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

• Published in: International journal of heat and mass transfer Vol. 183; p. 122211
• Main Authors: Yao, Yecheng, Ding, Jing, Zhang, Yuanyuan, Wang, Weilong, Lu, Jianfeng
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.02.2022; Elsevier BV
• Subjects: Bedding; Carbon dioxide; Downstream effects; Flat plates; Flow distribution; Flow pattern; Fluid flow; Friction factor; Heat exchangers; Heat transfer; Heat transfer coefficients; Heat transfer correlation; Heat transmission; Laminar flow; Molten salt; Molten salts; Pillow-plate heat exchanger; Plate heat exchangers; Scouring; Supercritical carbon dioxide; Thermal boundary layer; Upstream; Vortices; Heat transfer correlation; Flow pattern; Supercritical carbon dioxide; Pillow-plate heat exchanger; Molten salt

•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 regio...