Simple Ansys temperature distribution analysis

I am working on thermoacoustic engine model. The main part of the engine is called the stack which is a type of a heat exchanger. The spiral solid works file is attached. The stack is heated experimentally by inserting a nichrome wire through the grooves that are present in the 3D model heating that surface of the stack while the other surface remains cold. A numerical model is needed for this product and a constant temperature should be assigned to the grooves while room temperature is assigned to the opposite surface. Temperature distribution on the heat surface is needed and temperature gradient from hot to cold is also needed. More details can be discussed later.