Mean steam consumption. The mean steam consumption of a flow type application like a process heat exchanger or heating calorifier can be determined from Equation 2.6.6, as shown in Equation 2.6.7. But as the mean heat transfer is, itself, calculated from the mass flow, the specific heat, and the temperature rise, it is easier to use Equation 2.6.7.
Operate the shell and tube heat exchanger at approximately 75% for sufficient heat transfer and economic efficiency Experiment Recommendations Monitor pressure gauge (PG-07) at low steam rates to prevent a vacuum The first one is good. Second one has nothing to do with anything else presented up to this point.
Steam Consumption of Heat Exchangers Spirax SarcoSteam consumptionm calculations for heat exchangers. Shell and tube heat exchangers and plate heat exchangers are typical examples of flow type applications. Therefore, when determining the steam consumption for these applications, Equation 2.6.5 should be used.
Jan 16, 2017 · If we select a steam-to-water heat exchangeralso called a convertorat 30 PSIG entering steam pressure, we get a shorter unit than if we select it at 5 PSIG entering steam. Theres slightly more latent heat in higher pressure steam, but the overriding factor comes from the steam temperature. 30 PSIG steam is 274°F while the 5 PSIG steam is 227°F.
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