水的粘度計算表

水的黏度表（0～40℃）溫度T粘度μPa·s或N·s·m—2溫度T粘度μ

Pa·s或N·s·m-2℃K℃K0273.161。79211。7921×10-320.2293.361.00001.0000×10—31274。161。73131。7313×10—321294.160.98100.9810×10-32275。161。67281。6728×10—322295。160。95790.9579×10-33276。161。61911.6191×10-323296。160。93580。9358×10-34277.161.56741.5674×10-324297.160.91420.9142×10—35278.161。51881。5188×10-325298。160。89370.8937×10—36279。161。47281.4728×10-326299.160.87370.8737×10—37280.161。42841.4284×10—327300.160。85450。8545×10—38281.161.38601。3860×10-328301。160。83600。8360×10—39282。161.34621。3462×10—329302。160。81800.8180×10—310283.161.30771.3077×10—330303.160.80070.8007×10-311284.161.27131。2713×10-331304。160.78400.7840×10-312285。161.23631。2363×10-332305。160.76790。7679×10-313286.161。20281.2028×10-333306.160。75230.7523×10-314287。161。17091。1709×10—334307。160.73710。7371×10-315288.161.14041.1404×10-335308.160。72250.7225×10-316289。161.11111.1111×10-336309。160。70850.7085×10—317290。161.08281.0828×10—337310.160.69470。6947×10-318291。161。05591。0559×10—338311.160.68140。6814×10—319292。161。02991.0299×10-339312。160.66850。6685×10-320293。161。00501。0050×10—340313。160.65600.6560×10—3水的物理性質(zhì)溫度t/℃飽和蒸氣壓p/kPa密度ρ/kg·m-3焓H/kJ·kg-1比定壓熱容cp/kJ·kg—1·K—1導(dǎo)熱系數(shù)λ/10-2W·m-1·K-1粘度μ/10—5Pa·s體積膨脹系數(shù)α/10-4K-1表面張力σ/10—3N·m—1普蘭德數(shù)Pr00.6082999.904。21255.13179.210.6375。613。66101.2262999。742。044.19757.45130.770。7074.19.52202.3346998.283.904.18359.89100。501。8272。67。01304。2474995.7125.694.17461。7680.073.2171.25。42407。3766992。2165.714.17463。3865.603。8769。64。325012.31988.1209.304。17464。7854.944。4967。73.546019。932983。2251。124.17865.9446.885.1166。22。987031。164977.8292。994。17866。7640。615.7064.32.548047.379971。8334.944.19567。4535。656。3262.62.229070.136965。3376。984。20867。9831.656。9560。71。96100101.33958。4419。104.22068。0428.387.5258。81.76110143.31951.0461。344.23868.2725.898。0856.91。61120198.64943.1503.674。25068.5023。738.6454。81.47130270.25934。8546.384。26668。5021。779。1752.81.36140361.47926。1589。084。28768.2720.109.7250.71.26150476.24917。0632.204。31268。3818。6310.348.61。18160618。28907。4675。334.34668.2717.3610。746.61.11170792。59897.3719。294。37967.9216。2811。345.31。051801003。5886.9763.254。41767.4515.3011。942.31.001901255。6876。0807。634.46066.9914.4212.640。80.962001554.77863。0852。434。50566。2913。6313.338。40。932101917.72852。8897。654.55565。4813.0414.136。10.912202320。88840。3943.704。61464。5512。4614.833.80。892302798。59827。3990。184.68163。7311。9715。931.60。882403347.91813。61037.494。75662。8011。4716.829.10.872503977。67799。01085.644.84461.7610.9818。126。70。862604693。75784。01135。044.94960.8410.5919.724。20.872705503.99767。91185.285.07059.9610。2021。621。90。882806417.24750.71236。285.22957。459。8123。719.50.892907443.29732.31289.955.48555。829。4226。217。20。933008592.94712.51344。805。73653.969。1229。214。70。973109877.96691。11402.166.07152.348。8332.912。31。0232011300.3667。11462。036.57350。598。5338.210.01.1133012879.6640.21526。197.24348。738。1443。37.821.2234014615.9610.11594.758。16445.717.7553.45.781.3835016538.5574。41671.379.50443.037。2666.83。891.6036018667.1528。01761。3913.98439。546。671092。062。3637021040。9450.51892.4340。31933.735.692640.486。80F3

Viscositydecreaseswithpressure(attemperaturesbelow33°Viscousflowoccursbymoleculesmovingthroughthevoidsthatexistbetweenthem.Asthepressureincreases,thevolumedecreasesandthevolumeofthesevoidsreduces,sonormallyincreasingpressureincreasestheviscosity。Water’spressure-viscositybehavior［\l”r534”\o"gotocitedreference"534］canbeexplainedbytheincreasedpressure（uptoabout150MPa)causingdeformation,soreducingthestrengthofthehydrogen-bondednetwork,whichisalsopartiallyresponsiblefortheviscosity.Thisreductionincohesivitymorethancompensatesforthereducedvoidvolume。ItisthusadirectconsequenceoftheHYPERLINK”http：//www1.lsbu。ac.uk/water/abstrct.html"balancebetweenhydrogenbondingeffectsandthevanderWaalsdispersionforces[HYPERLINK”http://www1。lsbu.ac。uk/water/ref6。html"\l”r558"\o”gotocitedreference"558］inwater;hydrogenbondingprevailingatlowertemperaturesandpressures.Athigherpressures（anddensities）,theHYPERLINK”http://www1。lsbu.ac.uk/water/abstrct.html"balancebetweenhydrogenbondingeffectsandthevanderWaalsdispersionforcesistippedinfavorofthedispersionforcesandtheremaininghttp：//www1。lsbu。ac。uk/water/ref7。html”\l”r655"\o"gotocitedreference"655］.Viscosity，then，increaseswithpressure.Thedashedline（opposite）indicatestheviscosityminima。Thevariationofviscositywithpressureandtemperaturehasbeenusedasevidencethattheviscosityisdeterminedmorebyth