Study on Heat transfer and Pressure Drop in Tube-In-Tube Helical Heat Exchanger

被引：2

作者：

Reddy, N. Sreenivasalu ^{[1
,2
]}

Vishwanath, K. C. ^{[1
,2
]}

Satheesha, V ^{[1
,2
]}

Thejaraju, R. ^{[3
]}

Raj, Karthik N. ^{[1
,2
]}

Manoj, M. ^{[1
,2
]}

Goutham, H. ^{[1
,2
]}

Manjunatha, B. S. ^{[1
,2
]}

机构：

[1] Rajarajeswari Coll Engn, Dept Mech Engn, Bangalore 560074, Karnataka, India

[2] Visvesvaraya Technol Univ, Belagavi, Karnataka, India

[3] CHRIST Deemed Univ, Dept Mech & Automobile Engn, Bangalore 560074, Karnataka, India

来源：

JOURNAL OF APPLIED SCIENCE AND ENGINEERING | 2021年 / 24卷 / 04期

关键词：

Heat exchanger; Dean number; Nusselt number; Friction factor; WATER 2-PHASE FLOW; SINGLE; COIL; CFD;

D O I：

10.6180/jase.202108_24(4).0019

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present work aims to investigate the effect of different configurations of the tube-in-tube helically coiled heat exchanger. Commercial CFD codes were used to predict the fluid flow and heat transfer in a tube-in-tube helical heat exchanger. The model of different configurations of the inner tube has been simulated by varying the Dean number. The numerical results are verified and found to be in good agreement with reported data in the literature. Nusselt Number and friction factor are evaluated for different angular positions. The use of geometry E increases the Nusselt number and friction factor by 19.05% and 16% respectively at a Dean number of 4000 as compared with a circular tube as compared with the circular tube.

引用

页码：635 / 642

页数：8

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