I am a relatively new mechanical engineer with a little more then one year experience. Recently I have had a friend need me to do some detailed fabrication drawings of certain metal displays and such that his company designs. Another friend recently asked me to do the same thing with a...
Wattage required to heat material:
Weight of material (lbs) x Specific Heat (Btu/lb °F) x Temperature rise (°F)/3.412 btu/watt hr. x Heat-up time (hr.)
= Watts
I found this on a website, does this fly with you guys? My heat transfer book has nothing on this.
Here is the deal, I have a copper shield in a vacuum that is exposed to q=0.69kw of radiant energy. I need to cool this shield to prevent any warpage. I am going to weld copper tubing to the shield to use for water cooling. So the heat will be removed from the copper shield via convection...
