Modeling of Radiation Heat Transfer in Liquid Rocket Engines
Modeling of Radiation Heat Transfer in Liquid Rocket Engines
Modeling of Radiation Heat Transfer in Liquid Rocket Engines
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Absorption Coefficient <strong>of</strong> SootWhen eng<strong>in</strong>es runn<strong>in</strong>g with rich hydrocarbon fuels soot is present<strong>in</strong> the combustion gases.As <strong>of</strong> today little is known about the nature <strong>of</strong> the production,Destruction, shape and size distribution. An approximate value<strong>of</strong> soot absorption coefficient can be obta<strong>in</strong>ed via:k = 3.72f C T / Ca v 0 2CWhere f v is volume fraction <strong>of</strong> soot0=( n2−k236+π2)nk2+ 4nC 2 =1.4388 cm K, n and k are real and imag<strong>in</strong>ary part <strong>of</strong> <strong>in</strong>dex <strong>of</strong>refraction2k2
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