Cooling and Heat Transfer Flashcards
What is conduction?
Direct contact
What is convection?
Indirect contact
Which method is most efficient?
Convection
What is another method of heat transfer?
Radiant energy
What is raid at energy?
Transmitted through electromagnetic waves
What is the frequency chart from low to high?
Radio waves, microwaves, infrared, visible light, UV, x-ray, gamma rays
So low frequency waves have long or short wavelengths?
Long
Do gamma rays have short or long wavelengths?
Short
Good emitters are also good
Absorbers
Good reflectors are poor
Absorbers
What is newtons law of cooling?
The rate of cooking depends on the environment
Objects at room temp do wha with light?
Absorb and reflect
What color is the highest temp?
Blue
A mirror is a good?
Reflector
What two methods of heat transfer are predicted by the kinetic theory?
Conduction and convection