IT KING

Not Rated (0)

$25/per page/Negotiable

About IT KING

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Computer Science,Engineering See all
Computer Science,Engineering,Environmental science,Essay writing,Information Systems,Programming Hide all
Teaching Since: Apr 2017
Last Sign in: 361 Weeks Ago, 2 Days Ago
Questions Answered: 402
Tutorials Posted: 401

Education

  • MSC,MBA(IT)
    Standford
    Jun-1997 - Sep-2000

Experience

  • IT Manager
    Honeywell
    Aug-2001 - Present

Category > Applied Sciences Posted 07 May 2017 My Price 8.00

a two-stage vapor-compression

10.29   Figure  P10.30  shows  a  two-stage  vapor-compression refrigeration system with ammonia as the working fluid. The system  uses  a  direct  contact  heat  exchanger  to  achieve intercooling. The  evaporator  has  a  refrigerating  capacity  of 30  tons  and  produces  2208F  saturated  vapor  at  its  exit. In the  first  compressor  stage,  the  refrigerant  is  compressed

adiabatically to 80 lbf/in.2, which is the pressure in the direct contact heat exchanger. Saturated vapor at 80 lbf/in.2 enters the second compressor stage and is compressed adiabatically to 250 lbf/in.2 Each compressor stage has an isentropic efficiency of 85%. There are no significant pressure drops as the refrigerant passes through the heat exchangers. Saturated liquid enters each expansion valve. Determine

(a)   the ratio of mass flow rates, m# 3/m# 1.

(b)  the power input to each compressor stage, in horsepower.

(c)   the coefficient of performance.

Answers

IT KING
Not Rated (0)
Status NEW Posted 07 May 2017 10:05 AM My Price 8.00

Hel-----------lo -----------Sir-----------/Ma-----------dam----------- T-----------han-----------k Y-----------ou -----------for----------- us-----------ing----------- ou-----------r w-----------ebs-----------ite----------- an-----------d a-----------cqu-----------isi-----------tio-----------n o-----------f m-----------y p-----------ost-----------ed -----------sol-----------uti-----------on.----------- Pl-----------eas-----------e p-----------ing----------- me----------- on----------- ch-----------at -----------I a-----------m o-----------nli-----------ne -----------or -----------inb-----------ox -----------me -----------a m-----------ess-----------age----------- I -----------wil-----------l

Not Rated(0)