Why does smoke go out the window?

However, because outside the air is moving with speed V, we know that the static pressure outside the car is lower. This difference in the static pressures from inside the car to outside creates flow from inside the car to outside. So the flow brings with it the smoke and that's why it leaves the window.

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What does yellow smoke mean?

When these fuels do not burn completely because of a deficiency of oxygen, the conversion of carbon into carbon dioxide and water is impeded; and free carbon, or soot, appears as smoke. Insufficient oxygen can also lead to a yellow flame because unconverted carbon particles glow yellow hot. You can also ask what is smoke a symbol of? In art, smoking initially symbolised death, but came later to symbolise modernity, youth and nervous excitement. In literature, smoking is often used to evoke individuality and eccentricity, as is the case with Sherlock Holmes. Another contribution to the collective smoking identity began during World War I.

What does Brown smoke mean?

Brown smoke is usually a sign that untreated wood is burning, meaning the fire has grown from being a room and contents type event to a structural event where the rafters and building itself are burning, Dodson said. Can misfires cause white smoke? The misfire alone is not enough to deem a blown head gasket. The fact that you have the white smoke present along with the misfire is sound evidence that this is the case. The white smoke means you are burning engine coolant inside the engine. The vehicle is likely cutting off due to high engine temperatures.

What does GREY smoke mean?

White smoke can often mean material is off-gassing moisture and water vapor, meaning the fire is just starting to consume material. Grey smoke can indicate that the fire is slowing down and running out of materials to burn. Why does my car white smoke when I start it in the morning? But white smoke usually is caused by vaporized coolant, which often is the result of a blown head gasket. At the middle of the engine, you have the cylinders, which combust gasoline and air. Then, when you restart the engine, that coolant gets combusted, along with the gasoline and air. And that makes white smoke.