Rupture and leakage of heat exchange tubes in water-cooled heat exchangers and issues related to the setting of safety valves
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How should the leakage rate resulting from the rupture of the heat exchange tubes in a water-cooled heat exchanger be calculated? The high-pressure side tube side contains natural gas, while the low-pressure side shell side contains cooling water. How should the discharge capacity of a safety valve be calculated if it is installed in the cooling water circuit? (The relief valve setting pressure is the same as the pipeline design pressure).
According to the calculations for heat exchanger tube rupture, refer to APl521.
I couldn’t find the specific algorithm in API521~~ Could someone experienced tell me on which page it is or provide the exact formula?