Heat Transfers Flashcards
1
Q
Proper name for good conductor
A
High thermal conductivity
2
Q
How does conduction work
A
Particles collide with adjacent particles, transferring energy
3
Q
How does convection work
A
Heat speeds up particles and cold ones fall in their place
4
Q
Explain how radiation works
A
Infrared light expels heat
5
Q
Why is insulation effective
A
Traps air particles to prevent convection and has low thermal conductivity
6
Q
Light coloured surfaces…
A
Reflect radiation
7
Q
Dark coloured surfaces…
A
Absorb and expel radiation
8
Q
Formula for energy needed for specific heat capacity
A
E=mc theta
9
Q
What does the “c” in the formula for energy needed for specific heat capacity
A
Specific heat capacity (J/kgC)
10
Q
What does the theta mean
A
Change in temp (Celsius)
