工程热力学课后答案华自强张忠进第三版pdf下载H01

0.1kPaU11000kg/m32789kg/m3ggρρh∆=gphgρ=∆mm10.19m01019.081.910101.033==××=∆hmm12.92m01292.081.9789101.03==××=∆h11630l200mm800kg/m3mmHα2O4gρρνh∆=ghghρρρ∆=∆=vρρ×∆=∆hhρρα×⋅=sinl()C4OmmH80100080030sin2002oo=××=··20976cm/s2U30cmmmHg(020000172.01cmHg30C0×−=ohC)mmHg(097.298o=h'g'hg∆=∆ρρC)mmHg(05.297665.98097697.298o=×=∆=∆=∆g'ghh'p30m0.0986MPa1000kg/m3MPahgppbρ+=6103080665.910000986.0−×××+=0.3928Mpa0.1MPa2030mMPa0phgppρ+=0hgppρ−=0hgTRphgpdddg==−ρTRhgppgdd−=TRghppg0ln−=MPa65099.01.02931.2873081.90g=×==××−−eeppTRgh30m0.735kg/m30.1MPa20··bppghpghpρρ+=+b()ghTRpghpppv⎟⎟⎠⎞⎜⎜⎝⎛−=−=−=ρρρgbbPa5.1333081.9735.02931.287101.06=××⎟⎟⎠⎞⎜⎜⎝⎛−××=0.6MPa401kg300.4MPaMPa6.01=pK3131=TMPa4.02=pK3032=Tkg1=∆m1g1TmRVp=2g21TRmVp−=122121TpTpTpm−=122121g11gTpTpTTRpTmRV−==36m3497.03134.03036.0103038.296=×−×××=−0.5m30.1mmHg30TmRVpg=··minkg100955.0)27330(1.2875.032.1331.03g−×=+−×××==TRpVmA0.3m30.6MPa60BABB0.15MPa200.4MPa50B3Am3.0=VMPa6.0A=pK333A=TMPa15.0B=pK293B=TMPa4.0A=p'K323A=T'kg821.13338.2963.0106.06AgAA=×××==TRVpmAkg252.13238.2963.0104.06AgAAA=×××==T'RV'p'm'Bkg569.0252.1821.1AB=−=−=m'mmBBBgBBpTRmV=36m33.01015.02938.296569.0=×××=9.5m30.1MPa170.2m3170.1MPa0.7MPa173m5.9=VMPa1.01=pMPa7.02=p··TRVppTRVpTRVpmg12g1g2)(−=−=∆()312gm571.07.01.05.9)(=−×=−=∆=pppVpTRmV'bbmin2852.057==τ0.1MPa200.3MPa6080m38m3Mpa1.01=pK2931=TMPa3.02=pK3332max=Tmax2g22maxg22280TRpTRVpm×==1g11g1118TRpTRVpm×==4.2633381.0293803.088011max2212=××××=×⋅×==pTTpmmn0.1m30.4MPa0.1m30.15MPa2525··31m1.0=VMPa4.01=p31m1.0=′VMPa15.01=′pTRVpTRVpmg11g11′′+=p2V′mTRVVpmg1)(+=111121)(VpVpVVp′′+=′+ppVV112′′=′0)(11111211=′′+−+′′VpVppVppV11VV′=0)(11112=′′+−′+pppppp00825.015.012=′−+pppMPa222.0=p32m148.0=′V2V'2Vp1111g22)'(VpVpTRmVVp′′+==[phone])(VpVpppVppVp′′+=′′+··06.0)15.014.01(1.0)15.04.0(1.0)(221122112=+×+×=++=pVpVVpVppMpa245.0=p3111m0613.0'==ppVV3222m163.0'==ppVV0.05kg0.1MPa0.5MPa5012g21g2121lnddVVTmRVVTmRVpW===∫∫−2211VpVp=2112ppVV=J1071.75.01.0ln3238.29605.0ln321g21×−=××==−ppTmRW2m30.9atmJ1082.123251019.0)(51221×=××=−=−VVpWbpp1nvnv1w1211−n(p1v1p2v2··)(11dd12111121112121nnnnnvvvpnvvvpvpw−−−−−===∫∫nnvpvp1122=)(11221121vpvpnw−−=−CO20.25MPa200100pp12.1v2.11v)(11)(1121g221121TTRnvpvpnw−−=−−=−kgkJ45.94)373473(9188.012.11=−××−=0.1m30.3m304.0}{24.0}{3mMPa+=Vp121000N0.2m204.0}{24.0}{3mMPa+=VpPa10)04.024.0(6×+=Vp∫∫+==−2162121d)04.024.0(10dVVvpwJ1076.1]04.0224.0[1043.01.026×=+×=VVJ0100)1.03.0(2.00100)(12=−=−=VVpWJ1066.1010000176421×=−=−=−··0.1MPa0.3m310%0.15MPa1pv2331m3.0=V32m33.0%103.03.0=×+=VMpa1.01=pMpa15.02=pVkpdd=cVkp+=31212mMPa353.033.01.015.0=−−=−−=VVppk11Vkpc−=3.0351.0×−=MPa4.0−=Pa104.01035MPa4.03566×−×=−=VVppvpJ1075.3MJ00375.0)3.033.0()1.015.0(21321×==−×+=−W··J1075.3)3.033.0(104.0)3.033.0(103521d)104.01035(d3622621216621×=−××−−××=×−×==∫∫−VVVpWp12aJ75010)3.033.0()1.015.0(216=×−×−=WPa105.0103566×−×=−=VpppbJ750)3.033.0(105.0)3.033.0(103521d)105.01035(d6226212166=−××−−××=×−×==∫∫VVVpW()TRbvpg=−bvbvTRbvbvTRvbvTRvpw−−=−−=−==∫∫∫−12g21g21g2121ln)d(ddTRpvg=0=b12g21ln'vvTRw=−12g12g2121lnln'vvTRbvbvTRww−−−=−−−··12g2112g11ln)ln(vbvbTRvvbvbvTR−−=×−−=12vv1211vbvb−−0'2121−−−ww'2121−−ww12vv1211vbvb−−0'2121−−−ww'2121−−ww1170.02m25000N300mm10N/mm0.3MPaxApFGFFb++==beppp+=bppAF02.06000+==N100002.0500002.06000=−−+=−−=bbbppApGFFmN101mmN104×==K··0.3-m1.0xKFl===∆m4.01.03.0=+=xWW−=xGlKxApWWVpWbGb−×+∆−−×=++∆=221J6.28604.050001.0101214.002.0101325.024−=×−×××−××−=J6.2860=−=WW⎪⎩⎪⎨⎧≤≤−++≤+=)m4.0m3.0()3.0(250000)m3.00(250000xAxKpxppbb∫∫+∫=∫==4.03.03.004.0021ddddxpAxpAxpAVpWJ6.2860506.2810)3.0(214.0)250000(d)]3.0()250000[(d)250000(4.03.024.03.03.00=+=−+×+=∫−++∫++=xKApxxKApxApbbbJ501.01012121242−=×××−=∆−=lKW