« on: 12/11/2017 17:53:03 »
This is an interesting question (and I think that it's been addressed before on these forums). Although I don't know the mathematics needed to address it directly, I can say that the answer depends on various factors. The outside air temperature, the temperature of the body moving through the air and the shape of the body will affect the answer. If the outside air temperature is equal to the temperature of the body, then no wind chill can occur. It's also important to note that wind chill merely accelerates the cooling process (i.e. it can't make the body colder than the air itself is). The shape of the body matters because a body with more friction will have a higher stagnation temperature (that is, the maximum possible temperature that an object can be raised to by aerodynamic effects).
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