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(D2) Which of the air and aircraft properties define the airs speed of sound and the...
3. An aircraft is known to be flying at a supersonic speed. Assume the gas it...
3. An aircraft is known to be flying at a supersonic speed. Assume the gas it is flying through to be calorically perfect Air. The air-data system measures the following quantities: freestream static pressure is 6.5 kPa, Pitot pressure is 36.75 kPa, total temperature is 433 K. (a) freestream Mach number, M.. (b) freestream static temperature, T. (c) freestream velocity (air speed), U. 4. Supersonic gas enters a duct with a constant area at M - 2.5 at a pressure...
b) Determine the speed of sound in air at 800 K and determine the Mach number...
b) Determine the speed of sound in air at 800 K and determine the Mach number of an aircraft moving in air at a velocity of 330 m/s.
(a) A high speed (Mach number > 0.3) aircraft is flying at an altitude where the...
(a) A high speed (Mach number > 0.3) aircraft is flying at an altitude where the temperature and pressure is 2°C and 97 kPa. Its flight velocity is measured by a probe which records a dynamic pressure of 20 density is 13600 kg/ml. Find the reading of the manometer given k=1.4 and R=0.287 kJ/kg-K.
C++ programming labs 1: Project 15: Speed of Sound. Sound travels through air as a result...
C++ programming labs 1: Project 15: Speed of Sound. Sound travels through air as a result of collisions between the molecules in the air. The temperature of the air affects the speed of the molecules, which in turn affects the speed of sound. The velocity of sound in dry air can be approximated by the formula: velocity = 331.3 + 0.61
ta Vew Wiadcw Helpr Home Tocls 101 2019.0.Cot QUESTION 9 In a jet engine rotor the high pressure axial compressor ro...
ta Vew Wiadcw Helpr Home Tocls 101 2019.0.Cot QUESTION 9 In a jet engine rotor the high pressure axial compressor rotates at a speed of 15000 rpm. The overall stagnation pressure ratio due to compression is 10.1, it was recorded that the air flows at a rate of 16 kg/s. The stagnation properties at the inlet are 215 kPa and 460K. The poly-tropic efficiency of the compressor is 90%. Assume the mean radius of the compressor is constant and equal...
Solving Expressions Analytically 1 point Consider the following equation, which describes the speed of sound a...
Solving Expressions Analytically 1 point Consider the following equation, which describes the speed of sound a in an ideal gas: a = VKRT. The Mach number M describes the ratio of a velocity v to the acoustic velocity or speed of sound a: The Mach number can also be written in terms of the stagnation temperature To, M=Vai ( -1). Combine these equations and solve symbolically for the temperature T in terms of all other quantities except M. Your answer...
2. Air is steadily discharged from a large chamber in which the pressure is 500 kPa,...
2. Air is steadily discharged from a large chamber in which the pressure is 500 kPa, the temperature is 30°C, and the velocity is effectively zero through a nozzle, as shown in Fig. 2. Assuming one dimensional isentropic flow, find: (a) if the pressure at some section of the nozzle is 80 kPa, the Mach number, temperature, and velocity at this section. (b) if the nozzle has a circular cross-section with a diameter of 12 mm at the section discussed...
Can you please do this question correctly,thanks!! 183 184Question 2.6 Air is flowing at supersonic speed over a two-dimensional wedge with an upstream static pressure, P, and static temperature, T,...
Can you please do this question correctly,thanks!!
183 184Question 2.6 Air is flowing at supersonic speed over a two-dimensional wedge with an upstream static pressure, P, and static temperature, T, which are defined in the table below 185 186 Value Design Data Unit 187 188 Upstream static pressure (P) 96 kPa 189 Upstream static temperature (T) 265 CK 190 Upstream mach number (M) 2.55 WATCH 191 Wedge half-angle (e) 18 UNITS 192 193 Your answers 194 a) Find the wedge...
A room contains air at 30°C, in which the speed of sound is 349 m/s. The...
A room contains air at 30°C, in which the speed of sound is 349 m/s. The walls of the room are made of concrete in which the speed of sound is 1850 m/s. (a) Find the critical angle for total internal reflection of sound at the concrete-air boundary. (b) In which medium must the sound be traveling to undergo total internal reflection? air O concrete (c)"A bare concrete wall is a highly efficient mirror for sound." Give evidence for or...
What two properties of a material affect the speed of sound in the material? a) Specific...
What two properties of a material affect the speed of sound in the material? a) Specific heat and density. b) Density and volume. c) Density and stiffness. d) Buoyant force and density.
3. An aircraft is known to be flying at a supersonic speed. Assume the gas it is flying through to be calorically perfect Air. The air-data system measures the following quantities: freestream static pressure is 6.5 kPa, Pitot pressure is 36.75 kPa, total temperature is 433 K. (a) freestream Mach number, M.. (b) freestream static temperature, T. (c) freestream velocity (air speed), U. 4. Supersonic gas enters a duct with a constant area at M - 2.5 at a pressure...
b) Determine the speed of sound in air at 800 K and determine the Mach number of an aircraft moving in air at a velocity of 330 m/s.
(a) A high speed (Mach number > 0.3) aircraft is flying at an altitude where the temperature and pressure is 2°C and 97 kPa. Its flight velocity is measured by a probe which records a dynamic pressure of 20 density is 13600 kg/ml. Find the reading of the manometer given k=1.4 and R=0.287 kJ/kg-K.
ta Vew Wiadcw Helpr Home Tocls 101 2019.0.Cot QUESTION 9 In a jet engine rotor the high pressure axial compressor rotates at a speed of 15000 rpm. The overall stagnation pressure ratio due to compression is 10.1, it was recorded that the air flows at a rate of 16 kg/s. The stagnation properties at the inlet are 215 kPa and 460K. The poly-tropic efficiency of the compressor is 90%. Assume the mean radius of the compressor is constant and equal...
Solving Expressions Analytically 1 point Consider the following equation, which describes the speed of sound a in an ideal gas: a = VKRT. The Mach number M describes the ratio of a velocity v to the acoustic velocity or speed of sound a: The Mach number can also be written in terms of the stagnation temperature To, M=Vai ( -1). Combine these equations and solve symbolically for the temperature T in terms of all other quantities except M. Your answer...
2. Air is steadily discharged from a large chamber in which the pressure is 500 kPa, the temperature is 30°C, and the velocity is effectively zero through a nozzle, as shown in Fig. 2. Assuming one dimensional isentropic flow, find: (a) if the pressure at some section of the nozzle is 80 kPa, the Mach number, temperature, and velocity at this section. (b) if the nozzle has a circular cross-section with a diameter of 12 mm at the section discussed...
Can you please do this question correctly,thanks!!
183 184Question 2.6 Air is flowing at supersonic speed over a two-dimensional wedge with an upstream static pressure, P, and static temperature, T, which are defined in the table below 185 186 Value Design Data Unit 187 188 Upstream static pressure (P) 96 kPa 189 Upstream static temperature (T) 265 CK 190 Upstream mach number (M) 2.55 WATCH 191 Wedge half-angle (e) 18 UNITS 192 193 Your answers 194 a) Find the wedge...
A room contains air at 30°C, in which the speed of sound is 349 m/s. The walls of the room are made of concrete in which the speed of sound is 1850 m/s. (a) Find the critical angle for total internal reflection of sound at the concrete-air boundary. (b) In which medium must the sound be traveling to undergo total internal reflection? air O concrete (c)"A bare concrete wall is a highly efficient mirror for sound." Give evidence for or...
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