列管式-管殼式換熱器換熱面積計(jì)算軟件-表格大全

1、逆流對(duì)數(shù)平均溫差公式t=(T1-t2)-(T2-t1)/LN(T1-t2)/(T2-t1)逆流對(duì)數(shù)平均溫差計(jì)算T1T2計(jì)算結(jié)果10035熱量公式Q=Cp*M*t熱量計(jì)算Cp(KJ/Kg.C)M(Kg)計(jì)算結(jié)果1.0050.1325換熱面積公式A=Q/(K*t)面積計(jì)算Q(J)K(w/m2.C)計(jì)算結(jié)果8655.562533冷卻水量M=Q/(Cp*t)水量計(jì)算Q(KJ/h)Cp(KJ/Kg.C計(jì)算結(jié)果8.65556254.174總面積8.506538846換熱管外徑（mm）25換熱管內(nèi)徑（mm）20換熱管長(zhǎng)度（m）1.5單管單位長(zhǎng)度換熱面積0.078539816單管換熱面積0.117809724

2、管數(shù)72.2057444換換熱熱器器部部分分計(jì)計(jì)算算管程介質(zhì)為熱空氣進(jìn)口溫度 () Tt1=100出口溫度 () Tt2=35工作壓力（MPa) Pt=0.5平均溫度 () Tt=67.5流體的比定壓熱容Cp(KJ/(kg.)=1.005流量(t/h) Q=450流體密度（kg/m3)=1.06所需熱量(KJ/h)=-31160.025殼程介質(zhì)為水進(jìn)口溫度 () Ts1=25出口溫度 () Ts2=30工作壓力（MPa) Pt=0.5平均溫度 () Ts=27.5流體的比定壓熱容Cp1(KJ/(kg.)=4.174流速0.51.溫差放出熱量(KJ/(kg)）為-20.87所需冷卻水0.4147

3、換熱管外徑（mm）25換熱管內(nèi)徑（mm）20換熱管長(zhǎng)度（mm）1500換熱管數(shù)量110.00換熱器管程程數(shù)1換熱管換熱面積（m2）12.95906948換熱管內(nèi)介質(zhì)流速(m/s)3.618992472總傳熱系數(shù)K計(jì)算熱空氣在管內(nèi)強(qiáng)制湍流傳熱流體的導(dǎo)熱系數(shù) (W/(m.)0.029流體主體粘度（Pa.s)0.00002管內(nèi)強(qiáng)制湍流傳熱ai21.209474水體在管外強(qiáng)制湍流傳熱流體的導(dǎo)熱系數(shù) (W/(m.)0.626殼程流體介質(zhì)平均溫度下密度 （kg/m3)994殼程流體介質(zhì)平均溫度下流體主體粘度（Pa.s)7.25E-04殼程流體介質(zhì)在管壁溫度下流體粘度（Pa.s)w7.00E-05管外強(qiáng)制湍

4、流傳熱ao383.3017298400換熱管選用材料10管換熱管傳熱系數(shù)45總傳熱系數(shù) K=20.12W/(m2K)流體的有效平均溫差()-30.83換熱面積（m2） F=13.95t1t2t253030.83t(C)Q(KJ/s)658.66t(C)A(m2)30.833900548.506538846t(C)M(Kg/s)50.41471493.05A(m2)（給定）（給定）（給定）(計(jì)算）(查表）（給定）(查表）功率-8.66（給定）（給定）（給定）(查表）t=(T1-t2)-(T2-t1)/LN(T1-t2)/(T2-t1)Q=Cp*M*tA=Q/(K*t)M=Q/(Cp*t)介質(zhì)為水

5、（給定）（給定）（給定）（給定）（給定）雷諾數(shù)3836.1320213836.1320210.8705.190.0006931030.4(查表）本計(jì)算表格是基于換熱器設(shè)計(jì)手冊(cè)（錢(qián)頌文主編）中相關(guān)公式進(jìn)行的計(jì)算Q=KAtQ=KAtm式式中中： Q-熱負(fù)荷，WK-總傳熱系數(shù)，W/(m2.)A-換熱器傳熱面積，m2tm-進(jìn)行換熱的兩流體之間的平均溫度差，其其中中總總傳傳熱熱系系數(shù)數(shù)K K的的計(jì)計(jì)算算公公式式如如下下：熱負(fù)荷Q的計(jì)算熱流體進(jìn)口溫度T1= 100冷流體進(jìn)口溫度t1=熱流體出口溫度T2= 35冷流體出口溫度t2=熱流體定性溫度T= 67.5 冷流體定性溫度t=熱流體質(zhì)量流量mh= 0.13

6、125kg/s冷流體質(zhì)量流量mc=熱熱負(fù)負(fù)荷荷Q=Q=8660W平均溫差與溫度修正系數(shù)tm的計(jì)算1 1、當(dāng)當(dāng)換換熱熱器器冷冷熱熱流流體體逆逆向向流流動(dòng)動(dòng)時(shí)時(shí)較大端溫差t2= 70較小端溫差t1= 10t1/t2=0.142863 3、確確定定平平均均溫溫度度差差4 4、確確定定溫溫度度修修正正系系數(shù)數(shù)(1)(1)對(duì)對(duì)于于單單殼殼程程、雙雙管管程程或或者者2n2n管管程程的的管管殼殼式式換換熱熱器器P= 0.06666667R= 135 5、根根據(jù)據(jù)P P、R R值值查查圖圖，確確定定對(duì)對(duì)應(yīng)應(yīng)溫溫度度修修正正系系數(shù)數(shù)(3)(3)當(dāng)當(dāng)tt1/t/t2 22 時(shí)時(shí)且且逆逆向向流流動(dòng)動(dòng)時(shí)時(shí)溫度修正系數(shù)

7、 FT=0.98tm= 30.22tm= 30.83總傳熱系數(shù)K的計(jì)算管程對(duì)流傳熱系數(shù)Rei=7725.968243 (湍流）Pri=0.693103448i=污垢熱阻管外污垢熱阻Rso= 0.000172(m2.)/W管內(nèi)流體污垢熱阻Rsi=殼程對(duì)流傳熱系數(shù)de=去換熱器列管中心距 t=32 mmA=0.02953125 m20.032 mReo=高變氣被冷卻，?。?w）0.140.95uo=0.00308731Pro=0.00483411o=總總傳傳熱熱系系數(shù)數(shù)1/Ko=0.04310163安全系數(shù)Ko=23.2009795 W/(m2.) 最終結(jié)果對(duì)比管程壓降kpa 376.409694

8、5376.4096945殼程壓降kpa 0.059701490.05970149計(jì)算總換熱系數(shù)Ko=23.20097945混混合合氣氣體體粘粘度度、導(dǎo)導(dǎo)熱熱系系數(shù)數(shù)計(jì)計(jì)算算公公式式如如下下凈化氣在定性溫度292時(shí)的物性數(shù)據(jù)（101.3kpa）物料粘度 Pas密度 kg/m3導(dǎo)熱系數(shù)w/(m2)熱容kj/kg25H2O4.52E-060.00712.08H23.68E-060.079714.530CH43.16E-080.00013.25N22.94E-060.00431.1327.5 Ar4.81E-080.000020.8CO22.11E-070.00211.111450kg/hCO5.81

9、E-070.00051.13熱空氣2.00E-051.05000.02901.0050假設(shè)K時(shí)換熱面積設(shè)備選型殼徑 mm管程數(shù)公稱(chēng)面積m2管子總數(shù)管長(zhǎng) m管子尺寸 mm K=25 W/(m2.) K= S=11.46m2S0=管程壓降核算iiiMMiimyySS=mm熱負(fù)荷Q的計(jì)算平均溫差與溫度修正系數(shù)tm的計(jì)算 Ft=1.4 Np=2流通面積 Ai=0.01783757 m2ui=Rei=7725.96824 (湍流）假設(shè)管壁粗糙度=0.1mm/di= 0.0047619=p1= 57.087576 Pap2=P=376.409695 Pa殼程壓降核算 Fs=1 Ns= 135.366175

10、52W/(m2.)nc= 12.077181折流擋板間距 h=0.00017197(m2.)/WNB=4流通面積 Ao=0.04442114 m2uo=0.027151893 mReo=312.663926 50011.49286461800fo=1.3492495252.67507917W/(m2.)p1= 0.0539117 Pap2=60P=0.05970149 Pa要求（110kpa）-8.3150391.151.250.9280392總傳熱系數(shù)K的計(jì)算管程對(duì)流傳熱系數(shù)污垢熱阻殼程對(duì)流傳熱系數(shù)安全系數(shù)高變氣在定性溫度430時(shí)的物性數(shù)據(jù)（101.3kpa）物料粘度 Pas密度 kg/m3

11、導(dǎo)熱系數(shù)w/(m2)H2O4.88E-060.0085H24.08E-060.0887CH43.45E-080.0001N23.21E-060.0048Ar5.27E-080.0000CO22.30E-070.0023CO6.34E-070.0006水7.250E-04994.00000.6260F600-3.2-4545021031.52520.02125.312011.33計(jì)算總換熱系數(shù)Ko=2 23 3. .2 20 00 09 97 79 94 45 5設(shè)備選型管程壓降核算(530)7.007680946 m/s0.03177.34445778 Pa正方形斜轉(zhuǎn)45度排列時(shí) F= 0.4

12、0.3m(515)0.009121986 m/s0.005789793 Pa殼程壓降核算折流擋板間距 h=要求（110kpa）熱容kj/kg2.114.73.0651.1220.81.131.124.1740高變氣在定性溫度430時(shí)的物性數(shù)據(jù)（101.3kpa）本計(jì)算表格是基于換熱器設(shè)計(jì)手冊(cè)（錢(qián)頌文主編）中相關(guān)公式進(jìn)行的計(jì)算Q=KAtQ=KAtm式式中中： Q-熱負(fù)荷，WK-總傳熱系數(shù)，W/(m2.)A-換熱器傳熱面積，m2tm-進(jìn)行換熱的兩流體之間的平均溫度差，其其中中總總傳傳熱熱系系數(shù)數(shù)K K的的計(jì)計(jì)算算公公式式如如下下：熱負(fù)荷Q的計(jì)算熱流體進(jìn)口溫度T1= 440熱流體出口溫度T2= 42

13、0熱流體定性溫度T= 430 熱流體質(zhì)量流量mh= 100683kg/s熱熱負(fù)負(fù)荷荷Q=Q=1173387.305W平均溫差與溫度修正系數(shù)tm的計(jì)算1 1、當(dāng)當(dāng)換換熱熱器器冷冷熱熱流流體體逆逆向向流流動(dòng)動(dòng)時(shí)時(shí)2 2、當(dāng)當(dāng)換換熱熱器器冷冷熱熱流流體體并并向向流流動(dòng)動(dòng)時(shí)時(shí)較大端溫差t2= 130較大端溫差較小端溫差t1= 146較小端溫差t1/t2=1.123076923t1/t2=3 3、確確定定平平均均溫溫度度差差4 4、確確定定溫溫度度修修正正系系數(shù)數(shù)(1)(1)當(dāng)當(dāng)tt1/t/t2 22 時(shí)時(shí)且且逆逆向向流流動(dòng)動(dòng)時(shí)時(shí)(1)(1)對(duì)對(duì)于于單單殼殼程程、雙雙管管程程或或者者2n2n管管程程的的

14、管管殼殼式式換換熱熱器器tm= 138P= 0.21686747(2)(2)當(dāng)當(dāng)tt1/t/t2 222 時(shí)時(shí)且且逆逆向向流流動(dòng)動(dòng)時(shí)時(shí)溫度修正系數(shù) FT=tm=tm= 137.8452718(4)(4)當(dāng)當(dāng)tt1/t/t2 22 時(shí)時(shí)且且并并向向流流動(dòng)動(dòng)時(shí)時(shí)tm= 136.0850301總傳熱系數(shù)K的計(jì)算管程對(duì)流傳熱系數(shù)Rei=598748.6785(湍流）Pri=污垢熱阻管外污垢熱阻Rso= 0.00017197(m2.)/W殼程對(duì)流傳熱系數(shù)去換熱器列管中心距 t=32 mmA=0.01968750.032 m高變氣被冷卻，?。?w）0.140.95uo=18.27789371Pro=0.0

15、00735821/Ko=0.005054993總總傳傳熱熱系系數(shù)數(shù)Ko=197.8242193最終結(jié)果對(duì)比管程壓降kpa4 44 41 18 89 9. .4 40 04 45 58 8殼程壓降kpa1 12 26 62 23 3. .2 23 36 67 72 2計(jì)算總換熱系數(shù)Ko=197.8242193凈化氣在定性溫度292時(shí)的物性數(shù)據(jù)（101.3kpa）物料冷流體進(jìn)口溫度t1= 274H2OH2冷流體出口溫度t2= 310CH4N2冷流體定性溫度t= 292 ArCO2冷流體質(zhì)量流量mc= 35361.6477kg/hCO混合氣體t2= 166t1= 1100.6626506iiiMMi

16、imyySS=mm本計(jì)算表格是基于換熱器設(shè)計(jì)手冊(cè)（錢(qián)頌文主編）中相關(guān)公式進(jìn)行的計(jì)算Q=KAtQ=KAtm熱負(fù)荷Q的計(jì)算平均溫差與溫度修正系數(shù)tm的計(jì)算2 2、當(dāng)當(dāng)換換熱熱器器冷冷熱熱流流體體并并向向流流動(dòng)動(dòng)時(shí)時(shí)較大端溫差較小端溫差t1/t2=4 4、確確定定溫溫度度修修正正系系數(shù)數(shù)(1)(1)對(duì)對(duì)于于單單殼殼程程、雙雙管管程程或或者者2n2n管管程程的的管管殼殼式式換換熱熱器器0.98135.090.780321891i= 8561.12883W/(m2.)管內(nèi)流體污垢熱阻Rsi= 0.00017197(m2.)/Wde=0.027151893 mm2Reo=127375.896o= 221.

17、1385697W/(m2.)安全系數(shù)2.70913867W/(m2.)1.151.250.989121097 5 5、根根據(jù)據(jù)P P、R R值值查查圖圖，確確定定對(duì)對(duì)應(yīng)應(yīng)溫溫度度修修正正系系數(shù)數(shù)總傳熱系數(shù)K的計(jì)算管程對(duì)流傳熱系數(shù)污垢熱阻殼程對(duì)流傳熱系數(shù)混混合合氣氣體體粘粘度度、導(dǎo)導(dǎo)熱熱系系數(shù)數(shù)計(jì)計(jì)算算公公式式如如下下高變氣在定性溫度430時(shí)的物性數(shù)據(jù)（101.3kpa）粘度 Pas密度 kg/m3導(dǎo)熱系數(shù)w/(m2)熱容kj/kg物料6.29E-060.01472.08H2O9.08E-060.169914.5H24.82E-080.00013.25CH44.42E-060.00711.13N

18、27.38E-080.000120.8Ar3.17E-070.00361.11CO28.75E-070.00081.13CO2.11E-0596.69880.19647.2634混合氣體假設(shè)K時(shí)換熱面積設(shè)備選型F600-3.2-45殼徑 mm600管程數(shù)2公稱(chēng)面積m245管子總數(shù)198管長(zhǎng) m3管子尺寸 mm252.5 K=200 W/(m2.)K=192.61 S=43.43m2S0=45.10計(jì)算總換熱系數(shù)Ko=凈化氣在定性溫度292時(shí)的物性數(shù)據(jù)（101.3kpa）iiiMMiimyySS=mm管程壓降核算 Ft=1.4 Np=2(530)流通面積 Ai=0.031101767 m2ui=

19、6.53211393 m/sRei=598748.6785 (湍流）假設(shè)管壁粗糙度=0.1mm/di= 0.005= 0.031p1=9592.937968 Pap2=6188.992238 PaP=44189.40458 Pa殼程壓降核算 Fs=1 Ns= 1正方形斜轉(zhuǎn)45度排列時(shí) F=nc=16.74478426折流擋板間距 h=0.15NB=19(515)流通面積 Ao=0.027207059 m2uo=13.22620105 m/sReo=848664.6746 500fo=0.222442705p1=8102.60887 Pap2=4520.627845 PaP=12623.2367

20、2 Pa要求（110kpa）粘度 Pas密度 kg/m3導(dǎo)熱系數(shù)w/(m2)熱容kj/kg7.42E-060.01872.11.63E-050.270014.75.58E-080.00023.0655.04E-060.00841.128.47E-080.000120.83.71E-070.00441.139.99E-070.00101.123.028E-0577.72070.30277.35610.02201 19 97 7. .8 82 24 42 21 19 93 3高變氣在定性溫度430時(shí)的物性數(shù)據(jù)（101.3kpa）F600-3.2-450.4m管程壓降核算殼程壓降核算逆流對(duì)數(shù)平均溫差

21、公式t=(T1-t2)-(T2-t1)/LN(T1-t2)/(T2-t1)并流對(duì)數(shù)平均溫差公式逆流對(duì)數(shù)平均溫差計(jì)算T1T2t1t2t逆流對(duì)數(shù)平均溫差計(jì)算計(jì)算結(jié)果10030253024.63熱量公式Q=Cp*M*t蒸汽熱量公式熱量計(jì)算Cp(KJ/Kg.C)M(Kg)t(C)Q(KJ/s)熱量計(jì)算計(jì)算結(jié)果1.0050.1325709.321375計(jì)算結(jié)果換熱面積公式A=Q/(K*t)換熱面積公式面積計(jì)算Q(J)K(w/m2.C)t(C)A(m2)面積計(jì)算計(jì)算結(jié)果9321.3754024.137406679.65449098計(jì)算結(jié)果冷卻水量M=Q/(Cp*t)冷卻水量水量計(jì)算Q(KJ/h)Cp(KJ

22、/Kg.Ct(C)M(Kg/s)水量計(jì)算計(jì)算結(jié)果9.3213754.17450.446639914計(jì)算結(jié)果1607.90369s0dn0.020.0628lm1.50.0942n25102.489288540t=(T1-t1)-(T2-t2)/LN(T1-t1)/(T2-t2)算數(shù)平均溫差公式t=(T1-t2)-(T2-t1)/2T1T2t1t2t逆流算數(shù)平均溫差公式T1403051026.8041043940Q=r*M(表壓4Kg/cm2)r(KJ/Kg)M(Kg)Q(KJ)5051000505000A=Q/(K*t)Q(KJ)K(KJ/m2.h.C)t(C)A(m2)50500080024

23、.6300068125.62930676M=Q/(Cp*t)Q(KJ)Cp(KJ/Kg.Ct(C)M(Kg)50500015101000T2t1t2t3051027.5t=(T1-t2)-(T2-t1)/2設(shè)備計(jì)算相關(guān)物性參數(shù)定性溫度為292時(shí)凈化氣的物性數(shù)據(jù)物料分子量摩爾比比熱容臨界粘度實(shí)際粘度kg/(mh)H2O18.015227.4 2.080.56992 0.17860.0594H22.015843.61 14.56.32345 0.01250.0304CH416.04260.25 3.250.008125 0.0580.0454N228.013415.5 1.130.17515 0.

24、06550.0684Ar39.9480.2 20.80.0416 0.09520.0867CO244.009810.86 1.110.120546 0.012350.0070CO28.01042.18 1.130.024634 0.09520.0959混合氣體7.263425定性溫度為430時(shí)高變氣的物性數(shù)據(jù)物料分子量摩爾比比熱容臨界粘度實(shí)際粘度kg/(mh)H2O18.015227.4 2.10.5754 0.17860.0641H22.015843.61 14.76.41067 0.01250.0337CH416.04260.25 3.0650.0076625 0.0580.0497N22

25、8.013415.5 1.120.1736 0.06550.0746Ar39.9480.2 20.80.0416 0.09520.0949CO244.009810.86 1.130.122718 0.012350.0076CO28.01042.18 1.120.024416 0.09520.1047混合氣體7.3560665臨界導(dǎo)熱系數(shù)實(shí)際導(dǎo)熱系數(shù)T kp MpaTrkcal/(mh)0.13020.022389217300.652.80.460.05450.157206827300.652.89.060.04040.028577216300.652.81.580.02340.02387138

26、5300.652.82.380.01730.01488508300.652.81.990.03630.016233638300.652.80.990.02020.01971558300.652.82.26臨界導(dǎo)熱系數(shù)實(shí)際粘度T kp MpaTrkcal/(mh)0.13020.026668177340.653.20.530.05450.174880384340.653.210.260.04040.03211340.653.21.790.02340.026609186340.653.22.700.01730.016676829340.653.22.260.03630.018443573340.6

27、53.21.120.02020.021998717340.653.22.56設(shè)備計(jì)算相關(guān)物性參數(shù)定性溫度為292時(shí)凈化氣的物性數(shù)據(jù)定性溫度為430時(shí)高變氣的物性數(shù)據(jù)Pr相關(guān)參數(shù)ABCDPc MpaTc k0.130.217836908-4.9355322111.03152E-06005647.32.162.4037250413.6557228929.65219E-092.8529846341.29733.20.610.688760651-3.8226128029.76163E-050.6413995954.6190.60.820.9716792-3.017670365

28、1.45298E-050.9614359363.394126.20.570.840581782-3.4062997358.47332E-060.8111640334.874150.80.380.451990996-4.4116699540.0002564020.3843813757.376304.20.800.932211418-3.1377727610.0000194380.9158072393.496132.9Pr相關(guān)參數(shù)ABCDPc MpaTc k0.150.246679778-4.8737370622.28434E-060.16787750722.05647.32.472.671406

29、1134.8605421693.88029E-093.1775384911.29733.20.700.766822938-3.6127492137.03599E-050.7281541454.6190.60.941.071557918-2.7007131541.03338E-051.078518833.394126.20.660.931122324-3.1410477456.08232E-060.9145530234.874150.80.430.507190849-4.2801775150.0002431990.4435439587.376304.20.921.029420161-2.8367

30、945821.38436E-051.0288316883.496132.9定性溫度為292時(shí)凈化氣的物性數(shù)據(jù)定性溫度為430時(shí)高變氣的物性數(shù)據(jù)密度求解標(biāo)況下實(shí)況下質(zhì)量流量#REF!273.1500300.65 溫度體積流量#REF!0.10132.9 壓力密度 #REF!#REF!密度18177.06252密度求解標(biāo)況下實(shí)況下質(zhì)量流量#REF!273.1500340.65 溫度體積流量#REF!0.10132.9 壓力密度 #REF!#REF!密度16042.66504據(jù)據(jù)生生產(chǎn)產(chǎn)經(jīng)經(jīng)驗(yàn)驗(yàn)可可知知，傳傳熱熱系系數(shù)數(shù)大大致致范范圍圍如如下下： 換熱器的K值范圍管 內(nèi)管 間K（W/.C)氣體氣體1

31、035水氣體1060水 水 8001750水 水蒸汽11004000水溶液（210-3pa.s)水蒸汽5802800在制鹽蒸發(fā)中，加熱室均為管間水蒸汽，管內(nèi)水溶液，K值一般在14002500（W/.C）。對(duì)對(duì)不不同同管管材材，其其K K值值選選用用范范圍圍如如下下：不不同同材材料料的的K K值值材料 K值（W/.C)123碳鋼200018001600銅管250021001800銅鎳合金250021001800不銹鋼 200018001600鈦管250021001800K(W/m2.C)8.630.18.651.668.8150594634409463440498.824081204215041

32、4001500150014001500據(jù)據(jù)生生產(chǎn)產(chǎn)經(jīng)經(jīng)驗(yàn)驗(yàn)可可知知，傳傳熱熱系系數(shù)數(shù)大大致致范范圍圍如如下下： 換熱器的K值范圍K（W/.C)10351060800175011004000110040005802800在制鹽蒸發(fā)中，加熱室均為管間水蒸汽，管內(nèi)水溶液，K值一般在14002500（W/.C）。對(duì)對(duì)不不同同管管材材，其其K K值值選選用用范范圍圍如如下下：不不同同材材料料的的K K值值K值（W/.C)壓壓力力單單位位換換算算牛頓/米2 （N/)或帕斯卡（Pa）巴（bar) 公斤/厘米2（kg/c)或工程大氣壓（at）磅/英寸2（1b/in2）大氣壓 （atm） （標(biāo)準(zhǔn)大氣壓） 110

33、-5.1.0210-51.4510-49.86910-6105.11.0214.50.98699.8071040.9807114.220.96786.8951036.89510-27.03110-216.80510-21.0131051.0131.03314.711.3331021.33310-31.3610-31.93410-21.31610-33.3861033.38610-23.45310-20.49123.34210-29.7989.79810-59.99110-51.42110-39.6710-52.4891022.48910-32.53810-33.60910-22.45610-3

34、1達(dá)因/厘米2（dyn/c)=1巴利（barye)=1微巴（wbar)=10-6巴（bar)1毫米水柱（mmH2O)(4)=1公斤/米2（kg/m2)1毫米汞柱（mmH2O)(0)= 1乇（torr)1磅達(dá)/英尺2（pdl/ft2)=1.488牛頓/米2（N/）傳傳熱熱系系數(shù)數(shù)單單位位換換算算焦耳/米2.秒.KJ/(.S.K)或瓦/米2.KW/(.K)千卡/米2.時(shí).kcal(.h.)卡/厘米2.秒cal/(c.s.)英熱單位/英尺2.時(shí).。FBtu/(ft2h.。F 10.85982.38810-50.17611.16212.77810-50.20484.1871043.6104173735

35、.6784.8821.35610-41擴(kuò)擴(kuò)散散系系數(shù)數(shù)單單位位換換算算厘米/2秒（/s）米2/時(shí)（/h）英尺2/時(shí)（ft2/h)英尺2/秒in2/s10.363.8750.1552.778110.760.43060.25810.092910.046.4522.323251表表面面張張力力單單位位換換算算達(dá)因/厘米（dyn/cm)克/厘米(g/cm)公斤/米（kg/m)磅/英尺(lb/ft)11.0210-31.0210-46.85410-5980.710.16.7210-298071010.6721459214.881.4881溫溫度度換換算算公公式式攝氏度華氏度蘭金/度。R開(kāi)爾文K9/5+3

36、29/5+491.67+273.15 5/9(-32)+459.675/9(+459.67)5/9(。R-491.67)。R-459.67。R5/9。RK-273.159/5K-459.679/5KK功功、能能和和熱熱量量單單位位換換算算焦耳（J）公斤.米（kg.m)米制馬力.時(shí)（PS.b）米制馬力.時(shí)（HP.b）千瓦.時(shí)（kw.h)10.1023.77710-73.72510-72.77810-79.80713.70410-63.65310-62.72410-62.6481062.710510.98630.73552.6851062.7381051.01410.74573.61063.671

37、1051.361.34114187426.91.58110-31.55910-31.16310-31055107.63.98510-43.9310-42.9310-41.3560.13835.12110-75.0510-73.76810-7體體積積流流率率單單位位換換算算米3/時(shí)（m3/h)米3/分（m3/min)米3/秒（m3/s)英尺3/時(shí)（ft3/h)英尺3/秒（ft3/s)11.66710-22.77810-435.319.8110-36011.66710-32.1191030.58863.61036011.27110535.312.83610-24.7210-47.86610-612

38、.77810-41.0191021.6992.83210-23.610310.27284.54610-37.57710-59.6322.67610-30.22713.78510-36.30910-58.0212.22810-3重重量量和和質(zhì)質(zhì)量量流流率率單單位位換換算算公斤/秒（kg/s)公斤/時(shí)（kg/h)磅/秒(lb/s)磅/時(shí)（lb/h) 噸/日（t/d)13.61032.2057.93710386.42.77810-416.12410-42.2052.410-20.45361.63310313.610339.191.2610-40.45362.77810-411.08910-21.15

39、710-241.670.0255291.8613.47210-50.1257.65610-50.2756310-3動(dòng)動(dòng)力力粘粘度度單單位位換換算算公斤.秒/米2（kg.s/)牛頓.秒/米2（N.s/)或帕.秒（Pa.s)泊（P）或克/（厘米.秒）g/(cm.s)厘 泊（cP）磅.秒/英尺2（lb.s/ft2)19.8198.19.811030.2050.102110 103.20.910-31.0210-20.11 10 220.910-41.0210-4 10-3 10-2120.910-54.8847.88478.84.78810411達(dá)因.秒/厘米2（dyn.s/c)=1泊（P）；1牛頓

40、.秒/米2（N.s/）=1公斤（質(zhì)）/米.秒kgm/(m.s)=3600公斤（質(zhì)）/米.時(shí)kgm/(m.h)運(yùn)運(yùn)動(dòng)動(dòng)粘粘度度單單位位換換算算厘米/2秒（/s）或沲（St)米2/秒（/s)米3/時(shí)（/h)英尺2/秒（ft2/s)英尺2/時(shí)（ft2/h)1 10-40.361.07610-33.875 104.13.610310.763.8751042.7782.77810-412.9910-310.769299.2910-23.34610213.61030.2582.5810-59.2910-22.7810-411厘沲（cst)=10-2沲（st）功功率率單單位位換換算算瓦 （W）千 瓦（KW）

41、米制馬力（PS）英制馬力（HP）公斤.米/秒 （kg.m/s)1 10-3 1.3610-31.34110-30.10210 3 11.361.341102735.50.735510.986375745.70.74571.014176.049.8079.80710-31.33310-21.31510-2141874.1875.6925.614426.910551.0551.4341.415107.61.3561.35610-31.84310-31.8210-30.1383毫米汞柱（0）（mmHg) 英寸汞柱（0）（inHg) 毫米水柱（15） （mmH2O)英寸水柱（15）（inH2O 7.5

42、0110-32.95310-40.10214.01810-3750.129.531.021104401.8735.628.961.001104394.151.712.0367.03710227.776029.921.034104407.213.93710-213.610.535725.413.45610213.617.34910-22.89310-313.93710-21.8677.34910-225.41壓壓力力單單位位換換算算1達(dá)因/厘米2（dyn/c)=1巴利（barye)=1微巴（wbar)=10-6巴（bar)1毫米水柱（mmH2O)(4)=1公斤/米2（kg/m2)1毫米汞柱（mm

43、H2O)(0)= 1乇（torr)1磅達(dá)/英尺2（pdl/ft2)=1.488牛頓/米2（N/）千卡（kcal）英熱單位（Btu）英尺.磅（ft.lb)2.38910-49.47810-40.73762.34210-39.29510-37.233632.525101.953106641.22544.41.98106859.834122.65510613.9683.0871030.2521778.23.2410-41.28510-31應(yīng)加侖/分（Imp.gal/min)美加侖/分 （U.S.gal/min)3.6674.4032.19981022.6421021.421041.5851040.1

44、0380.12473.7371024.48810211.2010.83271功功、能能和和熱熱量量單單位位換換算算體體積積流流率率單單位位換換算算重重量量和和質(zhì)質(zhì)量量流流率率單單位位換換算算噸/年（8000小時(shí)） （t/a)2.8810481.3061043.6293.3331021千卡/秒（kcal/s)英熱單位/秒（Btu/s）英尺.磅 /秒（ft.lb/s)2.3910-49.47810-40.73760.2390.9478737.60.17570.6972542.50.17810.7068550功功率率單單位位換換算算2.34210-39.29510-37.23313.96830870

45、.2521778.23.2410-41.28510-31 壓壓力力、應(yīng)應(yīng)力力（SI）帕斯卡paN/ m-1.kg.s-2達(dá)因/平方厘米dyn/c公斤（力）/平方厘米（工程大氣壓 kg(f)/c大氣壓（標(biāo)準(zhǔn)大氣壓）atm磅（力）/平方英尺ld(f)/ft21101.019720E-059.869230E-062.088530E-021.00E-0111.02E-069.8690E-072.08853E-039.806650E+049.806650E+0510.967841020481.013250E+051.013250E+061.033231211747.8803478.8034.882000

46、E-044.725000E-041 6.894760E+036.894760E+047.030690E-026.804600E-021441.333220E+021.333220E+031.360000E-031.316000E-032.78453.38639E+033.38639E+044.45300E-023.34200E-027.07267E+019.79100E+039.79100E+041.00000E-019.67700E-022.04600E+022.48840E+022.48840E+032.53800E-032.45600E-035.19800E+001.00000E+051.00000E+061.01972E+059.86923E-012.08985E+03能能、功功、熱熱量量（SI)焦耳（J）N.m.kg.s-2公斤（力）-米kg(f).m英尺-磅（力）ft.lb(f)千瓦-時(shí)kw.h馬力（英）-時(shí)hp.h11.01972E-017.37600E-012.77778E-073.72506E-079.8066517.23300E+002.72400E-063.65300E-061.3561.38300E-0113.76600E-075.05100E-073.60000E+063.67100E+052.65500E+0611.34100