Investigation of curvature effects on heat transfer in helical shell and tube heat exchangers

Flow resistance and heat transfer helical shell-and-tube heat exchanger are numerically studied andcompared with a tubular heat exchanger. The simulation is carried out by COMSOL Multiphysics 5.2. theresults show that existing the helix creates the circulation zones which increases the pressure drop and heattransfer coefficient.

Keywords:

Shell and tube heat exchangers , helical exchangers , heat transfer coefficient