Heater problem
 

Hello People, I am new to ansys simulations i need help. I am trying to simulate a rectangular hollow box (made of aluminium)with a heater inside (heat gen rate 1w) fluid (air/water) flows from the box. i need to find out how the temperature in the box. Geometry attached.

There is no attachment.

The place to start learning CFX is the tutorials. Have you done these? Also there are additional tutorials on the ANSYS community website.