Question of the Week Podcast

Question of the Week episode

Sun, 29th May 2011

When does wind chill turn to heating?

A plane wing (c) cliff 77 @ stock.xchg

So you've felt those cold winds robbing you of your heat, but how fast do you have to go before they give it back? And why do planes stay cold when shuttles are hot? Find out in this QotW!

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In this edition of Question of the Week

Full Transcript

  • At what speed does windchill give way to frictional heating?

    I recently started commuting by bicycle, but now that it's becoming winter, I've been wondering more about windchill. I understand much of it involves the moisture in the air, but how come commercial airplanes land from flights with cold icy surfaces, while some supersonic jets a...



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