Artificial repeated-rib roughness in a solar air heater - A review

被引：56
|
作者：
Chhaparwal, G. K. [1 ]
Srivastava, Ankur [1 ]
Dayal, Ram [2 ]
机构：
[1] Manipal Univ Jaipur, Jaipur, Rajasthan, India
[2] Malaviya Natl Inst Technol Jaipur, Jaipur, Rajasthan, India
来源：
SOLAR ENERGY | 2019年 / 194卷
关键词：
Solar air heater; Repeated-rib roughness; Heat transfer enhancement; FRICTION FACTOR CORRELATIONS; V-SHAPED RIB; THERMOHYDRAULIC PERFORMANCE ANALYSIS; COMPUTATIONAL FLUID-DYNAMICS; BROKEN ARC RIB; RECTANGULAR DUCT; ABSORBER PLATE; TRANSFER ENHANCEMENT; SURFACE-ROUGHNESS; NUSSELT NUMBER;
D O I：
10.1016/j.solener.2019.10.011
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This review presents the development in artificial repeated-rib roughness or simply rib-roughness on the absorber plate of a solar air heater. The rib-roughness are of mainly four types: transverse, inclined, arc-shape and V-shape ribs. A critical investigation is done on these ribs to outline the evolution in design and resulting performance enhancement. This review reports the similarities and anomalies in the results through in-depth discussions on more than forty variables that can affect the SAH performance. This study emphasizes on exploring physics involved in the heat transfer and fluid flow around these ribs. A detailed discussion on the recent trends in repeated-rib roughness in SAH has been presented while drawing attention to their historical background.
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页码：329 / 359
页数：31
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