Determine the heat transfer from the nozzle

Assignment Help Mechanical Engineering
Reference no: EM13710297

Air flowing at 23 kg/s enters a nozzle operating at steady state at 450 K, 300 kPa and a velocity of 2 m/s and exits at a temperature of 300 K and a velocity of 400 m/s. Using the ideal gas model for air, determine (a) the area of the inlet in m2 and (b) the heat transfer from the nozzle in kW.

Reference no: EM13710297

Questions Cloud

Determine mass flow rate at inlet and velocity : Steam at 80 bar, 440 Celsius, enters a turbine operating at steady state at a volumetric flow rate of 180 m3/min. The water exits the turbine in two streams, 20% as exits through a 0.25 m diameter pipe at 60 bar, 400 Celsius. The rest exits through a..
What is the temperature of the helium at the end of process : 0.78 kg of helium fills a piston-cylinder device (initial volume of 0.5 m3 which is maintained at an absolute pressure of 240 kPa. Heat is added until the volume doubles. What is the temperature of the helium at the end of the process?
Approximate the specific heat of ceramic : A small ceramic crucible (mass of 0.26 kg) has just been washed and rinsed. Before it can be reused, it must be absolutely dry. To ensure that no residual water is present, the crucible is heated to 150 C from room temperature (23 ?C). How much heat ..
Determine the volumetric flow rate of the steam at the inlet : A steam turbine operating at steady state produces 6,000 hp with a heat transfer to the surroundings at a rate of 360,000 Btu/hr. Steam enters at 600 0F, at 200 psi and exits as a saturated vapor at 8 psi. Neglecting the KE and PE determine the volum..
Determine the heat transfer from the nozzle : Air flowing at 23 kg/s enters a nozzle operating at steady state at 450 K, 300 kPa and a velocity of 2 m/s and exits at a temperature of 300 K and a velocity of 400 m/s. Using the ideal gas model for air, determine (a) the area of the inlet in m2 and..
Determine the exit velocity and inlet and exit flow areas : Steam flowing at 3 kg/s through a nozzle operating at steady state expands from the inlet at 20 bar, 280 0 C to the exit at 7 bar, 180 0 C. The inlet velocity is 90 m/s. Neglecting heat transfer, determine (a) the exit velocity in m/s and (b) the inl..
Determine the mass flow rate : R134a flowing at 12 m/s enters a 25 mm diameter tube at a quality of 15%, at 36 0C and exits the tube at 10 bar as a saturated liquid. Determine (a) the mass flow rate of the R134a in kg/s, (b) the velocity of the R134a at the exit in m/s and (c) the..
Piston-cylinder device is compressed from an initial state : Air in a piston-cylinder device is compressed from an initial state (temperature = 80 C, pressure = 100 kPa, volume = 0.3 m3) to a final state (temperature = 250 ?C, pressure = 600 kPa), during a polytropic process (n = 1.28094065700868). What is the..
Water is being filled with water through two inlet pipes : A tank initially filled with 500 lb liquid water is being filled with water through two inlet pipes. One delivers hot water at mass flow rate of 1.5 lb/min and the second delivers cold water at a mass flow rate of 3 lb/min. A single exit pipe is drai..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  The slotted wheel rolls to the right without slipping

The slotted wheel rolls to the right without slipping,

  F 1 molemin of a mixture is 75 mol n-pentane and 25 mol

for antoine equation in the formlog10vp a- btcwith vp in mm hg and t degree c the constants for n-pentane are a6.853

  You have been asked to design a set of pumps to transfer

you have been asked to design a set of pumps to transfer liquid from a storage tank into a distillation column. what

  The central cubical area of an office building at sea level

the central cubical area of an office building at sea level has a floor area of 4000 ft2 and is occupied by 30 people

  Draw mohrs circle for a point on top of the cross-section

a simply supported beam of length 18 ft. is subjected to a trapezoidally distributed load that has a value of 3 kipft

  If a concentration of 000005 parts per million ppm exist in

some pollution like the now banned toxic pesticide ddt dichlorodiphenyldicholorethaneand its relative dde

  Determine the final equilibrium temperature of the blocks

two blocks a and b are initially at 100c and 500c respectively. they are brought together and isolated from the

  Calculate the heat loss from the blocks five surfaces by

a hot iron block at 300 ordmc of sides 15 cm by 20 cm by 25 cm is placed on insulated horizontal surface with its 15 cm

  The turbine to the genrator to aviod change to the existing

a regional power plant is updating one of its existing 25mw natural gas turbans with a new more efficient model as a

  Determine the position of the neutral axis

Determine the position of the neutral axis relative to the bottom face - dimensions of a 6 m long asymmetric I-beam are shown. Determine the position of the neutral axis relative to the bottom face

  Calculate the nusselt number and the convective heat

calculate the nusselt number and the convective heat transfer coefficient for water at a bulk temperature of 32oc

  Piston-cylinder assembly which initially has a volume

A piston-cylinder assembly which initially has a volume of 1 m^3 is filled with 0.7 kg of air. The pressure on the air is always maintained at 1.2 bars. Heat transfer is allowed to take place until the volume is 60 percent of the initial value. You m..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd