Transient characteristics of combined conduction, convection and radiation heat transfer in porous radiant burners
محل انتشار: چهاردهمین کنفرانس سالانه مهندسی مکانیک
سال انتشار: 1385
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,746
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شناسه ملی سند علمی:
ISME14_504
تاریخ نمایه سازی: 1 فروردین 1386
چکیده مقاله:
This work has been carried out towards a low emission, high energy density combustion burner that does not operate with free flames. The entire combustion takes place in a porous matrix. A one dimensional model is used to solve the governing equations for porous medium and gas flow. Combustion in the porous medium is modeled as a spatially dependent heat generation zone. In order to analyze the transient thermal characteristics of porous burners, the coupled energy equations for the gas and porous medium based on two–flux radiation model are solved numerically and the effect of various factors on the performance of porous radiant burners are determined. Comparison between the present results with those obtained by other investigators shows a good agreement.
کلیدواژه ها:
نویسندگان
Lari
Graduate Student, Mech. Eng. Department, Shahid Bahonar University, Kerman, Iran
Gandjalikhan Nassab
Assistant Professor, Mech. Eng. Department, Shahid Bahonar University, Kerman, Iran