Title : 
Residential heat pump experiments in Philadelphia ¿ Earth as a heat source
         
        
            Author : 
Kidder, A. H. ; Neher, J. H.
         
        
            Author_Institution : 
Philadelphia Electric Company, Philadelphia, Pa.
         
        
        
        
        
        
        
            Abstract : 
This paper summarizes ground coil performance during two heating seasons at Whitemarsh and Lansdowne. There are also derived certain approximate relationships which should be useful for designing ground coils for other situations.
         
        
            Keywords : 
Coils; Earth; Heat pumps; Land surface temperature; Space heating;
         
        
        
            Journal_Title : 
American Institute of Electrical Engineers, Part II: Applications and Industry, Transactions of the
         
        
        
        
        
            DOI : 
10.1109/TAI.1952.6371289