Air 50 mi/h 80°F

Q: During a high Reynolds number experiment, the total drag force acting on a spherical body of…

A: Given data, From stokes equation,

Q: Consider 0.8-cm-diameter hail that is falling freely in atmospheric air at 1 atm and 5°C. Determine…

A: Given data Diameter = 0.8 cm = 0.008 mDensity of hail = 910 kg/m3Density of air = 1.269…

Q: In the laminar flow of air (Pr = 0.7) over a heated plate, if 8 and 8, denote, respectively, the…

A: Given:Prandtl number, Pr=0.7

Q: At highway speeds, about half of the power generated by the car’s engine is used to overcome…

A: Given data: Velocity when a person drives normally, V1 = 55 mi/h Velocity when a person drives…

Q: Required information -0.5 where x Air flowing over a 1-m-long flat plate at a velocity of 7 m/s has…

A: To obtain the velocity gradient of air on the plate, we must first calculate the shear stress acting…

Q: How important is the study of aerodynamics in designing an aircraft and the effect on performance

A: How important is the study of aerodynamics in designing an aircraft and the effect on performance?

Q: The drag coefficient of a car at the design conditions of 1 atm, 70°F, and 60 mi/h is to be…

A: The drag force on an object can be expressed as,   Given data in SI units is The density of air at…

Q: By which part of the Aircraft is mainly produced the "Induced drag" ??

A: Lift causes induced drag, which is unavoidable.

Q: 5 Air at 90°C and 1 atm flows over a flat plate at a velocity of 30 m/s. How thick is the boundary…

A:

Q: An automotive engine can be approximated as a 0.4-m-high, 0.60-m-wide, and 0.7-m-long rectangular…

A: Given data: *The height of the automotive engine is h=0.4 m. *The width of the automotive engine is…

Q: how does drag coefficient vary with the Reynolds number? a) low and moderate Reynolds numbers and at…

A: Fluid mechanics

Q: The power delivered to the wheels of a car is used to overcome aerodynamic drag. Compare the amount…

A:

Q: To reduce the drag coefficient and thus to improve the fuel efficiency, the frontal area of a car is…

A: Given that, The drag force on the car will be –

Q: In flow over bluff bodies such as a cylinder, how does the pressure drag differ from the friction…

A: The pressure drag is generated due to the shape of the object and it depends on the flow of…

Q: A 70 kg bicyclist is riding her 15 kg bicycle downhill on a road with a slope of 8º without pedaling…

A: terminal velocity is reached  when there is no external force acting on the body that is in this…

Q: A 70 kg bicyclist is riding her 15 kg bicycle downhill on a road with a slope of 8° without pedaling…

A:

Q: A circular sign has a diameter of 50 cm and is subjected to normal winds up to 150 km/h at 10°C and…

A: The diameter of circular sign, D = 50 cm. Wind velocity, V = 150 km/h. Pressure applied on the…

Q: A 5-mm-diameter electrical transmission line is exposed to windy air. Determine the drag force…

A: Given data: The diameter of the electrical transmission line, d = 5 mm. The velocity of wind…

Q: During a winter day, wind at 55 km/h, 5°C, and 1 atm is blowing parallel to a 4-m-high and 10-m-long…

A: Given data velocity of wind 55 km/hr = 15.27 m/sec height of the wall h = 4m length of the wall L =…

Q: A circular sign has a diameter of 50 cm and is subjected to normal winds up to 150 km/h at 10°C and…

A: Before solving we have to make some assumptions as follows: The flow of air is steady and…

Q: Water at a velocity of 1.0 m/s flows along the length of one side of a flat plate that is 2 meters…

A:

Q: , A small aircraft has a wing area of 40 m2a lift coefficient of 0.45 at takeoff settings, and a…

A:

Q: Briefly explain laminar, transition and turbulent flow based on boundary layer separation.

A: Boundary layer separation. The detachment of a boundary layer from a surface into a wake is known as…

Q: During a winter day, wind at 58 km/h, 5°C, and 1 atm is blowing parallel to a 3.5-m-high and…

A: Given : The velocity of the wind = 58 km/hr The temperature of the air T = 5°C The pressure of the…

Q: To reduce the drag coefficient and thus to improve the fuel efficiency, the frontal area of a car is…

A: Given details: Ai=18 ft2Ao=15 ft2d=12000 mi=12000×5280=63360000ftv=55…

Q: 2- Air (v = 1.8×10° m/s) flows along a flat plate with a velocity of 150 km/hr. How long does the…

A:

Q: A 0.80-m-diameter, 1.2-m-high garbage can is found in the morning tipped over due to high winds…

A: Draw diagram of can when it is just to lift about point P, Given

Q: A tennis ball with a mass of 57 g and a diameter of 6.4 cm is hit with an initial velocity of 105…

A: Without Spin ,  When we hit the ball horizontally it will be goes down due to effect of Gravity.…

Q: What effect does increasing the Reynolds number have on coefficient of lift and drag?

A: we know that Reynolds no. is defined as the ratio between flow inertia and viscosity.

Q: During flow over a given slender body such as a wing, the lift force, the upstream velocity, and the…

A: Answer : The lift force depends upon Density of fluid Upstream Velocity Size, shape and orientation…

Q: A person extends his uncovered arms into the windy air outside at 1 atm and 60°F and 25 mi/h in…

A: Given data: The properties of air at 1 atm and 60 degrees Fahrenheit is

Q: An airplane has a total mass of 35,000 kg and a wing planform area of 65 m2. The airplane is…

A: Given: the velocity of the plane, V=1100 km/h=1100×10003600=305.556 m/s Ballance the lift force with…

Q: The velocity profile for a turbulent boundary layer over a flat plate is to be approximated by the…

A: The given velocity profile is – The two boundary conditions for boundary layer flow is – From…

Q: What is the effect of streamlining on (a) friction drag and (b) pressure drag? Does the total drag…

A: Effect of streamlining on:

Q: During a winter day, wind at 70 km/h, 5°C, and 1 atm is blowing parallel to a 4-m-high and 15-m-long…

A: Velocity of wind = 70 km/h = 19.444 m/s The pressure of the air = 1 atm Length of the wall = 15m…

Q: Which parameter does not affect an earlier occurrence of the transition of Laminar flow to turbulent…

A: Laminar flow is the characteristics of flow that occurs when a fluid flows in parallel layers,…

Q: A 2-m-long, 0.2-m-diameter cylindrical pine log (density = 513 kg/m3) is suspended by a crane in the…

A: Given, The density of the log, ρ=513 kg/m3 The diameter of the log, D=0.2 m The length of the log,…

Q: During flow over a given body, the drag force, the upstream velocity, and the fluid density are…

A: Drag force is the resistive force exerted by a fluid due to its motion. Drag force is supposed to…

Q: What is flow separation? What causes it? What is the effect of flow separation on the drag…

A: Flow separation It is a process in which the boundary layer of the fluid detaches itself from the…

Q: Show the boundary layer development along the plate and define the characteristics of boundary layer…

A: Given:

Q: The drag coefficient of a vehicle increases when its windows are rolled down or its sunroof is…

A: Given data: The frontal area of the car, A = 18 ft2. Drag coefficient when the sunroof is closed,…

Q: What is necessary to increase the Lift to Drag ratio and its Maximum value?

A:

Q: Define the planform area of a body subjected to external flow. When is it appropriate to use the…

A: Planform area: Plan area of an object is taken as the planform area. The plan is the view of the…

Q: How does the Reynolds number effect the lift and drag coefficient for a symmetrical airfoil

A:

Q: (b) A smooth thin plate 10 m long and 1 m wide is placed in an air stream at 3 m/s with its length…

A: As per bartleby guidelines we are allowed to solve only 1st question if multiple questions are…

Q: A 3-m-high, 6-m-wide rectangular advertisement panel is attached to a 6-m-wide, 0.15-m-high…

A: From the given data,

Q: Define the frontal area of a body subjected to external flow. When is it appropriate to use the…

A: Frontal area is the projected area of the body to a plane which is normal to the flow of the fluid.…

Q: The passenger compartment of a minivan traveling at 50 mi/h in ambient air at 1 atm and 80°F is…

A: Given data *The speed of the minivan is V = 50 mi/h = 50 × 1.46667 ft/s = 73.3335 ft/s *The length…