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When heat transfer coefficient is negative?

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August 16, 2007, 04:38	When heat transfer coefficient is negative?	#1
eve Guest Posts: n/a	hello I simmulation about double-flow solar air heater.And when i check HTC.It's negative.It was wrong or not?And if it wrong the solution is? Thank.

August 16, 2007, 08:12	Re: When heat transfer coefficient is negative?	#2
carno Guest Posts: n/a	HTC can not be negative. If the value is coming to be negative, means you have entered the temperature difference a negative value. Check the delta T

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