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The Hidden Physics of Industrial Mixing
ASME Section VIII Division 1 uses formulas and thicker walls. The Hidden Physics of Industrial Mixing
Division 2 uses analysis and can use thinner walls. Thin-wall math drops radial stress when the inside radius divided by wall thickness is over 10. Stress intensity is twice the maximum shear stress. Mixing Reynolds number is density times speed times diameter squared, divided by viscosity. Power scales with speed cubed and diameter to the fifth. One slip: shrink-fitting a hot outer shell over an inner core is multiwall construction. Autofrettage is different. It overpressures one thick wall…
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