Brief description of SOLSYS energy system simulation computer program

ABSTRACT:
Program (SOLSYS) is used primarily to simulate the transient performance of solar energy systems. The program consists of a component subroutine library, an information subroutine library, a control-component subroutine library, and an executive program. Component subroutines model the

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performance of fluid-handling components which can be connected to construct almost any desired energy system. The component subroutine library presently contains 21 subroutines modeling collectors, storage units, power-generation cycles, transmission and distribution hardware, heat exchangers, house equipment, and auxiliary energy components. Some components are m9deled very accurately and others use simple energy-conservation models Information subroutines supply time-dependent information such as insolation data, weather data, heating requirements, air-conditioning requirements, hot water requirements, and electrical requirements to the program. Control-component subroutines model components which control temperatures in the system and components which switch a fluid flow between fluid channels when switching is necessary. The executive program handles input and output and calls on subroutines in the appropriate order.

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