Chapter 3 Smith and Van Ness

CHAPTER 3 SMITH AND VAN NESS CHE123 CPMONTEROLA

Variation of volume it! tem"erature an# "re$$ure

I% E%%ICIENC& IS '()

I% E%%ICIENC& IS '()

 THE THROTTLIN* PROCESS

RE%RI*ERATOR  THERMO

CAR AIRCON S&STEM

H+P,T-

ISENTHALPIC PROCESS+CONSTANT H-

 .O/LE0THOMSON  .O/LE0 THOMSON COE%%ICIENT, /

 .O/LE0THOMSON COE%%ICIENT 2.30(a) !en a ertain freon u$e# in refrieration

a$ e4"an#e# a#ia5atiall6 from an initial "re$$ure of 32 atm an# (7C to a 8nal "re$$ure of 19(( atm, t!e tem"erature fell 56 22 :9 Calulate t!e .oule;  T!om$on oeffiient, <, at (7C, a$$umin it remain$ on$tant over t!i$ tem"erature rane9

ISENTHALPIC PROCESS+CONSTANT H-

29=>? Conern$ over t!e !armful e@et$ of !lorouoroar5on$ on $trato$"!eri oBone !ave motivate# a $ear! for ne refrierant$9 One $u! alternative i$ 2,20#i!loro01,1,10triuoroet!ane +refrierant 123-9 &ounlove an# MLin#en "u5li$!e# a om"en#ium of t!ermo"!6$ial "ro"ertie$ of t!i$ $u5$tane +.9 P!6$9 C!em9 Ref9 Data 23,  +1=--, from !i! "ro"ertie$ $u! a$ t!e .oule;T!om$on oeient < an 5e om"ute#9 +a- Com"ute < at 19(( 5ar an# >(7C iven t!at +FHGF"-T  392 J 1(3 . MPa1 mol1 an# C",m  11(9( . :1 mol19 +5- Com"ute t!e tem"erature !ane t!at oul# aom"an6 a#ia5ati e4"an$ion of 29( mol of t!i$

ASPEN H&S&S %L/ID PAC:A*ESGEOS

K an# C are !emial $"eie$ #e"en#ent9

COMPRESSIKILIT& %ACTOR, 

ISOTHERMS O% METHANE

VIRIAL E/ATION O% STATE

VIRIAL E/ATION O% STATE

KENEDICT EKK ROKIN EOS

REDLICH0:ON* E/ATION

THE CORRESPONDIN G STATE THEORY 

 THE ACENTRIC %ACTOR, OME*A •



*ENERALIED COMPRESSIKILIT& %ACTOR CORRELATION LEE0:ESLER CORRELATION

( an# 1 are funtion$ of Tr an# Pr9  Ta5le$ for inter"olation are foun# in a""en#i4 E of Smit! an# Van Ne$$9  i$ in a""en#i4 C of t!e $ame 5ooQ9

PERR& PA*E 20>(2 LEE0:ESLER

391(

APPENDI K VAN NESS

PITER CORRELATION

PERR& PA*E =01(

PERR& PA*E =0

391(

 THIRD VIRIAL COE%%ICIENT, C HAT PERR& PA*E =01(

 THIRD VIRIAL COE%%ICIENT, C HAT PERR& PA*E =011

391(

REDLICH0:ON* EOS PERR& PA*E =011

R: 

PEN* ROKINSON EOS PERR& PA*E =0 11

PEN*0ROKINSON EOS '9 +1( "t$- &ou are a$Qe# to #e$in a $teel tanQ in !i! CO2 ill 5e $tore# at 2( :9 t!e tanQ i$ 1(9= m3 in volume an# 6ou ant to $tore =( Q of CO2 in it9 !at "re$$ure ill t!e CO2 e4ert /$e Pen0Ro5in$on eUuation to et 6our an$er9

LOO:IN* %OR PRESS/RE /SIN* K HAT

R: E/ATION

ASPEN H&S&S %L/ID PAC:A*ESGEOS

RE%RI*ERATORS EPANSION VALVE