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Дата индексирования: Wed Jan 30 03:18:24 2013
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Self-Consistent Model

Abstract

A self-consistent model for the dynamical and chemical evolution of dense interstellar clouds is examined. The model includes the basic atomic and molecular constituents of dense clouds and the reactions in which they are involved. The effect of the chemical composition of the medium on its energy balance is also considered. A code for self-consistent dynamical and chemical computations is described. The results of one-dimensional modeling of the early stages of collapse of protostellar clouds of different masses under the action of ultraviolet radiation are presented. Astrophysical applications of the results obtained are discussed.