Compressor efficiency and the entropy generation

Assignment Help Mechanical Engineering
Reference no: EM13719101

An adiabatic compressor is used to bring saturated water vapor at a pressure of 103 lbf/in^2 up to 1000 lbf/in^2, where the actual exit temperature is 1000 F. Find the compressor efficiency and the entropy generation. Is there an improvement by reducing the exit temperature to 800F?

Reference no: EM13719101

Questions Cloud

Determine the entropy production for the mixing process : Consider an adiabatic mixing chamber operating at steady state into which steam enters with quality of 0.9. Water enters through a separate inlet at 30 C. At the exit the temperature is 150 C and mass flow rate is 2 kg/s. The pressure in the mixing c..
Find the charge density on each surface of the dielectric : Two parallel plates have equal and opposite charges. When the space between the plates is evacuated, the electric field is E= 3.20×105V/m. find the charge density on each surface of the dielectric
Determine the exit temperature of the air : Air enters the evaporator section of an air-conditioner at 100 kPa, 27 C with a volumetric flow rate of 6 m^3 /min. R-134a enters the evaporator at 120 kPa with a quality of 0.3 and rate of 2 kg/min and it leaves as a saturated vapor at the same pres..
Calculate the magnitude of the charge on each conductor : A cylindrical air capacitor with a length of 13.2m stores an amount of energy equal to 3.20×109J when the potential difference between the two conductors is 4.80V. Calculate the magnitude of the charge on each conductor
Compressor efficiency and the entropy generation : An adiabatic compressor is used to bring saturated water vapor at a pressure of 103 lbf/in^2 up to 1000 lbf/in^2, where the actual exit temperature is 1000 F. Find the compressor efficiency and the entropy generation. Is there an improvement by reduc..
Assuming that the specific heat for the cold fluid : A shell and tube heat exchanger with one shell pass and four tube passes is being analyzed to determine the heat transfer rate and the fluid outlet temperatures for prescribed flow rates and inlet temperatures. The cold fluid has a heat capacity rate..
What does the scale read during the upward acceleration : An elevator undergoes constant upward acceleration, taking it from rest to 12.8m/s in 4.0 s. A 60kg man stands on a scale in the elevator. What does the scale read during the upward acceleration
What is the capacitance : The two plates of a capacitor hold +2130 µC and -2130 µC of charge, respectively, when the potential difference is 580 V. What is the capacitance
Elastic modulus and thermal conductivity perpendicular : Calculate the elastic modulus and thermal conductivity perpendicular to continuous, reinforcing fibers in an E-glass (70 vol%) polyester composite.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Determine the flowrate molh for each species in the reactor

the fresh feed to an ammonia production process contains nitrogen and 75 excess hydrogen in stoichiometric proportion

  Determine the points on the tire that have a maximum and

if the tires do not slip on the pavement determine the points on the tire that have a maximum and minimum speed and the

  Calculate the temperature of water exiting absorber tubes

Calculate the temperature of the water exiting the absorber tubes. Calculate the rate of exergy transfer accompanying the heat transferred from the absorber tubes to the water. Calculate the amount of exergy destroyed in the absorber tubes.

  The motion of a linkage in a mechanical system is examined

the motion of a linkage in a mechanical system is examined by engineers. it has been determined that the velocity of an

  The initial specific volume is 020 m3kg for the gas as the

one-fourth kg of a gas contained within a piston-cylinder assembly undergoes a constant pressure process at 5 bar. the

  Numerically calculating radiation heat transfer coefficient

The inside diameter of the bottle is equal to the inside height of the bottle. Write the equation to assess the ratio of radiation resistance over convection resistance. What is missing from numerically calculating the radiation heat transfer coeffic..

  If the mass flow rate of steam is 50 kgh determine the rate

geothermal steam is planned as an energy source for power generation. the steam enters and adiabatic exchanger at 2

  Determine the toal change in alength bcross-sectional

a quantum stabilizer made of cold-worked columbium is 15in long and has a rectangular crosssection 14in by 34in. for a

  What is the tension force in the container side-walls

a a team of astrononers have proposed to construct a large parabolic telescope mirror by spinning a cylindrical

  Explain tensile force and corresponding normal stress

Determine the magnitude of tensile force and corresponding normal stress of a wire A 28-ft length of 0.25-in

  Determine the maximum height h achieved the total flight

an experimental fireworks shell is launched vertically from point a with an initial velocity of magnitude v0 140

  Heat is generated in a 14-m-long 02-cm-diameter electrical

heat is generated in a 1.4-m-long 0.2-cm-diameter electrical wire that extends across a room which is maintained at

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