Problem 1P: Air is expanded in a steady flow process through a turbine. Initial conditions are 1300C and 2.0 MPa... Problem 2P: Five kilograms of air is cooled in a closed tank from 250 to 50C. The initial absolute pressure is 3... Problem 3P: Air is contained in a piston-cylinder device. The temperature of the air is 100C. Using the fact... Problem 4P: Calculate the power delivered by the turbine per unit mass of airflow when the heat transfer in the... Problem 5P: If hydrogen flows as a perfect gas without friction between stations and while qH = 7.5 105 J/kg,... Problem 6P: A 1-m3 tank contains air at 0.1 MPa absolute and 20C. The tank is pressurized to 2 MPa. Assuming... Problem 7P: Air enters a turbine in steady flow at 0.5 kg/s with negligible velocity. Inlet conditions are 1300C... Problem 8P: Natural gas, with the thermodynamic properties of methane, flows in an underground pipeline of 0.6 m... Problem 9P: Carbon dioxide flows at a speed of 10 m/s in a pipe and then through a nozzle where the velocity is... Problem 10P: In an isothermal process, 0.1 cubic feet of standard air per minute (SCFM) is pumped into a balloon.... Problem 11P: Calculate the speed of sound at 20C for (a) hydrogen, (b) helium, (c) methane, (d) nitrogen, and (c)... Problem 12P: An airplane flies at 550 km/hr at 1500 m altitude on a standard day. The plane climbs to 15,000 m... Problem 13P: Actual performance characteristics of the Lockheed SR71 Blackbird reconnaissance aircraft never were... Problem 14P: For a speed of sound in steel of 4300 m/s, determine the bulk modulus of elasticity. Compare the... Problem 15P: Determine and plot the Mach number of an automobile as a function of speed from 25 mph to 100 mph... Problem 16P: Investigate the effect of altitude on Mach number by plotting the Mach number of a 500 mph airplane... Problem 17P: The grandstand at the Kennedy Space Center is located 3.5 mi away from the Space Shuttle Launch Pad.... Problem 18P: Use data for specific volume to calculate and plot the speed of sound in saturated liquid water over... Problem 19P: An object traveling in atmospheric air emits two pressure waves at different times. At an instant in... Problem 20P: An object traveling in atmospheric air emits two pressure waves at different times. At an instant in... Problem 21P: While at the seashore, you observe an airplane that is flying at 10,000 ft. You hear the airplane 8... Problem 22P: The temperature varies linearly from sea level to approximately 11 km altitude in the standard... Problem 23P Problem 24P: A photograph of a bullet shows a Mach angle of 32. Determine the speed of the bullet for standard... Problem 25P: An F-4 aircraft makes a high-speed pass over an airfield on a day when T = 35C. The aircraft flies... Problem 26P: All aircraft passes overhead at 3 km altitude. The aircraft flics at M = 1.5. Assume the air... Problem 27P: A supersonic aircraft flies at 3 km altitude at a speed of 1000 m/s on a standard day. How long... Problem 28P: For the conditions of Problem 12.27, find the location at which the sound wave that first reaches... Problem 29P: The Concorde supersonic transport cruised at M = 2.2 at 17 km altitude on a standard day. How long... Problem 30P: Plot the percentage discrepancy between the density at the stagnation point and the density at a... Problem 31P: Compute the air density in the undisturbed air and at the stagnation point of an aircraft flying at... Problem 32P: Carbon dioxide flows in a duct at a velocity of 90 m/s, absolute pressure 140 kPa, and temperature... Problem 33P: If nitrogen at 15C is flowing and the stagnation temperature on the nose of a small object in the... Problem 34P: An aircraft cruises at M = 0.65 at 10 km altitude on a standard day. The aircraft speed is deduced... Problem 35P: High-speed aircraft use air data computers to compute air speed from measurement of the difference... Problem 36P: A supersonic wind tunnel test section is designed to have M = 2.5 at 15C and 35 kPa absolute. The... Problem 37P: Oxygen flows in a passage at a pressure of 25 psia. The pressure and temperature on the nose of a... Problem 38P: What is the pressure on the nose of a bullet moving through standard sea ievel air at 300 m/s... Problem 39P Problem 40P: Air flows in an insulated duct. At point the conditions are M1 = 0.1, T1 = 20 C and p1 = 1.0 MPa... Problem 41P: Consider steady, adiabatic flow of air through a long straight pipe with A = 0.05 m2. At the inlet... Problem 42P: Air passes through a normal shock in a supersonic wind tunnel. Upstream conditions are M1 = 1.8, T'1... Problem 43P: A Boeing 747 cruises at M = 0:87 at an altitude of 13 km on a standard day. A window in the cockpit... Problem 44P: Space debris impact is a real concern for spacecraft. If a piece of space debris were to create a... Problem 45P: A CO2 cartridge is used to propel a toy rocket. Gas in the cartridge is pressurized to 45 MPa gage... Problem 46P: Nitrogen flows from a large tank, through a convergent nozzle of 2-in. tip diameter, into the... Problem 47P: Air flows from the atmosphere into an evacuated tank through a convergent nozzle of 38-mm tip... Problem 48P: Oxygen discharges from a tank through a convergent nozzle. The temperature and velocity in the jet... Problem 49P: The hot gas stream at the turbine inlet of a JT9-D jet engine is at 1500C, 140 kPa absolute, and M =... Problem 50P: Carbon dioxide discharges from a tank through a convergent nozzle into the atmosphere. If the tank... Problem 51P: Air at 100F and 100 psia in a large tank flows into a 6-in.-diameter pipe, from which it discharges... Problem 52P: Calculate the required diameter of a convergent nozzle to discharge 5:0 lb/s of air from a iarge... Problem 53P: Steam flows steadily and isentropically through a nozzle. At an upstream section where the speed is... Problem 54P: Nitrogen flows through a diverging section of duct with A1 = 0.15 m2 and A2 = 0.45 m2. If M1 = 0.7... Problem 55P: At a section in a passage, the pressure is 30 psia, the temperature is 100F, and the speed is 1750... Problem 56P: In a given duct flow M = 2.0; the velocity undergoes a 20 percent decrease. What percent change in... Problem 57P: Air flows isentropically through a converging nozzle into a receiver in which the absolute pressure... Problem 58P: Five pounds of air per second discharge from a tank through a convergent-divergent nozzle into... Problem 59P: Air flows isentropically through a converging-diverging nozzle from a large tank containing air at... Problem 60P: Air, at an absolute pressure of 60.0 kPa and 27C, enters a passage at 486 m/s, where A = 0.02 m2. At... Problem 61P: Carbon dioxide flows from a tank through a convergent-divergent nozzle of 25-mm throat and 50-mm... Problem 62P: A convergent-divergent nozzle of 50-mm tip diameter discharges to the atmosphere (103.2 kPa) from a... Problem 63P: Air flows adiabatically through a duct. At the entrance, the static temperature and pressure are 310... Problem 64P: Air flows isentropically through a converging nozzle into a receiver where the pressure is 250 kPa... Problem 65P: Air flows isentropically through a converging nozzle into a receiver in which the absolute pressure... Problem 66P: Atmospheric air at 98.5 kPa and 20C is drawn into a vacuum tank through a convergent-divergent... Problem 67P: The exit section of a convergent-divergent nozzle is to be used for the test section of a supersonic... Problem 68P: Air flowing isentropically through a converging nozzle discharges to the atmosphere. At the section... Problem 69P: Air flows from a large tank at p = 650 kPa absolute, T = 550C through a converging nozzle, with a... Problem 70P: A converging nozzle is connected to a large tank that contains compressed air at 15C. The nozzle... Problem 71P: Air at 0C is contained in a large tank on the space shuttle. A converging section with exit area 1 ... Problem 72P: A large tank initially is evacuated to 10 kPa gage. Ambient conditions are 101 kPa at 20C. At t = 0,... Problem 73P: Air flows isentropically through a converging nozzle attached to a large tank, where the absolute... Problem 74P: Air enters a converging-diverging nozzle at 2 MPa absolute and 313 K. At the exit of the nozzle, the... Problem 75P Problem 76P: A jet transport aircraft, with pressurized cabin, cruises at 11 km altitude. The cabin temperature... Problem 77P: A converging-diverging nozzle, with a throat area of 2 in.2, is connected to a large tank in which... Problem 78P: Air, at a stagnation pressure of 7.20 MPa absolute and a stagnation temperature of 1100 K, flows... Problem 79P: A small rocket motor, fueled with hydrogen and oxygen, is tested on a thrust stand at a simulated... Problem 80P: Testing of a demolition explosion is to be evaluated. Sensors indicate that the shock wave generated... Problem 81P: A total-pressure probe is placed in a supersonic wind tunnel where T = 530R and M = 2.0. A normal... Problem 82P: Air flows steadily through a long, insulated constant-area pipe. At section , M1 =2.0, T1 = 140F,... Problem 83P: Air discharges through a convergent-divergent nozzle which is attached to a large reservoir. At a... Problem 84P: A normal shock wave exists in an airflow. The absolute pressure, velocity, and temperature just... Problem 85P: Air approaches a normal shock at V1 = 900 m/s, p1 = 50 kPa absolute, and T1 = 220 K. What are the... Problem 86P: Air approaches a normal shock at M1 = 2.5, with T01=1250R and p1 = 20 psia. Determine the speed and... Problem 87P: Air undergoes a normal shock. Upstream, T1 = 35C, p1 = 229 kPa absolute, and V1 = 704 m/s. Determine... Problem 88P: If, through a normal shock wave in air, the absolute pressure rises from 275 to 410 kPa and the... Problem 89P: The stagnation temperature in an airflow is 149C upstream and downstream from a normal shock wave.... Problem 90P: A supersonic aircraft cruises at M = 2.2 at 12 km altitude. A pitot tube is used to sense pressure... Problem 91P: The Concorde supersonic transport flew at M = 2.2 at 20 km altitude. Air is decelerated... format_list_bulleted