Changing Thermal Liquid Properties in Simscape

Question

Kyle Winters 2024-3-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2091791-changing-thermal-liquid-properties-in-simscape

回答： Yifeng Tang 2024-3-11

I saw this thread describing how to use get_param() and set_param() to populate fluid properties:

https://www.mathworks.com/support/search.html/answers/761831-auto-populate-thermal-liquid-properties-block-with-refprop-tables.html?fq%5B%5D=asset_type_name:answer&fq%5B%5D=category:hydro/thermal-liquid-modeling&page=1

I dont have enough reputation points to ask a follow up.

I am wondering though how to accomplish this when

get_param(gcb, 'DialogParameters')

just tells me all the things that are in the dialog box for a fluid which I can already change. Using 'ObjectParameters' doesn't seem to get me access to the parameters like density, specific heat, etc. either.

Let's say I wanted to put in new values for the matrix of thermal conductivity for water or other preselectable liquid. How might I find the right parameter to overwrite using set_param() do that?

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Answer 1

Yifeng Tang 2024-3-11

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2091791-changing-thermal-liquid-properties-in-simscape#answer_1423671

If you'd like to manually set the properties like density, Cp, etc., the right block to use is "Thermal Liquid Settings (TL)" from the foundation library. The icon looks identical to that of the "Thermal Liquid Properties (TL)" block.

See attached simple model and script. Hope that's what you are looking for.