Confused: Shell-side design temperature: Is it determined by using isentropic principles to find the corresponding temperature at the design pressure of the relevant extraction steam pipeline?
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When encountering the tender documents for low-pressure heaters, it is required that—the design temperature on the shell side be determined by using isentropic principles to find the corresponding temperature at the design pressure of the corresponding extraction steam pipeline? Gentlemen, how do I go about it? Thank you
1. Determine the design pressure. 2. Use the pressure and temperature at the steam inlet to calculate the entropy value. 3. Use the entropy value obtained in step 2 along with the design pressure to determine the temperature, which is the design temperature on the shell side.