HEI Standard (Feedwater Heaters) - CAESAR II - Help

CAESAR II Users Guide

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CAESAR II
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CAESAR II Version
12

HEI-Standard evaluates the loads on shell-type Heat Exchange Institute (HEI) standard nozzles.

Section 3.14 of the HEI bulletin discusses calculation of the allowable loads. HEI uses a simplification of the WRC 107 method, where the allowable loads are linearized to show the relationship between the maximum permitted radial force and the maximum permitted moment vector. If this relationship is plotted, a straight line can be drawn between the maximum permitted force and the maximum permitted moment vector, forming a triangle with the axes. For any set of applied forces and moments, the nozzle passes if the location of these loads falls inside the triangle. Conversely, the nozzle fails if the location of the loads falls outside the triangle.

Equipment Manager

Heat Exchanger - Input Tab

Heat Exchanger Nozzle - Input Tab

Load Cases - Input Tab

Load Case Sets - Input Tab

Output Tab