Question

The drag coefficient of a car at the design conditions of 1 atm, 70°F, and 60 mi/h is to be determined experimentally in a large wind tunnel in a full-scale test. The frontal area of the car is 22.26 ft2. If the force acting on the car in the flow direction is measured to be 68 lbf, determine the drag coefficient of this car.

Wind tunnel
60 mi/h
FD
Expand
Transcribed Image Text

Wind tunnel 60 mi/h FD

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Engineering
Mechanical Engineering

Fluid Mechanics

Related Mechanical Engineering Q&A

Find answers to questions asked by students like you.

Q: The flexible cable used to tether the balloon shown in Fig. PS-104 weighs 7.0 N/m and is 100 m long....

A: Given data: *The weight of the cable per metre is W=7 N/m. *The vertical buoyant force of the balloo...

Q: This engine is used in a hoist. Motor 2.5 kWwith the help of gears with a power of and n = 500 rpm.t...

A: Click to see the answer

Q: A particular frost-free refrigerator uses about 745 kWh of electrical energy per year. Express this ...

A: Click to see the answer

Q: (b) A hollow shaft, having an inside diameter of 60% of its outer diameter, is to replace a solid sh...

A: It is given that the material, power transmitted and the speed of the both shafts is same. Torque fo...

Q: 6-27. Locate the centroid y of the area. ута 100 mm -100 mm-

A: The curve and line expressions are given as, The area of the shaded part is given as,  

Q: Gasoline at 20°C flows at 105 m3/h in a 10-cm-diameterpipe. We wish to meter the flow with a thin-pl...

A: Given data: The discharge of the gasoline is Q=105 m3/h. The diameter of the pipe is d=10 cm. The pr...

Q: Disk A has a mass mA = 4 kg, a radius rA = 300 mm, and an initial angular velocity ω0 = 300 rpm cloc...

A: Disk A Mass = 4 kg Radius = 300 mm Angular velocity = 300 rpm clockwise Disk B Mass = 1.6 kg Radius ...

Q: The two forces act on a bolt at A. Determine theirresultant.(graphical solution)

A: Applying the graphical method First of all, a parallelogram with sides equal to P and Q is drawn. Th...

Q: A self-priming centrifugal pump is used to pump water at 25°C from a reservoir whose surface is 2.2 ...

A: The data given is, Diameter, D = 26 mm = 0.026 m Length, L = 2.8 m Total minor losses, KL = 0.85 + ...

Q: The blade of a portable saw and the rotor of its motor have a total weight of 2.5 lb and a combined ...

A: Given data: Rotation of blade,  w1 = 1500 rpm Total weight, W = 2.5 lb. Radius of gyration, kz = 1.5...

Q: The device shown is used to mix soils in order to provide in-situ stabilization. If the mixer is con...

A: Write the given data:  

Q: A particle travels along a straight line with a velocity of v = (4t - 3t^2) m/s, where t is in secon...

A: Click to see the answer

Q: A 1.62-oz golf ball is hit with a golf club and leaves it with a velocity of 100 mi/h. We assume tha...

A: Click to see the answer

Q: *18-52. The two 12-kg slender rods are pin connected and released from rest at the position 6 = 60°....

A: Write the given data: Understand the following diagram for the initial and final position of the sy...

Q: A compressed liquid may be approximated as a saturated liquid

A: Any  fluid is considered as a  compressed fluid if it is at a temperature lower than the saturation ...

Q: A wind turbine with two or four hollow hemispherical cups connected to a pivot is commonly used to m...

A: Given Data: The wind speed is: v=15 m/s. The diameter of the cup is: d = 8 cm The density of the ai...

Q: For the beam and loading shown, determine (a) the deflection at point C, (b) the slope at end A.

A: On applying superposition theorem, considering only load P at point B The deflection at point C due ...

Q: Consider a thermal energy reservoir at 1500 K that can supply heat at a rate of 150,000 kJ/h. Determ...

A: Given: The temperature of the thermal reservoir is T1=1500 K. The temperature of the environment is ...

Q: In response to concerns about the environment, some major car manufacturers are currently marketing ...

A: Electric vehicles(EVs) or electric cars are now gaining popularity and are being manufactured at a g...

Q: A grist mill of the 1800s employed a waterwheel that was 14 m high; 480 L/min of water flowed onto t...

A: Given: The height of the water wheel is H=14 m. The volume flow rate of the water on the wheel is V=...

Q: When a 20-lb weight is suspended from a spring, the spring is stretched a distance of 4 in. Determin...

A: Calculate the stiffness of the spring by using the relation for force in a spring. Here, F is the f...

Q: Determine the vertical displacement of point C of the A992 steel beam. I = 80(106) mm4.

A: Given data: *The moment of inertia of the steel beam is I=80×10^4 mm4. *The young’s modulus of the A...

Q: 4-10. The dimensions of a jib crane are given in the figure. The crane has a mass of 800 kg and a ce...

A: Given data: Maximum resultant load at A, RA = 24 kN Maximum resultant load at B, RB = 34 Kn Mass of ...

Q: *12–196. The motor at C pulls in the cable with an acceleration ac = (3r²) m/s², where t is in secon...

A: Write the given data: Draw the free body diagram: Where point C represents the movement of the cab...

Q: Consider a TV set that consumes 120 W of electric power when it is on and is kept on for an average ...

A: Given: The average time per day TV is kept on is t=6 h The power consumes by the TV is P=120 W The u...

Q: Collar A is connected as shown to a 50-lb load and can slide on a frictionless horizontal rod. Deter...

A: Draw the free body diagram of force acting at the collar. Also, draw the force triangle diagram.  

Q: The dry bulb and wet bulb temperatures of a room are measured as 30C and 20C, respectively. After mo...

A: The two points are shown on the psychometric chart below. Initial point -1 Final point -2

Q: What is the caloric theory? When and why was it abandoned?

A: Caloric theory :- According to caloric theory the heat is odor less, colorless, massless and tastele...

Q: An 8-in.-diameter cylindrical duct and a 4x 8-in. rectangular duct are to be joined as indicated. Kn...

A: Assume that the body is homogeneous so that its center of gravity coincides with the centroid of the...

Q: Water at 20°C flows past a 1-m-diameter circular cylinder.The upstream centerline pressure is 128,50...

A: Given data as per the question The diameter of pipe = 1 m Centerline pressure = 28500 pa For water a...

Q: 4. (a) Determine the force in each member of the truss shown in Figure 4a and state if the members a...

A: Click to see the answer

Q: 6-54. Locate the center of mass of the assembly. The assembly consists of a cylindrical center core,...

A: Calculate the masses of each part A, B and C separately and their respective z coordinate separately...

Q: drag is 125 kN and the flight path angle is 6°. Determine the angle of attack and the thrust require...

A: Given that, The steady-state diagram is showing below,  

Q: R5-1. Determine the force in each member of the truss and state if the members are in tension or com...

A: Consider the horizontal and vertical reactions at support A are RAH and RAV respectively and the rea...

Q: When a capillary tube of small diameter D is inserted into a container of liquid, the liquid rises t...

A: Write the dimensions of the given parameters.

Q: The maximum allowable value of each of the reactions is 180 N. Neglecting the weight of the beam, de...

A: Drawing the FBD of the given figure: Here, RA = Reaction at point A RBY = Vertical reaction at poin...

Q: One kilogram of R-134a fills a 0.14-m3 weighted piston–cylinder device at a temperature of –26.4°C. ...

A: Given, m = 1 KG T1= -26.4°C T2 = 100°C V1 = 0.14 m3 In refrigeration tables, there is -26°C and -28°...

Q: Portions of a 1/2 x 1/2 -in. square bar have been bent to form the two machine components shown. Kno...

A: Given Data: The coss-sectional area of the squer bar is: 0.5 X 0.5 in2. The allowable stress is : σ...

Q: 6-53. The composite plate is made from both steel (A) and brass (B) segments. Determine the weight a...

A: Given Data: The density of steel is ρst = 7.85 Mg/m3. The density of brass is ρbr = 8.74 Mg/m3. The...

Q: An 8-kg cylinder C rests on a 4-kg platform A supported by a cord that passes over the pulleys D and...

A: Given data as per the question mass of block A = 4 kg mass of block C = 8 kg mass of block B = 4 kg ...

Q: *15-48. Blocks A and B have masses of 40 kg and 60 kg, respectively. They are placed on a smooth sur...

A: Given data: Stretch of the spring, s = 2 m Stiffness of the spring , k = 180 N/m mA = mass of block ...

Q: When the temperature is at 30°C, the A-36 steel pipe fits snugly between the two fuel tanks. When fu...

A: Draw the temperature variation along the pipe.