Heat transfer performance of pillow plate heat exchanger with molten salt and supercritical carbon dioxide

Yecheng Yao,Jing Ding,Yuanyuan Zhang,Weilong Wang,Jianfeng Lu

International Journal of Heat and Mass Transfer（2022）

引用 11|浏览5

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摘要

•PPHE with staggered convex spots and concave spots is proposed for MS and SCO2.•Flow pattern and heat transfer coefficient periodically vary with periodical spots.•Heat transfer is enhanced in downstream region of convex spot for scouring effect.•Heat transfer coefficient is lower in upstream region of convex spot for vortices.•Flow and heat transfer correlations are developed with different geometries.

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关键词

Pillow-plate heat exchanger,Heat transfer correlation,Molten salt,Supercritical carbon dioxide,Flow pattern

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