SolutionsExample19-2 - L O/6/ZALO € Example19.2 system valveof a refrigeration entersthe expansion R134a of liquidat a pressure 1.0 MPa,is

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Unformatted text preview: L O/6/ZALO € Example19.2 system valveof a refrigeration entersthe expansion R134a of liquidat a pressure 1.0 MPa,is throttled asa saturated of and exitsat a pressure 0.L0MPa. in the valve, the exiting + What is the qualityof the refrigerant = valve?(Answer:X2 0.41,41 expansion o Nowassume at is that the R134a initially 1.0MPa,80oC. and stateof the fluid after + What is the finaltemperature to the reduces pressure 0.10MPa? a throttlingprocess (Answe 67.7"C,SHV) r: 75 ME 2(N \/ 19.2 for Solutions Example E= Ioh^, ?t= I h^ , n T .i c , i o Q ta ftry. o @ lK€ " 1\P€ : ' F;uo e^' C .o . r { . Vn* c-0,€ : : d ry' Wc,r dilc ,/t ,-F*V, .., ( t) ,/ .i w/' Q/.n 0 / u , tq) 4(r\ " (') uLz ) 16 afr\ uf t) 8 to/6/2oLo J Solutions Example for t9.2 ofc.oe,W:A t;rv'{|,*'rrts , Frn \ ? , = t ob a ^ , S , h L r 1 . ( R - r 3 e * ff- tt frl*Wt,, ' = o T = 3 q . 3 qC 9 , 8 , "R J t o s . ? . 1 E frt'hn^ z' g: I b^ n afk? o A-t: tt,'" 11 ;'!{,"Y, Sino', Ql -\g= .= --,0=8, - ,t{ -1^ v o.+l 2 3 t - ?3 15 + za = -8: H e tU.Z1 Ac -/ br @ ? , , o oc \ b' o 4 t' Solutions Example for t9.2 , R-BQ' t }t)o. a,o,vnvu,e- [I,:,?rZ _ ) A-rz fi'n* T = D R, 3lZ.zRs 4 . fin*t (,= n, &t ?,= | fa^ g u , , l R u r ' ^ )= 2 3 f 3 5F < R , = , ; 3 B . zk :D 9. tl.U \ tr; ;* r-^;; o,-,,m *'- {o ? o ' c . vo2'^* A, !. | { 1 ME 2OO 78 A ar{ O ?o-60 3. 60'c Q(to "c) RQo".)* 0 L O/L3/2oto 19.2 for Solutions ExamPle at is R134a initiallY 1.0 MPa,Tt at is R134a initiallY 1.0 MPa,80oC r0'c 'c T= {7.7 ...
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This note was uploaded on 12/11/2011 for the course ME 200 taught by Professor Gal during the Fall '08 term at Purdue University-West Lafayette.

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SolutionsExample19-2 - L O/6/ZALO € Example19.2 system valveof a refrigeration entersthe expansion R134a of liquidat a pressure 1.0 MPa,is

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