When the hydrofoil shown was tested, the minimum pressure on the surface of the foil was...

Question

Question

When the hydrofoil shown was tested, the minimum pressure on the surface of the foil was found to be 75 kPa absolute when the

engineering Mechanical-Engineering

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

solution (a Absolute pressure of Almopphie P2 11-325kpa (co Absolute smitte water at the depths of hydrofoil Poz Patm +1.8yr Now by considning 4 м?h?мои руци щиро» «КІШ Vpz Umin= 1.2282 lepa Precuere coebelient үз Prin-po (Avot)/2 — 2:443= 1928- 1898

Add a comment

Answer 2

Similar Homework Help Questions

When the hydrofoil shown was tested, the minimum pressure on the surface of the foil was...

When the hydrofoil shown was tested, the minimum pressure on the surface of the foil was found to be 75 kPa absolute when the foil was submerged 1.8 m and towed at a speed of 6 m/s. At the same depth, at what speed will cavitation first occur? Assume irrotational flow for both cases and T = 10 °C. (a) What is the absolute value of the minimum pressure when cavitation occurs? Pcay = kPa (b) What is the value...
When the hydrofoil shown was tested, the minimum pressure on the surface of the foil was...

When the hydrofoil shown was tested, the minimum pressure on the surface of the foil was found to be 80 kPa absolute when the foil was submerged 1.9 m and towed at a speed of 7 m/s. At the same depth, at what speed will cavitation first occur? Assume irrotational flow for both cases and T = 10 °C. Water = 10°C (50°F) (a) What is the absolute pressure of the atmosphere? kPa (b) What is the specific weight of...
When the hydrofoil shown was tested, the minimum pressure on the surface of the foil was...

When the hydrofoil shown was tested, the minimum pressure on the surface of the foil was found to be 75 kPa absolute when the foil was submerged 1.8 m and towed at a speed of 6 m/s. At the same depth, at what speed will cavitation first occur? Assume irrotational flow for both cases and T = 10 °C. The approach is to determine the pressure coefficient for the minimum pressure at the given speed, and then use this pressure...

At sea level, water boils at 100 °C, and the absolute atmospheric pressure is 101 kPa....

At sea level, water boils at 100 °C, and the absolute atmospheric pressure is 101 kPa. As the atmospheric pressure above water decreases, the temperature required for boiling also decreases, at a rate of 3.1 kPa per "C. For the system shown below: a. What is the absolute atmospheric pressure at an elevation of 4100 m, assuming a constant unit weight of air of 11.80 N/m3? b. What will be the boiling temperature for water at this elevation? Elev. =...
part a-f needed S U RES DE SE U TENHAM - Due Date: 11/20/2019 11:59:00 PM...

part a-f needed S U RES DE SE U TENHAM - Due Date: 11/20/2019 11:59:00 PM End Date: 112019 11:39:00 PM (5%) Problem 10: A basketball is pressurized to a gauge pressure of P 75 kPa when at the surface of a swimming pool. (Patm = 101 kPa). The ball is then submerged in the pool of water which has a density Q = 1000 kg/m². Assume the ball does not change in mass, temperature, or volume as it is...
102. Vapor Pressure for Water A portion of the vapor- pressure curve for water is shown...

102. Vapor Pressure for Water A portion of the vapor- pressure curve for water is shown in Figure 10.28. Referring to the figure, estimate the pressure (in kPa) required for water to boil at 30 °C. Vapor-pressure curve Liquid Vapor pressure of water (kPa) 20 Temperature (°C) Figure 10.28 103. Using the vapor-pressure curve in Figure 10.28, estimate the temperature at which water boils when the pressure is 1.5 kPa.

Barometric Pressure 0.992 atm Mass of Flask + Foil 56 g Mass of Flask + Foil...

Barometric Pressure 0.992 atm Mass of Flask + Foil 56 g Mass of Flask + Foil + Condensed Liquid 59 g Mass of Condensed Liquid 3 g Volume of Flask 300 ml Temperature of Water Bath when Vaporization Begins 333 K Temperature of Water Bath when Water Begins to Boil 363 K Molar Mass 46 g mol Ideal gas law PV=nRT P=pressure V=volume of gas n=number of moles R=gas constant T=temperature Molar volume V=RT/P Density of gas D=PM x RT Molar mass M=(mRT)/(PV) I...
(a) Calculate the absolute pressure at an ocean depth of 150 m. Assume the density of...

(a) Calculate the absolute pressure at an ocean depth of 150 m. Assume the density of sea water is 1 022 kg/m3 and the air above exerts a pressure of 101.3 kPa?? Pa (b) At this depth, what is the buoyant force on a spherical submarine having a diameter of 4.80 m? N
An absolute pressure gauge is submerged 50 m (1979 in) below the surface of the ocean...

An absolute pressure gauge is submerged 50 m (1979 in) below the surface of the ocean and reads P 6.064 bar. This is P 2434 in of H2O), according to the unit conversions built into a particular calculator. Estimate the density of seawater. The density of seawater is kg/m,2 What is the reason for the apparent discrepancy between the pressure measurement and the actual depth of submersion The apparent discrepancy between the pressure measurement and the actual depth of submersion...

-2 2 Pipe flow [6 points) A liquid with SG 0.96, 1 = 9.2 x 10-4...

-2 2 Pipe flow [6 points) A liquid with SG 0.96, 1 = 9.2 x 10-4 Nsm-2, and vapor pressure pu = 8000 Nm (absolute) is drawn into the syringe as is indicated in figure 3. What is the maximum flowrate if cavitation is not to occur in the syringe? Assume the flow is laminar. Neglect minor losses. Assume that the velocity of the piston is negligible compared to the velocity in the needle. Atmospheric pressure is Patm 101 325...

When the hydrofoil shown was tested, the minimum pressure on the surface of the foil was...

Homework Answers