Experimental investigation of heat transfer characteristics for a shell and tube heat exchanger

被引：0
|
作者：
Gugulothu R. [1 ]
Sanke N. [1 ]
机构：
[1] Department of Mechanical Engineering, University College of Engineering, Osmania University, Hyderabad
来源：
Energy Harvesting and Systems | 2024年 / 11卷 / 01期
关键词：
heat exchanger; nanofluids; shell; tube heat exchanger;
D O I：
10.1515/ehs-2022-0147
中图分类号：
学科分类号：
摘要：
In the present work, numerical investigations are conducted with 22 % cut segmental baffle heat exchanger (SB), 20°, 30°, and 40° helical baffles shell and tube heat exchangers (STHX) to estimate the overall heat transfer coefficient (OHTC), pressure drop (PD) and friction factor. Among the studied heat exchangers (HE), 40° helical baffles STHX provided the highest OHTC with minimum pressure drop. Hence, further investigations are conducted experimentally with 40° helical baffles STHX. OHTC increased by 2.65 % for 20° helical baffles, 5.37 % for 30° helical baffles, 9.78 % for 40° helical baffles when compared with 22 % cut segmental baffle heat exchanger. The deviation between experimental and numerical OHTC is 2.64 % 40° helical baffles. © 2024 the author(s), published by De Gruyter.
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