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Calculating flow rate based on calorific value

2019-10-31View Original

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I would like to ask everyone if there are any of you who work in the field of thermal engineering. For steam flow rate, is there a way to estimate it? It is by using the water flow rate, temperature difference, and calorific value to ultimately calculate the steam flow rate. I want to know what this formula looks like, and also how accurate the flow rate value derived from it is
Reply #22019-11-02
You can take a look at a post I shared; it contains some traffic compensation algorithms
Reply #32019-11-02
For steam measurement, compensation cannot be done using the ideal gas equation, as that would result in too large errors. I vaguely remember there was a member from the marine community back then; his profile picture showed an eagle, and I can’t recall his username – it was hard to remember. He developed several concise steam compensation formulas, with an accuracy of around 0.5 level. So-called heat, ignoring the delay in heat transfer, can be considered as the heat released by the steam, which is equal to the difference between the inflow and outflow rates at the same moment! A heat meter is essentially a flow difference meter that uses standard temperature and pressure as the measurement conditions.
Reply #42019-11-04
Just install a vortex flow meter in front of the heat exchanger! The calorific value is also inaccurate; the estimation errors are too large, so it’s unnecessary!

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