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Air pressure inversely related to velocity?
according to bernoulli's eq, P is inversely proportional to v. The textbk example is the lift of a wing. The curved surface causes the top to flow faster, reducing pressure..thus lift. BUT..the faster air flows, the stronger the force (thus P) is. A strong gust can blow something away. Is there a contradiction??
1 Answer
- SteveLv 71 decade agoFavorite Answer
You are confusing static and total pressure.
Ptot = Ps + ½ρV²
Ptot is the presure felt from a gust, and obviously increases with V².
Ps = Ptot - ½ρV², and obviously decreases with V²
Ps is the pressure felt by the skin of an airplane wing.
