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Questions tagged [upforce]

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5 votes
4 answers

How can an up-lifting tail have normal force direction and gradient when generating UP force?

This article includes this statement about tail forces to validate the concept that the horizontal tail in conventionally tailed aircraft can be generating force DOWN or UP at different times and ...
John K's user avatar
  • 132k
1 vote
3 answers

Why does pressure difference between top and bottom surface of wings increase as speed increases?

We observe that lift force increases as speed increases on aircraft wings. Theoretically, there must be increase in pressure difference between top and bottom surface of wings. What I don't understand ...
Jawel7's user avatar
  • 244
1 vote
1 answer

Pressure distribution on Aircraft wing

While conducting a structural analysis FEA for an aircraft wing, I had to import the CFD pressures acting on the wing, lets say at an A.o.A = 10 deg, at 80 m/s and at sea level, and say the ...
Rameez Ul Haq's user avatar