Experimental investigation of the temperature dependence of the accommodation coefficients for the gases He, Ne, Ar, and Xe on a Pt surface

Borisov, S. F.; Litvinenko, S. A.; Semenov, Yu. G.; Suetin, P. E.

doi:10.1007/bf00860858

Cited by 6 publications

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“…͑5͔͒. The MD results are also compared to the available experiment at the high temperatures, 14 and a moderate agreement is found. This difference is related to the significant adsorbed layer caused by the rough or contaminated surface in the experiment.…”

Section: A Momentum and Thermal Accommodation Coefficientsmentioning

confidence: 82%

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Molecular dynamics simulation of effective thermal conductivity of vapor-filled nanogap and nanocavity

Hwang

Kaviany

2009

Journal of Applied Physics

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The effect of adsorption on momentum a u and thermal a T accommodation coefficients and effective thermal conductivity ͗k f ͘ of Ar vapor-filled Pt nanogap and nanocavity is examined using nonequilibrium molecular dynamics ͑MD͒ simulations. For the accommodation coefficients, the increase in solid-fluid or fluid-fluid interatomic interactions within adsorbed layer causes transitions in magnitudes of a u and a T near Ar triple-point temperature. In the nanogap, ͗k f ͘ MD results are in close agreement with the available closed-form solution for transition-flow regime, i.e., Knudsen number 0.1Ͻ Kn L Ͻ 10, using the MD results of a T. In the nanocavity, the adiabatic sidewalls do not significantly alter the gas mean free path and ͗k f ͘, and the sparse adsorption coverage on the sidewalls results in a negligibly small fluid circulation by surface diffusion under a temperature gradient.

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Section: A Momentum and Thermal Accommodation Coefficientsmentioning

confidence: 82%

“…͑2͒ and ͑3͔͒ ͑Refs. 1-3͒ and in the treatment of the momentum 11-13 and thermal 6,[12][13][14] accommodation coefficients.…”

Section: Introductionmentioning

confidence: 99%

Molecular dynamics simulation of effective thermal conductivity of vapor-filled nanogap and nanocavity

Hwang

Kaviany

2009

Journal of Applied Physics

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Investigation of heat transfer in rarefied gases over a wide range of Knudsen numbers

Semyonov¹,

Borisov²,

Suetin³

1984

International Journal of Heat and Mass Transfer

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Gas-surface interaction features under effects of gas-gas molecules interaction in high-speed flows

TAO,

WANG

2024

Chinese Journal of Aeronautics

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Experimental investigation of the temperature dependence of the accommodation coefficients for the gases He, Ne, Ar, and Xe on a Pt surface

Cited by 6 publications

References 1 publication

Molecular dynamics simulation of effective thermal conductivity of vapor-filled nanogap and nanocavity

Molecular dynamics simulation of effective thermal conductivity of vapor-filled nanogap and nanocavity

Investigation of heat transfer in rarefied gases over a wide range of Knudsen numbers

Gas-surface interaction features under effects of gas-gas molecules interaction in high-speed flows

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