Experimental investigation of the fire­extinguishing system with a gas­detonation charge for fluid acceleration

Authors

DOI:

https://doi.org/10.15587/1729-4061.2018.134193

Keywords:

pulsed fire-extinguishing plant, extinguishing agent, gas-detonation charge, fire extinguishing distance, dispersion of atomization

Abstract

To improve the parameters of pulsed fire-extinguishing plants for long-range and mass and dimensional indicators, it was proposed to replace the pneumatic propellant charge with the gas-detonation charge. The charge is formed based on the technical propane-butane mixture with oxygen, and detonation combustion of the mixture was achieved through the application of the electric discharge system of detonation initiation.

It was experimentally proved that the use of the gas-detonation charge instead of the pneumatic charge in pulsed fire-extinguishing plants makes it possible to improve their parameters. An increase in long-range of a water jet, which was achieved in the developed plant, decreases the impact of heat radiation on a rescuer, which ensures the feasibility of application of such systems for fighting large-scale fires. A decrease in gas pressure in cylinders due to transition from compression energy to chemical combustion energy ensures a decrease in the equipment weight and an increase in the number of shots with the extinguishing agent with the same dimensions of similar plants with the pneumatic charge. Specifically, in the plant with the gas-detonation charge, effective fire extinguishing distance, depending on the initial pressure of the charge within 0.1÷0.3 MPa was from 8 to 19 meters for the mass of the extinguishing agent of 1 kg and from 5 to 14 meters for the mass of the extinguishing agent of 2 kg.

The parameters of the electric discharge system, which ensure detonation initiation with minimal electricity consumption, were determined. Specifically, in the case of the use of a special spark plug by two synchronized spark discharges, at complete energy of the charge of 15 J and application of the capacitor of 1.75 µF and inductivity of the discharge curciut of 400 nH, detonation occurs in the pipe of the diameter of 73 mm under conditions of the conducted research at the distance of not more than 180 mm.

The obtained results could be used in designing the plants with a gas-detonation charge.

Author Biographies

Kostyantyn Korytchenko, National Technical University "Kharkiv Polytechnic Institute" Kyrpychova str., 2, Kharkiv, Ukraine, 61002

Doctor of Technical Sciences, Senior Researcher

Department of Electrical Engineering

Oleksandr Sakun, National University of Civil Defence of Ukraine Chernyshevska str., 94, Kharkiv, Ukraine, 61023

PhD, Senior Researcher

Department of military training

Dmytro Dubinin, National University of Civil Defence of Ukraine Chernyshevska str., 94, Kharkiv, Ukraine, 61023

PhD

Department of fire tactics and rescue operations

Yurij Khilko, National University of Civil Defence of Ukraine Chernyshevska str., 94, Kharkiv, Ukraine, 61023

PhD

Department of fire tactics and rescue operations

Evgen Slepuzhnikov, National University of Civil Defence of Ukraine Chernyshevska str., 94, Kharkiv, Ukraine, 61023

PhD

Department of special chemistry and chemical technology

Andriy Nikorchuk, National Academy of National Guard of Ukraine Zakhysnykiv Ukrainy sq., 3, Kharkіv, Ukraine, 61001

PhD

Scientific and Research Center of Service and Military Activities of the National Guard

Ivan Tsebriuk, National Academy of National Guard of Ukraine Zakhysnykiv Ukrainy sq., 3, Kharkіv, Ukraine, 61001

PhD, Associate professor

Department of operation and repair of cars and combat vehicles

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Published

2018-06-19

How to Cite

Korytchenko, K., Sakun, O., Dubinin, D., Khilko, Y., Slepuzhnikov, E., Nikorchuk, A., & Tsebriuk, I. (2018). Experimental investigation of the fire­extinguishing system with a gas­detonation charge for fluid acceleration. Eastern-European Journal of Enterprise Technologies, 3(5 (93), 47–54. https://doi.org/10.15587/1729-4061.2018.134193

Issue

Vol. 3 No. 5 (93) (2018): Applied physics

Section

Applied physics

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Copyright (c) 2018 Kostyantyn Korytchenko, Oleksandr Sakun, Dmytro Dubinin, Yurij Khilko, Evgen Slepuzhnikov, Andriy Nikorchuk, Ivan Tsebriuk

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