how to simultaneously define mass flow, temperature and pressure of a waste heat source in Simscape?
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Hello everyone,
I want to define the above-mentioned parameters for a waste heat source to be used by a heat pump.
For a nominal operation a reserve (TL) with a specified pressure and temperature and then a mass flow source was defined.
The next step is to replace these two blocks by one that can contain actual operating data of mass flow, temperature and pressure of the waste heat source. I have not been able to find a way to do this. The idea is to see how the heat pump (not shown in the image) interacts with real operating data.
Is it possible to insert a source with these three variables into the system?
Thank you in advance,
Best regards.
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Yifeng Tang
il 24 Giu 2022
You may use a controlled reservoir and a controlled mass flow rate source to get the temperature and flow rate you want, as a function of time (from operating data).
You also mentioned a specified pressure. Now this is interesting. In general you can's specify a mass flow rate AND a pressure at a certain port, because for any given mass flow, the pressure is also determined by the resistance down stream to the outlet reservoir. You may have a measurement of the pressure, but it's really how well you can model the flow resistance down stream that determining the pressure.
If there is very little resistance down stream, you may try to get the pressure approximate correct by using a reservoir and a controlled pressure source at the outlet.
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