UGC Approved Journal no 63975(19)

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Published in:

Volume 5 Issue 8
August-2018
eISSN: 2349-5162

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

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Published Paper ID:
JETIRA006141


Registration ID:
186263

Page Number

799-807

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Title

COMPARISON OF MASS FLOW RATE WITH A CYLINDRICAL VERTICAL JET IMPINGEMENT HEAT TRANSFER ON FLAT PLATE

Abstract

Jet impingement heat transfer is widely used in many engineering applications including turbine blades, drying paper, textiles, food, chemicals, tempering of glass and polymer processing. This technique is very attractive and cost effective because it can increase heat flux significantly. Convective heat transfer by jet impingement is a prominent method of cooling. The present work is a comparison of mass flow rate with a cylindrical vertical jet which impinges on stationery flat plate. Experimental investigation and CFD simulation were performed to analyse the heat transfer performance of a hot fluid in a cylindrical impinging jet on a flat surface. The tests were realized for the following ranges of the governing parameters: the jet diameter was 12mm and the distance of vertical jet to horizontal plate surface were 6, 12, 18 and 24mm. Four different cases of H/D ratios i.e, 0.5, 1, 1.5 and 2 and Reynolds numbers ranging from 3.07 x 105 to 13.03 x 105 are considered in this analysis. Air is compared with CO2 gas. Experimental investigations are compared with CFD simulation. It is found that CFD simulation gives better results than experimental results. From results it is observed that heat flux at H/D=0.5 for both air and CO2 gives better value than H/D=1, 1.5 and 2. It is also found that heat flux using CFD for H/D=0.5 and Re= 13.03 x 105 of air (212106 W/m2) is better than H/D=0.5 and Re= 17.79 x 105 of CO2 (96995 W/m2). Finally it is found that there is a heat flux difference of 19.6% for air and 17.6% for CO2 between experimental and simulation values.

Key Words

CFD, H/D ratio, Flat plate, Heat flux, Jet Impingement

Cite This Article

"COMPARISON OF MASS FLOW RATE WITH A CYLINDRICAL VERTICAL JET IMPINGEMENT HEAT TRANSFER ON FLAT PLATE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 8, page no.799-807, August-2018, Available :http://www.jetir.org/papers/JETIRA006141.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

"COMPARISON OF MASS FLOW RATE WITH A CYLINDRICAL VERTICAL JET IMPINGEMENT HEAT TRANSFER ON FLAT PLATE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 8, page no. pp799-807, August-2018, Available at : http://www.jetir.org/papers/JETIRA006141.pdf

Publication Details

Published Paper ID: JETIRA006141
Registration ID: 186263
Published In: Volume 5 | Issue 8 | Year August-2018
DOI (Digital Object Identifier):
Page No: 799-807
Country: -, --, - .
Area: Engineering
ISSN Number: 2349-5162
Publisher: IJ Publication


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