Document Details

Document Type : Article In Journal 
Document Title :
Accurate Three-Term Approximation of the Angular Distribution of the Radiation Intensity
علاقة تقريبية دقيقة ذات ثلاثة حدود لإيجاد توزيع شدة الإشعاع الزاوي
 
Subject : Original Works 
Document Language : English 
Abstract : A very accurate approximation for the exponential integral E2(k) was achieved by approximating the thermal radiation intensity by the first six terms of Legendre polynomial. The six constants in the three term expression for through algebraic manipulations were found. Unlike curve fitting approximations for E2( k ), the present three-term approximation gives accurate values for all optical thicknesses. For the sake of testing the new developed approximation, radiative equilibrium for planar participating gray media is considered. The radiative heat flux and the temperature distribution are compared with P-1 and P-3 method results. Using the developed approximation for attacking radiative heat transfer in nongray medium is illustrated. 
ISSN : 1319-1047 
Journal Name : Engineering Sciences Journal 
Volume : 7 
Issue Number : 1 
Publishing Year : 1415 AH
1995 AD 
Number Of Pages : 11 
Article Type : Article 
Added Date : Sunday, October 11, 2009 

Researchers

Researcher Name (Arabic)Researcher Name (English)Researcher TypeDr GradeEmail
عمر محمد علي شتيان الرابغيOMAR M. ALI AL-RABGHIResearcher  

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