Tutorials

1 0 Intermediate
Multi Layer Coil is a tube designed to transfer heat effectively in heat exchanger or other devices. Also I have calculation to prove that this is effective than ordinary single coil for same lengths. Model can be downloaded https://grabcad.com/library/multi-layer-coil-heat-exchanger-1. Native formats are also available.

1 0 Intermediate
I'll add photos to GrabCAD later.