LIST OF SYMBOLS 



A Base area (ft 2 ) 



a Base thickness of fin (ft) 



c Specific heat [Btu/(lb) (°F)] , at constant pressure 



D Outside jiaaseter of t* imble 



Ejj No-current voltage compared to saturated calomel electrode 



f Experimental constant 



g Local gravitational constant 



H Radial height of fin 



h Convection film coefficient 



K Thermal conductivity [Btu/(hr) (ft 2 ) (°F/f t)] 



k Thermal conductivity [Btu/(hr) (f t )(°F/in.)I 



L Fin length 



I Length of thermoelectric unit (TE) 



N Number of fins 



Nu Nusselt's number, = hd/K 



P Pressure (psi) 



Pr Prandtl number 



Q Heat transferred (Btu/hr) 



Ra Rayleigh Number = (Pr)(qr) = (C u/K) (L 3 p 2 £,q,£t/i; 2 ) 



P 



Rp Surface area ratio of fin systea to plain cylinder of same root 

 diameter 



S Longitudinal compressive stress (psi) 



t Temperature of water ( F) 



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