TBT 1735-1986 内燃中冷器性能试验方法

TBTB/T17358619861224198707011.1.1.1.2.1.2.1.1.2.2.1.55min1.2.3.1.3.1.3.1..1.3.2.QKPaPw2.2.1.2.2.2.2.1.2.2.2.2.3.3.3.1.3.1.1.0.O1mm3.1.2.0.953.1.3.3.2.13.2.1.0.020.13.2.2.0.13.3.3.3.1.12mm100150mm3.3.2.3.3.13.3.3.0.4U3.3.4.4.4.1.Ta1ta1K4.2.Ta2ta2K4.3.Vam3h4.4.hstPa4.5.PaPa4.6.Tw1tw1K4.7.Tw2tw2K4.8.Vwm3h4.9.PwPa4.10.BPa5..5.1.25.2.Wwtw1ta1ua4.14.10355.3.uaWwtw1,ta15.25.25.4.5.5.KQPaPwKf(ua)Qa=f(ua)Pa=f(ua)Pw=f(ww)5.6.5.25.55.7.tw10.2ta155.8.QaQw5%6.6.1.()63⋅×=wnwVwξVwm3hnwHzw6.2.221++=nhhhdhndddLL:hdPahd1hd2hdnPahd1=hd1,hd2=hd2,hdn=hdn3hd1hd2…hdnPa6.3.VadahfVρε23600⋅=Vam3/hhdPakg/m3fm36.4.)273(1++asttRhB=1astRThB+kg/m3;BPaHstPaTa1,ta1KR287.1J/(kgK)6.5.TTt12211221ln)()(wawawawatttttttt−−−−−t12211221ln)()(wawawawaTTTTtTTTT−−−−−TKTa1ta1,KTa2ta2KTW2tW1K4TW2tW2Kt6.6._________t=___B=___Pa____________F_____m2fa=_____m2fW=m2f_____m21234567891011121ta12ta23taKtata1-ta24tamtam21(ta1+ta2)5hstPa6kgm3(B+hst)R(273+ta1)7PaPa8PamPaPam=(B+hst)-Pa29CpakJ(kgK)10akgm3a=PamR(273+tam)11hdPa12Vam3hVa=3600fhd·213WamsWa=(Vafa3600)(a)14Uakg(m2s)Ua=aWa15QakWQa=uafaCpata16tW117tW218tWKtW=tW2-tww1519tWmtWm=21(tW1+tw2)20CpkJ(kgK)21Wkgm322VWm3h23WWmsWW=Vw/fw360024QwkWQw=VwWCpWtw/360025[Qa-Qw/Qa]10026TK27KW(m2K)K(QaFT)100028[(ta1-ta2)/(ta1-tW1)]10029PwPa_________________6A()BPaFm2fam2fwm2fm2Ta1,ta1KTa2,ta2KhstPaPaPaCpakJ(kgK)akg/m3hdPaVam3huakg(m2s)QakWTW1,tW1KTW2tW2KCpWkJ(kgK)wkgm3Vwm3hWwmsQwkW%TKKWPWPaRJ(kgK)7B()1bar=103Pa1mbar=10.2kgfm21kgf=981N1Nm2=1Pa1mmH2O=1kgfm2=110-4kgfcm2=9.81Pa1kWh=3.6106J1J=2.7777810-7kWh1kcal=41868J1W1Js1kcal(kgK)=4.1868kJ(kgK)1kcal(m2h)=1.163W(m2K)1kgfm=9.81J8