Abstract
The main reason for the condensate formation in the exhaust system of transport and technological vehicles is the deposition of excess moisture contained in the hot exhaust gas on the cold walls of the exhaust system at low ambient temperatures. An experimental study was made for the time dependences of the temperature of the exhaust system elements of transport and technological vehicles on various negative ambient temperatures during the engine warm-up at idle speed. The temperature was measured with a special equipment OVEN MV110-8A, OVEN AC4, and SCADA OwenProcessManager software. The characteristic features of the unsteady temperature change of the exhaust system elements in the conditions of negative values of the ambient temperature are revealed. An analysis of the experimental data showed that the experimentally obtained temperature–time dependences when using dimensionless indicators differ slightly. This made it possible to construct a mathematical model of the temperature dependence of the exhaust system elements on the engine operating time for the entire research range.
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