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  • The calculation of Peltier working mode using as a cooler in air drying module

    Drying module is a part of any modern gas analysing device. Using the Peltier elements for cooling the gas probe in druying module is a known technical solution. Peltier elements are very energy-intensive things. So the task of calculation of amount of electrical energy which is needed for predetermined temperature decline of gas probe is very topical. The solution of this task is given in the article. With formulas for partial pressure of vapour we can calculate the humidity of gas at the output of drying module. Then we can find the temperature of gas. Finally using the heat balance equation and nomogramms we can calculate the voltage for Peltier element.

    Keywords: Peltier element, gas probe, drying process, gas analyzer, heat balance, partial pressure of vapour