slinky design and analysis using comsol software

Slinky loop GHE design

1. Depth = 1.5 m Soil: Assume soli thermal conductivity: 1.5 W/( m·K ) Trench length (Lt) = 3.2 meters Pipe diameter = 1 inch Number of rings - 4 Ring diameter(d) - 0.8 m Pipe Material = HDPE Fluid Medium = water Inlet: flow rate: 5 l/m to 20 l/m. Heat: 2.5 kw to 3 KW Outlet: gauge pressure