Abstract
In the present article the author gives the results work to create a numerical thermal model of infrared (IR) emitter on the base of tubular halogen lamp (THL) KGT-220-1300, as one of the elements of the equipment used when conducting thermal vacuum tests (TVT) of satellites. As a tool to solve complex problem of heat transfer used software Thermal Model Generator. Variants of calculations for the operation of the lamp at different voltages are carried out. The results of mathematical modeling using band approximation of the properties of the system elements in combination with the Monte Carlo method in solving the problem of heat exchange by radiation showed high efficiency. The performed analysis of the correctness of the results showed good convergence with the data of previous experiments on measuring the temperature of the quartz bulb, which confirms the reliability of the results. Getting a high-quality model of this type at the disposal of satellite thermal engineer is an important step in the complex work aimed at conducting end-to-end mathematical modeling of satellite thermal design, and will also solve a number of issues related to the methodological support of TVT, their implementation and optimization.
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