Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 17, Problem 17.18PP
To determine
Total drag force on the sign.
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the wing of an aircraft haa a taper ratio of 0.63, and mean aerodynamic chord of 2.65ft. find the measurement of the wing's root chord, tip chord and wing area if the wingspan is 30 ft
3 - The ratio of the lift force ( L) to the drag
force ( D) for the simple airfoil
is
(L/D = 10 ) . If the left force on a short
section of the airfoil is ( 50N), Compute
the magnitude of the resultant force ( R)
and the angle (0 ) which it makes with the
horizontal.
Air flow
Ans. R = 50.2 N ,0 = 84.3°
Complete solution and proper units, Thank you!!
Fluid Mechanics/Aerodynamics
Chapter 17 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 17 - A cylinder 25 mm in diameter is placed...Ch. 17 - As part of an advertising sign on the top of a...Ch. 17 - Determine the terminal velocity (see Section 2.6.4...Ch. 17 - Calculate the moment at the base of a flagpole...Ch. 17 - A pitcher throws a baseball without spin with a...Ch. 17 - A parachute in the form of a hemispherical cup 1.5...Ch. 17 - Calculate the required diameter of a parachute in...Ch. 17 - A ship tows an instrument in the form of a 30...Ch. 17 - A highway sign is being designed to withstand...Ch. 17 - Assuming that a semitrailer behaves as a square...
Ch. 17 - A type of level indicator incorporates four...Ch. 17 - Prob. 17.12PPCh. 17 - A bulk liquid transport truck incorporates a...Ch. 17 - A wing on a race car is supported by two...Ch. 17 - Prob. 17.15PPCh. 17 - The four designs shown in Fig. 17.16 for the cross...Ch. 17 - Prob. 17.17PPCh. 17 - Prob. 17.18PPCh. 17 - An antenna in the shape of a cylindrical rod...Ch. 17 - Prob. 17.20PPCh. 17 - Prob. 17.21PPCh. 17 - Prob. 17.22PPCh. 17 - Assume that curve 2 in Fig. 17.5 is a true...Ch. 17 - Prob. 17.24PPCh. 17 - Prob. 17.25PPCh. 17 - A small, fast boat has a specific resistance ratio...Ch. 17 - Prob. 17.27PPCh. 17 - Assume that Fig. 17.11 shows the performance of...Ch. 17 - Calculate the total drag on an airfoil that has a...Ch. 17 - Prob. 17.30PPCh. 17 - Prob. 17.31PPCh. 17 - Prob. 17.32PPCh. 17 - Prob. 17.33PP
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- ! Required information Problem 06.001 - Calculate thrust required - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL THE PARTS Consider an airplane modeled after the twin-engine Beechcraft Queen Air executive transport. The airplane has the following characteristics: weight is 38,220 N; wing area is 27.3 m²; aspect ratio is 7.5; Oswald efficiency factor is 0.9; and zero-lift drag coefficient CD,0 is 0.03. NOT Th is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Problem 06.001.a - Calculate thrust required Calculate the thrust required to fly at a velocity of 525 km/h at standard sea level. Assume the value of poo = 1.225 kg/m³ at standard sea level. The thrust required to fly at a velocity of 525 km/h at standard sea level is N.arrow_forwardQ15: In Figure below, calculate Fx and Fv per unit width of the cylinder 1.5 m cylinder Water 35arrow_forwardFind the fluid force on an equilateral triangle facing down with a width of 2 feetarrow_forward
- 7. An 8 ft. square gate lies in a vertical plane. If one of the diagonal of this gate is vertical and its center is 10 ft. below a water surface, calculate magnitude and location of the total force on the gate. 8. The rectangular gate in the figure is hinged at the upper edge and is 4 ft. wide. Calculate the total force on the sill neglecting the weight of the gate. 10' Water Hinge Sill 45°arrow_forwardThe ratio of the lift force (L) to the drag force (D) for the simple airfoil is (L / D = 10). If the resultant force (R) of the lift force and the drag force on a short section of the airfoil is (60 lb), compute the magnitude of each of the lift force (L) and the drag force (D) and the angle (0) which the resultant force makes with the horizontal.arrow_forward5. A duct of 0.45 m diameter and 90 m long leads from a fan discharge chamber where the pressure is 15 mm of water to a plenum chamber where the pressure is 10 mm of water. In order to increase the flow, two alternatives are considered. One is to lay a duct of 0.3 m diameter and 90 m long in parallel with the duct of 0.45 m diameter. The other is to increase the diameter of 0.45 m diameter duct for the last 60 m length. Calculate the increased diameter so that this method gives the same flow as the 0.45 m and 0.3 m ducts in parallel. Assume that the pressures in the fan chamber and plenum chamber are unaffected by changes in the flow and consider duct friction losses only. The friction factor may be taken as 0.0o55. 6. A 0.3 m diameter circular duct carries standard air at a velocity of 360 m/min. It is replaced by a rectangular duct having the same pressure loss per unit length due to friction. Determine the dimensions of the rectangular duct if the aspect ratio is to be 1.5 for (a)…arrow_forward
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