Heat transfer characteristics of sinusoidal wavy channel with secondary corrugations

被引：34
|
作者：
Harikrishnan, S. [1 ]
Tiwari, Shaligram [1 ]
机构：
[1] Indian Inst Technol Madras, Dept Mech Engn, Chennai 600036, Tamil Nadu, India
来源：
INTERNATIONAL JOURNAL OF THERMAL SCIENCES | 2019年 / 145卷
关键词：
Sinusoidal wavy channel; Secondary corrugation; Flow and heat transfer characteristics; Field synergy principle; Secondary flow intensity; EXCHANGER PRIMARY SURFACES; TRANSFER ENHANCEMENT; PRESSURE-DROP; THERMOHYDRAULIC PERFORMANCE; REYNOLDS-NUMBER; ASPECT RATIO; FLOW; SIMULATION; CONVECTION; PRINCIPLE;
D O I：
10.1016/j.ijthermalsci.2019.105973
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Present study deals with three-dimensional numerical investigations on flow and heat transfer characteristics of sinusoidal wavy channel with secondary corrugations. Computations are carried out by using commercial software ANSYS Fluent 17.2 by considering different wave amplitudes and number of waves in streamwise as well as spanwise directions for fixed width and height of the channel. Flow and heat transfer characteristics of secondary corrugated channels are compared with channels having spanwise and streamwise corrugations alone. Flow characteristics are explained with the help of streamline plots. Volume weighted-average values of secondary flow intensity have been shown to demonstrate the strength of secondary flow generated in different corrugated channels. Effect of secondary flow on heat transfer characteristics has been explained with the help of field synergy principle.
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页数：15
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