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On the full lagrangian approach and thermophoretic deposition in gas-particle flows

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y/R Osiptsov CFD

Osiptsov analytical Traditional CFD Traditional analytical

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Normalised particle density ρ p / ρ p,0

y/R Osiptsov CFD

Osiptsov analytical Traditional CFD Traditional analytical

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y/R

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Lagrangian:

x 200 particles 500 particles 10000 particles

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y/R

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Lagrangian: regula r grid, 10000 particles

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Dimensionless particle relaxation time, τ p +

D im en sio nle ss dep o siti on velocit y , V d +

1 . x10 -2 1 . x10 -1 1 . x10 0 1 . x10 1 1 . x10 2

1 . x10 -6

1 . x10 -5

1 . x10 -4

1 . x10 -3

1 . x10 -2

1 . x10 -1

1 . x10 0

1 . x10 -2 1 . x10 -1 1 . x10 0 1 . x10 1 1 . x10 2

1 . x10 -6

1 . x10 -5

1 . x10 -4

1 . x10 -3

1 . x10 -2

1 . x10 -1

1 . x10 0

1 . x10 -2 1 . x10 -1 1 . x10 0 1 . x10 1 1 . x10 2

1 . x10 -6

1 . x10 -5

1 . x10 -4

1 . x10 -3

1 . x10 -2

1 . x10 -1

1 . x10 0

1 . x10 -2 1 . x10 -1 1 . x10 0 1 . x10 1 1 . x10 2

1 . x10 -6

1 . x10 -5

1 . x10 -4

1 . x10 -3

1 . x10 -2

1 . x10 -1

1 . x10 0

Liu & Agarwal (1974) Wells & Chamberlain (1967) + Leeming (1995)

Liu & Agarwal (1974) Sehmel (1968)

+ Schwendiman & Postma (1961)

Liu & Agarwal (1974) Friedlander & Johnstone (1957) ( τ p

+ /Sc 2 ) 1/3 =0 ( τ p

+ /Sc 2 ) 1/3 =10 -4

Liu & Agarwal (1974) Lee & Gieseke (1994)

+ +

+ +

+ +

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Dimensionless particle relaxation time, τ p +

Dime n sio n les s d ep o si ti on v elo ci ty , V d +

1 . x10 -1 1 . x10 0 1 . x10 1 1 . x10 2 1 . x10 3 1 . x10 -6

1 . x10 -5 1 . x10 -4 1 . x10 -3 1 . x10 -2 1 . x10 -1 1 . x10 0

Leeming (1995) Re = 4000 Leeming (1995) Re = 20000 Liu & Agarwal (1974) Re = 10000 Liu & Agarwal (1974) Re = 50000 Agarwal (1975) Re = 6000

Dimensionless particle relaxation time, τ p +

Dime n sio n les s d ep o si ti on v elo ci ty , V d +

1 . x10 1 1 . x10 2 1 . x10 3 1 . x10 4 1 . x10 5 1 . x10 -6

1 . x10 -5 1 . x10 -4 1 . x10 -3 1 . x10 -2 1 . x10 -1 1 . x10 0

Liu & Agarwal (1974) Forney & Spielman (1974) X Ganic & Mastanaiah (1981) Re = 52500

Ganic & Mastanaiah (1981) Re = 54600 Andreussi (1993)

Farmer et al. (1970) Cousins & Hewitt (1968) Gusev et al. (1990)

Re=10 5 Re=10 4 Re=10 3

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Referencias

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