# What's conjugate heat transfer?

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 March 15, 2005, 10:19 What's conjugate heat transfer? #1 Larva-nymph Guest   Posts: n/a Hi, I've searched the definition of conjugate heat transfer and cannot get it. What condition can we call it a conjugate heat transfer problem? Thanks.

 March 15, 2005, 12:17 Re: What's conjugate heat transfer? #2 Richard Guest   Posts: n/a A good starting point is when there is heat exchange between solid material(s) and fluid material(s).

 March 15, 2005, 14:38 Re: What's conjugate heat transfer? #3 Confused. Guest   Posts: n/a Why is that not simply called heat transfer?

 March 15, 2005, 14:58 Re: What's conjugate heat transfer? #4 Richard Guest   Posts: n/a Because "heat transfer" alone doesn't imply multiple materials. Conduction of heat from the hot end of an iron bar to the cold end, for example, is heat transfer but not conjugate heat transfer.

 March 15, 2005, 16:16 Re: What's conjugate heat transfer? #5 Harry Fulmer Guest   Posts: n/a Conjugate refers to the fact that both conduction and convection contribute to the transfer of heat.

 March 15, 2005, 17:48 Re: What's conjugate heat transfer? #6 Jonas Larsson Guest   Posts: n/a The term conjugate heat-transfer simulation is most often used to indicate that the simulation includes both the solid material and the fluid in and/or around the solid object. For example, if you do a conjugated heat-transfer analysis of a turbine blade you would do a large simulation which included a CFD simulation of the hot gas-channel flow passing by the blade coupled to a simultaneous heat-transfer simulation of the temperature in the metal of the blade (possibly also coupled to a second CFD simulation of any cooling flows inside the blade).

 March 16, 2005, 03:37 Re: What's conjugate heat transfer? #7 Larva-nymph Guest   Posts: n/a Thanks all of you for your responses. So conjugate heat transfer is for the phenominum of Solid+Air Convection.

 March 16, 2005, 08:27 Re: What's conjugate heat transfer? #8 Confused. Guest   Posts: n/a Thanks for that.

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