Hi,
I just forget how to do this.
I am creating a spreadsheet to perform a cost tradeoff between insulation thickness, the costs of install, and the costs of energy loss. The canned programs cannot have our installation costs put into them easily, so I am working in Excel.
I know...
Sorry, I do not have my notes handy after a recent move. I need the formula for generating interface and cold face temperatures of a refractory wall from hot face, ambient and layer thermal conductivity data.
Also, any input on applying it to pipes, where the surface is no longer flat will...
