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Journal of Porous Media
IF: 1.752 5-Year IF: 1.487 SJR: 0.43 SNIP: 0.762 CiteScore™: 2.3

ISSN Print: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v13.i7.70
pages 655-669

3-D NUMERICAL MODELING AND EXPERIMENTAL INVESTIGATION OF A PARTIAL PREMIX-TYPE POROUS MEDIUM BURNER USING LIQUEFIED PETROLEUM GAS FUEL

R. M. N. Muhad
1School of Mechanical Engineering, Engineering Campus, Universiti Sains Malaysia, Malaysia
M. Z. Abdullah
Porous Media Combustion Laboratory, School of Mechanical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia
Abdulmajeed A. Mohamad
Department of Mechanical and Manufacturing Engineering, Schulich School of Engineering, CEERE, University of Calgary, 2500 University Drive NW, Calgary, Alberta, Canada T2N 1N4
M. Abdul Mujeebu
College of Architecture and Planning Imam Abdulrahman Bin Faisal University PB No. 2397 31451 Dammam Kingdom of Saudi Arabia
M. Z. Abu Bakar
School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia
R. Zakaria
School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia

ABSTRACT

This article deals with the numerical modeling, development, and performance testing of a novel partial premix-type burner with a discrete porous medium using liquefied petroleum gas as fuel. The porous structure is made up of solid Al2O3 spheres. The simulation is carried out with sphere sizes of 20 and 30 mm and with different layers of porous medium. The main objective of the study is to analyze the temperature distribution and emission characteristics of the porous medium burner compared with the conventional free flame combustion. Three-dimensional steady state combustion simulation is performed by FLUENT 6.2.16 and GAMBIT 2.2.30. The eddy dissipation model is employed for combustion, and the flow turbulence is simulated using the standard k-" model with standard wall function. The results show that the burner has good combustion efficiency and significantly lower NOx and CO emissions compared to the conventional combustor. A test rig is fabricated and experiments are performed to validate the simulation results and are found to be in good agreement.


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