and is a bbq one of them?
2007-09-18 03:36:32 · 6 answers · asked by Leah B 2 in Science & Mathematics ➔ Physics
a bbq is provided you let the flames die out and rely on the glowing charcoal to cook your dinner
steam or electric radiators for your home
those litte electric space heaters
fireplaces (both wood and fake provide heat by radiation)
campfires
2007-09-18 03:55:08 · answer #1 · answered by Dr W 7 · 1⤊ 1⤋
Ovens, barbecues, radiators, etc. Sure.
Most of the thermal transfer in a bbq though comes from convection though.
2007-09-18 10:53:46 · answer #2 · answered by gebobs 6 · 0⤊ 1⤋
Heat exchanges (aka heat pumps)
Focusing lenses
Reflecting mirrors
Solar panels and electrical conversion cells (spacecraft)
Outdoor water evaporation cells (water processing plants)
Refrigerator (the coils before the expansion valve)
2007-09-18 10:54:43 · answer #3 · answered by Luke 2 · 0⤊ 1⤋
1) The Sun
2) Microwave
2007-09-18 10:41:32 · answer #4 · answered by Doctor Q 6 · 0⤊ 1⤋
Sun, yes
Microwave, no
BBQ yes--although convection and direct conduction play a part as well.
How about a radiator?
2007-09-18 10:43:21 · answer #5 · answered by Anonymous · 1⤊ 0⤋
solar powered car, solar powered air plane, solar powered hous and appliances, etc,
2007-09-19 08:53:18 · answer #6 · answered by Lyrad 2 · 0⤊ 0⤋