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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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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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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

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