Exercise cheat sheet
Monday, April 25, 2011
4:15 PM
V = voltage in volts.
I = current in amps. 
W = power in watts.
J = energy in joules.
E = efficiency of cooling.
T = elapsed time. 
B = heat output in BTU's/hour
C = cooling power needed 
W=IV
V=IR
J=WT
B=1060J/hour
E<<1.0
C=B(1+1/E)