Thermal Simulation of an air engine. Here in the video there is a circular section which is attached with 9 thermocouples. When it get heated up the air inside the cylindrical section gets warm up and due to this the atomic gap between the air atom increases. So it creates a pressure to move outside by one end and as the section is now in vaccum state, so from the other end cold air enters inside it. And again this process starts to occur and runs so on. In result it gives us a air engine. Here is the thermal simulation of the model.

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