Mathematical Simulation of Heat Flows in a Building in case of Heat Supply Failure
National Research Tomsk Polytechnic University, Energy Institute, Lenin Avenue 30, Tomsk, 634050, Russia Federation
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Published online: 23 February 2016
Investigation of possible thermal modes in a building in case of heat supply failure has been carried out using the developed prognostic complex model. Time characteristics of processes of temperature reduction to critical values (which characterize the conditions of failure of a district heating system) in premises of various configurations have been defined. The influence of heating system structural features and the coolant circulation process at the time of its cooling to critical temperatures has been determined. Mathematical laws, which allow predicting the main parameters of building’s useful life according to the heating mode, have been derived. The specific numerical values of investigated processes for climatic conditions with outdoor temperatures from minus 10 °С to minus 40 °С have been given.
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