Numerical and experimental study of a shell and tube heat exchanger for different baffles

被引：5
|
作者：
Kaleru, Aparna [1 ]
Venkatesh, Sriram [1 ]
Kumar, Narasimha [2 ]
机构：
[1] Univ Coll Engn, Osmania Univ, Dept Mech Engn, Hyderabad, India
[2] Chaitanya Bharathi Inst Technol, Dept Mech Engn, Hyderabad, India
来源：
HEAT TRANSFER | 2023年 / 52卷 / 03期
关键词：
baffle cuts; heat exchanger; helical baffles; nanofluids; performance evaluation criterion; PRESSURE-DROP; PERFORMANCE; SIDE; FLOW; LEAKAGE; ENHANCEMENT;
D O I：
10.1002/htj.22780
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In the present work, the shell and tube heat exchanger (STHX) is designed based on The Tubular Exchanger Manufacturers Association standards with hot fluid (water) flowing on the shell side and cold fluid on the tube side. A comparison is made between the Nusselt number and friction factor obtained from numerical and experimental results of segmental baffles (SBs) and helical baffles (HB) with different baffle inclinations. The results show that SB provided a higher Colburn factor (j(s)) when compared with HBs STHXs (20 degrees, 30 degrees, 40 degrees, and 50 degrees), but shell side pressure drop is lower for 40 degrees HBs STHXs for the same shell side fluid flow rates.
引用
收藏
页码：2186 / 2206
页数：21
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