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In rec.aviation.piloting Mxsmanic wrote:
writes: Air does not behave very much like an imcompressible fluid at low air speeds. Not even close. That's not what the engineers say. I am an engineer and have the degree to prove it and I totally agree with him, so stuff it. Under some conditions, low air speeds is one of them, air can be treated like it is an imcompressible fluid. The difference between TAS and EAS is only about 13% even at Mach 1. Since small aircraft come nowhere near to Mach 1, for all practical purposes air is incompressible for most calculations. Word salad that shows you don't get the concept. At low airspeed, the equations for incompressible fluid flow are close enough to what actually happens that they can be used for practical calculations. This does not mean that air "acts like an incompressible fluid" in any way, shape, or form. Obviously air, being a gas, can be compressed, but taking that into account at low speeds greatly complicates the calculations, and the final result isn't significantly different. Finally, the light comes on... Well, gee-whiz, you backed into a place where you are finally correct. Aren't you great? -- Jim Pennino Remove .spam.sux to reply. |
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Wrong again, Anthony! There is no King of England.
Rip Mxsmanic wrote: writes: I am an engineer and have the degree to prove it and I totally agree with him, so stuff it. I'm actually the King of England. Finally, the light comes on... The light was always on, but it's hard to see through heavily tinted glasses. |
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