8/30/2017 0 Comments Car Windows Fog Up Winter
Why Windows Fog Up on a Cold Day . If the temperature of air is dropped below a specific temperature, called the dew point, then the water vapor in that air condenses into a fog as the water molecules jiggle around slower and slower and eventually clump together. Water Vapor. This is why windows fog up in a car full of people on a cold day. Water vapor is first exhaled into the air by passengers in the car. Then because the car windows are colder than the dew point air close to the glass cools to below the dew point as well, causing water vapor in this air to condense and stick to the windows. Raising The Temperature. So when you turn on the heater to warm up your windshield you are raising the temperature of the glass to above the dew point, where water molecules will remain quickly jiggling and not clump up, thus preventing your windows from fogging. To defog your windshield you can also roll down a window, letting the moist air escape and letting drier air into the cabin. Or you could try not breathing, but this is not highly recommended. ![]() Play the latest HTML5 games for free in your mobile browser without app store downloads. Play on any Android, iOS or Windows mobile device! Here's the Real Reason You Should Never Warm Up Your Car. It takes longer, wastes fuel, and actually increases the wear and tear on your engine. ![]()
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