Stress characteristics of pressure piping for liquid air separation plant
Stress characteristics of pressure piping for liquid air separation plant
The stresses out of the tee and bend on the pipe are higher because, compared to a straight pipe, the stress enhancement factor out of the tee and bend is higher.
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We calculate the number of plates assuming that the liquid and vapour on each plate are interacting to reach equilibrium. In practice, it is not possible to achieve an ideal equilibrium for all plates in a nitrogen distillation column, so the actual number of plates required is greater than the theoretical number of plates required. The ratio of the theoretical to the actual number of plates is the full tower efficiency. Factors affecting the full tower efficiency are: the gas phase and liquid p...