Solar loading problem

Dr.Brt · April 4, 2019, 14:57

hi guys
i want to simulate a straight pipe that heated with solar radiation. i use
1- radiation model --solar load -- solar ray tracing-- and solar calculator
2- my BC is A- V.inlet B- Pressure Outlet C- outer wall for solar absorbing
after simulation temperature of fluid did not change!!!!!!
What is the problem?

LuckyTran · April 4, 2019, 15:10

Try putting a heat flux or fixed temperature boundary condition on your wall to see if anything happens.

Dr.Brt · April 4, 2019, 15:23

i try it and all items be true.
but i do not know whats the mater in radiation model

April 4, 2019, 14:57	Solar loading problem	#1
Dr.Brt New Member Join Date: Apr 2019 Posts: 2 Rep Power: 0	hi guys i want to simulate a straight pipe that heated with solar radiation. i use 1- radiation model --solar load -- solar ray tracing-- and solar calculator 2- my BC is A- V.inlet B- Pressure Outlet C- outer wall for solar absorbing after simulation temperature of fluid did not change!!!!!! What is the problem?

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April 4, 2019, 15:10		#2
LuckyTran Senior Member Lucky Join Date: Apr 2011 Location: Orlando, FL USA Posts: 5,674 Rep Power: 65	Try putting a heat flux or fixed temperature boundary condition on your wall to see if anything happens.

April 4, 2019, 15:23		#3
Dr.Brt New Member Join Date: Apr 2019 Posts: 2 Rep Power: 0	i try it and all items be true. but i do not know whats the mater in radiation model