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Abbreviations
- a :
-
inside radius of model, in.
- b :
-
outside radius of model, in.
- E :
-
modulus of elasticity of model, lb/in.2
- E c :
-
modulus of elasticity of case, lb/in.2
- f :
-
material fringe constant, lb/in.-fringe
- h :
-
thickness of case, in.
- K :
-
stress-concentration factor
- m :
-
ratio of inside to outside radius,m=a/b
- n :
-
fringe order, fringes
- p :
-
pressure, lb/in.2
- r :
-
radial coordinate
- ΔT :
-
temperature change, °F
- t :
-
thickness of model or embedded polariscope, in.
- α:
-
coefficient of thermal expansion of model, in./in.—°F
- α c :
-
coefficient of thermal expansion of case, in./in.—°F
- θ:
-
angular coordinate
- ν:
-
Poisson's ratio of model
- ν c :
-
Poisson's ratio of case
- σ:
-
stress, lb/in.2
- σ1, σ2 :
-
principal stresses, lb/in.2
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Jenkins, W.C. Comparison of pressure and temperature stress-concentration factors for solid propellant grains. Experimental Mechanics 8, 94–96 (1968). https://doi.org/10.1007/BF02326134
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DOI: https://doi.org/10.1007/BF02326134