Аssessment of admissibility of 100-day human sealing in normobariс gaseous environments, increasing fire safety of habitated hermoobjects

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Abstract

OBGECTIVE: the assessment of admissibility of a human long-term stay in regulated normobaric hypoxic gaseous environments, increasing fire safety of habituated hermoobjects.

MATERIALS AND METHODS: Men aged 25–32 (5 people) and 53 (1 person) were surveyed. Inside the test bench a gaseous environment was created with 19–18% vol. oxygen content — a continued stay room, or 17–16% vol.— periodical stay one (4 hours per day). The duration of the tests was 100 days. Once in 10 days there was the «regulation» (fast nitrogen input) of the gaseous environment with the decrease in oxygen concentration up to 15–12% vol., while the volunteers being in such conditions for 2 hours.

RESULTS: During the whole period of 100-day sealing none of the volunteers experienced signs of somatic and mental health disorders; all the volunteers completed the testing program successfully.

CONCLUSION: The results justify the admissibility of applying the technology of regulated normobaric hypoxic gaseous environments in the developed modes to increase fire safety of habituated hermoobjects, particularly in submarines.

About the authors

A. O. Ivanov

The Naval Academy after N. G. Kuzhetsov

Author for correspondence.
Email: ivanoff65@mail.ru
ORCID iD: 0000-0002-8364-9854

Andrey O. Ivanov — Dr. of Sci. (Med.), Professor, Senior Researcher of the Research Department (Ship habitability and medical support of the Navy personnel) Scientific Research Institute of Shipbuilding and Armaments of the Navy of the MTSC

197101, St. Petersburg, st. Chapaeva, 30

Phone: 8 (911) 733-73-69

SPIN-code 5176–2698

Russian Federation

V. A. Petrov

The Association of Developers and Manufacturers of Monitoring Systems

Email: vas3188@yandex.ru

Vasiliy A. Petrov — Cand. of Sci. (Techn.), Executive director

Russia, 199034, Saint-Petersburg, 17 line of Basil Island, 4–6

Russian Federation

A. Ye. Yeroshenko

The Rostov State Medical University

Email: andre-zdrav@mail.ru
ORCID iD: 0000-0002-6767-7302

Andrey Yu. Eroshenko — Cand. of Sci. (Med.), Associate Professor of the Department of Life Safety and Disaster Medicine

344022, Rostov-on-Don, Nakhichevansky st., 29

Рhone: 8 (918) 558-12-28

SPIN-code 4289–9063

Russian Federation

V. F. Belyaev

The Naval Academy after N. G. Kuzhetsov

Email: viktme@mail.ru

Viktor F. Belyaev — Cand. of Sci. (Med.), Senior Researcher of the Research Department (Ship habitability and medical support of the Navy personnel) Scientific Research Institute of Shipbuilding and Armaments of the Navy of the MTSC

197101, St. Petersburg, st. Chapaeva, 30

Phone: +7 (911) 244-80-40

SPIN 1225–7174

Russian Federation

Yu. E. Barachevsky

The Northern State Medical University

Email: barje1@yandex.ru
ORCID iD: 0000-0002-5299-4786

Yuriy E. Barachevskiy — Dr. of Sci. (Med.), Professor, Head of the Department of Mobilization Training of Public Health and Disaster Medicine

163000, Arkhangelsk, Troitskiy av., 51

Рhone: 8 (911) 877-23-93

SPIN-code 1253–4389

Russian Federation

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