Assuming Stoke’s Law applies, a. Calculate the velocity of a 1.8 cm NaCl particle (S.G = 2.16) falling in water (viscosity is 1.1 cP). b. Calculate the drag force and drag coefficient for this particle.

Q: Change the number of cells per X and Y, see figure 2.16b, for the laminar boundary layer and plot…

A: First, we need to change the number of cells per X and Y in the computational grid for the laminar…

Q: Discuss the importance of lift and drag with the help of examples.

A: Lift : example - wings of air plane. The profile of a wing is such that there is a difference in…

Q: What is used as a similarity parameter to help determine whether the flow in a body and its scaled…

A: to determine dynamic similarity of any system the must condition is that physics of the problem must…

Q: a) Estimate the drag force on the plate. You may use the expression ?? = ∫ τ?dA b) When the flow…

A: Given Data: Water flows past a flat plate  Plate Length L=5 m Plate Width w=2 m shear stress at the…

Q: If the Pump-1A flow rate is increased due to an increase in the process what modification is…

A: If the Pimp-1A flow rate is increased due to an increase in the process what modification is…

Q: A thin flat plate ( 45 cm X 90 cm ) is immersed in a stream of glycerin (P = 1258 kg/m and u = 1.49…

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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: At six degrees angle of attack, an aerofoil profile (i.e. with aspect ratio of A1=00) has a lift…

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Q: (c) the sign is rotated by 90 degrees (so that it is 3 m high and 1 m wide) and the wind is parallel…

A: Solution: Given Data: V=15 mph   To Find:

Q: b) Air at temperature of 60 °C moves over a long flat plate with a uniform free stream velocity of…

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Q: Which of the statements/is/are true concerning the friction factor for solid spheres and cylinders…

A: Statement I only

Q: A form stage centrifugal pump running at 600 rpm is to deliver I m'/s of water against a manometric…

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Q: 21. Your plane has a lift to drag ratio ofn = 14.4 at a 10° angle of attack and mass of 3500kg. The…

A: Given Data The angle for the lift force is: θA=10° The mass of the wing is: m=3500 kg The lift…

Q: A sphere (Cd = 0.2) 1 ft in diameter travels at 100 ft/sec in standard atmospheric air. What is the…

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Q: Two large fixed parallel planes are 240 mm apart. The space between the surfaces is filled with oil…

A: Given:Distance between plates=240 mm or 0.24 moil viscosity=0.81 N-s/m2Plate area=0.5 m2velocity=0.6…

Q: If the model is 2 times larger and its velocity is 6.25 larger than the prototype, what will be the…

A: Given:The model is  larger than the prototype, The model velocity is  larger than the prototype…

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: From a low pressure-center the pressure increases by 1 kPa eastward across a distance of 1000 km.…

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Q: Suppose at certain speed, your car has the air drag force of 290 N and the rolling resistance of 370…

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Q: Estimate the drag force on the fuselage shown below for a cruising speed of 200 m/s at 10,000 m.

A: Given that, Cruising speed of the fuselage, V=200 m/sec,Height of the fuselage, H=10,000 m/sec, The…

Q: pe tested for estimating chen the speed at which

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Q: 7.9. What is the maximum speed at which a spherical sand grain of diameter 0.254 mm (0.01 in.) may…

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Q: GIVEN A thin rectangular plate having a width w and a height h is located so that it is normal to a…

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Q: 3. A bird with a body length of 10 cm is flying at 10 m/s through air (viscosity of 18.27 x 10-6…

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Q: 13) An inflated toy balloon is about 8g, with a cross-sectional area of 0.023 m'. It falls in air…

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Q: For the vehicle whose specifications are given below, calculate the engine power required in kW to…

A: Givenslope=12%=12100=0.12tanθ=0.12⇒θ=tan-10.12=6.84ovehicle speed (v)=99 km/h=99×518m/s=27.5 m/swind…

Q: 3.) Automotive engineers work very hard to improve the value of the drag coefficient for cars.…

A: GIVEN:F=28000Nρ of air=1.21kg/m3v=150m/sA=4m2μ=0.2

Q: 16. A boundary layer has a velocity profile that is approximated by a linear relationship:…

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Q: Inside a ship building R&D center, a model of a ship was to be put under experimental analysis, for…

A: A ship-building R&D center-Length ratio Lm/Lp=1/25The speed of the actual full-scale ship is…

Q: a) Estimate the drag force on the plate. You may use the expression ?? = ∫ τ?d? b) When the flow…

A: Given Data: Water flows past a flat plate  Plate Length L=5 m Plate Width w=2 m shear stress at the…

Q: How much thrust must the jet's engines provide to cruise at 280 m/s at an altitude where the air…

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Q: When tested in water at 20°C (density of 998 kg/m3 and viscosity of 0.001 kg/m.s) flowing at 2 m/s,…

A: Given,

Q: A minivan is pulled by a tow truck at 60 kph. The boxlike van is 20m long, 6m high, and 3.75m wide.…

A: Given   Velocity, v = 60 km/h = 16.67 m/s    Length, L = 20 m       Density =  0.0023 kg/m3…

Q: The aircraft is designed to carry up to 2800 kg of total mass. The wing area of the aircraft is 30…

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Q: (Drag) A 300-N rock (roughly spherical in shape) of specific gravity SG-1.93 falls at a constant…

A: Given,

Q: Choose the correct statement: During steady level flight with a propeller aircraft: Thrust available…

A: steady level flight is a condition in which planes moves at constant velocity on the path parallel…

Q: Using the viscosity of air µ equal to 1.8 x 10-4 g/(cm s), calculate vt in cm/s for a particle with…

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Q: Question 21 The drag on a moving object, at a fixed speed, is measured to be 24 N. Assuming that the…

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Q: A C-130 pilot desires to fly a low-level navigation mission at 4 n miles/ min (240 kn ground speed).…

A: Given Data The ground speed is: Gs=240 kn The wind speed is: Ws=20 kn Altitude is: h=10,000 ft The…

Q: An aircraft flying steady and level at true airspeed of 720 km/hr at sea level. The aircraft have…

A: Given that, Velocity of aircraft = V=720 km/hr=200 m/s Wing area of aircraft = S=187 m2 Thrust of…

Q: a) A group of researchers from UMP conducted a project collaboration with an aircraft company to…

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Q: - Use FoilSim to investigate how an aircraft wing produces lift and drag by changing the values of…

A: An airfoil produces lift by applying a downward constrain on the air because it flows past.…

Q: SOLVE STEP BY STEP IN DIGITAL FORMAT Explain different aircraft designs, configurations, or shapes…

A: Introduction The integration of new systems and technologies into existing and sophisticated…

Q: or dimension

A: given: A drag coefficient is a measurement of the force exerted by a specific fluid on a specific…

Q: Q4) Define the boundary layer, then find the thickness of boundary layer, shear stress, drag force…

A: