diffusion coefficient.xls air ammonia

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Prediction of Diffusion Coeff. For Gases Methane- Hydrogen, 1 standard atm p 1.01E+05 29 17.03 298 0.3711 0.29 1.01E+05 29 17.03 300 0.3711 0.29 1.01E+05 29 17.03 310 0.3711 0.29 1.01E+05 29 17.03 320 0.3711 0.29 1.01E+05 29 17.03 330 0.3711 0.29 273 1.01E+05 29 17.03 340 0.3711 0.29 1.01E+05 29 17.03 350 0.3711 0.29 1.01E+05 29 17.03 360 0.3711 0.29 1.01E+05 29 17.03 370 0.3711 0.29 1.01E+05 29 17.03 380 0.3711 0.29 MA(kg/Kmol) MB(kg/Kmol) rA(nm) rB(nm) 290 300 3 0.0000000E+00 5.0000000E-06 1.0000000E-05 1.5000000E-05 2.0000000E-05 2.5000000E-05 3.0000000E-05 3.5000000E-05 4.0000000E-05 4.5000000E-05

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Page 1: Diffusion Coefficient.xls Air Ammonia

Prediction of Diffusion Coeff. For Gases

Diffusitivities of Gas mixtureMethane- Hydrogen, 1 standard atm., 25-107 C

p T©1.01E+05 29 17.03 298 0.3711 0.29 0.330551.01E+05 29 17.03 300 0.3711 0.29 0.330551.01E+05 29 17.03 310 0.3711 0.29 0.330551.01E+05 29 17.03 320 0.3711 0.29 0.330551.01E+05 29 17.03 330 0.3711 0.29 0.33055

273 1.01E+05 29 17.03 340 0.3711 0.29 0.330551.01E+05 29 17.03 350 0.3711 0.29 0.330551.01E+05 29 17.03 360 0.3711 0.29 0.330551.01E+05 29 17.03 370 0.3711 0.29 0.330551.01E+05 29 17.03 380 0.3711 0.29 0.33055

MA(kg/Kmol) MB(kg/Kmol) rA(nm) rB(nm) rAB(nm)

290 300 310 320 330 340 350 360 370 380 3900.0000000E+00

5.0000000E-06

1.0000000E-05

1.5000000E-05

2.0000000E-05

2.5000000E-05

3.0000000E-05

3.5000000E-05

4.0000000E-05

4.5000000E-05Air-Ammonia

air ammonia

Page 2: Diffusion Coefficient.xls Air Ammonia

Diffusitivities of Gas mixtureMethane- Hydrogen, 1 standard atm., 25-107 C

(ε /K)B f ( KT/ ε AB) from chart78.6 558.3 209.4812163 1.422562 0.5 0.3052911146247878.6 558.3 209.4812163 1.432109 0.5 0.3052911146247878.6 558.3 209.4812163 1.479846 0.5 0.3052911146247878.6 558.3 209.4812163 1.527583 0.5 0.3052911146247878.6 558.3 209.4812163 1.57532 0.5 0.3052911146247878.6 558.3 209.4812163 1.623057 0.5 0.3052911146247878.6 558.3 209.4812163 1.670794 0.5 0.3052911146247878.6 558.3 209.4812163 1.718531 0.5 0.3052911146247878.6 558.3 209.4812163 1.766268 0.5 0.3052911146247878.6 558.3 209.4812163 1.814005 0.5 0.30529111462478

1.5

(ε /K)A ε AB=(ε /K)AB KT/ ε AB [(1/MA)+(1/MB)]1/2

290 300 310 320 330 340 350 360 370 380 3900.0000000E+00

5.0000000E-06

1.0000000E-05

1.5000000E-05

2.0000000E-05

2.5000000E-05

3.0000000E-05

3.5000000E-05

4.0000000E-05

4.5000000E-05Air-Ammonia

air ammonia

Page 3: Diffusion Coefficient.xls Air Ammonia

Diffusitivities of Gas mixture

DAB= 0.0001[1.084 - 0.249 {(1/MA) + (1/MB)}1/2] T3/2 {(1/MA) + (1/MB)}1/2 / Pt (rAB)2 f ( KT/ ε AB)2.8599079E-052.8890323E-053.0349807E-05

3.18E-053.33E-053.49E-053.64E-053.80E-053.96E-054.12E-05

0.0001

290 300 310 320 330 340 350 360 370 380 3900.0000000E+00

5.0000000E-06

1.0000000E-05

1.5000000E-05

2.0000000E-05

2.5000000E-05

3.0000000E-05

3.5000000E-05

4.0000000E-05

4.5000000E-05

DAB= 0.0001[1.084 - 0.249 {(1/MA) + (1/MB)}1/2] T3/2 {(1/MA) + (1/MB)}1/2 / Pt (rAB)2 f ( KT/ ε AB)

DAB= 0.0001[1.084 - 0.249 {(1/MA) + (1/MB)}1/2] T3/2 {(1/MA) + (1/MB)}1/2 / Pt (rAB)2 f ( KT/ ε AB)

Page 4: Diffusion Coefficient.xls Air Ammonia

290 300 310 320 330 340 350 360 370 380 3900.0000000E+00

5.0000000E-06

1.0000000E-05

1.5000000E-05

2.0000000E-05

2.5000000E-05

3.0000000E-05

3.5000000E-05

4.0000000E-05

4.5000000E-05

DAB= 0.0001[1.084 - 0.249 {(1/MA) + (1/MB)}1/2] T3/2 {(1/MA) + (1/MB)}1/2 / Pt (rAB)2 f ( KT/ ε AB)

DAB= 0.0001[1.084 - 0.249 {(1/MA) + (1/MB)}1/2] T3/2 {(1/MA) + (1/MB)}1/2 / Pt (rAB)2 f ( KT/ ε AB)

Page 5: Diffusion Coefficient.xls Air Ammonia

290 300 310 320 330 340 350 360 370 380 3900.0000000E+00

5.0000000E-06

1.0000000E-05

1.5000000E-05

2.0000000E-05

2.5000000E-05

3.0000000E-05

3.5000000E-05

4.0000000E-05

4.5000000E-05

DAB= 0.0001[1.084 - 0.249 {(1/MA) + (1/MB)}1/2] T3/2 {(1/MA) + (1/MB)}1/2 / Pt (rAB)2 f ( KT/ ε AB)

DAB= 0.0001[1.084 - 0.249 {(1/MA) + (1/MB)}1/2] T3/2 {(1/MA) + (1/MB)}1/2 / Pt (rAB)2 f ( KT/ ε AB)

Page 6: Diffusion Coefficient.xls Air Ammonia

290 300 310 320 330 340 350 360 370 380 3900.0000000E+00

5.0000000E-06

1.0000000E-05

1.5000000E-05

2.0000000E-05

2.5000000E-05

3.0000000E-05

3.5000000E-05

4.0000000E-05

4.5000000E-05

DAB= 0.0001[1.084 - 0.249 {(1/MA) + (1/MB)}1/2] T3/2 {(1/MA) + (1/MB)}1/2 / Pt (rAB)2 f ( KT/ ε AB)

DAB= 0.0001[1.084 - 0.249 {(1/MA) + (1/MB)}1/2] T3/2 {(1/MA) + (1/MB)}1/2 / Pt (rAB)2 f ( KT/ ε AB)

Page 7: Diffusion Coefficient.xls Air Ammonia

(ε /K)A ε AB=(ε /K)AB KT/ ε AB f ( KT/ ε AB) from chart [(1/MA)+(1/MB)]1/2195.2 118.05625778 2.52422 0.5 0.24174688920761195.2 118.05625778 2.541161 0.5 0.24174688920761195.2 118.05625778 2.625867 0.5 0.24174688920761195.2 118.05625778 2.710572 0.5 0.24174688920761195.2 118.05625778 2.795277 0.5 0.24174688920761195.2 118.05625778 2.879983 0.5 0.24174688920761195.2 118.05625778 2.964688 0.5 0.24174688920761195.2 118.05625778 3.049394 0.5 0.24174688920761195.2 118.05625778 3.134099 0.5 0.24174688920761195.2 118.05625778 3.218804 0.5 0.24174688920761

Page 8: Diffusion Coefficient.xls Air Ammonia

10000000000

Page 9: Diffusion Coefficient.xls Air Ammonia

DAB= 0.00001[1.084 - 0.249 {(1/MA) + (1/MB)}1/2] T3/2 {(1/MA) + (1/MB)}1/2 / Pt (rAB)2 f ( KT/ ε AB)1.68E-061.70E-061.78E-061.87E-06

1.95641015790748E-062.04600822290509E-062.13693378716942E-06

2.2291677450095E-062.32269179270577E-062.41748837392373E-06