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Does this make sense?

Bud_14
Bud_14 Member Posts: 200
in THE MAIN WALL
When you say "scorched" what temerature are you referring to, because the temperatures are not hot at all on the newer furnaces...say about back 15 years and how fast id the moving air your referring to, cause' most the time you can't feel the air move...not usually. :) Just courious :)

..how hot are those steam pipes..everyone i gave the oooaahah test was "Scorching hot".


Bud
www.Thesheetmetalshop.com

Comments

  • hydronicsmike
    hydronicsmike Member Posts: 855
    Wind Chill

    I just found this chart on an educational web site.

    The chart claims that if it is somewhat warm outside, a wind chill makes it even feel warmer. Does that make sense?
    Unfortunately, the chart is in °C and km/h, but the result would be the same.

    Mike
  • Steve Ebels
    Steve Ebels Member Posts: 904
    When I think about it.

    Yes it does. Anything over normal skin temp (85*F or 30*C) would feel warmer if driven by a breeze or wind. I would compare it to a regular oven vs. convection. Don't forget that 40*C is around 104*F if my math is right.
  • hydronicsmike
    hydronicsmike Member Posts: 855
    Fair enough...

    ...your math is bang on. It just surprised me, but your explanation makes sense.

    Every day we learn something new. Its beautiful.
    Thanks.

    Mike
  • hot_rod
    hot_rod Member Posts: 23,392
    They call it

    a heat index around here. Kinda the opposite of a wind chill factor :)

    Inside a building it's often called a draft. The "cold 70" snafu.

    hot rod

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    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • Unknown
    Unknown Member
    Getting latent

    There are points above 85° F that perspiration evaporation still takes heat away from the body and cools it, I wonder how high, and how much Relative humidity changes that point up and down. Faster, hot air provides faster evaporation.

    Comfort is a tough thing to describe, with numbers. I try to grasp it.

    Noel
  • Terry_4
    Terry_4 Member Posts: 42
    ever sit in a sauna

    and blow on your skin? Same effect.
  • Steamhead
    Steamhead Member Posts: 17,384
    The same principle

    explains one reason why scorched-air or heat-pump systems produce lousy heating. That moving air makes you feel cold!

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