Measurements of contact ultrasound in the workplace
https://doi.org/10.31089/1026-9428-2019-59-8-505-507
Abstract
Introduction. Hygienic control of the levels of contact ultrasound in the workplace should be carried out in accordance with the approved certified measurement procedures. The sanitary-epidemiological norms and rules present the requirements for the normative values and evaluation of contact ultrasound, as well as the methods of measurement of acoustic pressure and the calculation of the time-averaged peak spatial intensity. The analysis of the possibility of measurements of contact ultrasound in the workplace and in the laboratory.
Results. The results showed that the presented measurement methods determine the specific power that the ultrasound source emits into a water-like gel medium, and the specific power is a technical characteristic of the ultrasonic source. This method should be used to determine the ultrasonic characteristics of the ultrasound source in the laboratory at the manufacturers, and not to assess its impact in the workplace. Measurements of contact ultrasound in the workplace are very difficult, as they require extremely complex, expensive research and unique equipment. Thus, to assess the impact of contact ultrasound on the human body in the workplace, it is advisable to use the acoustic characteristics of the contact ultrasound source obtained in the laboratory at the manufacturing plants and presented in the technical documentation.
About the Authors
V. V. Smirnov
North-West Public Health Research Center
Russian Federation
Russian Federation
Vladimir V. Smirnov, senior scientist of the Department of complex hygienic assessment of the physical factors, Cand. of Sci. (Med.), 4, 2nd Sovetskaya str., St. Petersburg, Russia, 191036
E. V. Cryit
North-West Public Health Research Center
Russian Federation
Russian Federation
4, 2nd Sovetskaya str., St. Petersburg, Russia, 191036
Yu. N. Sladkova
North-West Public Health Research Center
Russian Federation
Russian Federation
4, 2nd Sovetskaya str., St. Petersburg, Russia, 191036
O. V. Volchkova
North-West Public Health Research Center
Russian Federation
Russian Federation
4, 2nd Sovetskaya str., St. Petersburg, Russia, 191036
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Review
For citations:
Smirnov V.V., Cryit E.V., Sladkova Yu.N., Volchkova O.V. Measurements of contact ultrasound in the workplace. Russian Journal of Occupational Health and Industrial Ecology. 2019;(8):505-507. (In Russ.) https://doi.org/10.31089/1026-9428-2019-59-8-505-507
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