Thermoelectric system for cooling and air conditioning in passenger cars

Objective. The aim of the study is to develop a design of a thermoelectric system (TES) for cooling and air conditioning in the passenger compartment of a car, its calculation, analysis of parameters and electrical and thermal characteristics. Method. The study is based on the methods of natural and computational modeling of air conditioning and life support systems in order to find optimal solutions for efficiency, reliability and service life of low-temperature installations, machines and devices. Result. The TES has been calculated and its parameters have been determined. Dependencies describing the main characteristics of the TES and the TEM included in its composition have been obtained. The following dependence graphs have been constructed: changes in the average temperature in the volume of the vehicle cabin, as well as heat exchange systems over time, power, coefficient of performance, TEM supply voltage from the temperature difference between junctions for different values of the supply current, volt-ampere characteristic for different values of the temperature difference between junctions, change in temperature at the cold junction of the TEM from the supply current. The graphs are presented at a temperature of hot junctions of the TEM of 320 K. Conclusions. The parameters of the installation are defined: the number of TEM type TB-199-1.4-1.5 - 18 pcs., the operating power range of a single TEM is from 17 to 40 W with an average temperature difference between the junctions of 50 K, the supply current is from 2 to 6 A with a power consumption of 40 to 130 W, the cooling coefficient is from 0.17 to 0.7.

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