specify the mass of fluid in a closed system in Simscape

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Yun-Chi Yang
Yun-Chi Yang 2022-4-12
回答： Yifeng Tang 2022-7-14
I am using simscape to model a loop heat pipe, and my current problem is I do not know how to specify how much fluid is filled inside the loop heat pipe. Inside the heat pipe, it is a closed system, no mass come in or out, and I want the fluid to be two phase.

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Yifeng Tang
Yifeng Tang 2022-7-14
This question may give you some hints on heat pipe.
Regarding the total mass in a closed system, you may run the model for a very short period of time, and try to gather information from the simlog for the mass. In the two-phase domain, components like volumes and pipes have "mass" variable tracked in the simlog. More on logging in Simscape: https://www.mathworks.com/help/physmod/simscape/ug/log-and-plot-simulation-data.html

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