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research-article

Experimental Performance Evaluation of Tubular Manifold Heat Exchanger

[+] Author and Article Information
Muhammad Ansab Ali

Department of Mechanical Engineering, Khalifa University of Science and Technology, Abu Dhabi UAE, Sas Al Nakhl Campus, PO Box 2533
muaali@pi.ac.ae

Tariq Khan

Department of Mechanical Engineering, Khalifa University of Science and Technology, Abu Dhabi UAE, Room 1-019B, Sas Al Nakhl Campus, PO Box 2533, ASME Member
tariq.saeedk@gmail.com

Ebrahim Al Hajri

Department of Mechanical Engineering, Khalifa University of Science and Technology, Abu Dhabi UAE, Room 3008A, Sas Al Nakhl Campus, PO Box 2533, ASME Member
ebrahim.alhajri@ku.ac.ae

Fadi Khasawneh

ADNOC, Abu Dhabi National Oil Company, Abu Dhabi UAE
fkhasawneh@adnoc.ae

1Corresponding author.

ASME doi:10.1115/1.4041346 History: Received May 17, 2018; Revised August 12, 2018

Abstract

The present work demonstrates the use of manifold microchannel technology in conjunction with conventional macro geometries to achieve superior performance compared to traditional heat exchangers. A novel tubular manifold heat exchanger is designed using 3D printed manifold and conventional double enhanced tube. The experiments are performed using water as the working fluid and the manifold side heat transfer coefficient up to 9538 Wm-2K-1 with a low flow rate of 4.25 lpm is achieved with as low pressure drop as 323 Pa. A comparison with respect to thermal hydraulic performance of the results with a plate heat exchanger shows clear advantage of the proposed exchanger. Overall, microscale heat transfer characteristics are obtained by using relatively simple and economical fabrication techniques.

Copyright (c) 2018 by ASME
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