed. The partial synergy angles of cosine runners were obtained using user-defined programs in CFD software. The synergy of the entire channel was evaluated using the average field synergy angle as an evaluation index. This study investigated the problem of distribution nonuniformity of the temperature differences during the medium flowing process to provide a theoretical foundation and guidelines for optimally designing the structural parameters of specially shaped channels.

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