A new variable water (VW) flow system for chilled water system application is presented. Design, operational, and control issues are discussed. Analytical models of pump power and evaporative temperature are developed. The VW systems consume considerably less pump and compressor energy than the primary secondary (PS) systems under partial load conditions for most existing chillers. The VW system consumes less compressor energy since it results in higher refrigerant temperature in the evaporator. The VW systems also have the decoupling capability of the primary and secondary pumping systems.
Variable Water Flow Pumping for Central Chilled Water Systems
Contributed by the Solar Energy Division of the THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF SOLAR ENERGY ENGINEERING. Manuscript received by the ASME Solar Energy Division, June 2001; final revision, March 2002. Associate Editor: K. Den Braven.
Liu, M. (August 1, 2002). "Variable Water Flow Pumping for Central Chilled Water Systems ." ASME. J. Sol. Energy Eng. August 2002; 124(3): 300–304. https://doi.org/10.1115/1.1488667
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