Quantum effects under free expansion of monatomic gas mixtures into a vacuumстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Lazarev A.V. ,
Lenin L.V. ,
Trubnikov D.N.
Журнал:
Chemical Physics Letters
Том:
148
Номер:
5
Год издания:
1988
Издательство:
Elsevier BV
Местоположение издательства:
Netherlands
Первая страница:
401
Последняя страница:
405
Аннотация:
The influence of quantum effects during the elastic scattering of atoms on the velocity slip in the jets of some binary mixtures of inert gases is investigated. The kinetic model used is based on a set of momentum transfer equations for the components, with collisional terms being calculated using the quantum first-order effective cross sections of elastic scattering. It is shown that in this approach the quantum correction factor depends only on a quantity which is connected with the temperature and the Knudsen number in the source. The quantum effects are shown to be considerable in mixtures containing helium, with the shape of the potential function playing an essential part. The range of applicability of the kinetic model used is estimated. © 1988.
Добавил в систему:
Лазарев Александр Владимирович