UGC Approved Journal no 63975

ISSN: 2349-5162 | ESTD Year : 2014
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Published in:

Volume 1 Issue 7
January-2015
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIR1407073


Registration ID:
140442

Page Number

963-969

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Title

EXPERIMENTAL INVESTIGATION OF HEAT TRANSFER PERFORMANCE OF MATRIX COIL WIRE INSERTS USING CFD

Abstract

The present experimental work is carried out with copper and stainless steel Matrix coil wire inserts 1mm wire diameter and of different density. Dense, medium, fine density 8, 10,12 no’s of wire matrix turns per 10 mm pitch. The inserts when placed in the path of the flow of the fluid, create a high degree of turbulence resulting in an increase in the heat transfer rate and the pressure drop. The work includes the determination of friction factor and Nusselt number for various Matrix coil wire inserts with varying density & different materials. The Reynolds number is varied from 5000 to 13000. Correlations for Nusselt number and friction factor are developed for the Matrix coil wire inserts from the obtained results. The results of varying density with two materials have been compared with the values for the smooth tube. The copper insert with high density (12 nos of wire matrix turns per 10 mm pitch) shows increase in Nusselt number values by 135% & in friction factor by 100% as compared to the smooth tube values. The Stainless steel insert with high density (12 nos of wire matrix turns per 10 mm pitch) is showing increase in Nusselt number values by 101% and increase in friction factor by 175% as compared to the smooth tube values. When the above two material inserts are compared then the copper is having 41% higher enhancement efficiency as compared to the aluminium, hence comparing all the inserts the copper is having high heat transfer enhancement for same Reynolds number. The experimental results of heat transfer in circular tube equipped with the different inserts is studied using a MATLAB program and used to predict the output functions by designing a program. The inputs to the program is Reynolds No, Temperatures and the output of the system is Nusselt number & friction factor.

Key Words

Enhancement efficiency, heat transfer, wavy twisted tape inserts, twist ratio, pressure drop

Cite This Article

"EXPERIMENTAL INVESTIGATION OF HEAT TRANSFER PERFORMANCE OF MATRIX COIL WIRE INSERTS USING CFD", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.1, Issue 7, page no.963-969, December-2014, Available :http://www.jetir.org/papers/JETIR1407073.pdf

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2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"EXPERIMENTAL INVESTIGATION OF HEAT TRANSFER PERFORMANCE OF MATRIX COIL WIRE INSERTS USING CFD", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.1, Issue 7, page no. pp963-969, December-2014, Available at : http://www.jetir.org/papers/JETIR1407073.pdf

Publication Details

Published Paper ID: JETIR1407073
Registration ID: 140442
Published In: Volume 1 | Issue 7 | Year January-2015
DOI (Digital Object Identifier):
Page No: 963-969
Country: Dist :- Pune, Maharashtra, India .
Area: Engineering
ISSN Number: 2349-5162
Publisher: IJ Publication


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