水的粘度计算表

1、水的黏度表040C温度T粘度1Pa,s或Ns,m-2温度T粘度NPas或Nsm2CKCK0273.161.7921-31.7921X1020.2293.361.0000-31.0000X101274.161.73131.7313X10-321294.160.98100.9810X10-32275.161.67281.6728X10-322295.160.95790.9579X10-33276.161.6191-31.6191X1023296.160.9358-30.9358X104277.161.5674-31.5674X1024297.160.9142-30.9142X105278.161.

2、51881.5188X10-325298.160.89370.8937X10-36279.161.47281.4728X10-326299.160.87370.8737X10-37280.161.4284-31.4284X1027300.160.8545_-_-30.8545X108281.161.38601.3860X10-328301.160.83600.8360X10-39282.161.34621.3462X10-329302.160.81800.8180X10-310283.161.30771.3077X10-330303.160.80070.8007X10-311284.161.2

3、7131.2713X10-331304.160.78400.7840X10-312285.161.23631.2363X10-332305.160.76790.7679X10-313286.161.2028-31.2028X1033306.160.7523-30.7523X1014287.161.17091.1709X10-334307.160.73710.7371X10-315288.161.1404-31.1404X1035308.160.7225-30.7225X1016289.161.11111.1111X10-336309.160.70850.7085X10-317290.161.0

4、8281.0828X10-337310.160.69470.6947X10-318291.161.0559-31.0559X1038311.160.6814-30.6814X1019292.161.0299-31.0299X1039312.160.6685-30.6685X1020293.161.00501.0050X10-340313.160.65600.6560X10-3水的物理性质温度饱和蒸气密度P始比定压热容,-1Cp/kJ-kg导热系数入/10-2Wm1粘度小/10-5Pa体积膨胀系数外表张力T普兰德t/c压p/kPa/kgm-3H/kJ-k-1g,K-1,K-1sa/10-4K1/

5、10-3N-1m数Pr00.6082999.904.21255.13179.210.6375.613.66101.2262999.742.044.19757.45130.770.7074.19.52202.3346998.283.904.18359.89100.501.8272.67.01304.2474995.7125.694.17461.7680.073.2171.25.42407.3766992.2165.714.17463.3865.603.8769.64.325012.31988.1209.304.17464.7854.944.4967.73.546019.932983.2251.1

6、24.17865.9446.885.1166.22.987031.164977.8292.994.17866.7640.615.7064.32.548047.379971.8334.944.19567.4535.656.3262.62.229070.136965.3376.984.20867.9831.656.9560.71.96100101.33958.4419.104.22068.0428.387.5258.81.76110143.31951.0461.344.23868.2725.898.0856.91.61120198.64943.1503.674.25068.5023.738.645

7、4.81.47130270.25934.8546.384.26668.5021.779.1752.81.36140361.47926.1589.084.28768.2720.109.7250.71.26150476.24917.0632.204.31268.3818.6310.348.61.18160618.28907.4675.334.34668.2717.3610.746.61.11170792.59897.3719.294.37967.9216.2811.345.31.051801003.5886.9763.254.41767.4515.3011.942.31.001901255.687

8、6.0807.634.46066.9914.4212.640.80.962001554.77863.0852.434.50566.2913.6313.338.40.932101917.72852.8897.654.55565.4813.0414.136.10.912202320.88840.3943.704.61464.5512.4614.833.80.892302798.59827.3990.184.68163.7311.9715.931.60.882403347.91813.61037.494.75662.8011.4716.829.10.872503977.67799.01085.644

9、.84461.7610.9818.126.70.862604693.75784.01135.044.94960.8410.5919.724.20.872705503.99767.91185.285.07059.9610.2021.621.90.882806417.24750.71236.285.22957.459.8123.719.50.892907443.29732.31289.955.48555.829.4226.217.20.933008592.94712.51344.805.73653.969.1229.214.70.973109877.96691.11402.166.07152.34

10、8.8332.912.31.0232011300.3667.11462.036.57350.598.5338.210.01.1133012879.6640.21526.197.24348.738.1443.37.821.2234014615.9610.11594.758.16445.717.7553.45.781.3835016538.5574.41671.379.50443.037.2666.83.891.6036018667.1528.01761.3913.98439.546.671092.062.3637021040.9450.51892.4340.31933.735.692640.48

11、6.80F3?Viscositydecreaseswithpressure(attemperaturesbelow33C)Viscousflowoccursbymoleculesmovingthroughthevoidsthatexistbetweenthem.Asthepressureincreases,thevolumedecreasesandthevolumeofthesevoidsreduces,sonormallyincreasingpressureincreasestheviscosity.CL/.5EdE.£r_50o5>3EBLIAa2.2,103Q1250,u

12、口a口d£r口口口eJ755*ibo0X200rj4007600y；800in1000:;一:;Pressure,MPa1"工匕.Water'spressure-viscositybehavior534canbeexplainedbytheincreasedpressure(uptoabout150MPa)causingdeformation,soreducingthestrengthofthehydrogen-bondednetwork,whichisalsopartiallyresponsiblefortheviscosity.Thisreductioninco

13、hesivitymorethancompensatesforthereducedvoidvolume.ItisthusadirectconsequenceofthebalancebetweenhydrogenbondingeffectsandthevanderWaalsdispersionforces558inwater;hydrogenbondingprevailingatlowertemperaturesandpressures.Athigherpressures(anddensities),thebalancebetweenhydrogenbondingeffectsandthevand

14、erWaalsdispersionforcesistippedinfavorofthedispersionforcesandtheremaininghydrogenbondsarestrongerduetothecloserproximityofthecontributingoxygenatoms655.Viscosity,then,increaseswithpressure.Thedashedline(opposite)indicatestheviscosityminima.Thevariationofviscositywithpressureandtemperaturehasbeenusedasevidencethattheviscosityisdete