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An experimental study of turbulent heat transfer separation external in an annular passage

Organized by School of Mechatronic Engineering (UniMAP) & co-organized by The Institution of Engineering Malaysia (IEM), 11th - 13th October 2009 at Batu Feringhi, Penang, Malaysia.

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Bibliographic Details
Main Authors:	Hussein, Togun, Hakim, S. Sultan, Irfan Anjum, Kazi, S.N.
Format:	Working Paper
Language:	English
Published:	Universiti Malaysia Perlis 2009
Subjects:	Heat transfer Separation external Annular Passage Air flow Heat > Transmission Pressurized water reactors > Cooling Tubes > Fluid dynamics Turbulence
Online Access:	http://dspace.unimap.edu.my/xmlui/handle/123456789/7183
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id	my.unimap-7183
record_format	dspace
spelling	my.unimap-71832009-11-17T07:06:58Z An experimental study of turbulent heat transfer separation external in an annular passage Hussein, Togun Hakim, S. Sultan Irfan Anjum Kazi, S.N. Heat transfer Separation external Annular Passage Air flow Heat -- Transmission Pressurized water reactors -- Cooling Tubes -- Fluid dynamics Turbulence Organized by School of Mechatronic Engineering (UniMAP) & co-organized by The Institution of Engineering Malaysia (IEM), 11th - 13th October 2009 at Batu Feringhi, Penang, Malaysia. Experimental investigation was carried out to study the effect of step height on the heat transfer process to a radially expanded outward air flow in a concentric annular passage. The separation, reattached and redeveloped air flow occurs in a test section subjection outer tube only to a constant heat flux boundary condition . The experimental investigation conducted to investigate the effect of separation intensity on the local and average convection heat transfer The experimental setup having a concentric tube an annular passage with a sudden reduction in passage cross section created by the variation of outer tube diameter of the annular entrance section (D) that will change the separation intensity as the result of changing the step height prior to test section heated surface. For all cases , the results show an increase in the local heat transfer coefficient values as the heat flux and Reynolds number increases. The effect of step variation is clear in the separation region on the heat transfer process increases as the step height increases and it shows a little effect on the redevelopment region . In separation region , the local heat transfer coefficient increases until reaches maximum value at reattachment point and then decreases gradually in the redevelopment region . The point of reattached point along the heated surface is more effect with step height and shows very little effect with Re number. The results has been correlated and compared with pure force convection in a concentric annular passage and result shows an improvement to 18% within the step height been tested (Smax = 18.5 mm) comparison with the pervious work shows a good agreement and with the trends. 2009-11-05T03:44:42Z 2009-11-05T03:44:42Z 2009-10-11 Working Paper p.3E 1 - 3E 5 978-967-5415-07-4 http://hdl.handle.net/123456789/7183 en Proceedings of International Conference on Applications and Design in Mechanical Engineering 2009 (iCADME 2009) Universiti Malaysia Perlis
institution	Universiti Malaysia Perlis
building	UniMAP Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaysia Perlis
content_source	UniMAP Library Digital Repository
url_provider	http://dspace.unimap.edu.my/
language	English
topic	Heat transfer Separation external Annular Passage Air flow Heat -- Transmission Pressurized water reactors -- Cooling Tubes -- Fluid dynamics Turbulence
spellingShingle	Heat transfer Separation external Annular Passage Air flow Heat -- Transmission Pressurized water reactors -- Cooling Tubes -- Fluid dynamics Turbulence Hussein, Togun Hakim, S. Sultan Irfan Anjum Kazi, S.N. An experimental study of turbulent heat transfer separation external in an annular passage
description	Organized by School of Mechatronic Engineering (UniMAP) & co-organized by The Institution of Engineering Malaysia (IEM), 11th - 13th October 2009 at Batu Feringhi, Penang, Malaysia.
format	Working Paper
author	Hussein, Togun Hakim, S. Sultan Irfan Anjum Kazi, S.N.
author_facet	Hussein, Togun Hakim, S. Sultan Irfan Anjum Kazi, S.N.
author_sort	Hussein, Togun
title	An experimental study of turbulent heat transfer separation external in an annular passage
title_short	An experimental study of turbulent heat transfer separation external in an annular passage
title_full	An experimental study of turbulent heat transfer separation external in an annular passage
title_fullStr	An experimental study of turbulent heat transfer separation external in an annular passage
title_full_unstemmed	An experimental study of turbulent heat transfer separation external in an annular passage
title_sort	experimental study of turbulent heat transfer separation external in an annular passage
publisher	Universiti Malaysia Perlis
publishDate	2009
url	http://dspace.unimap.edu.my/xmlui/handle/123456789/7183
_version_	1643788730787430400
score	13.222552

An experimental study of turbulent heat transfer separation external in an annular passage

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