[TRNSYS-users] Type 557 manual techincal description

Tue Mar 17 08:11:06 PDT 2009

Dear trnsys-users,

I am trying to simulate a thermal response test of a borehole heat exchanger
using type 557. Does anyone know if it is available a new technical
description of that type besides the one written by Hellstrom "Duct Ground
Heat Storage Model", march 1989? 

Thank you very much in advance,

Tiziano Terlizzese

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