6. a. Explain (include diagrams) the following components of Total drag on a solid object placed in a moving fluid. Include in your discussion how these components vary as the orientation of the object changes in the flow field: i) Pressure Drag ii) Friction Drag b. An antenna in the shape of a cylindrical rod projects from the top of an automobile. If the antenna is 106 cm long and 50 mm in diameter, calculate the drag force on it when the automobile is travelling at a velocity of 7.5 m/s in still air at -20°C Assume the surface of the structure is smooth.

6. a. Explain (include diagrams) the following components of Total drag on a solid object placed in a moving fluid. Include in your discussion how these components vary as the orientation of the object changes in the flow field: i) Pressure Drag ii) Friction Drag b. An antenna in the shape of a cylindrical rod projects from the top of an automobile. If the antenna is 106 cm long and 50 mm in diameter, calculate the drag force on it when the automobile is travelling at a velocity of 7.5 m/s in still air at -20°C Assume the surface of the structure is smooth.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: A moving load at a speed of 4.09 mph hạs a tire pressure of 80 psi and a tire contact radius of 6…

Q: Q2. A 40 mm diameter jet has a velocity of 25 m/s. Calculate the resultant force on a large flat…

A: Given data in question Diameter 40 mm Velocity 25 m/s To find out Force

Q: A 40 mm diameter plastic sphere (SG = 1.5) settles in a still water body. The required chart is as…

A: Given data: A smooth sphere Diameter of sphere=40 mm=4 cm Radius of sphere=2 cm SG of sphere=1.5…

Q: The picture below shows a glider of mass M being pulled to the left via a diagonal cable attached to…

A: To draw the free body diagram of the glider. Given, mass of the glider = M The forces acting on…

Q: Q2. A fluid flows through a fixed (i.e., not rotating) curved pipe of uniform diameter 15 cm with a…

A: The given curved pipe of uniform diameter, 15 cm. The given velocity is, 3t m/s. The given value of…

Q: In reference to the figure below, if force, P = 50 N is applied to the handle of the 200 kg cart…

Q: You pass by a building site and see a crane that lifts loads to upper floors of a building under…

A: Given : d = 1.00 ml = 6.00 mm1 = 2875…

Q: Use Bemollis equation to estimate the upward force on an airplane's wing if the average flow speed…

Q: We can measure fluid viscosity by shearing the fluid between two concentric cylinders, as shown at…

A: The property of viscosity of a fluid causes a resistance (shear sress) to develop between adjacent…

Q: Problem 2: The free rolling solid sphere of weight W is placed on an inclined surface at an angle e…

Q: mart which is moving at a constar k. The jet is deflected at an a er as 1000 kg/m'. Neglecting th…

Q: For the figure shown below, the pressure air is 250kPa gage. If we neglect friction, what is the…

A: Pressure is a different quantity than the amount of difficulty in the fluid is experiencing by the…

Q: vane and the fluid, the magnitude of the force exerted by water on the cart in the x-direction, in…

Q: A 40 mm diameter plastic sphere (SG = 1.5) settles in a still water body. The required chart is as…

Q: 3. Determine drag on the sphere for flow past a sphere (see the figure below) using these parameters…

Q: Consider a fluid travelling along a circular trajectory. Assume the fluid is inviscid and that the…

A: Given data- Density of the fluid ρ= 1g/cm3radius r= 10 cmspeed V = 3 cm/sTo Find-The pressure…

Q: Express the moment of the couple acting on the pipe assembly in Cartesian vector form. (Figure 1)…

A: Given: Force at B = 20 lb Force at C = -20 lb Coordinates x y z A 0 0 0 (0,0,0) B -1 3 0…

Q: You are lowering two boxes, one on top of the other, down the ramp shown in the figure (Figure 1) by…

A: both boxes move together at a constant speed of v=12 cm/s .the coefficient of kinetic friction…

Q: Determine the magnitude P of the vertical force required to lift the wheelbarrow free of the ground…

A: Total weigth of wheel barrow and load = 264 lb

Q: The figure below shows, at left, a sold wheel of radius R 0.600 m and mass 60.0 kg. Mounted directly…

A: As per guidelines we need to answer only first question so please repost rest questions separately.

Q: 4 ft 2 ft A

Q: A fluid is between two parallel horizontal plates as depicted above. The bottom plate is stationary…

A: Velocity gradient is the change in velocity per unit length/(Or height) in a fluid

Q: 2 A woman pushes a lawn mower with a force of 80 N. If the handle of the lawn mower is 40° above the…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Question

6.
a. Explain (include diagrams) the following components of Total drag on a solid object placed
in a moving fluid. Include in your discussion how these components vary as the orientation
of the object changes in the flow field:
i) Pressure Drag
ii) Friction Drag
b. An antenna in the shape of a cylindrical rod projects from the top of an automobile. If the
antenna is 106 cm long and 50 mm in diameter, calculate the drag force on it when the
automobile is travelling at a velocity of 7.5 m/s in still air at -20°C Assume the surface of
the structure is smooth.
Page 4 of 8
D = 2 Copv²A
%3D

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

Determine the amount of work done by you and a friend when each of you push on a car that has run out of gas. Assume you and your friend each push with a horizontal force with a magnitude of 200 N, a distance of 100 m. Also, suggest ways of actually measuring the magnitude and the direction of the pushing force.
The acceleration of a particle is defined by the piecewise linear function of the a-t graph shown below. A. Determine its velocity at time t1, t2, and t3. B. Determine its position at time t1, t2, and t3. C. Determine its position, velocity, and position at t4. Note: t1, t2, t3, a1, a2, and a3 should be variable inputs in your worksheet, assume it initially as any number between 0100. Where t4 is between 0 – t3
Question 1/14 In the figure, two blocks are attached to each other by a massless string that is wrapped around a frictionless pulley. When the bottom 4.00-kg block is pulled to the left by the constant force P, the top 2.00-kg block slides across it to the right. Find the magnitude of the force on the string in kg. Assume that the coefficient of kinetic friction between all surfaces is 0.400. 2.0 kg 4.0 kg O 1.0 1P
Help me to solve this.
" A mobile is a type of kinetic sculpture constructed to take advantage of the principle of equilibrium. Mobiles are popular in the nursery, where they hang over cribs to give infants entertainment and visual stimulation." Let us take the mobile shown below to be in equilibrium. If Fish A weighs 223 grams, determine the total weight (in kilograms) of all the four fish in the mobile. Use a = 5.36 cm, b = 2.32 cm., c = 6.85 cm., d = 2.08 cm., e = 5.78 cm., f = 2.47 cm. Answer is 0.738. Show your solution.
Please help me answer this question and please show the solution for each indicated problem. A pitcher throws a fast ball that is moving at a speed of 80 mph. The batter hits the ball in the direction shown. The ball leaves the bat at a speed of 190 mph. If the bat and the ball are in contact for 0.030 seconds, determine the average impulse force exerted on the ball by the batter during the impact. The ball weighs 0.40 lbs.
A mass of 3.0kg is projected with a speed of 5.6m/s up a plane inclined 33 degrees with the horizontal. If coefficient of kinetic friction is 0.21, determine the distance it will travel before it stops.NOTE: use 3 decimal places
Calculate the following by showing your solutions and illustrations: A horizontal pipe curves through a deflection angle of 60° and in the bend changes from 900 mm in diameter to 600 mm the velocity in the larger pipe is 2.4 m/s, and the mean pressure is 140 kPa. Compute the components of the total force exerted on the bend, that are parallel and normal to the axis of the 900 mm pipe. 1.
Question If R is the resultant force of the forces system as shown in Figure (1). Determine the magnitude of the force F and its direction a, then what is the distance y which makes the moment about point O equal to zero? 50 1500 N.m 60 R 630 N 600 N 400 N Figure (1) 3 m 3 m
SITUATION 3: A system of block is interconnected with each other as shown in the figure. If the coefficient of kinetic friction under block A is 0.30, and under block B is 0.20, find the: 7. Acceleration of the system. 8. The tension in the cord supporting block A. 9. The tension in the cord supporting blocks A and B. 200KN 500KN 100KN
The figure shown a motor pulling an object in an in clined surface determine the power required to move the object at a constant speed of 3.5m/s. The coefficient of friction between the object and the inclined surface is 0.20.
Also find Nq, hmax,