By David H. West and Gregory Yablonsky (Eds.)

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Dt ðyÞ ¼ fx : x yg; ’r ðxrk ; zrk Þ cr ; EðxÞ ¼ X ð39Þ r 2 Rlim ; Ejk ðxÞxjk ; ð40Þ ð41Þ j;k � EjðqÞk ¼ G0jk ðTk Þ xjk þ RTk ln Pk k EjðcÞk ¼ G0jðcÞk ðTk Þ þ xjk ! 0; � þ Mj ghk ; 2 j  j ; rjr zrk ! M. Kaganovich et al. where Ain—a matrix of incidences (connections) of independent nodes to branches (arcs)� of the graph mapping the system structure; � m T  m ¼ m ; m 1 ; … ; k k ¼ Æ xjk j ; j —the mole mass of the j-th system j component; Q—the vector of external sources and sinks; hk and Dhk—an average level and thickness of the k-th zone, respectively; k—the mole quantity of gaseous components of the k-th zone; E and Ejk—energy functions of the system and its jk-th component, respectively; R—the universal gas constant; g—the free fall acceleration; —the surface tension; —molar volume; r—a radius of condensed particle; index 1 refers to the zone with minimum h; indices g and c refer to the gaseous and condensed phases, respectively.

Useless substances contam­ inating a produced required “valuable” commodity, is naturally thought to be the most ordered one. In parallel with assessment of the maximum concentration the computing experiments on MEIS determine conditions for its achievement and reveal the factors having the greatest influence on the results of modeled process.

Appropriate mechanisms of processes. Figure 7 shows that the mechanism connected with motion through the point l is more effective, since the Gibbs energy monotonically decreases on the curve ylm. From the point k that is passed at the competing mechanism of the process the state m proves to be unattainable. Comparative assessment of the indicated mechanisms can be obtained on the basis of the multivariant calculations on model (7)–(12). At first we must solve the problems of maximization of sets of the substances c and d that correspond to the main components of compositions of the reactive mixtures l and k.

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