Incompressible viscous heating -- CFD Online Discussion Forums

June 7, 2008, 15:33	Hello, today I obtained ident	#1
kar Senior Member KÄrlis Repsons Join Date: Mar 2009 Location: Latvia Posts: 111 Rep Power: 17	Hello, today I obtained identity of heat source caused by fluid friction for incompressible fluid, but I am not sure, if it is correct. Here it goes (W / m^3 ): q == div( mu U & ( grad(U) + grad(U)^T ) ) == grad(U) && ( grad( mu U ) + (grad( mu U ))^T ) + mu U & ( div( grad(U) ) )^T Please check this, KÄrlis

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