Find the compressor efficiency and the entropy generation

Assignment Help Mechanical Engineering
Reference no: EM13718988

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 degree. Find the compressor efficiency and the entropy generation. is there an improvement by reducing the exit temperature to 800 F degree?

Reference no: EM13718988

Previous Q& A

  Turbine surroundings maintain their temperature

Steam is expanded from 20 bars, 280 C to 100kPa through an adiabatic, steady flow turbine whose isentropic efficiency is 90%. The turbine surroundings maintain their temperature at 27 C. How much entropy is generated by this process and does this pro..

  Domestic how water supply

Steam at 500KPa 300 C is used to heat cold water at 15 C to 75 C for domestic how water supply. How much steam per kg liquid water is needed i the steam should not condense?

  Saturated liquid entering and saturated vapor exiting

A Carnot power cycle operates at steady state with water as the working fluid. The boiler pressure is 200lbf/in^2, with saturated liquid entering and saturated vapor exiting. The condenser pressure is 20lbf/in^2.

  Air flows with heat exchanger

Air at 600k flows with 3 kg/s into a heat exchanger and out at 100 C. How much (kg/s) water coming in at 100 KPA, 20 C can the air heat to the boiling point?

  Clockwise without slipping on the fixed horizontal surface

At the instant shown, the rigid body OA rolls counter clockwise without slipping on the fixed horizontal surface, and point O has a velocity 2 m/s to the left and an acceleration of 1 m/s2 to the right. Point O is at the center of the semi-circle reg..

  Cauldron of boiling liquid with a pulley system

A witch lifts her cauldron of boiling liquid with a pulley system. Once the cauldron is lifted, liquid issues from two identical holes of cross-sectional area 2,000 mm2 (each) with a velocity of 30 m/s. The liquid sprays 30o below the horizontal.

  Energy when completely combusted in air

As a 75 slug car travels along a horizontal, 3200 ft section of road, it changes speed from 5 mph to 60 mph. During this acceleration, the car gets an average MPG of 15 MPG. How efficient is the car’s engine during the acceleration assuming 1 gallon ..

  Calculate starin in axial and transverse direction

A 10-ft long rectangular ASTM Grade 50 steel plate 1-in by 12-in cross section is used as a hanger and is subjected to a tensile load of 240,000 lb . the modulus of elasticity for steel is 30,000,000 psi and the poison ratio is 0.25

  Compute the stress-strain and total elongation

A 24 in long bar with a cross sectional area of 1.0 in^2 is subjected to an axial tensile load of 10,000 lb. compute the stress, strain and the total elongation if the bar material is :

  Determine the air velocity at the exit when inlet velocity

The exhaust nozzle of a jet engine expands air at 388 kPa and 174 C adiabatically to 95 kPa. Determine the air velocity at the exit when the inlet velocity is low and the nozzle isentropic efficiency is 96 percent.

Reviews

Write a Review

 

Similar Q& A

  Water flow in pipe can be represented by the reynolds number

Water flow in a pipe can be represented by the Reynolds number Re which is dimensionless. The Reynolds number is determined by the equation Re= (w Vw Dp ) / ?w where:

  What is the speed of the pump

The system on site is a pressure sand filter, with a service curve. The filter is backwashed using the feed pump, at a higher flow rate, shown as backwash curve.  What is the speed of the pump to achieve the service and backwash flow rates ?

  Based on inernal energy considerations what dislocation

based on inernal energy considerations what dislocation density in cu is needed to make the crystalline form of cu

  Heat is generated in a 2 mm diameter electric resistance

heat is generated in a 2 mm diameter electric resistance wire k 10 wm-k uniformly at a rate of 5 kwm of length of

  Determine the maximum bending stress developed in the tube

A high strength steel [E = 200 GPa] tube having an outside diameter of 80 mm and a wall thickness of 3 mm is bent into a circular curve having a 52 m radius of curvature. Determine the maximum bending stress developed in the tube

  A piston-cylinder device contains 015kg of air initially at

a piston-cylinder device contains 0.15kg of air initially at 2mpa and 350oc. the air is first expanded isothermally to

  A paddle wheel with a power rating of 2 hp is run inside

an insulated rigid tank initially contains 1.5 lbm. of helium at 80 deg f and 50 psi. a paddle wheel with a power

  The fugacities of ethane and n-butane in equimolar mixture

Compute the fugacities of ethane and n-butane in an equimolar mixture at 373.15K at 1, 10, and 15 bar total pressure assuming that the Lewis-Randall rule is correct.

  How much heat does this surface deliver to the water

let us consider a solar powered water heater. the solar collector surface is coated with black chrome whose emissivity

  Find out a compression ratio and inlet pressure

Also find out a compression ratio and inlet pressure to give maximum imep. engineering fundamentals of internal combustion enignes - pulkrabek.

  Dtermine the magnitudes of the velocity v and the

a particle which moves in two-dimensional motion has coordinates given in inches by x t2 - 4t 20 and y 3 sin 2t

  A water cooled spherical object of diameter 10 mm and

a water cooled spherical object of diameter 10 mm and emissivity 0.9 is maintained at 4000c. what is the net transfer

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