Definitions
Exchange of thermal energy between physical systems by dissipating heat.
What is Heat Transfer?
What is △T?
What is difference in Temperature
△T if inside temp is 66°F and outside temp -2°F
What is 68°F
(66 - -2)
-> 66 + 2 = 68°F
The type of heat transfer in a steaming cup of hot tea
What is thermal convection?
The kind of Heat transfer is it when outside temperature is LOWER than inside temp?
What is heat loss?
Unit for temperature
What is Fahrenheit?
U value if R value is 16.5
0.0606
(1/16.5)
What is Heat Radiation?
Energy RADIATED or transmitted as rays, waves, or in the form of particles.
Unit for area
what is ft2 ?
Outdoor temp if △T is 73 degrees Fahrenheit and the indoor temperature is 68 degrees Fahrenheit.
-5 degrees fahrenheit
The outside temperature is 74 degrees fahrenheit and the indoor temperature is 65 degrees fahrenheit.
What is heat gain?
Heat transmission by the circulation of a liquid or gas.
What is Thermal Convection?
Unit for Q'
What is Btu/Hr?
Find length if the total area is 414 and with a width 23.
What is 18 ft?
Hot boiling water ends up making the cup it is in hot as well.
What is heat conduction?
Process of heat transfer through a solid by transmitting kinetic energy from one molecule to the next.
What is thermal conduction?
Coefficient of heat conductivity, a.k.a 1/R
What is U Value?
A home has an inside temp of 68 degrees F, and an outside temperature of 2 degrees F.
R value is 13.55
A length of 15 ft and 33 ft wide.
Find Q'
what is 1861.54 Btu/Hr?
Challenge Question
The type of heat transfer when the outside temperature is 24 degrees CELSIUS and the indoor temperature is 66 degrees FAHRENHEIT.
What is Heat Gain?