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Water heating in a closed volume

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Old   August 24, 2016, 15:10
Question Water heating in a closed volume
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Alex
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Hello!

I cant solve a simple problem using CFX. I have water and air in a cylindrical closed volume. Heating water expands -> air is compressed.

So, i have water domain with a heatsource and air domain above it. How can i discribe water expanding?
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Old   August 24, 2016, 21:12
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Glenn Horrocks
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Give it a density which is a function of temperature and/or pressure.
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