.BuildingSystems.Technologies.DistrictHeatingNetworks.UndergroundPipes.BaseClasses.DHN_Umodels.UPreinsulated

Information

Main equations

U1 = (Rg+Ri)/((Rg+Ri)^2-Rm^2)

U2 = (Rm)/((Rg+Ri)^2-Rm^2)

Implementation

In case U1 > 4*U2, the value of U2 is set to 0. It means the interaction between pipes is negelcted.

References

On transient heat losses from buried district heating pipes, Bomm 2000.