Warm air actuator action
The function of air heater is generally to increase the temperature of cold air and prevent the cold end of air preheater from being corroded at start-up and low load. It is generally arranged on the cold air pipeline of the blower, and the heat transfer medium in the heat transfer process is generally steam. But some power plants don't have air heaters and use hot air for circulation, and some don't even have them.
The specific function of the automobile heater is to heat the interior of the cockpit and make the driver and passengers feel comfortable. The working principle is to send the heat inside the engine cooling system to the cab.