Proposals for maintaining temperature condition in the undersuit space of the rescuer

Authors

  • T. V. Kostenko Cherkassy Institute of Fire Safety named after Chernobyl Heroes National University of Civil Defense of Ukraine, Cherkassy, Ukraine
  • O. V. Kostyrka Cherkassy Institute of Fire Safety named after Chernobyl Heroes National University of Civil Defense of Ukraine, Cherkassy, Ukraine
  • A. I. Berezovskyi Cherkassy Institute of Fire Safety named after Chernobyl Heroes National University of Civil Defense of Ukraine, Cherkassy, Ukraine
  • O. M. Zemlianskyi Cherkassy Institute of Fire Safety named after Chernobyl Heroes National University of Civil Defense of Ukraine, Cherkassy, Ukraine
  • D. I. Golovko Cherkassy Institute of Fire Safety named after Chernobyl Heroes National University of Civil Defense of Ukraine, Cherkassy, Ukraine

DOI:

https://doi.org/10.31498/2225-6733.39.2019.201081

Keywords:

rescuer, heat trauma, refrigerant, heater manifold, undersuit space

Abstract

The elimination of fires and the consequences of emergencies is carried out in conditions of high temperatures, abnormal humidity of the environment, smoke screening, and is often accompanied by intense physical exertion, nervous tension, that is, it is carried out under high ergothermic and psycho-emotional stresses of the rescuer. The purpose of this work is to develop proposals to improve the temperature regime in the undersuit space of the rescuer during operations at low ambient temperatures by substantiating the parameters of the water cooling system of the heat-proof suit. The article discusses the urgent issue of maintaining a comfortable temperature in the undersuit space of the rescuer during the elimination of fires. The most effective way to protect rescuers from the negative effects of fires is to use a flow-through cooling scheme with either water or a foaming solution as a refrigerant. The disadvantage of this method is the effect of contrasting temperatures on the human body, which creates a danger of hypothermia. To prevent the effects of low temperatures in the cold season, it is proposed to use a heater manifold made of elastic heat-conducting material. The heater manifold with thermostat performs a dual function, namely the heating of the refrigerant, as well as shielding the outer shell of the thermal suit from the direct action of heat rays and convection gas flows. The scientific significance of the article is that for the first time it has been proposed to use the radiation energy of a combustion source to heat a low-temperature refrigerant in the cooling systems of rescuers. The practical significance of the results obtained in the article is that the proposed technical solution will make it possible to improve the temperature regime in the undersuit space of the rescuer while conducting operative actions in the conditions of intense thermal radiation and low ambient temperatures

Author Biographies

T. V. Kostenko, Cherkassy Institute of Fire Safety named after Chernobyl Heroes National University of Civil Defense of Ukraine, Cherkassy

Доктор технічних наук, доцент

O. V. Kostyrka, Cherkassy Institute of Fire Safety named after Chernobyl Heroes National University of Civil Defense of Ukraine, Cherkassy

Кандидат технічних наук, доцент

A. I. Berezovskyi, Cherkassy Institute of Fire Safety named after Chernobyl Heroes National University of Civil Defense of Ukraine, Cherkassy

Кандидат технічних наук, доцент

O. M. Zemlianskyi, Cherkassy Institute of Fire Safety named after Chernobyl Heroes National University of Civil Defense of Ukraine, Cherkassy

Кандидат технічних наук, доцент

D. I. Golovko, Cherkassy Institute of Fire Safety named after Chernobyl Heroes National University of Civil Defense of Ukraine, Cherkassy

Студент

References

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How to Cite

Kostenko, T. V., Kostyrka, O. V., Berezovskyi, A. I., Zemlianskyi, O. M., & Golovko, D. I. (2020). Proposals for maintaining temperature condition in the undersuit space of the rescuer. Reporter of the Priazovskyi State Technical University. Section: Technical Sciences, (39), 185–191. https://doi.org/10.31498/2225-6733.39.2019.201081

Issue

No. 39 (2019): Reporter of the Priazovskyi State Technical University. Section: Technical sciences

Section

Technogenic security

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