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As shown in the figure, the boxcar was IOft high, 6 ft. wide, and 40 ft....
Problem 5 A barge 20 ft wide and 40 ft long is loaded with rocks as...
Problem 5 A barge 20 ft wide and 40 ft long is loaded with rocks as shown below. Assume that the center of gravity of the rocks and barge is located along the centerline at the top surface of the barge. If the rocks and the barge weigh 200,000 lbf, will the barge float upright or tip over? Show your work. 8 ft 20 ft
1.(4 pts) A rectangular tank, shown in Figure A, is 4 ft long, 2 ft wide, and 3 ft high. Initiall...
1.(4 pts) A rectangular tank, shown in Figure A, is 4 ft long, 2 ft wide, and 3 ft high. Initially there is 4 fts of water in the tank and water starts flowing into the tank at the time t Let V (t) denote the volume of the water in the tank at the time t. The graph of V', the derivative of V, o ft3 is given in figure B, where t is in minutes, and V'in min...
2. (20 pts) Chapter 7 Dimensional Analysis, Similitude and Modeling The drag of a sonar transducer...
2. (20 pts) Chapter 7 Dimensional Analysis, Similitude and Modeling The drag of a sonar transducer is be predicted, based on wind tunnel test data. The prototype, a 1-ft diameter sphere, is to be towed at 5 knots (i.e. 8.44 ft/s) in seawater at 40°F. The model is 6 in. in diameter and the drag of the model is measured to be 0.6 lbf for wind tunnel air temperature at 70°F F 1) (5 pts) Use Buckingham Pi Theorem to...
a large block has dimensions 40 cm wide by 30 cm long by 5.0 cm high....
a large block has dimensions 40 cm wide by 30 cm long by 5.0 cm high. This block is passing through air at a speed of v=8.37 ms. Find the drag force acting on the block if it is travelling in the direction v1 and the drag coefficient C is 0.852. remember the equation for drag .854 .964 1.15 1.58
2. (20 pts) Chapter 7 Dimensional Analysis. Similitude and Modeling The drag of a sonar transducer...
2. (20 pts) Chapter 7 Dimensional Analysis. Similitude and Modeling The drag of a sonar transducer is to be predicted, based on wind tunnel test data. The prototype, a 1-ft diameter sphere, is to be towed at 5 knots (i.e. 8.44 ft/s) in seawater at 40°F. The model is 6 in. in diameter and the drag of the model is measured to be 0.6 lbf for wind tunnel air temperature at 70°F 1) (5 pts) Use Buckingham Pi Theorem to...
(40 pts) The simply supported beam shown in the figure below is being designed for shear. #3 stirrups (Grade 40) are to be used. 2. Wu = 4 kips/ft (includes self weight) wDL-1 kips/ft, wu...
(40 pts) The simply supported beam shown in the figure below is being designed for shear. #3 stirrups (Grade 40) are to be used. 2. Wu = 4 kips/ft (includes self weight) wDL-1 kips/ft, wu 1.75 kips/ft h= 18" d = 15" L=20ft- fe-4000 psi Yoon- 150 lbf/t E-29,000 ksi fy60 ksi 2 IS Draw the factored shear envelope for Vu c. d. Determine the resistance to shear provided by the concrete. Are there any regions where no shear stirrups...
50 mph A long semi-circular hut with a 2.44 m (8 ft) radius is exposed to...
50 mph A long semi-circular hut with a 2.44 m (8 ft) radius is exposed to extreme windy conditions in a desert. The wind blows uniformly at a speed of 22.4 m/s (50 mph) as shown in the figure. The upstream pressure is atmospheric (gage pressure = 0). Determine the resultant drag and lift forces exerted on the hut due to the wind Assume the pressure inside the hut is also at atmospheric pressure Problem Description Questions What are the...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (T = 10°C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the friction drag on...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (7 = 10"C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the friction drag on...
7. Air [R=1715 ft·lb/(slug R), cp = 6003 ft-lb/(slug-R)] flows steadily, as shown in the figure,...
7. Air [R=1715 ft·lb/(slug R), cp = 6003 ft-lb/(slug-R)] flows steadily, as shown in the figure, through a turbine which produces 700 hp. For the inlet and exit conditions shown, estimate (a) the exit velocity V2 and (b) the heat transferred in Btu per hour. Hint: The specific enthalpy of an ideal gas is h = CAT. w,700 hp Turbomachine D = 6 in P = 150 lb/in? Ti - 300°F V = 100 ft/s D -6 in P2 -...
Problem 5 A barge 20 ft wide and 40 ft long is loaded with rocks as shown below. Assume that the center of gravity of the rocks and barge is located along the centerline at the top surface of the barge. If the rocks and the barge weigh 200,000 lbf, will the barge float upright or tip over? Show your work. 8 ft 20 ft
1.(4 pts) A rectangular tank, shown in Figure A, is 4 ft long, 2 ft wide, and 3 ft high. Initially there is 4 fts of water in the tank and water starts flowing into the tank at the time t Let V (t) denote the volume of the water in the tank at the time t. The graph of V', the derivative of V, o ft3 is given in figure B, where t is in minutes, and V'in min...
2. (20 pts) Chapter 7 Dimensional Analysis, Similitude and Modeling The drag of a sonar transducer is be predicted, based on wind tunnel test data. The prototype, a 1-ft diameter sphere, is to be towed at 5 knots (i.e. 8.44 ft/s) in seawater at 40°F. The model is 6 in. in diameter and the drag of the model is measured to be 0.6 lbf for wind tunnel air temperature at 70°F F 1) (5 pts) Use Buckingham Pi Theorem to...
2. (20 pts) Chapter 7 Dimensional Analysis. Similitude and Modeling The drag of a sonar transducer is to be predicted, based on wind tunnel test data. The prototype, a 1-ft diameter sphere, is to be towed at 5 knots (i.e. 8.44 ft/s) in seawater at 40°F. The model is 6 in. in diameter and the drag of the model is measured to be 0.6 lbf for wind tunnel air temperature at 70°F 1) (5 pts) Use Buckingham Pi Theorem to...
(40 pts) The simply supported beam shown in the figure below is being designed for shear. #3 stirrups (Grade 40) are to be used. 2. Wu = 4 kips/ft (includes self weight) wDL-1 kips/ft, wu 1.75 kips/ft h= 18" d = 15" L=20ft- fe-4000 psi Yoon- 150 lbf/t E-29,000 ksi fy60 ksi 2 IS Draw the factored shear envelope for Vu c. d. Determine the resistance to shear provided by the concrete. Are there any regions where no shear stirrups...
50 mph A long semi-circular hut with a 2.44 m (8 ft) radius is exposed to extreme windy conditions in a desert. The wind blows uniformly at a speed of 22.4 m/s (50 mph) as shown in the figure. The upstream pressure is atmospheric (gage pressure = 0). Determine the resultant drag and lift forces exerted on the hut due to the wind Assume the pressure inside the hut is also at atmospheric pressure Problem Description Questions What are the...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (T = 10°C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the friction drag on...
Problem 1 (40%) A thin rectangular plate is 6 meters long and 0.8 meter wide. The plate is submerged (both sides) and held stationary in a stream of water (7 = 10"C) that has a velocity of 0.5 meters/second. a) (5%) What is the boundary layer thickness at a distance x = 0.5m downstream of the leading edge? b) (5%) What is the shear stress on the plate at the same point? c) (10%) What is the friction drag on...
7. Air [R=1715 ft·lb/(slug R), cp = 6003 ft-lb/(slug-R)] flows steadily, as shown in the figure, through a turbine which produces 700 hp. For the inlet and exit conditions shown, estimate (a) the exit velocity V2 and (b) the heat transferred in Btu per hour. Hint: The specific enthalpy of an ideal gas is h = CAT. w,700 hp Turbomachine D = 6 in P = 150 lb/in? Ti - 300°F V = 100 ft/s D -6 in P2 -...
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