Determine the evaporator and condenser pressures

Assignment Help Mechanical Engineering
Reference no: EM13950664

A vapor-compression refrigeration system for a household refrigerator has a refrigerating capacity of 1000 Btu/h. Refrigerant enters the evaporator at 2108F and exits at 08F. The isentropic compressor efficiency is 80%. The refrigerant condenses at 958F and exits the condenser subcooled at 908F. There are no significant pressure drops in the flows through the evaporator and condenser. Determine the evaporator and condenser pressures, each in lbf/in.2, the mass flow rate of refrigerant, in lb/min, the compressor power input, in horsepower, and the coefficient of performance for (a) Refrigerant 134a and (b) propane as the working fluid.

Reference no: EM13950664

Questions Cloud

Design a program to perform the simulation : Design a program to perform the simulation using a 40 by 20 tiled floor (N = 40, and M = 20). For each run, output:
Determine the charges on both the van de graff generator : A Van de Graff generator that generates positive charges and a small sphere that you can hang close to the Van de Graff generator such that their centers are aligned in the horizontal plane. In at most 10 bullet points on one page, outline how you..
In the current business world, team projects : In the current business world, team projects are commonplace. This assignment will use John Wooden's Pyramid of Success, its different facets, how it relates to project management leadership, and how it is fulfilled in different circumstances. Vis..
Describe and discuss the facilitys risk management program : Describe and discuss the facility's Risk Management program. Do you feel their Risk Management program is adequate?
Determine the evaporator and condenser pressures : Determine the evaporator and condenser pressures, each in lbf/in.2, the mass flow rate of refrigerant, in lb/min, the compressor power input, in horsepower, and the coefficient of performance for (a) Refrigerant 134a and (b) ..
Which array types could hold object references : What is the default initialization value for a character array?
Transaction in the appropriate general ledger accounts : Record the transaction in the appropriate general ledger accounts. Record the amount of the revenue, expense, and dividends, in the Retained Earning column. Provide the appropriate titles for these accounts in the last column of the table.
Write a method header that accepts an array as a parameter : Give an example of an array that is initialized during declaration:
What medication are being considered for prep : List 3 factors that have been associated with increasing risk for HIV transmission during (or post) pregnancy. List 3 measures that have been scientifically shown to reduce risk of HIV transmission during the different points of pregnancy.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Select the proper equations to describe the flight of the

an unguided weapon is launched off a fighter aircraft flying at 500kts 844 fts straight and level at an altitude of

  Which is probably mechanically tougher the bone or the

toughness is proportional to the amount of energy storedput in to a material or structure when a stress is applied.

  Take cut off ratio 2 find the temperature after the end

a diesel cycle works on compression ratio of 18 and temperature at the start of compression is given as 300k. take cut

  Determine the power required-in watts to compress the spring

The force F required to compress a spring a distance x is given by F - Fo = kx where k is the spring constant and Fo is the preload. Determine the work required to compress a spring, whose spring constant is k = 37 kN/m, a distance of 2 cm starting f..

  Water at 4oc is to be delivered to the top of a ski area

water at 4oc is to be delivered to the top of a ski area for snowmaking purposes. the water is to be drawn from a

  Reciprocating radial roller follower of a plate cam profile

The reciprocating radial roller follower of a plate cam profile with 0.7 in offset is to rise 2 in with simple harmonic motion in 180 degrees of cam rotation and return with simple harmonic motion in the remaining 180 degrees. If the roller radius is..

  Find the largest torque that can be applied

The composite shaft consists of three sections: 1) a solid brass core, 2) a middle steel tube, and 3) an outer aluminium tube.  The brass core (Gb= 39 GPa) has a diameter of 50 mm.  The steel tube (Gs= 77 GPa) has an inner diameter of 50 mm and an ou..

  Reservoir elevation and discharge into the channel

The slope of the channel is 0.0020 ft/ft. Compute a chart showing the relationship be- tween reservoir elevation and discharge into the channel.

  A painter is standing on a work platform that is 27 feet

a painter is standing on a work platform that is 27 feet above ground level. for fall protection the workers safety

  Dry air enters an industrial dryer with a pressure of 101

dry air enters an industrial dryer with a pressure of 101 kpa a temperature of 250c and a mass flow rate of 2.6kghr

  What is the maximum possible temperature of the high

a refrigerator cycle has a cop of 3 and removes 100kw of heat from a building which is kept at 23c. the device rejects

  Kinetic coeffecients between the ball and the lane

determine the velocity of its center when it reaches the end of the bowling lane.The ball is always in contact with the bowling lane during its motion. the bowling ball may be assumed to be a uniform solid sphere with a mass of 7 kg and diameter o..

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