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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Flow over a delta wing

Choose difficulty:

Beginner

Intermediate

Advanced

The formula for aspect ratio is

a: AR=b²/S Explanation

Explanation

b: AR=b² * S Explanation

Explanation

c: AR=S/b² Explanation

Explanation

d: AR=b/S² Explanation

Explanation

Pitching moment is across?

a: Longitudinal axis Explanation

Explanation

b: Transverse axis Explanation

Explanation

c: Both of them Explanation

Explanation

d: None of them Explanation

Explanation

The 3 components in the 3 component sting balance are

a: Lift, drag and pitching moment Explanation

Explanation

b: Lift, drag and side force Explanation

Explanation

c: N1, N2, A Explanation

Explanation

d: Pitching, yaw and rolling moment Explanation

Explanation

Lift can be estimated from the body normal and body axial forces using the relationship

a: L=-N_b cos(α)-A_b sin(α) Explanation

Explanation

b: L=-N_b cos(α)+A_b sin(α) Explanation

Explanation

c: L=N_b cos(α)+A_b sin(α) Explanation

Explanation

d: L=N_b cos(α)-A_b sin(α) Explanation

Explanation

The advantage of delta wing in low Reynolds number is

a: delayed stall Explanation

Explanation

b: strong pitching moment Explanation

Explanation

c: Both of them Explanation

Explanation

d: None of them Explanation

Explanation

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