[alwan_hb]

I'm doing a cooling simulation of an electric motor that uses a water cooling system. but it seems there is a problem between solid to fluid domain interactions. where when heat flux is applied to the solid domain and propagates to the fluid domain, the results are invalid. but when my inter-domain connection is broken and heat flux is applied to the fluid domain, the result becomes valid
Does anyone know how to maximize heat transfer between solid and fluid domains so that the Nusselt number results are valid?