scholarly journals Non-Equilibrium Transport Phenomena on Liquid Surface and Energy Accommodation Coefficients of Reflecting Molecules

2011 ◽  
Vol 77 (774) ◽  
pp. 324-333 ◽  
Author(s):  
Atsushi TOKUNAGA ◽  
Gyoko NAGAYAMA ◽  
Takaharu TSURUTA
Keyword(s):  
Liquid Surface ◽  
Transport Phenomena ◽  
Energy Accommodation ◽  
Accommodation Coefficients ◽  
Non Equilibrium

A Molecular Dynamics Study on Energy Accommodation Coefficients in Microchannels

2008 ◽  
Author(s):  
Jun Sun ◽  
Zhixin Li
Keyword(s):  
Temperature Difference ◽  
Wall Temperature ◽  
Gas Flow ◽  
Accommodation Coefficient ◽  
Energy Accommodation ◽  
Micro Gas Flow ◽  
Different Temperatures ◽  
Accommodation Coefficients ◽  
Lower Temperature ◽  
Non Equilibrium

Energy accommodation coefficient (EAC), used in thermal boundary condition in micro gas flow and heat transfer, is reported to be always less than unity and greatly influenced by the wall characters. According to EAC’s definition, the statistical algorithm was described and EAC for argon gas was studied by two dimensional NEMD simulations with heat conduction between two smooth platinum plates at different temperatures. With one wall’s temperature fixed, the non-equilibrium EACs were calculated by changing the other wall’s temperature. Meanwhile, the equilibrium EAC at one temperature can be extrapolated from a series of non-equilibrium EACs as the temperature difference approaches to zero. The effects of wall temperature, wall temperature difference, and Kn on EAC were investigated. Non-equilibrium EAC increases with wall temperature difference decreased, and becomes larger with increased Kn. And equilibrium EAC is larger for lower temperature and larger Kn.

scholarly journals On the Peculiarities of Realization of Electrostatic Instability of Charged Liquid Surface in Various Geometries

2021 ◽  
Vol 57 (4) ◽  
pp. 15-23
Author(s):  
A.I. Grigoriev ◽  
◽  
S.O. Shiryaeva ◽  
Keyword(s):  
Electric Charge ◽  
Electrostatic Field ◽  
Surface Density ◽  
Flat Surface ◽  
Liquid Surface ◽  
Critical Values ◽  
Charged Surface ◽  
Spatial Change ◽  
Non Equilibrium

The paper deals with some peculiarities of realization of electrostatic instability of a charged liquid surface on the vertices of the charged and uncharged drops in an external electrostatic field in a cylindrical jet and a flat surface. It was shown that the critical values of the surface density of the electric charge under the mentioned conditions on the threshold of the realization of instability are different in magnitude, despite the phenomenological similarity. Most probably, the reason is the differences (under all mentioned conditions) in the spatial change in the strength of the electrostatic field in the vicinity of the growing (when the charged surface of the liquid is unstable) emission protrusion. Both equilibrium and non-equilibrium forms of droplets, jets, planes and their symmetry were discussed.

scholarly journals Recombination and chemical energy accommodation coefficients from chemical dynamics simulations: O/O2 mixtures reacting over a β-cristobalite (001) surface

2011 ◽  
Vol 13 (39) ◽  
pp. 17494 ◽  
Author(s):  
Víctor Morón ◽  
Pablo Gamallo ◽  
Ludovic Martin-Gondre ◽  
Cédric Crespos ◽  
Pascal Larregaray ◽  
...  
Keyword(s):  
Chemical Energy ◽  
Chemical Dynamics ◽  
Energy Accommodation ◽  
Accommodation Coefficients ◽  
Dynamics Simulations

scholarly journals Direct numerical simulation for non-equilibrium transport phenomena in superconducting detectors

2012 ◽  
Vol 27 ◽  
pp. 352-355 ◽  
Author(s):  
Y. Ota ◽  
K. Kobayashi ◽  
M. Machida ◽  
T. Koyama ◽  
F. Nori
Keyword(s):  
Numerical Simulation ◽  
Direct Numerical Simulation ◽  
Transport Phenomena ◽  
Superconducting Detectors ◽  
Non Equilibrium

Energy accommodation coefficients of internally excited molecules

1981 ◽  
Vol 75 (9) ◽  
pp. 4621-4625 ◽  
Author(s):  
D. R. Anderson ◽  
E.‐H. Lee ◽  
R. H. Pildes ◽  
S. L. Bernasek
Keyword(s):  
Energy Accommodation ◽  
Accommodation Coefficients ◽  
Excited Molecules

First-Principles Informed Atomistic-Scale Calculations of Equilibrium Energy Accommodation Coefficients for Aluminum–Noble Gas Systems

2020 ◽  
Vol 124 (13) ◽  
pp. 7182-7195
Author(s):  
Pinki ◽  
Prasanna Kulkarni ◽  
Dilip Srinivas Sundaram
Keyword(s):  
First Principles ◽  
Noble Gas ◽  
Energy Accommodation ◽  
Accommodation Coefficients

A note on mass, momentum, and energy accommodation coefficients

1989 ◽  
Vol 130 (1) ◽  
pp. 275-280 ◽  
Author(s):  
David D Huang ◽  
John H Seinfeld
Keyword(s):  
Energy Accommodation ◽  
Accommodation Coefficients
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