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Renewable Energy Conversions and Formulas
conversions and formulas for renewable energy
20
Engineering
Undergraduate 1
10/25/2009

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Cards

Term
1 kW H is how many Joules?
Definition
3.6 MJ
Term
1 BTU is how many Joules?
Definition
1055 Joules
Term
What is the formula for power in terms of hydroelectric energy using head and flow rate?
Definition
Head (height of water) x Gravity x Flow rate x Density (density of water is 1000k/m^3)
Term
How many GJ is 1 toe?
Definition
1 toe = 42 GJ
Term
1 boe is how many Joules?
Definition
5.71 GJ
Term
What is the formula for Wavelength?
Definition
mk(Wien's constant)/t
Term
1 Watt = 1 ?
Definition
Joules per second
Term
1 tonne is (in kilograms)
Definition
1000 kg
Term
How many grams of CO2 do you get from one gram of carbon?
Definition
3.67 grams of CO2
Term
What is a formula for the ratio in grams of carbon to oxygen in CO2?
Definition
12 grams of Carbon, 2 x 16 grams of 2 Oxygen = 44 G of CO2
Term
How do you convert Celsius to Farenheit?
Definition
Multiply the Degrees Celsius by 9/5 and add 32.
Term
How do you convert Celsius to Kelvin?
Definition
C + 273 = K
Term
What is the formula for kinetic energy?
Definition
1/2 mv^2
Term
What is the formula for potential energy?
Definition
mgh
Term
For Kinetic energy, what terms expressed equal a Joule?
Definition
(kg * m^2)/s^2 = J
Term
Work =
Definition
Force x Distance
Term
Energy content of gasoline is roughly in (J/L) (J/t)
Definition
33 MJ/L or 44 GJ/tonne
Term
How many gallons in a barrel?
Definition
1 Barrel is 42 Gallons, about 160 litres
Term
1 miles/hour = how many meters/s
Definition
1 m/hr = 0.44704
Term
A lb to kilograms
Definition
1 lb = 0.4536 kg
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