Podcast
Questions and Answers
What is the primary purpose of altering the shape of a wing tip?
What is the primary purpose of altering the shape of a wing tip?
- To improve wing aspect ratio
- To reduce induced drag (correct)
- To increase weight
- To increase lift
What is used to determine the forces on a model during a wind tunnel test?
What is used to determine the forces on a model during a wind tunnel test?
- Velocity sensor
- Wind flow meter
- Force balance (correct)
- Air pressure gauge
What is a benefit of using external balances in a wind tunnel?
What is a benefit of using external balances in a wind tunnel?
- Reduced model weight
- No interference in wind flow
- Easy model orientation change
- High flexibility in model testing (correct)
What is the purpose of a wind tunnel test?
What is the purpose of a wind tunnel test?
What is a common method of mounting a model in a wind tunnel?
What is a common method of mounting a model in a wind tunnel?
What type of instrumentation is used to measure the forces on a model?
What type of instrumentation is used to measure the forces on a model?
What is the effect of increasing the aspect ratio of a wing on induced drag?
What is the effect of increasing the aspect ratio of a wing on induced drag?
What is the purpose of winglets in reducing induced drag?
What is the purpose of winglets in reducing induced drag?
What is the benefit of having a higher lift to weight ratio in certain maneuvers?
What is the benefit of having a higher lift to weight ratio in certain maneuvers?
What is the effect of tip vortices on the wing's performance?
What is the effect of tip vortices on the wing's performance?
How do wing end plates reduce induced drag?
How do wing end plates reduce induced drag?
What is the advantage of using tip tanks in reducing induced drag?
What is the advantage of using tip tanks in reducing induced drag?
What is the primary cause of induced drag?
What is the primary cause of induced drag?
What is the effect of doubling the indicated air speed on parasite drag?
What is the effect of doubling the indicated air speed on parasite drag?
What is the purpose of de-icing and anti-icing devices on an aircraft?
What is the purpose of de-icing and anti-icing devices on an aircraft?
What is the relationship between wing aspect ratio and induced drag?
What is the relationship between wing aspect ratio and induced drag?
Which of the following is a drag minimization technique?
Which of the following is a drag minimization technique?
What is the result of a higher lift-to-weight ratio on an aircraft?
What is the result of a higher lift-to-weight ratio on an aircraft?
