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2. Choked flow - Wikipedia

   en.wikipedia.org/wiki/Choked_flow

   where is the heat capacity ratio / of the gas and where is the total (stagnation) upstream pressure. For air with a heat capacity ratio =, then =; other gases have in the range 1.09 (e.g. butane) to 1.67 (monatomic gases), so the critical pressure ratio varies in the range < / <, which means that, depending on the gas, choked flow usually ...

3. Stodola's cone law - Wikipedia

   en.wikipedia.org/wiki/Stodola's_cone_law

   For a given outlet pressure , flow rates change depending on the inlet pressure as an arc of hyperbola in a plane parallel to ˙. Usually, Stodola's cone does not represent absolute flow rates and pressures, but rather maximum flow rates and pressures, with the maximum values of the diagram having in this case the value of 1.

4. Decompression theory - Wikipedia

   en.wikipedia.org/wiki/Decompression_theory

   Applied to Haldane's work, this would suggest that the limit is not determined by the 1.58:1 ratio but rather by the critical pressure difference of 0.58 atmospheres between tissue pressure and ambient pressure. Most Haldanean tables since the mid 20th century, including the Bühlmann tables, are based on the critical difference assumption .

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   Biotin is one of the most popular hair growth ingredients, but does it actually work? Ahead, top dermatologists explain the benefits, risks, and more. ... $60.00 at sephora.com. Women's Hair ...

6. Propelling nozzle - Wikipedia

   en.wikipedia.org/wiki/Propelling_nozzle

   Convergent nozzles are used on many jet engines. If the nozzle pressure ratio is above the critical value (about 1.8:1) a convergent nozzle will choke, resulting in some of the expansion to atmospheric pressure taking place downstream of the throat (i.e., smallest flow area), in the jet wake. Although jet momentum still produces much of the ...

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