Description: Oak Ridge National Laboratory (ORNL) is a leader in the development of analytical tools for the design of electrically driven, air-to-air heat pumps. Foremost among these tools is the ORNL Heat Pump Design Model, which can be used to predict the steady-state heating and cooling performance of an electrically driven, air-source heat pump. The ORNL Heat Pump Design Model has continued to evolve since the users' manual for the program, ORNL/CON-80/R1, was last revised in August 1983. This series of modifications to the heat pump model resulted in the Mark III Version, which is three to five times faster, easier to use, and more versatile than earlier versions and can be executed on a personal computer. The major changes made to earlier versions of the heat pump model relate to the organization of the input data, elimination of redundant calculations in the compressor and refrigerant property computations, improvement of thermostatic expansion valve and capillary tube correlations, revision of output format, and modifications to enable the model to run on a personal computer. The Mark III Version of the ORNL Heat Pump Design Model is a comprehensive, easy-to-use program for the simulation of an electrically driven, air-source heat pump.
Date: January 1, 1988
Creator: Fischer, S.K.
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