How do thermometers in a car work, how does it know temperature while car is stationary vs moving? Is there not a wind chill effect?
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Wind-chill effects you because you produce heat. The actual temperature of your skin never gets below the air temperature but the wind causes energy to leave you quicker so your skin gets to air temperature quicker
Thermometers aren’t effected by wind chill because they don’t make heat and are just trying to measure the air temperature not energy flows.
In your car, the thermometer is in the air intake so it pulls fresh air across it and doesn’t raise in temperature too much due to the engine heat.
OAT gauges (outside air temp) can come with sheathes, or wind shielding elements. The electronic one (I assume) in cars could have the same implications?
Wind chill is only an effect for things which generate heat, like humans. There is no windchill effect on a simple thermometer as it does not produce heat. There is technically some windchill for an engine including the radiator but for cars they solve this by installing the thermometer far enough in front of the engine that the heat from the engine does not affect it even when stationary.
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