EXERGETIC ASSESSMENT OF FIRE HAZARDS OF CARGO TRANSPORTATION ON RAILWAY TRANSPORT
https://doi.org/10.18322/PVB.2018.27.10.26-37
Abstract
Introduction. The management of municipal solid waste (MSW) is one of the important problems of our time. Security is only possible when solving this problem.
The amount of MSW is steadily increasing. The project of garbage transportation from Moscow and St. Petersburg by railway is begins to have results to solve problems related to waste management.
The purpose of this work is to substantiate the possibility and advantages of using the exergy fire risk assessment of transportation of MSW in railway transport.
Theory and calculations. The concept of chemical exergy is used to effectively design energy conversion processes, study the level of environmental impact of equipment and technologies, and determine the possibility of minimizing it.
The exergy method can be applied to the assessment of energy-ecological efficiency and the fire hazard of the transport of dangerous waste by train.
Analysis of changes in the morphological composition of the waste was implemented from the 20s of XX century to the present. Formulas for calculating chemical exergy and HHV of MSW were presented.
Results and discussion. The values of chemical exergy and HHV of MSW are determined. An increase in the values of these indicators was acknowledged, which is determined by changes in the morphological composition of the waste.
The dependence between exergy and HHV for the components of MSW was obtained, the correlation coefficient is R2 = 0.975. The dependence between the exergy of TCR of different morphological composition and the HHV, R2 = 0.977, was built. As a result, an analysis of changes in these characteristics was proven by years and the determinated by cities in Russia.
It was proposed to introduce the concept of “exergy” in the procedure for determining the hazard class of MSW. The advantages of the exergy assessment of the fire danger of traffic on the railway transport are revealed.
Conclusion. The exergy approach allows to comprehensively address the issues of energy-ecological efficiency and fire hazard of waste management processes in railway transport. Accounting for indicators of fire hazard through exergy when assigning the hazard class MSW contributes to improving the safety of traffic on the railway transport.
About the Authors
A. G. Khaydarov
Saint Petersburg State Technology Institute (Technical University).
Russian Federation
Russian Federation
Candidate of Technical Sciences, Docent, Associate Professor of Department of Business Informatics.
Moskovskiy Avenue, 26, Saint Petersburg, 190013.
L. A. Koroleva
aint Petersburg University of State Fire Service of Emercom of Russia.
Russian Federation
Russian Federation
Candidate of Technical Sciences, Docent, Deputy Head of Fire, Rescue Equipment and Automotive Industry Department.
Moskovskiy Avenue, 149, Saint Petersburg, 196105.
G. K. Ivakhnyuk
Saint Petersburg State Technology Institute (Technical University).
Russian Federation
Russian Federation
Doctor of Chemical Sciences, Professor, Head of Department of Engineering Protection of Environment.
Moskovskiy Avenue, 149, Saint Petersburg, 196105.
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Review
For citations:
Khaydarov A.G., Koroleva L.A., Ivakhnyuk G.K. EXERGETIC ASSESSMENT OF FIRE HAZARDS OF CARGO TRANSPORTATION ON RAILWAY TRANSPORT. Pozharovzryvobezopasnost/Fire and Explosion Safety. 2018;27(10):26-37. (In Russ.) https://doi.org/10.18322/PVB.2018.27.10.26-37
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