Substitution of the method for assessing generalized dynamic instability of parameters of the gas environment of premises for early fire warning

Authors

DOI:

https://doi.org/10.15587/2706-5448.2026.357223

Keywords:

generalized dynamic instability, local Kantz function, ignition of materials, gas environment, fire warning

Abstract

The object of research is the dynamics of the gas environment at the early stages of material combustion in premises. The problem to be solved is to develop a method of generalized dynamic instability of the gas environment, based on the local Kant function and its time derivative, to detect early unstable regimes of the gas environment preceding the development of a fire. A method for assessing the generalized dynamic instability of the gas environment of premises is proposed, focused on the parameters of early fire warning. Generalized dynamic instability is understood as a cumulative characteristic that expresses the level of local sensitivity of the dynamics of time series of gas environment parameters to excitation, as well as the rate of change of this sensitivity in time. The local in time variant of the Kantz method and its time derivative are used as the basis. The method is tested on experimental data of the current concentration of carbon monoxide, which are obtained under the conditions of modeling the ignition of materials. It is shown that the local Kantz function and its derivative demonstrate pronounced changes in the transient regimes of the gas environment in the absence of significant excesses of the permissible thresholds of the dangerous measured parameter. The results obtained allow to consider the proposed measure of generalized dynamic instability as an additional diagnostic feature in early fire warning systems. The dynamics of the proposed measure for the initial stages of ignition of alcohol, paper and textiles are studied. The relationship between the dynamic content of carbon monoxide and the change in the generalized measure is analyzed. The results obtained indicate the efficiency of the method and show that, despite the differences in the kinetics of gas release and the nature of combustion, the dynamic response of the generalized measure of dynamic instability is universal.

Author Biographies

Boris Pospelov

Doctor of Technical Sciences, Professor

Igor Tolok, National University of Civil Defence of Ukraine

PhD, Associate Professor, Rector

Evgeniy Rybka, National University of Civil Defence of Ukraine

Doctor of Technical Sciences, Professor, Vice-Rector for Research

 

Ihor Morozov, National Academy of the National Guard of Ukraine

PhD, Senior Researcher

Department of Research and Organization

Yurii Kozar, Uzhhorod National University

Doctor of Legal Sciences, Professor

Department of Administrative, Financial and Information Law

 

Olekcii Krainiukov, V. N. Karazin Kharkov National University

Doctor of Geographical Sciences, Professor

Department of Ecology and Environmental Management

 

Volodymyr Volovyk, Vinnytsia Mykhailo Kotsiubynskyi State Pedagogical University

Doctor of Geography Sciences, Professor

Department of Geography

Olga Levada, Bogdan Khmelnitsky Melitopol State Pedagogical University

PhD, Associate Professor

Department of Geography and Tourism

 

Maksym Harifullin, Lviv State University of Internal Affairs

PhD

Research Center

Natalia Bed, Uzhhorod National University

Assistant

Research Center

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Substitution of the method for assessing generalized dynamic instability of parameters of the gas environment of premises for early fire warning

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Published

2026-04-30

How to Cite

Pospelov, B., Tolok, I., Rybka, E., Morozov, I., Kozar, Y., Krainiukov, O., Volovyk, V., Levada, O., Harifullin, M., & Bed, N. (2026). Substitution of the method for assessing generalized dynamic instability of parameters of the gas environment of premises for early fire warning. Technology Audit and Production Reserves, 2(3(88), 21–27. https://doi.org/10.15587/2706-5448.2026.357223

Issue

Vol. 2 No. 3(88) (2026): Chemical engineering

Section

Ecology and Environmental Technology

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Copyright (c) 2026 Boris Pospelov, Igor Tolok, Evgenіy Rybka, Ihor Morozov, Yurii Kozar, Olekcii Krainiukov, Volodymyr Volovyk, Olga Levada, Maksym Harifullin, Natalia Bed

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