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Experimental Study of a Concentric Tube Heat Exchanger with Helical Baffle Using CFD

Jithendra Sai Raja Chada
Department of Mechanical Engineering, Pragati Engineering College, Surampalem, Kakinada 533001, India

Akhil Yuvaraj Manda
Department of Mechanical Engineering, Pragati Engineering College, Surampalem, Kakinada 533001, India

Venkat Sandeep Gadi
Department of Mechanical Engineering, Pragati Engineering College, Surampalem, Kakinada 533001, India

Dharmalingam R
Department of Mechanical Engineering, Pragati Engineering College, Surampalem, Kakinada 533001, India


DOI: https://doi.org/10.52542/tjdu.1.1.32-38

Keywords: Heat Exchanger, Baffle, Helical Structure, Concentric Tubes, Effectiveness

Abstract

Heat exchangers are the most common equipment used to transfer heat from high-temperature fluid to low-temperature fluid without direct contact. The present study considers the analytical approach on a concentric tube heat exchanger with the helical baffle. The objective of the study is to reduce the size with effect to increase the effectiveness of the heat exchanger. A heat exchanger with 100 mm external diameter and 560 mm length contains a helical baffle with 20 degrees inclination. The designed heat exchanger is analysed by varying the mass flow rate of hot water from 0.25 Kg/s to 2 Kg/s at an interval of 0.25 kg/s at three different temperatures i.e. 363.16 K, 368.16 K, 373.16 K. A nanofluid is applied to cool the hot water without any loss. The mass flow rate of cold fluid is 2 Kg/s at 30 degrees Celsius. The results have displayed that the heat exchanger exhibited appreciable effectiveness at a flow rate of 0.25 Kg/s for hot water at 373.16 K temperature. There by suggesting it as the optimum model of the heat exchanger.



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Published
2021-04-14

How to Cite
Jithendra Sai Raja Chada, Akhil Yuvaraj Manda, Venkat Sandeep Gadi, Dharmalingam R., “Experimental study of a concentric tube heat exchanger with helical baffle using CFD”, Technical Journal of Daukeyev University, Vol. 1, Issue 1, 2021, pp. 32-38.

Issue
Volume 1, Issue 1 (2021)

Section
Article

Copyright © 2021 Jithendra Sai Raja Chada, Akhil Yuvaraj Manda, Venkat Sandeep Gadi, Dharmalingam R.

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