

1993 ASHRAE Handbook-Fundamentals. American Society
of Heating, Refrigerating, and Air-Conditioning Engineers, Atlanta, p.
33.5, 1993.
Adapted from Kavanaugh, S.P. and Rafferty, K. Ground-Source
Heat Pumps, Design of Geothermal Systems for Commercial and Institutional
Buildings, ASHRAE, Atlanta, p. 58, 1997.