Effect of nozzle angle on jet impingement cooling system

Cooling system using jet impingement is already widely used in industries nowadays. There were various approaches that have been investigated in order to produce more efficient jet impingement cooling system. This thesis is study about the effect of the nozzle angle on jet impingement in order to id...

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Main Author:	Khaider, Abu Bakar
Format:	Undergraduates Project Papers
Language:	English English English English English
Published:	2009
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/1054/ http://umpir.ump.edu.my/id/eprint/1054/1/Khaider_Abu_Bakar.pdf http://umpir.ump.edu.my/id/eprint/1054/4/Effect%20of%20nozzle%20angle%20on%20jet%20impingement%20cooling%20system%20-%20references.pdf http://umpir.ump.edu.my/id/eprint/1054/5/Effect%20of%20nozzle%20angle%20on%20jet%20impingement%20cooling%20system%20-%20table%20of%20content.pdf http://umpir.ump.edu.my/id/eprint/1054/6/Effect%20of%20nozzle%20angle%20on%20jet%20impingement%20cooling%20system%20-%20chapter%201.pdf http://umpir.ump.edu.my/id/eprint/1054/26/Design%20and%20analysis%20light%20weight%20lift%20system%20for%20disable%20people%20-%20abstract.pdf

id	ump-1054
recordtype	eprints
spelling	ump-10542017-03-08T01:29:21Z http://umpir.ump.edu.my/id/eprint/1054/ Effect of nozzle angle on jet impingement cooling system Khaider, Abu Bakar TJ Mechanical engineering and machinery Cooling system using jet impingement is already widely used in industries nowadays. There were various approaches that have been investigated in order to produce more efficient jet impingement cooling system. This thesis is study about the effect of the nozzle angle on jet impingement in order to identify the relationship in heat transfer. Besides, investigation on spacing distance between nozzle’s edge to the impingement surface and Reynolds number at certain angle also identified in this study. Those studies are needed parallel to the current researchers endeavor for future development of cooling system in global industries. The experiment were perform by vary 3 major parameters such as angle of the nozzle (30⁰, 45⁰, 60⁰, and 90⁰), distance between nozzle’s edge to the impinge surface (H/d= 2, 4, 6, and 8) and also Reynolds number (Re= 2300, 1960,930 and 500).The heat source are heated at 100 ⁰C and cooled down by the flow of air from the nozzle. The heat source temperature after cooling are measured and collected. The result discovers about the relationship nozzle angle for jet impingement cooling system which is heat transfer are more efficient when the angle of nozzle approaching to the normal line as the Nusselt Number are more higher at 90⁰ in range 31.5 w/m2K of heat transfer coefficient compare to the lower angles of the nozzle. Furthermore, higher Reynolds number and close range of distance between nozzle’s edges to impingement surface will also gives high Nusselt number which means both also effective cooling effects for the systems. 2009-11 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/1054/1/Khaider_Abu_Bakar.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/1054/4/Effect%20of%20nozzle%20angle%20on%20jet%20impingement%20cooling%20system%20-%20references.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/1054/5/Effect%20of%20nozzle%20angle%20on%20jet%20impingement%20cooling%20system%20-%20table%20of%20content.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/1054/6/Effect%20of%20nozzle%20angle%20on%20jet%20impingement%20cooling%20system%20-%20chapter%201.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/1054/26/Design%20and%20analysis%20light%20weight%20lift%20system%20for%20disable%20people%20-%20abstract.pdf Khaider, Abu Bakar (2009) Effect of nozzle angle on jet impingement cooling system. Faculty of Mechanical Engineering, Universiti Malaysia Pahang.
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English English English English English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Khaider, Abu Bakar Effect of nozzle angle on jet impingement cooling system
description	Cooling system using jet impingement is already widely used in industries nowadays. There were various approaches that have been investigated in order to produce more efficient jet impingement cooling system. This thesis is study about the effect of the nozzle angle on jet impingement in order to identify the relationship in heat transfer. Besides, investigation on spacing distance between nozzle’s edge to the impingement surface and Reynolds number at certain angle also identified in this study. Those studies are needed parallel to the current researchers endeavor for future development of cooling system in global industries. The experiment were perform by vary 3 major parameters such as angle of the nozzle (30⁰, 45⁰, 60⁰, and 90⁰), distance between nozzle’s edge to the impinge surface (H/d= 2, 4, 6, and 8) and also Reynolds number (Re= 2300, 1960,930 and 500).The heat source are heated at 100 ⁰C and cooled down by the flow of air from the nozzle. The heat source temperature after cooling are measured and collected. The result discovers about the relationship nozzle angle for jet impingement cooling system which is heat transfer are more efficient when the angle of nozzle approaching to the normal line as the Nusselt Number are more higher at 90⁰ in range 31.5 w/m2K of heat transfer coefficient compare to the lower angles of the nozzle. Furthermore, higher Reynolds number and close range of distance between nozzle’s edges to impingement surface will also gives high Nusselt number which means both also effective cooling effects for the systems.
format	Undergraduates Project Papers
author	Khaider, Abu Bakar
author_facet	Khaider, Abu Bakar
author_sort	Khaider, Abu Bakar
title	Effect of nozzle angle on jet impingement cooling system
title_short	Effect of nozzle angle on jet impingement cooling system
title_full	Effect of nozzle angle on jet impingement cooling system
title_fullStr	Effect of nozzle angle on jet impingement cooling system
title_full_unstemmed	Effect of nozzle angle on jet impingement cooling system
title_sort	effect of nozzle angle on jet impingement cooling system
publishDate	2009
url	http://umpir.ump.edu.my/id/eprint/1054/ http://umpir.ump.edu.my/id/eprint/1054/1/Khaider_Abu_Bakar.pdf http://umpir.ump.edu.my/id/eprint/1054/4/Effect%20of%20nozzle%20angle%20on%20jet%20impingement%20cooling%20system%20-%20references.pdf http://umpir.ump.edu.my/id/eprint/1054/5/Effect%20of%20nozzle%20angle%20on%20jet%20impingement%20cooling%20system%20-%20table%20of%20content.pdf http://umpir.ump.edu.my/id/eprint/1054/6/Effect%20of%20nozzle%20angle%20on%20jet%20impingement%20cooling%20system%20-%20chapter%201.pdf http://umpir.ump.edu.my/id/eprint/1054/26/Design%20and%20analysis%20light%20weight%20lift%20system%20for%20disable%20people%20-%20abstract.pdf
first_indexed	2023-09-18T21:53:51Z
last_indexed	2023-09-18T21:53:51Z
_version_	1777413948063088640

Effect of nozzle angle on jet impingement cooling system

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