How is head loss related to pressure loss? A. Head loss is the same as the...
How is head loss related to pressure loss?
A. Head loss is the same as the pressure measured with a manometer with fluid height equal to the head loss
B. Head loss is the same as the pressure difference measured with a pitot tube with fluid height equal to the head loss
C. Head loss is the pressure lost due to irreversible processes
D. Pressure loss is due to irreversible processes like viscosity
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How is head loss related to pressure loss?
A. Head loss is the same as the...
Due to dynamic pressure Due to static pressure Datum Pitot tube OS 009 8) How would...
Due to dynamic pressure Due to static pressure Datum Pitot tube OS 009 8) How would the height h change if one changes the elevation of the point B (i.e., bringing the pitot tube up or down). What happens if B reaches the bottom of the channel? Explain. 10
Water flows steadily downwards through a circular pipe of internal diameter 0.15 m inclined at 30°...
Water flows steadily downwards through a circular pipe of internal diameter 0.15 m inclined at 30° to the horizontal. A U-tube manometer is used to determine the pressure difference between two points displaced axially along the pipe by a distance 1.25 m. The reading on the manometer is 0.25 m of mercury. 1.25 m 0.15 m 30 0.25 m mercury Figure 2: Manometer and pipe Neglecting the thickness of the wall, determine between points 1 and 2: a. The difference...
12) As shown in fig. an open-tube manometer containing water (p.-10 kg/m') and mercury (p-1.36x 10...
12) As shown in fig. an open-tube manometer containing water (p.-10 kg/m') and mercury (p-1.36x 10 kg/m). The height of water in the left column above the interface A is h' - 30 cm, while the height of mercury in the right column above B is h - 20 cm. The right column is open to the atmosphere Patm - 1.01 10 Pa. The pressure P in the container is: a) P-1.25x10 Pa a) P=0.56*10Pa b) P-4.29x109 Pa d) P-2.46x10*...
Honeycomb Flow Straightener - Anti-Turbulence Screens Silencer Fan Test Section Diffuser Iniet Assuming a circular cross...
Honeycomb Flow Straightener - Anti-Turbulence Screens Silencer Fan Test Section Diffuser Iniet 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/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 manometer (manometer fluid is water...
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...
For which case will the viscosity increase, keeping all other factors constant? a. The force applied...
For which case will the viscosity increase, keeping all other factors constant? a. The force applied to the surface of the fluid increases b. The height of the fluid column decreases c. The velocity of the fluid increases d. The cross-sectional area increases If the flow rate and time are known, what else about the fluid can be found? a. Pressure b. Cross-section area c. Volume d. Velocity For which case will the flow rate decrease for Poiseuille flow? a....
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...
Honeycomb Flow Straightener Anti-Turbulence Screens Silencer Fan Diffuser Test Section Inlet 9) For the air wind...
Honeycomb Flow Straightener Anti-Turbulence Screens Silencer Fan Diffuser Test Section Inlet 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...
A pitot tube is used to measure the velocity of an air stream. The air has...
A pitot tube is used to measure the velocity of an air stream. The air has a temperature of 18°C and a pressure of 105 kPa 12 mm Hg If the differential height in a mercury manometer is 12 mm and the air is incompressible, the air velocity is most nearly (A) 38 m/'s o (B) 43 m/s (C) 48 ms (D) 50ms
6: (a) Use the scaling laws to estimate the change of volumetric flow and pressure drop per unit length in a circular tube if the radius of the tube is reduced by a factor of 10. The pressure dro...
6: (a) Use the scaling laws to estimate the change of volumetric flow and pressure drop per unit length in a circular tube if the radius of the tube is reduced by a factor of 10. The pressure drop in a capillary tube is given by AP- 8uVavg.Lia. Here, L length of tube, a is the radius, g is the average speed of fluid and u is the viscosity). (b) Evaluate the resistance per unit length (R/L) for water flow...
Due to dynamic pressure Due to static pressure Datum Pitot tube OS 009 8) How would the height h change if one changes the elevation of the point B (i.e., bringing the pitot tube up or down). What happens if B reaches the bottom of the channel? Explain. 10
Water flows steadily downwards through a circular pipe of internal diameter 0.15 m inclined at 30° to the horizontal. A U-tube manometer is used to determine the pressure difference between two points displaced axially along the pipe by a distance 1.25 m. The reading on the manometer is 0.25 m of mercury. 1.25 m 0.15 m 30 0.25 m mercury Figure 2: Manometer and pipe Neglecting the thickness of the wall, determine between points 1 and 2: a. The difference...
12) As shown in fig. an open-tube manometer containing water (p.-10 kg/m') and mercury (p-1.36x 10 kg/m). The height of water in the left column above the interface A is h' - 30 cm, while the height of mercury in the right column above B is h - 20 cm. The right column is open to the atmosphere Patm - 1.01 10 Pa. The pressure P in the container is: a) P-1.25x10 Pa a) P=0.56*10Pa b) P-4.29x109 Pa d) P-2.46x10*...
Honeycomb Flow Straightener - Anti-Turbulence Screens Silencer Fan Test Section Diffuser Iniet 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/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 manometer (manometer fluid is water...
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...
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...
Honeycomb Flow Straightener Anti-Turbulence Screens Silencer Fan Diffuser Test Section Inlet 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...
A pitot tube is used to measure the velocity of an air stream. The air has a temperature of 18°C and a pressure of 105 kPa 12 mm Hg If the differential height in a mercury manometer is 12 mm and the air is incompressible, the air velocity is most nearly (A) 38 m/'s o (B) 43 m/s (C) 48 ms (D) 50ms
6: (a) Use the scaling laws to estimate the change of volumetric flow and pressure drop per unit length in a circular tube if the radius of the tube is reduced by a factor of 10. The pressure drop in a capillary tube is given by AP- 8uVavg.Lia. Here, L length of tube, a is the radius, g is the average speed of fluid and u is the viscosity). (b) Evaluate the resistance per unit length (R/L) for water flow...
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