Why%20do%20my%20windows%20get%20frosty? - PowerPoint PPT Presentation

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Why%20do%20my%20windows%20get%20frosty?

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Higher heat loss is found in the window with lower angle with respect to the ground. ... Any method that blocks this radiation will keep more heat in the car longer. ... – PowerPoint PPT presentation

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Title: Why%20do%20my%20windows%20get%20frosty?


1
Why do my windows get frosty?
  • By
  • Ryan Woodland
  • Rob Branham

2
Frost is found on the rear window and not on the
side windows.
No frost
3
Frost is found on the rear window and not on the
side windows.
Frost beginning to form.
4
Equations
  • Windows approximated as a rectangular surface on
    an infinite flat plane
  • A1 window
  • A2 ground
  • A3 sky

5
Results
6
Conclusions and Recommendations
  • Higher heat loss is found in the window with
    lower angle with respect to the ground.
  • The windows that are more open to the sky reach a
    lower temperature faster than the windows that
    are not as open to they sky.
  • Any method that blocks this radiation will keep
    more heat in the car longer.
  • parking in a garage rather than on the street
  • putting a cover over your car at night
  • parking under a tree
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