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## Main Question or Discussion Point

Hello All,

I work in the refrigeration industry, and I'm trying to put a hard number on a hypothetical situation. The situation is a lapse in SOP and liquid gets trapped in a line. For this hypothetical situation the line is 100% full. What would the increase in pressure be per degree?

I know that the density (g/cm3) goes down as temperature is increased. So with a fixed mass, the cm3 number must go up to lower the overall density, but since the scenario is 100% full, my brain tells me that energy is getting transmitted into the pipe walls as pressure since it can't physically expand any more. What I can't figure out is how to enumerate that pressure gain.

Any help would be greatly appreciated.

For this example, the trapped liquid in the pipe is water.

Thanks,

Scott

I work in the refrigeration industry, and I'm trying to put a hard number on a hypothetical situation. The situation is a lapse in SOP and liquid gets trapped in a line. For this hypothetical situation the line is 100% full. What would the increase in pressure be per degree?

I know that the density (g/cm3) goes down as temperature is increased. So with a fixed mass, the cm3 number must go up to lower the overall density, but since the scenario is 100% full, my brain tells me that energy is getting transmitted into the pipe walls as pressure since it can't physically expand any more. What I can't figure out is how to enumerate that pressure gain.

Any help would be greatly appreciated.

For this example, the trapped liquid in the pipe is water.

Thanks,

Scott