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水的粘度表

发布时间:2023-06-16 作者:admin 来源:文学

水的粘度表

水的粘度表

财务总监述职报告-gb50223

2023年3月20日发(作者:pmp试题)

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水的黏度表(0~40℃)

温度T

粘度μ

Pa·s或

N·s·m

-2

温度T

粘度μ

Pa·s或

N·s·m-2℃K℃K

0

27

3.16

1.7921

1.7921

×10—3

20。

293。361.0000

1。0000×1

0-3

274。1

1.73

13

1。7313

×10-3

21294.16

0.981

0.9810×

10-3

2

275.1

1.6728

1.6728

×10—3

22295.160。9579

0。9579×

10-3

276。1

6

1。6

191

1.6191

×10—3

23296。160.9358

0.9358×

10—3

4277.16

1.56

74

1.5674×

10—3

24297。160。9142

0.9142×

10—3

5278.161.5188

1.5188

×10-3

25

298.1

0.8937

0.8937×

10-3

6279。161.4728

1。4728

×10-3

26

299。1

0.8737

0。8737×

10-3

2/7

7280.16

1.428

4

1。428

4×10—3

27

300.1

6

0.8545

0.8545×1

0—3

8281。161.3860

1.3860

×10-3

28

301.1

6

0.8360

0。8360×10-

282.1

1.34

62

1.3462×

10-3

29302.160.8180

0.8180×

10-3

10283.161.3077

1。3077

×10-3

30

303。1

6

0.8007

0.8007

×10—3

11

284。1

1。27

13

1.2713×

10—3

31304.160.7840

0.7840×1

0-3

12

285。1

1。2363

1。2363

×10—3

32305.160.7679

0.7679×1

0-3

13286.161.2028

1。2028

×10-3

33306.16

0.752

0。7523×

10-3

14

287。1

1.17

09

1。1709×

10—3

34

307.

16

0。737

0.7371×

10-3

15288.161.1404

1。1404

×10-3

35308.160。7225

0.7225×1

0-3

16289。161。11111。111136309.10.70850.7085

3/7

×10—36×10-3

17290。16

1.08

28

1.0828×

10—3

37310.160。6947

0。6947×1

0—3

18291。161。0559

1。0559

×10—3

38311.160.6814

0。6814×

10—3

19

292.1

1。0299

1.0299

×10-3

39

312.1

6

0。668

0.6685×

10—3

20293.16

1.00

50

1。0050

×10-3

40313。160。6560

0。6560

×10—3

水的物理性质

/℃

饱和蒸气

压p/kPa

密度ρ

/kg·m-3

H/kJ·kg—1

比定压热

容cp/kJ·kg-

1·K—1

导热系数

λ/10-2

W·m—1·K-1

粘度μ

/10-5Pa·s

体积膨

胀系数α

/10—4K-1

表面张力

σ/10-3

N·m—1

普兰德

数Pr

00。6082999。904。21255。13179。210.6375.613.66

101.2262999。742.044。19757。45130。770。7074。19.52

202.3346998.283.904.18359.89100。501.8272.67。01

304。2474

99

5.7

125。6

4.17461。7680.073。2171.25.42

407。3766992。2165。714.17463。3865.603。8769.64.32

4/7

5012.31988。1209.304。17464.7854.944。4967.73。54

6019。932983。2251。124。17865.9446.885.1166。22.98

7031。164977。8292。994。17866。7640.615。7064.32.54

8047.379971。8334.944。19567.4535.656.3262.62。22

9070.136965.3376.984。20867。9831.656。9560.71。96

100101.33958.4419。104。22068.0428.387.5258。81。76

11

0

143.31951。0461。344。23868。2725。898.0856.91。61

20

198。64943。1

503.6

7

4.25068.5023.738.6454。81。47

13

270.25934.8546.384。26668.5021。779。1752.81。36

40

361.47926.1

589.0

8

4。28768。2720.109。7250。71.26

15

476.24917。0632。204。31268.3818。6310。348.61.18

160618.28907。4675.334.34668。2717.3610。746。61。11

70

792。59

897.

719。2

4。37967。9216。2811。345.31。05

1801003.5886.9763。254。41767。4515.3011.942。31。00

19

1255。6

876.

807。634.46066。9914。4212.640.80。96

20

0

1554.77863.0

852。4

4.50566。2913.6313。338.40。93

2101917.72852。8897.654.55565。4813.0414。136.10.91

22

2320.8

840.3943.704.61464.5512。4614。833.80.89

2302798。59

27.3

990.1

8

4.68163.7311。9715.931。6

0.8

2403347。91

13.6

1037.494.75662.8011.4716.829.10.87

50

3977。67799.0

1085。

64

4.84461。7610.9818.126.70。86

5/7

F3Viscositydecreaseswithpres

sure

(attemperaturesbelow33°C)

Viscousflowoccursbymoleculesmovingthroughthevoi

dsthatexistbetweenthem。Asthepressureincrea

ses,thevolumedecreasesandthevolumeofthesevoidsre

duces,sonormallyincreasingpressureincreasesthev

60

4693.75

78

4.0

1135.0

4。94960.8410.5919.724。20。87

270

5503.9

767。

9

1185.285.07059.9610。2021。621.90.88

2806417。24

75

0.7

1236.285.22957。459.8123.719.50。89

29

7443.29

73

2.3

1289.955.48555.829.4226.217.20。93

00

8592。9

71

2.5

1344.805。73653。969。1229。214.70.97

310

9877.9

69

1.1

1402.166.07152。348.8332.912.31.02

11300.3667.11462。036。57350.598.5338。210.01。11

33012879。6640。2

152

6.19

7。24348.738.1443.37.821.22

34

14615。9610.11594.758.16445.717。7553。45.781.38

350

165

38.5

574。41671.379.50443.037.2666.83。891.60

36

18667。1

52

8.0

1761.3913.98439.546。671092。062。36

37021040.9450.51892.4340.31933.735.692640.486.80

6/7

iscosity.

Water'spressure—viscositybehavior[534]canbeexplained

bytheincreasedpressure(uptoabout150MPa)causing

deformation,soreducingthestrengthofthehydrog

en-bondednetwork,whichisalsopartiallyresponsiblef

ortheviscosity.Thisreductionincohesivitymo

rethancompensatesforthereducedvoidvolum

thusadirectconsequenceofthebalancebetweenhydro

genbondingeffectsandthevanderWaalsdispersion

forces[558]inwater;hydrogenbondingprevailingatlower

temperaturesandpressures。Athigherpressures(anddensi

ties),thebalancebetweenhydrogenbondingeffectsandtheva

nderWaalsdispersionforcesistippedinfavorofthe

dispersionforcesandtheremaininghydrogenbondsare

strongerduetothecloserproximityofthecontributing

oxygenatoms[655].Viscosity,then,increaseswithpressu

re。Thedashedline(opposite)indicatestheviscosi

tyminima.

7/7

Thevariationofviscositywithpressureandtemperatur

ehasbeenusedasevidencethattheviscosityisdetermin

edmorebytheextentofhydrogenbondingratherthanhydrog

enbondingstrength.

Self—diffusionisalsoaffectedbypressurewhere(a

tlowtemperatures)boththetranslationalandrotationalmo

tionofwateranomalouslyincreaseasthepressureinc

reases.

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