Abstract
AbstractThe operating efficiency of autonomous objects of different purposes (underwater vehicles, spacecraft, etc.) substantially depends on the quality of the information received from heat-releasing apparatuses arranged on a carrying structure of the autonomous object. The thermal deformation of the carrying framework is caused by the irregularity of the temperature field due to a heat-releasing of devices, unsteady heat exchange with the ambient, and other reasons. In this case, the thermal deformation of the supporting framework, caused by the non-uniformity of the temperature field due to the heat dissipation of devices, unsteady heat transfer with the environment, and other reasons, is an important component of the complex distortion of information, especially optical measuring devices due to the displacement of the optical axis, focal length, etc., under the influence of a thermal gradient. Different systems of automatic thermal-stabilization are applied in order to decrease said distortions. The chapter is devoted to the mathematical modeling of thermal processes in the supporting framework during its automatic thermal gradient stabilization.KeywordsAutonomous objectThermal-stabilizationTemperature distributionThermogradient stabilization systemHeat source
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