Four limes fuM si/e 

 Vater temperance, 40°F 

 Temperature profile obtained by electrical 

 arwtog com;Hjti». with temperature drop 

 based on the Thermal conductivity ol 

 copper and estimated film transfer 

 coefficients, verntred in previous 

 experiments. 



All numbers art temperature, °F. 



Note: The corrmutation method requires 

 certain assurncno-Ts whtch may change th2 

 actual values upor down by 1 to 2 denrees; 

 the fractional twiperatures wruld not be 

 justified on thai frasis. However, the method 

 does provide accuracy of the order indicated 

 m establishing t*<npeiature gradients. 



Figure 10{b). Comparable computer output for stubby copper fins used in the 

 12* module experiment All values sncwvn are calculated. 



18 



