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Maybe some of you could point a good source of experimental data of gas flow through pipelines? What I need is a very simple flow of some gases through some diameter simple linear pipeline. A graph of pressure loss at different diameters would fit or something similar. I need this to compare theoretical estimates and experimental measurements. Thank in advance.

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This is an area of active, on-giong research (indeed, my father has been involved in such research for around forty years) so such data certainly exists, but that doesn't mean that it is easy find a buch sitting out on the internet for download in a format that's easy to interpret. Worse, much of the recent research concerns itself with difficult corners of the problem (multi-phasic, near phase change, high turbulence, pulse flow, etc...) which probably isn't what you want. –  dmckee Jan 11 '13 at 14:28
Indeed, there is many papers with quite advanced issues and measurements, but a simple dependency like I need is hidden somewhere in depths of internet. –  Tomas Jan 11 '13 at 16:47

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