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Hybrid modeling of time-dependent rarefied gas expansion
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10.1116/1.4830283
/content/avs/journal/jvsta/32/2/10.1116/1.4830283
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/32/2/10.1116/1.4830283

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Schematic shown the system configuration consisting of the two chambers , with the connecting tube as well as the kinetic inlet and outlet computational domain.

Image of FIG. 2.
FIG. 2.

(Color online) Temporal evolution of dimensionless (a) pressure and (b) flow rate for various values of the initial pressure ratio with initial Knudsen number and .

Image of FIG. 3.
FIG. 3.

(Color online) Temporal evolution of dimensionless pressure with initial pressure ratio (a) and (b) and of dimensionless mass flow rate with initial pressure ratio c) and d) for various values of the initial Knudsen number with .

Image of FIG. 4.
FIG. 4.

(Color online) Temporal evolution of dimensionless pressure with initial pressure ratio (a) and (b) and of dimensionless mass flow rate with initial pressure ratio (c) and (d) for various values of with initial Knudsen number .

Image of FIG. 5.
FIG. 5.

(Color online) Temporal evolution of dimensionless (a) upstream pressure , (b) downstream pressure , and (c) flow rate for various values of the initial Knudsen number with and initial pressure ratio .

Image of FIG. 6.
FIG. 6.

(Color online) Temporal evolution of dimensionless (a) pressure , (b) temperature , and (c) flow rate in the isentropic expansion for various values of the initial Knudsen number with and initial pressure ratio in the case of .

Tables

Generic image for table
TABLE I.

Dimensionless equilibrium time in a wide range of flow parameters when .

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TABLE II.

Dimensionless equilibrium time in a wide range of flow parameters when .

Generic image for table
TABLE III.

Dimensionless equilibrium time of isentropic expansion into vacuum ( , ).

Generic image for table
TABLE IV.

Equilibrium time in seconds for He and Xe and various values of the initial pressure in the case of isothermal expansion ( mm).

Generic image for table
TABLE V.

Equilibrium time in seconds for He and Xe and various values of the initial pressure in the case of isentropic expansion into vacuum with ( mm).

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/content/avs/journal/jvsta/32/2/10.1116/1.4830283
2013-11-20
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Hybrid modeling of time-dependent rarefied gas expansion
http://aip.metastore.ingenta.com/content/avs/journal/jvsta/32/2/10.1116/1.4830283
10.1116/1.4830283
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