Atmospheric Pressure
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Atmospheric Pressure
This will tell you what the atmospheric pressure should be in algodoo.
Will make this practical later e.g. aerodynamics for aerofoils.
The formula is uses is this :-
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(scene.my.vpos >= 0 && scene.my.vpos < 11000) ? { scene.my.pb = 101325; scene.my.tb = 288.15; scene.my.hb = 0 } : { (scene.my.vpos >= 11000 && scene.my.vpos < 20000) ? { scene.my.pb = 22632; scene.my.tb = 216.65; scene.my.hb = 11000 } : { (scene.my.vpos >= (20000) && scene.my.vpos < 32000) ? { scene.my.pb = 5474; scene.my.tb = 216.65; scene.my.hb = 20000 } : { (scene.my.vpos >= (32000) && scene.my.vpos < 47000) ? { scene.my.pb = 868; scene.my.tb = 228.65; scene.my.hb = 32000 } : { (scene.my.vpos >= (47000) && scene.my.vpos < 51000) ? { scene.my.pb = 110; scene.my.tb = 270.65; scene.my.hb = 47000 } : { (scene.my.vpos >= (51000) && scene.my.vpos < 71000) ? { scene.my.pb = 66; scene.my.tb = 270.65; scene.my.hb = 51000 } : { (scene.my.vpos >= (71000)) ? { scene.my.pb = 4; scene.my.tb = 214.65; scene.my.hb = 71000 } : {} } } } } } }; scene.my.atmp = ((scene.my.pb * 2.7182817 ^ ((-9.8 * 0.0289644 * (scene.my.vpos - scene.my.hb)) / (8.31432 * scene.my.tb))))
<- Designed by PhysicsGuy
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xplane80 - Posts: 498
- Joined: Mon Aug 31, 2009 7:28 pm
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