Abstract
The temperature dependence of electronic components has a significant impact on the technology and design methods of information systems. Thermal management systems are an essential component of on-board systems, for which the most important requirements are reliability, weight, dimensions and power consumption. The thermoelectric method of heat extraction is one of the most promising for products with localized and unevenly distributed heat-loaded elements. The requirement to improve system reliability while increasing dynamics and reducing weight is a fundamental problem, its solution is relevant, and finding compromise solutions between reliability and dynamics is the goal of research. The paper shows that the main significant indicators of thermoelectric systems for ensuring thermal conditions are reliability, dynamics, power consumption and controllability. A mathematical model of a thermal management system consisting of: a heat-loaded object - a thermoelectric cooler - a device for discharging heat into the environment. The determining relationship between the intensity of failures and the geometry of thermocouples and current modes, dynamics and energy indicators and physical properties of the thermocouple material, and the possibility of finding compromises between reliability indicators and cooler dynamics are revealed. The expediency of optimized management of the executive body by a set of interrelated basic energy, time, reliability indicators and the areas of their preferred use is substantiated. The practical value of the research lies in the intensification of heat exchange of the heat sink with the external environment, reduction of the temperature difference, which makes it possible to reduce the intensity of failures and dynamic characteristics of thermoelectric systems for ensuring thermal conditions.
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