Diameter D (SG < 1) Vo

Q: Baseball drag data from the University of Texas are shownin Fig.  A baseball weighs approximately…

A: Given : The weight of baseball = 5.12 oz = 0.00994 slug The velocity of baseball = 108.1 mi/hr The…

Q: For a two-dimensional incompressible flow past a flat plate, the boundary layer velocity profile is…

A:

Q: 1. A hydrofoil 0.366 m long and 1.82 m wide is placed in a water flow of 12.9 m/s, p = 1025.3 kg/m…

A: Given Data⇒ Length of HydrofoilL=0.366 m Widthb=1.82 m Water Flow(U)=12.9ms Densityρ=1025.3kgm3…

Q: QI: The cart in the figure moves initially at velocity Vo-12 m/s and takes on water with a scoop 80…

A:

Q: The next figure shows a symmetric two dimensional wedge of half angle of 15°: If the wedge is well…

A: Given: Mach number = 3.5 T = 20 deg C

Q: Air at free-stream velocity of 8 m/s flows over a thin flat plate of length 5 m and width 1 m. A…

A: Solution:

Q: Consider two pressure taps along the wall of a laminar boundary layer as in Fig. The fluid is air at…

A: Write the assumption of the flow. The flow is steady, incompressible, and laminar. The boundary…

Q: Using von Karman momentum integral, derive boundary layer height 8, boundary layer displacement…

A:

Q: The so-called Rocket Man, Yves Rossy, fl ew across the Alps in2008, wearing a rocket-propelled…

A:

Q: A heavy sphere attached to a string should hang at an angleθ when immersed in a stream of velocity…

A: Given, U = 40 m/s diameter (d) = 3 cm = 0.03 m Specific Gravity of steel = 7.86  Freebody diagram,…

Q: The small boat show in in the figure is driven at a steady speed vo by a jet of compressed air…

A: Given        Velocity, Ve = 250 m/s Temperature, Te = 30oC

Q: Atmospheric boundary layers are very thick but followformulas very similar to those of flat-plate…

A: Write the properties of air at 20º.

Q: Air at T = 25 C° and p = 1 atm flows past a long flat plate, at the end of which is placed a narrow…

A: Write the given information. Write the properties of air at 25°C and 1 atm pressure.

Q: Base radius ro Oil 20 A solid cone of angle 104.8 degrees, base 15.2 cm, and density 2745 kg/m3 is…

A:

Q: In gliding (unpowered) flight, the lift and drag are in equilibriumwith the weight. Show that if…

A: The force of weight is balanced out by both drag and lift force, where the drag force acts in the…

Q: Hoerner states that the drag coeffi -cient of a flag of 2:1 aspect ratio is 0.11 based on the…

A: Two flags are present of which one is state flag and the other one is national flag of same area 2H…

Q: The Russian Typhoon-class submarine is 170 m long, witha maximum diameter of 23 m. Its propulsor can…

A: The density of the seawater at 1 atm and 20 degrees Celsius is The given power in watts is The…

Q: A smooth sphere of diameter d is dropped into a calm ocean. Data: d = 20 cm; Sphere material's…

A: Given that, Diameter of sphere, d=20 cm,Density of sphere, ρsm=3000 kg/m3Density of sea water,…

Q: A ship 150 m long, designed to cruise at 18 kn, is to betested in a tow tank with a model 3 m long.…

A: Given: The length of the prototype is LP=150 m. The velocity of the prototype is VP=18 kn. The…

Q: Q1/ Boeing 737 - 60 flies at altitude 15000m above sea level with speed 85 m/s and total drag…

A: Given data: -  The speed of the Boeing 737 - 60 is v = 85 m/s. The density of air at this condition…

Q: Water at 20°C flows over a flat plate with freestream velocity of 0.3 m/s. The plate is 100 cm long…

A:

Q: For a two-dimensional incompressible flow past a flat plate, the boundary layer velocity profile is…

A: Given: Two dimensional incompressible flow pasta)uU=32yδ-12yδ3b) uU=yδ18 To find:- (i) displacement…

Q: The Cessna Citation executive jet weighs 67 kN and has awing area of 32 m2. It cruises at 10 km…

A: The data given is, Weight of the jet, W = 67 kN Wing area, A = 32 m2 Lift coefficient, CL = 0.21…

Q: P3.48 The small boat is driven at steady speed Vo by compressed air issuing from a 3-cm-diameter…

A:

Q: Air at 20°C and 1 atm flows at 3 m/s past a sharp flat plate2 m wide and 1 m long. (a) What is the…

A: ASSUMPTIONS: boundary layer flow with zero pressure gradient…

Q: For those who think electric cars are sissy, Keio University inJapan has tested a 22-ft-long…

A: To find  The percentage of power expended against the air drag η. Given  The power generated by 8…

Q: The large block shown is x = 72 cm wide, y = 54 cm long, and z = 9.0 cm high. This block is passing…

A: Given:x=72 cm or 0.72 my=54 cm or 0.54 mz=9 cm or 0.09 mρ=1.43 kg/m3v=8.61 m/s

Q: Suppose we wish to analyze the rotating, partly full cylinderof Fig. 2.23 as a spin-up problem,…

A: let's take the cylindrical coordinate system to analyse a rotating cylinder.   velocity function V =…

Q: Water at 20°C flows at 5 m/s past a 2-m-wide sharp flatthe plate. (a) Estimate the boundary layer…

A: The properties of water at 20 degrees Celsius are: The Reynolds number of the flow is The critical…

Q: The helium-filled balloon in Fig.  is tethered at 20°Cand 1 atm with a string of negligible weight…

A: Write the properties of air at a given temperature.

Q: A ship is 125 m long and has a wetted area of 3500 m2.Its propellers can deliver a maximum power of…

A: Given data: The length of the ship, L = 125 m. The wetted area, A = 3500 m2. The delivered power, P…

Q: A smooth 12-cm-diameter sphere is immersed in a streamof 20°C water moving at 6 m/s. The appropriate…

A: Given: The diameter of the sphere is D=12 cm. The temperature of the water is T=20°C. The velocity…

Q: A tractor-trailer truck is coasting freely, with no brakes,down an 8° slope at 1000-m standard…

A: Given data: The slop is θ = 8o. The standard altitude is h = 1000 m. The rolling resistance for…

Q: When immersed in a uniform stream V, a heavy rod hingedat A will hang at Pode’s angle θ, after an…

A: Given, L = 40 cm D = 1 cm V = 35 m/s

Q: Air at 20°C and 1 atm enters a 40-cm-square duct as in Fig.P7.7. Using the “displacement thickness”…

A: Properties of air at 20°C  ρ=1.2 Kg/m3 μ=1.8×10-5 Kg/m-s

Q: The 2013 Toyota Camry has an empty weight of 3190 lbf,a frontal area of 22.06 ft2, and a drag…

A: Given ,Weight of the Vehicle  W = 3190 lbfFrental Area       A = 22.06 ft2Rolling Resistance  Crr =…

Q: A solid cone of angle 20, base rɔ, and density Pc 1s rotating with initial angular velocity wo…

A:

Q: Sand particles (SG = 2.7), approximately spherical withdiameters from 100 to 250 μm, are introduced…

A: From Stole's law, we know that settling velocity (Vt) is given by : Vt = (2/9) * g * (⍴sand -…

Q: Air at 20 °C flows at V = 10 m/s over a flat plate of length L= 1.52 m and width W = 2 m. Calculate…

A: Given data as per the question  Flat plate of length L= 1.52 m velocity =10 m/s  Width W = 2 m…

Q: Consider a steel sphere (SG = 7.85) of diameter 2 cm,dropped from rest in the water at 208C. Assume…

A: The drag coefficient is CD=0.47. The diameter of the steel sphere is d=2 cm×1 m100 cm=0.02 m

Q: The main cross-cable between towers of a coastal suspensionbridge is 60 cm in diameter and 90 m…

A: Given data: Diameter of cross-cable = 60 cm                     Length of cross cable = 90 m…

Q: Two baseballs of diameter 7.35 cm are connected to a rod7 mm in diameter and 56 cm long, as in Fig.…

A: Given data: The diameter of baseball, db = 7.35 cm. The diameter of the rod, dr = 7 mm. The total…

Q: A boundary layer analysis for flow past a cylinder provides the following expression for skin…

A: given; skin friction factor (Cf)=1Re6.973*xa-2.732*xa3

Q: When a sea-level flow approaches a ramp of angle 20°, anoblique shock wave forms as in Figure .…

A: Given Ramp angle = 20o To find (a) Ma1 (b) p2 (c) T2 (d ) V2

Q: The lift on a spinning circular cylinder, in a freestream with a velocity of 10m/s, is measured as…

A: Given data: V∞=10 m/sH=10,000 ft Need to compare the values of L1 and L2.

Q: A wing of 2 percent camber, 5-in chord, and 30-in span istested at a certain angle of attack in a…

A: Given data as per question span of wing =30 in velocity=200 ft/s  lift=30 lbf Drag =1.5 lbf

Q: A ship 200 f t long with a wetted area of 5000 ft2 moves at 25 ft/s. Find the friction drag,…

A: Given:Speed,U=25ftsViscosity,v=1.2×10-5ft2sDensity,ρ=1.94slugsft3Length of ship,L=200ft

Q: How do we use the Buckingham pi theorem to prove that drag coefficient is dimensionless?

A: Drag coefficients (Cd) are a measurement of an object's resistance to moving through a fluid. They…