# Shared Flashcard Set

## Details

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

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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