Conditions for the development of a thermal explosion with branching-chain reactions

Azatyan, V. V.; Gontkovskaya, V. T.; Мержанов, А. Г.

doi:10.1007/bf00814804

Cited by 3 publications

(2 citation statements)

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“…It is notable that, despite a large number of studies dealing with the numerical solution of equations describing combustion of gases, the CTE phenomenon has not been recognised even after publication of works 16,105,118,119,133 in which this mode has been detected both experimentally and theoretically. This may be explained by the fact that the discovery of specific features of .…”

Section: Thermal Modes Of Chain Combustion In the Low-pressure Regionmentioning

confidence: 99%

“…Kinetic curves for the CC at various ratios of the rates of heat evolution and heat removal (the parameter w 610 3 ) constructed based on a generalised kinetic scheme for a BCP. 133 The values 10 3 w: (1 ) 0, (2 ) 1.00, (3 ) 1.20, (4 ) 1.30, ( 5 combustion inaccessible to a physical experiment has not been the aim of these calculations; they have been usually undertaken in order to describe particular observations or to compare experimental and calculated characteristics of a process (most often, the induction period) using a large number of parameters for calculations. In addition, when the pressure is relatively high, chain combustion rapidly switches to the CTE and, therefore, the whole process is identified with this mode and is regarded as being `purely thermal'.…”

Section: Thermal Modes Of Chain Combustion In the Low-pressure Regionmentioning

confidence: 99%

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Non-isothermal regimes and chemical control of branching-chain processes

Azatyan¹

1999

Russ. Chem. Rev.

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Illinois 601 15. USC M S . received 14th M a y 1970Ahtract. Starting from bare-ion pseudopotentials, net crystal potentials are evalutiied in direct space by (a) the usual linear screening technique and (b) the Thomas-Fermi method. For the metals considered (Na and AI), the potentials are quite similar, crossing outside the cores and never differing by more than 0.02 a.u. in the case of Na nor by more than 0.2 a.u. in the case of Al. The similarity of the results based on (a) and (b) suggest the use of the pseudopotential concept in conjunction with the rather general method (b) under conditions when (a) is questionable, that is whenever the zeroth order uniform electron gas solution is a poor physical approximation to the actual system under study (specific examples being molecules, insulating solids and interfaces).Methods (a) and (bj both yield shallower wells than those most often used as input information in band structure calculations and obtained by superposing atomic data.

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Section: Thermal Modes Of Chain Combustion In the Low-pressure Regionmentioning

confidence: 99%

Section: Thermal Modes Of Chain Combustion In the Low-pressure Regionmentioning

confidence: 99%