Abstract
Method of mathematical simulation of heat transfer processes in polymer composite (PC) products with intricate configuration, being an alternative of using up-to-date commercial software complexes has been developed. On the example of PC container with instrumentation and fiberglass electric heaters located in it, a mathematical model describing unsteady temperature field (a system of nonlinear differential heat balance equations for each element) has been formulated. Features of heat transfer between elements (heaters, instrumentation, enclosing structures) were taken into account. The verification of the method was conducted by comparing of theoretical temperature distributions with results of measurements in experiments with simplified variant of the structure. The developed method is effective, in particular, for such PC products as containers, modules, bunkers and vessels. It allows us to specify optimum operation modes for heating elements, operational parameters for conditioners and funs, heat insulation characteristics for providing a given level of air temperature inside objects in winter and summer service periods.
Highlights
Containers, modules, bunkers and vessels that should be provided with a given heat mode, are the advanced kind of products of polymer composite materials
The listed polymer composite (PC) products have, as a rule, an intricate configuration that substantially hampers the simulation of temperature fields in structures
This paper proposes a method providing the realization of any variants of complex physical models of heat transfer processes in products
Summary
Containers, modules, bunkers and vessels that should be provided with a given heat mode, are the advanced kind of products of polymer composite materials. A mathematical model describing unsteady temperature field of an assembly, in particular, a PC container is based on a system of usual differential nonlinear heat balance equations for each separate assembly element. It is adopted that the heat in the container in winter period of time is evolved by all four NESTs as well as two instrumentation blocks (I and II).
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