Q.5. For the velocity profile in laminar boundary layer: 13 3 2 2 Find the thickness of boundary layer and shear stress 1.5 m from the leading edge of a plate. The plate is 2 m long and 1.4 m wide and is placed in water which is moving with velocity of 200 mm/ second. Find the total drag on the plate ofu for water = 0.01 poise.

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

A: As per our guidelines, In case of multiple questions experts can only provide solution to first…

Q: 2. A 0.10 cm-radius sphere falling in air (T= 20°C) at a speed of 25 m/s. Determine the following:…

A: Given  radius of sphere (r) =.10 cm  Terminal velocity (v)=25 m/s density of Air ρ =1.2 kg/m3…

Q: 2. Air at 40 °C moves over a long flat plate with a uniform free stream velocity of U = 900 m/s.…

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Q: 7. A flat plate has a length of 40 cm and width of 1 m. Air, at pressure of 2 atm, temperature of 57…

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Q: A thin flat plate 55 x 110 cm is immersed in a 6 m/s stream of oil. What is the friction drag on one…

A: GivenA=55×110 cmV=6 m/sρ=891 kg/m3μ=0.29 Pa-s

Q: An approximated velocity profile for a laminar boundary layer is given as u(y) z Usin 28 where U is…

A: (a) Write the given data. uy=Usinπy2δμ=1.94×10-5 Ns/m2U=10.8 m/s δ=3 cm

Q: A diamond-shaped body, of characteristic length 9 in, hasthe following measured drag forces when…

A: The properties of the air at the sea level are: The properties of air at 20 degrees Celsius are:…

Q: The momentum thickness OM for laminar flow over a flat plate is (115/1134) 6. Find the following: a)…

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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…

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Q: The rectangular wing of a trainer aircraft has a wingspan of 15.3 m and a chord of 3 m, the chord…

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Q: Consider the equation gm v (t) (1 – e-C/m}t) For the free-falling bungee jumper with linear drag,…

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Q: Determine the drag force for a plate with a length of 48 cm and width of 15 cm. The plate is…

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Q: Vre The turbine rotor of a ship when the has a mass of 22 tonnes and rotates at 1860 rpm clocknise…

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Q: A square flat plate with sides of length L = 2m and a negligible thickness (out of the page) is held…

A: Given:Length of the square plate, L=2 mAir velocity, U=10 m/sFind:The drag coefficient, CDf

Q: Air flows parallel to the surface of a smooth flat plate 10 m lon thickness at the leading edge. The…

A: Given:Length of plate, L=10 mReynolds number at the trailing edge of the plate, Re=107Critical…

Q: Required information A thin flat plate 55 by 110 cm is immersed in a 5.6-m/s stream of SAE 10 oil at…

A: To find: (a) The total friction drag if the stream is parallel to long side. (b) The total friction…

Q: The boundary layer formed as turbulent around the sphere is when ReD = 2.5*10^5 (a) Golf…

A: Re= 2.5×105Golf ball diameter, Dg= 43 mm= 0.043 mSoccer ball diameter, Ds= 222 mm= 0.222 m   Note:…

Q: A space of 25 between tWo surraces th SAF west lubricating oil at 250C (u = 0.18 Ns/m?). Plot the…

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Q: We are testing a flat plate of length L = 1.125 m and width W = 0.225 m in a stream of air flowing…

A: For flat plate boundary layer conditionWe Re=5×105Thus Re=ρVLμ Re=1.2×20×1.12518×10-6 Re=15×105Thus…

Q: The drag of an airfoil (Fig.) increases considerably ifyou turn the sharp edge around 180° to face…

A: When the sharp edge of the airfoil is turned around by 180 degrees, the t/c ratio increases. From…

Q: Cd=1.4 (coefficient of drag)  ¥=10 ft/sec (velocity) Ƴ=62.4 #/ft3  g=32.3 ft/sec2 a. What is the…

A: givencoefficient of drag CD=1.4velocity of water V=10ft/sdensity of water γ=62.4 lb/ft3g=32.3…

Q: Q1: Find the boundary layer thickness (8) equation, the shear stress (to) and the coefficient of…

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Q: Air at 15 °C flows at V = 5 m/s over a flat plate of length L= 6 m and width W = 2 m. Calculate the…

A: T0=15°C v=5 msecL=6 m w=2 m   Surface of plate is smooth ρ=1.225 kgm3 and μ=1.81×10-5 Kgm-sec at…

Q: Air at 20°C forms a boundary layer near a solid wall, in which the velocity profile, U = Umax sin TY…

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Q: Q1: Find the boundary layer thickness (8) equation, the shear stress (to) and the coefficient of…

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Q: A solid sphere having diameter 5 mm is falling through oil of density 800 kg/m? and dynamic…

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Q: 5- A river barge which is 50 m long and 12 m wide has flat bottom; therefore, its resistance is…

A: Given Data: The length of the barge is, L=50 m. The width of the barge is, W=12 m. The speed of the…

Q: Consider a flat plate as shown below. Freestream air approaches parallel to the plate with the…

A: Given: The dynamic viscosity of the air = 1.63x10-5 kg/.ms The Mach number, M = 0.4 The altitude, h…

Q: A fluid with viscosity of u = 1.752 x 10-5kg/m. s and density of p= 1.2kg/m³ %3D flows at U=1 m/s…

A: We have to determine (a) Find the boundary layer thickness at the end of the plate. (b) Find 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: A gas at 20°C and 1 atm flow at 6 ft/s past a thin flat plate.At x = 3 ft, the boundary layer…

A: Given data: The velocity of fluid flow is V=6 ft/s. The distance from the leading edge is x=3 ft.…

Q: If a missile takes off vertically from sea level and leavesthe atmosphere, it has zero drag when it…

A: The drag force will be given as follows,…

Q: In the 1930s, the US. Navy operated dirigibles. The largest was the US.S. Akron with a length of 785…

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Q: A truck experiencing drag is able to reach a maximum velocity of v₁ = 30.5 m/s. It has…

A: Given:Maximum velocity of truck for area A1=1.6 m2, v1=30.5 m/sDrag coefficient for A1=1.6 m2,…

Q: The air with temperature T. 20°C, speed U. = 20 m/s flows over the plate with length L = 1 m, width…

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Q: In the vertical wind tunnel used in paratrooper training, find the wind tunnel free speed required…

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Q: A NACA 2412 airfoil with a chord of 0.64m is flying in an airstream of standard sea level…

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Q: Consider a large dirigible (like the Goodyear blimp) with length L = 240 m, and average diameter D =…

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Q: 6- A uniform free stream of air at 0.8 m/s flows over a flat plate (4 m long x 1 m wide). Assuming…

A: The drag force on a flat plate can be determined as, For the laminar flow the drag coefficient can…

Q: 3( y 28 force on the rear half portion of the plate. (p = 1.2 kg/m; v= 1.51×10* m/s) u Find the…

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Q: A 30-cm-diameter smooth ball of dėnsity Ppall = 210 kg/m³ is tied to an object on the bottom of a…

A: Given: The diameter of smooth ball, d = 30 cm The density of ball, ρball = 210 kg/m^3 The density of…