Determine exit velocity and entropy production

Assignment Help Mechanical Engineering

Reference no: EM13708489

Air enters a nozzle at 240 kpa and 400 k with a velocity of 10m/s. it exits at 100kpa. the nozzle adiabatic efficiency is 90%. Delta PE=0, s.s.s.f, uniform velocity at exit and entrance.

Determine:

A) exit velocity, m/s

B) entropy production

Reference no: EM13708489

Questions Cloud

What is the magnitude of the electric field : A 9.0-nC point charge is located at the origin in the xy-plane. What is the magnitude of the electric field at the coordinates (0.22 m, 0.28 m)

Dimensions of the heat exchanger with a pressure drop : A balanced-cross-flow compact heat exchanger is required for an air heating system that processes 0.5 kg/s air. The inlet temperature for the hot water is 295 K, and the cold air enters at 270 K to be heated to 287 K. The inlet pressure for the hot w..

What is the critical angle for wate : When a light ray passes from a material of higher n to a material of lower n (for instance, a light ray passing from glass to air), What is the critical angle for wate

Calculate the total distance moved : An object initially moving at 12 m/s accelerates uniformly to 33 m/s in 16 s. Calculate the total distance moved

Determine exit velocity and entropy production : Air enters a nozzle at 240 kpa and 400 k with a velocity of 10m/s. it exits at 100kpa. the nozzle adiabatic efficiency is 90%. Delta PE=0, s.s.s.f, uniform velocity at exit and entrance.

What is the angle of the refracted ray in the water : A ray of light in air strikes the surface of a pool of water at an angle of 30 degrees from the normal. What is the angle (measured from the normal) of the refracted ray in the water

Determine the quality and the specific internal energy : Refrigerant-134a at -12°C, in which 2.55kg of the refrigerant is in the liquid phase. An electric switch is turned on, and a 110-V source supplies current to a resistance heater inside the cylinder for a period of 20 minutes until the volume is doubl..

Estimate the potential difference across the capacitor : A 3.3-cm-diameter parallel-plate capacitor has a 2.5mm spacing. The electric field strength inside the capacitor is 1.1×105V/m. What is the potential difference across the capacitor

Calculate volume in each cylinder when piston reaches tdc : A four-stroke engine has a total displacement volume of 10L, 125mm bore and 16.3:1 compression ratio. The engine produces a maximum of 210 kW at 2100 RPM. The intake air is at 45 degrees C and 22.5 g/s of air flow into each cylinder. Calculate the vo..

User Account

All Pages