Thermal simulation in a valve

Hello

I have a fluid A at 5°C loaded into a pipe. This fluid is at a standstill. It has a coagulation T°C of about 50°C.

This fluid passes through a valve in the high track.

On the lower track, this valve is crossed by a fluid B at 90°C.

I would like to determine how long it will take for the side of the valve (which isolates the upper and lower channels) that is in contact with fluid A to reach the coagulation T°C of fluid A. The aim is to avoid the cooking of the latter and to recommend a maximum tps of circulation of fluid B.

Is this simulation feasible with FLOW SIMULATION? 

Tips for simulating it?

Thank you.

Hello

 

Normally it is possible to carry out this simulation because FLOW SIMULATIOn does the heat transfer.

After that, I don't know the module too much so I don't have an idea to simulate it:(