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Improving Heating System Operations Using Water Re-Circulation
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In order to solve the imbalance problem of a heating system, brought about by consumer demand and regulation, and save the electricity energy consumed by a circulation pump, a water mixing and pressure difference control heating system is proposed. The adjustment formulas of the relative flow rate and temperatures of supply and return water for both primary and secondary circuits of the system are deduced. The corresponding adjustment curves are plotted with calculating examples. Analysis of the curves indicates that consumer- regulated indoor temperature is the primary factor that affects the flow rate and temperature of return water.
Li, F.; Han, J. (2006). Improving Heating System Operations Using Water Re-Circulation. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from