Search Results

The servomechanism for air flow control has as effect on cooling starting by the shorting of warming up engine period with the useful consequences: fuel consumption, wear and pollution decreasing. A method for cooling air flow control is the use of a program-controlled blind who obturates section of the radiator of car engine, especially for reduced ambient temperature (≺+50C). For experiments it is used an electronic engineering installation who contains: two thermo resistances for the coolant temperature at the inlet, respectively at the outlet to the radiator, a flow meter with Hall sensor for measuring the coolant flow in the radiator loop, a Precision Analog Microcontroller and Laptop. We denote the first transient phase when the valves of thermostat become to open and the second transient phase between the extreme positions: valve is fully closed or fully open.