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Please use this identifier to cite or link to this item: http://dspace.unimap.edu.my:80/xmlui/handle/123456789/20427

Title: A computational simulation of heat transfer to separation air flow in a concentric pipe
Authors: C. S., Oon
Hussein, Togun
Kazi, Md. Salim Newaz, Dr.
Ahmad Badarudin, Mohamad Badry, Dr.
Mohd Nashrul, Mohd Zubir
???metadata.dc.contributor.url???: oonsean2280@siswa.um.edu.my
Keywords: Backward facing steps;Annular pipe flow;Heat exchanger;Numerical simulation
Issue Date: 27-Feb-2012
Publisher: Universiti Malaysia Perlis (UniMAP)
???metadata.dc.publisher.department???: Pusat Pengajian Kejuruteraan Mekatronik
Series/Report no.: Proceedings of the International Conference on Applications and Design in Mechanical Engineering 2012 (ICADME 2012)
Abstract: Separation and reattachment of air flow through a sudden expansion in an annular passage is investigated. Backward facing steps play a vital role in the design of many heat related applications where heat transfer is concerned. In the present work, numerical simulation is performed using computer fluid dynamics package (Fluent) to study the effect of step flow in an annular passage. The obtained results are compared with the preliminary experimental findings. The flowing fluid was heated uniformly from the beginning of the expansion. Constant heat flux approach was considered for the heat transfer investigation. Annular pipe flow system having step ratio of d/D = 1.8 was considered where d and D representing the diameter of the pipe before and after expansion. Numerical simulation reviews that the reattachment point extends further with the increase of velocity for different occasions. Finally, the local Nusselt number (Nu) increases with the increase of Reynolds number (Re).
Description: International Conference on Applications and Design in Mechanical Engineering 2012 (ICADME 2012) organized by School of Mechatronic Engineering, Universiti Malaysia Perlis (UniMAP), 27th - 28th Februari 2012 at Bayview Beach Resort, Penang, Malaysia.
URI: http://hdl.handle.net/123456789/20427
Appears in Collections:Conference Papers

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