Purpose Underground coal gasification is a very difficult process due to changes in the
parameters over time and within the space of the reactor and a variety of phenomena that …

Purpose Underground coal gasification, as a complex and technically difficult process, in
many aspects requires the support provided by computer simulations. There are a lot of …

Purpose Coal gasification is complex technology, which results depend on many variables,
connected among others with fuel, the converting agent and the process itself. The paper …

This paper describes the method of modelling and numerical simulation of bubble column
bioreactors in which the process of aerobic biodegradation of carbonaceous substrate …

Coal mining has been introduced in the eighteenth century in India and since then several
advancements have been inherited by the Indian mining industry from several developed …

We formulate a variational principle of Fermat type for chemical kinetics in heterogeneous
reacting systems. The principle is consistent with the notion of 'intrinsic reaction …