Research on the distribution of axial excitation of positive pressure ventilators in the aspect of stability safety of the load-bearing frame

Bartosz Wieczorek; Piotr Kaczmarzyk; Łukasz Warguła; Marcin Giedrowicz; Damian Bąk; Łukasz Gierz; Grigor Stambolov; Boris Kostov

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Title

Research on the distribution of axial excitation of positive pressure ventilators in the aspect of stability safety of the load-bearing frame

Authors

Bartosz Wieczorek (WIM) ^{[ 1 ][ 2.9 ][ P ]}
Piotr Kaczmarzyk (WIM) ^{[ 2 ][ 2.9 ][ SzD ]}
Łukasz Warguła (WIM) ^{[ 1 ][ 2.9 ][ P ]}
Marcin Giedrowicz (WA) ^{[ 3 ][ 2.1 ][ P ]}
Damian Bąk
Łukasz Gierz (WIM) ^{[ 1 ][ 2.9 ][ P ]}
Grigor Stambolov
Boris Kostov

^{[ 1 ]} Instytut Konstrukcji Maszyn, Wydział Inżynierii Mechanicznej, Politechnika Poznańska | ^{[ 2 ]} Wydział Inżynierii Mechanicznej, Politechnika Poznańska | ^{[ 3 ]} Instytut Architektury i Planowania Przestrzennego, Wydział Architektury, Politechnika Poznańska | ^{[ P ]} employee | ^{[ SzD ]} doctoral school student

Scientific discipline (Law 2.0)

[2.1] Architecture and urban planning
[2.9] Mechanical engineering

Year of publication

2024

Published in

Advances in Science and Technology Research Journal

Journal year: 2024 | Journal volume: vol. 18 | Journal number: no. 1

Article type

scientific article

Publication language

english

Keywords

EN

positive pressure ventilators
rescue operation
machine vibration
vibration of internal combustion engine
vibration of electric drive
occupational safety

Abstract

EN Positive pressure ventilators are exposed to self-shifting during their operation. The aim of the article was to perform research analysing dynamic excitations resulting from vibrations caused by the operation of the drive system. The tests included four different fans, including one with an electric drive. The tests carried out made it possible to determine the effective RMS R value of vibrations, which is a maximum of 0.970 G, and the direction of the excitation relative to the vertical and horizontal axes. In addition, the values of vibration amplitudes on individual axes of the adopted reference system were determined. In this case, the highest values were measured on the vertical axes for combustion-powered ventilators (vibration value from 20 to 35 m/s2 ) and in the axis along the fan rotor for electric-powered ventilators (vibration value from 1.1 m/s2).

Date of online publication

15.01.2024

Pages (from - to)

142 - 154

URL

http://www.astrj.com/Research-on-the-distribution-of-axial-excitation-of-positive-pressure-ventilators,174845,0,1.html

License type

CC BY (attribution alone)

Open Access Mode

open journal

Open Access Text Version

final published version