Interested to Buy Any Domain ? << Click Here >> for more details...
Question 66 – The drag coefficient Cd = 0.05 and lift coefficient Cl = 0.4 for a levelled flow aircraft are measured. The velocity of the aircraft is v = 150 ft / s with its weight W = 2677.5 pound-force. (a) Find the value of the lift of the aircraft, L, when it is also its weight. (b) The drag of the aircraft, D = Cd M, L = Cl M. Find the value of D. (c) The power required is P = Dv. If 1 pound-force x (ft / s) = 1.356 W, find the value of P in the unit of Watt or W.
- 1 Answers
- 2509 Views
- I also Faced
- E-Mail Answers
Answer Posted / kang chuen tat (malaysia - pen
Answer 66 – (a) L = W = 2677.5 pound-force. (b) D / L = Cd / Cl, then D = (Cd / Cl) L = (0.05 / 0.4) (2677.5) = 334.6875 pound-force. (c) P = Dv = 334.6875 (150) (1.356) = 68075.4375 W, where D has a unit of pound-force and v has a unit of ft / s.The answer is given by Kang Chuen Tat; PO Box 6263, Dandenong, Victoria VIC 3175, Australia; SMS +61405421706; chuentat@hotmail.com; http://kangchuentat.wordpress.com.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Who built the first production scale pla (polylactic acid) facility?
Name some common causes of control valve noise?
Define octane number?
What is the process of including heat exchangers in ammonia refrigeration system?
What is the angle of repose?
What is a good method of steam tracing large vessels?
What is fuel requirement of 20kg/hr of incineration having material calorific value 6500 kcal/kg and diesel calorific value 10707 Kcal/Kg (PCC=850 degC and SCC 1050 Deg c)
Why do we apply on iron articles?
What are the apt definitions for apparent power, active power and reactive power?
Explain how can you estimate the efficiency of a pump?
The job profile as a Service Engineer?
At what temperature is glass fused to steel in the making of glass-lined equipment?
Explain what is the method involved in analyzing powders for composition?
how can i prepare for gate chemical in kolkata
What is a good source of surfactant information on the internet?
