Homework Answers
Add Answer to:
Air flows at a velocity of 8 m/s in a wind tunnel whose test section is...
You are conducting a wind tunnel test to measure the aerodynamic drag ("air resistance") over a...
You are conducting a wind tunnel test to measure the aerodynamic drag ("air resistance") over a cylinder. Apply the momentum principle for a control volume to relate the drag force per unit width, w, in terms of the upstream and downstream velocities and pressures. The upstream velocity is a uniform 15.6 m/s. The downstream horizontal velocity measurements are shown in the table below. Upstream pressure is 133.5 Pa (gauge) and downstream pressure is 0.0 Pa (gauge). The diameter of the...
For the air wind tunnel shown Honeycomb Flow Straightener Anti-Turbulence Screens Silencer Fan Diffuser Test Section...
For the air wind tunnel shown Honeycomb Flow Straightener Anti-Turbulence Screens Silencer Fan Diffuser Test Section Inlet Assuming a circular cross section, the atmospheric pressure is 101.325 kPa, density of air is 1.2 kg/m?, and absolute viscosity of air is 1.825*10-S Ns/m? (assume there are no losses in the wind tunnel) Contraction ratio: 7 Diffuser length: 3 m Test section diameter = test section length = 70 cm a) When a static-pitot tube placed in the test section with a...
X Incorrect Air is drawn into a wind tunnel used for testing automobiles as shown in...
X Incorrect Air is drawn into a wind tunnel used for testing automobiles as shown in the figure below. (a) Determine the manometer reading, h, when the velocity in the test section is 53 mph. Note that there is a 1-in. column of oil on the water in the manometer. (b) Determine the difference between the stagnation pressure on the front of the automobile and the pressure in the test section. Wind tunnel 53mph Open | 1 in. oil (SG...
5. The closed-circuit wind tunnel flows air with a velocity of 200 ft/s [between sections (5)...
5. The closed-circuit wind tunnel flows air with a velocity of 200 ft/s [between sections (5) and (6)] at standard condition. The picture and diagram of the wind tunnels are provided below. The flow is driven by a fan that essentially increases the static pressure by the amount pı - p9 that is needed to overcome the head losses experienced by the fluid as it flows around the circuit. Determine the pressure rise (pi - ps). Conditions) Assume air is...
The closed-circuit wind tunnel flows air with a velocity of 200 fu's (between sections (5) and...
The closed-circuit wind tunnel flows air with a velocity of 200 fu's (between sections (5) and (6)] at standard condition. The picture and diagram of the wind tunnels are provided below. The flow is driven by a fan that essentially increases the static pressure by the amount Pi-P that is needed to overcome the head losses experienced by the fluid as it flows around the circuit. Determine the pressure rise ( P P ) Conditions) Assume air is incompressible (Mach...
1. [20 pts] An indraft wind tunnel pulls air into an inlet, through a contraction, the...
1. [20 pts] An indraft wind tunnel pulls air into an inlet, through a contraction, the test section, and the diffuser, as shown below. The test section has a circular cross section and it has a diameter of 0.5 m. Assume the wind tunnel is at sea level and the temperature and pressure of the atmosphere are given by standard atmospheric conditions. (a) If the test section is designed to have a velocity of 200 m/s, determine the Mach number,...
A turbojet engine in a wind tunnel receives air at a velocity of U;= 100 m/s...
A turbojet engine in a wind tunnel receives air at a velocity of U;= 100 m/s and a density of p.= 1 kg/m'. The velocity is uniform and the cross-sectional area of the approaching stream which enters the engine is A = 0.1 m². The velocity of the exhaust jet from the engine, however, is not uniform but has a velocity which varies over the cross-section according to: u. = 2U (I-YIR) where the constant U= 600 m/s and R...
8) (1 point) Honeycomb Flow Straightener -Anti-Turbulence Screens Silencer Diffuser Fan Test Section Inlet The wind...
8) (1 point) Honeycomb Flow Straightener -Anti-Turbulence Screens Silencer Diffuser Fan Test Section Inlet The wind tunnel shown above is; a) open circuit/suction/low speed wind tunnel b) open circuit/blow-down low speed wind tunnel c) closed circuit/suction/supersonic wind tunnel d) closed circuit/blow-down/supersonic wind tunnel 9) For the air wind tunnel shown above in Q8: (6 points) Assuming a circular cross section, the atmospheric pressure is 101.325 kPa, density of air is 1.2 kg/m², and absolute viscosity of air is 1.825*10-Ns/m² (assume...
8) (1 point) Honeycomb Flow Straightener -Anti-Turbulence Screens Silencer Fan Test Section Diffuser Inlet The wind...
8) (1 point) Honeycomb Flow Straightener -Anti-Turbulence Screens Silencer Fan Test Section Diffuser Inlet The wind tunnel shown above is; a) open circuit/suction/low speed wind tunnel b) open circuit/blow-down/low speed wind tunnel c) closed circuit/suction/supersonic wind tunnel d) closed circuit/blow-down/supersonic wind tunnel 9) For the air wind tunnel shown above in Q8: (6 points) Assuming a circular cross section, the atmospheric pressure is 101.325 kPa, density of air is 1.2 kg/m°, and absolute viscosity of air is 1.825*10-5 Ns/m² (assume...
9) For the air wind tunnel shown above in Q8: (6 points) Assuming a circular cross...
9) For the air wind tunnel shown above in Q8: (6 points) Assuming a circular cross section, the atmospheric pressure is 101.325 kPa, density of air is 1.2 kg/m², and absolute viscosity of air is 1.825*10-Ns/m² (assume there are no losses in the wind tunnel) Contraction ratio: 7 Diffuser length: 3 m Test section diameter = test section length = 70 cm a) When a static-pitot tube placed in the test section with a manometer (manometer fluid is water with...
You are conducting a wind tunnel test to measure the aerodynamic drag ("air resistance") over a cylinder. Apply the momentum principle for a control volume to relate the drag force per unit width, w, in terms of the upstream and downstream velocities and pressures. The upstream velocity is a uniform 15.6 m/s. The downstream horizontal velocity measurements are shown in the table below. Upstream pressure is 133.5 Pa (gauge) and downstream pressure is 0.0 Pa (gauge). The diameter of the...
For the air wind tunnel shown Honeycomb Flow Straightener Anti-Turbulence Screens Silencer Fan Diffuser Test Section Inlet Assuming a circular cross section, the atmospheric pressure is 101.325 kPa, density of air is 1.2 kg/m?, and absolute viscosity of air is 1.825*10-S Ns/m? (assume there are no losses in the wind tunnel) Contraction ratio: 7 Diffuser length: 3 m Test section diameter = test section length = 70 cm a) When a static-pitot tube placed in the test section with a...
X Incorrect Air is drawn into a wind tunnel used for testing automobiles as shown in the figure below. (a) Determine the manometer reading, h, when the velocity in the test section is 53 mph. Note that there is a 1-in. column of oil on the water in the manometer. (b) Determine the difference between the stagnation pressure on the front of the automobile and the pressure in the test section. Wind tunnel 53mph Open | 1 in. oil (SG...
5. The closed-circuit wind tunnel flows air with a velocity of 200 ft/s [between sections (5) and (6)] at standard condition. The picture and diagram of the wind tunnels are provided below. The flow is driven by a fan that essentially increases the static pressure by the amount pı - p9 that is needed to overcome the head losses experienced by the fluid as it flows around the circuit. Determine the pressure rise (pi - ps). Conditions) Assume air is...
The closed-circuit wind tunnel flows air with a velocity of 200 fu's (between sections (5) and (6)] at standard condition. The picture and diagram of the wind tunnels are provided below. The flow is driven by a fan that essentially increases the static pressure by the amount Pi-P that is needed to overcome the head losses experienced by the fluid as it flows around the circuit. Determine the pressure rise ( P P ) Conditions) Assume air is incompressible (Mach...
1. [20 pts] An indraft wind tunnel pulls air into an inlet, through a contraction, the test section, and the diffuser, as shown below. The test section has a circular cross section and it has a diameter of 0.5 m. Assume the wind tunnel is at sea level and the temperature and pressure of the atmosphere are given by standard atmospheric conditions. (a) If the test section is designed to have a velocity of 200 m/s, determine the Mach number,...
A turbojet engine in a wind tunnel receives air at a velocity of U;= 100 m/s and a density of p.= 1 kg/m'. The velocity is uniform and the cross-sectional area of the approaching stream which enters the engine is A = 0.1 m². The velocity of the exhaust jet from the engine, however, is not uniform but has a velocity which varies over the cross-section according to: u. = 2U (I-YIR) where the constant U= 600 m/s and R...
8) (1 point) Honeycomb Flow Straightener -Anti-Turbulence Screens Silencer Diffuser Fan Test Section Inlet The wind tunnel shown above is; a) open circuit/suction/low speed wind tunnel b) open circuit/blow-down low speed wind tunnel c) closed circuit/suction/supersonic wind tunnel d) closed circuit/blow-down/supersonic wind tunnel 9) For the air wind tunnel shown above in Q8: (6 points) Assuming a circular cross section, the atmospheric pressure is 101.325 kPa, density of air is 1.2 kg/m², and absolute viscosity of air is 1.825*10-Ns/m² (assume...
8) (1 point) Honeycomb Flow Straightener -Anti-Turbulence Screens Silencer Fan Test Section Diffuser Inlet The wind tunnel shown above is; a) open circuit/suction/low speed wind tunnel b) open circuit/blow-down/low speed wind tunnel c) closed circuit/suction/supersonic wind tunnel d) closed circuit/blow-down/supersonic wind tunnel 9) For the air wind tunnel shown above in Q8: (6 points) Assuming a circular cross section, the atmospheric pressure is 101.325 kPa, density of air is 1.2 kg/m°, and absolute viscosity of air is 1.825*10-5 Ns/m² (assume...
9) For the air wind tunnel shown above in Q8: (6 points) Assuming a circular cross section, the atmospheric pressure is 101.325 kPa, density of air is 1.2 kg/m², and absolute viscosity of air is 1.825*10-Ns/m² (assume there are no losses in the wind tunnel) Contraction ratio: 7 Diffuser length: 3 m Test section diameter = test section length = 70 cm a) When a static-pitot tube placed in the test section with a manometer (manometer fluid is water with...
Most questions answered within 3 hours.
-
Lakeside Motors will sell you a $9000 car for $225 a month for 60
months. What...
asked 1 minute from now -
What are some of the methods that creditors use to
reduce risk in credit transactions?
asked 3 minutes ago -
1 Explain HOW you would use the scientific method to test
which helps kids lose weight:...
asked 11 minutes ago -
1. Find the following z values for the standard normal
variable Z. (You may find it...
asked 8 minutes ago -
how immigrants foster innovations and how it lead to economic
growth of the host country????
"Not...
asked 9 minutes ago -
The normal-curve approximation can also be used for discrete
distribution other than the binomial distribution. For...
asked 12 minutes ago -
Given the complexities involved with supply chains, might it
make sense for a business to vertically...
asked 11 minutes ago -
MARKET EFFICIENCY IN-CLASS WORKSHEET 2 This question examines
the market for peanut butter. You will use...
asked 25 minutes ago -
An ideal gas (which is is a hypothetical gas that conforms to
the laws governing gas...
asked 27 minutes ago -
. If economic profits exist in perfect competition, in the long
run firms will enter because...
asked 32 minutes ago -
calculate the oxidation state of carbons C18H36O2 and
C18H36018
and then calculated the number of electrons...
asked 46 minutes ago -
Please respond to each of the below questions in a minimum of 5
well written paragraphs...
asked 40 minutes ago