NOMENCLATURE 



Symbol 



Units 



Inside radius 



in. 



Outside radius 



in. 



Pi 



Po 

 V- 



E 



•^cr- ^e 



•^y. '^u' "^u 



GF 



CF 



Internal Pressure 



External Pressure 



Poisson's ratio 



Young's modulus of elasticity 



Buckling stress, and endurance stress, 

 respectively 



Tensile yield strength, ultimate tensile 

 strength and shear strength, respectively 



Span angle of a simply supported portion 

 of a sphere 



Meridional stress, hoop stress, and 

 boundary stress, respectively 



Strain gage factor 



Ratio of gage factor used divided by true 

 gage factor 



Resistance 



psi 

 psi 



numeric 



psi 



psi 



psi 



degrees 



psi 



numeric 



numeric 



ohms 



X 



Constant numeric 



Distance from specimen centerline of symmetry 



to centerline of strain gage, measured along 



concave or convex surface of specimen in. 



Angular location, measured counterclockwise 



on convex surface degrees 



111 



