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5
Jul

Bulkin V.V., Solovjev L.P., Sharapov R.V., Pervushin R.V., Kirillov I.N. The problems of creating monitoring systems for acoustic noise pollution in residential areas

The problems of creating monitoring systems for acoustic noise pollution in residential areas

Bulkin V.V., Solovjev L.P., Sharapov R.V., Pervushin R.V., Kirillov I.N.

Noise pollution of residential areas is becoming an increasingly serious problem. Continuous growth in automotive transport intensity, construction and industrial sites in the urban environment lead to the fact that the acoustic discomfort zone in modern cities covers up to 50 % of their territory. It is urgent to monitor acoustic noise pollution in residential areas as well as predict possible noise propagation deep into residential areas. Besides acoustic noise of the audible range, infrasound and ultrasonic waves aggravate noise pollution. When predicting acoustic noise propagation, it is necessary to consider the local meteorological parameters for specific areas of urban environment. Thus, the task of creating automatic combined monitoring systems is becoming extremely important. Noise propagation prediction can be provided by means of geographic information systems. The paper analyzes the known and possible approaches and tools for solving the problem of efficient noise pollution monitoring of residential areas.

Keywords: acoustic noise, meteorological parameters, infrasound, visualization, measuring system.

References

  1. Mukhamedova G.R. Harakteristiki otoakusticheskoj jemissii ulic, podvergajushhihsja vozdejstviju intensivnogo proizvodstvennogo shuma [Otoacoustic emission characteristics in individuals exposed to intense industrial noise]: PhD work. –Moscow: 2006. –16 p.
  2.  Kalinichenko M.V. Nekotorye aspekty problemy zagrjaznenija urbanizirovannyh territorij avtotransportom (na primere goroda Muroma)[Some aspects of the problem of pollution in urban areas motor vehicles (for example, the city of Murom)] // Jekologija i promyshlennost’ Rossii [Ecology and Industry of Russia], 2012, №12. – P.2-5.
  3. Solovjev L.P., Bulkin V.V., Sharapov R.V. Sushhestvovanie cheloveka v ramkah tehnosfery [The existence of man in the technosphere] // Mashinostroenie i bezopasnost’ zhiznedejatel’nosti [Engineering industry and life safety], 2012, № 1 (11). – P.31-39.
  4. Bulkin V.V., Bulkin A.V. Raspredelenie vetrovyh potokov v urbanizirovannom prostranstve kak jelement sistemy kon-trolja jekologicheskoj obstanovki [Distribution of wind flows in an urban space as an element of control environmental conditions] // Mashinostroenie i bezopasnost’ zhiznedejatel’nosti [Engineering industry and life safety], 2008, № 5. –P.14-20.
  5. Belyaev V.E., Bulkin V.V., Kirillov I.N. Operativnyj akustolokacionnyj monitoring prizemnogo sloja atmosfery [Operational monitoring acoustic location atmospheric boundary layer] // Mashinostroenie i bezopasnost’ zhiznedejatel’nosti [Engineering industry and life safety], 2010, № 7. –P.18-21.
  6. Report of the United Nations Conference on Environment and Development. Rio de Janeiro, 3-14 June 1992. Volume 1. http://www.un.org/ru/documents/ ods.asp?m=A/CONF.151/26/REV.1 (VOL.I)
  7. Impact of infrasound on the human body // Construction equipment. Weekly electronic publication. Issue 23. Article 4. http://www.mrmz.ru/article/v23/article4.htm
  8. Smit K. Principles of Applied Climatology.– McGraw-Hill Book Company (UK) Limited, London, 1975.
  9. Panova M.S., Bulkin V.V. O dostovernosti kontrolja sinopticheskih parametrov pri nalichii i otsutstvii vozmushhajushhih faktorov tehnogennogo haraktera [The reliability of the synoptic control parameters in the presence and absence of disturbing factors manmade] // Metody i ustrojstva peredachi i ob-rabotki informacii [Methods and the transmission and processing of information], 2010, № 1 (12). – P.38-40.
  10. Bulkin V.V., Grigorjuk E.N., Bulkin A.V. Analiz vozmozhnogo vlijanija raspredelenija vetrovyh potokov na harakter rasprostranenija zagrjaznjajushhih veshhestv v okrestnostjah Muroma [An analysis of the possible impact of the distribution of wind flows on the distribution of contaminants in the vicinity of Murom] // Mashinostroenie i bezopasnost’ zhiznedejatel’nosti [Engineering industry and life safety], 2012, № 2. –P.16-19.
  11. Bulkin V.V., Belyaev V.E., Kirillov I.N. Model’ passivno-aktivnoj akustolokacionnoj jekologo-meteo37.
  12. Ryazapov A.Z., Vasyuchkova E.I., Voronich S.S., Bagryantsev V.A., Slepchenko V.N., Lomakin G.V. Vozmozhnosti razvitija apparaturno-metodicheskogo obespechenija regional’noj sistemy jekologicheskogo monitoringa [Opportunities for the development of hardware and methodological support of the regional environmental monitoring system] // Jekologicheskie sistemy i pribory [Environmental Systems and Devices], № 7, 2012. –P.13-17.
  13. Pervushin R.V. Model’ izmeritel’noj radiometeorologicheskoj sistemy [Model radiometeorological measuring system] // Metody i ustrojstva peredachi i obrabotki informacii [Methods and the transmission and processing of information], 2009, № 11. –P.406-410.
  14. Bulkin V.V. Sovmeshhjonnye radiolokacionnye sistemy meteorologicheskogo naznachenija [Combined radar systems for meteorological purposes] // Radiotehnicheskie i telekommunikacionnye sistemy [Ra86.
  15. Demidenko A.G. Opyt primenenija GIS-tehnologij KB “Panorama” pri postroenii avtomatizirovannyh sistem monitoringa[Experience in the application of GIS technology KB “Panorama” in the construction of automated monitoring systems] // Inzhenernye izyskanija [Engineering surveys], 2009, № 10. – P.62-66.
  16. Sharapov R.V., Sharapova E.V., Tsvetnikov A.V. Geoinformacionnaja sistema edinogo jekologicheskogo monitoringa regiona [Geoinformation system of unified environmental monitoring region] // Valihanovskie chtenija-10: Sbornik materialov mezhdunarodnoj nauchno-prakticheskoj konferencii [Proceeding of Valihanov reeds 10]. Vol. 9. Kazakhstan, Kokshetau, 2005. – P.263-266.
  17. Solovjev L.P. Sovershenstvovanie sistemy monitoringa selitebnyh territorij naselennyh punktov jekologo-jekonomicheskih sistem [Improvement of monitoring residential areas of ecological and economic systems] // Mashinostroenie i bezopasnost’ zhiznedejatel’nosti [Engineering industry and life safety], 2013, № 2. –P.15-19.

«Engineering industry and life safety» №1 (19), 2014. Pages: 48-54

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Bulkin Vladislav Venediktovich – Ph.D., Murom Institute of Vladimir State University, Murom, Russia. E-mail: vvbulkin@mail.ru
Solovjev Lev Petrovich – Ph.D., Murom Institute of Vladimir State University, Murom, Russia. E-mail: solovjev47@mail.ru
Sharapov Ruslan Vladimirovich – Ph.D., Murom Institute of Vladimir State University, Murom, Russia. E-mail: info@vanta.ru
Pervushin Radislav Valentinovich – Ph.D., Murom Institute of Vladimir State University. E-mail: prv@pochta.ru
Kirillov Ivan Nikolaevich – Graduate student, Murom Institute of Vladimir State University, Murom, Russia. E-mail: lwb@mivlgu.ru

5
Jul

Shtikov E.A. First-respond buildings as a way of protecting residential areas from noise pollution

First-respond buildings as a way of protecting residential areas from noise pollution

Shtikov E.A.

The paper considers the noise pollution issue of residential areas in the town of Murom. The paper presents analysis on the most common methods of noise control such as source noise reduction, sound suppression, con-struction and planning activities and engineering tools. Special attention is paid to the construction and planning means, that is the first-respond buildings. The paper presents performance calculations on the above mentioned noise control means in one of the typical residential areas. The calculations have been performed in Kulikov Street section in the town of Murom. The results show that the first-respond buildings prove to be a working means of noise control. It is advisable to rationalize this technique while designing and constructing residential areas, rather than when the noise is produced.

Keywords: first-respond building, residential areas, noise pollution.

References

  1. Radzevich N.N., Pashkang K.V. Ohrana i preobrazovanie prirody [Security and the transformation of nature]. – Moscow: Education, 1986.
  2. SNIP 23-03-2003. Zashhita ot shuma [Protection against noise]. – Moscow Stroyizdat 2004.
  3. Vosnesenskaya E.S., Leontieva Y.N.Raschet transportnogo shuma: Metodicheskie ukazanija k raschetno-graficheskoj rabote [Calculation of traffic noise: Guidelines for calculation and graphic work]. – St. Petersburg.: Civil Engineering, 2007. – 42 p.

«Engineering industry and life safety» №1 (19), 2014. Pages: 42-47

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Shtikov Evgeniy Andreevich – Student, Murom Institute of Vladimir State University, Murom, Russia. E-mail: shtikov92@mail.ru

5
Jul

Sidorov A.V. The technique of small air ions concentration measurement at the PC operator working place

The technique of small air ions concentration measurement at the PC operator working place

Sidorov A.V.

The paper considers small air ions concentration measurements guidelines and operation manuals for small air ions counters “Sapphire-3k”, MAS-01 and “Alpha Lab Air Ion Counter”. The guidelines and manuals under analysis appear to lack recommendations required for small air ions concentration measurement in the course of the research work, as well as for obtaining the most accurate and reliable results. While working out measurement guidelines it is advisable to follow the provisions of Instructional Lines 4.3.1675-03 “General Requirements for Air Ionic Composition Control” and GOST 8.207-76 “Direct measurements with multiple observations. Observation results processing methods. Main principles” of disregarding random error value under instrumental error enormity. While using “Sapphire-3k” air ion counter the guidelines on small air ions concentration measurements have been worked out and provided.

Keywords: small air ions, measurement, air ion counter, measurement error, measurement technique.

References

  1. AirIonCounter Model AIC Short Instructions. Manufactured in the USA by AlphaLab, Inc. 3005 South 300 West Salt Lake City, Utah 84115 USA. – http://www.trifield.com/content/air-ion-counter/.
  2. Antoshchuk S.G., Babich N.I., Panov V.G., Burdyka L.F.: Problema ajeronifikacii pri sozdanii racional’nogo mikroklimata v pomeshhenijah s personal’nymi komp’juterami [Problem of aeroionification at creation of rational microclimate in apartments from the personal computer] // Elektromashinobuduvannja ta elektroobladnannja. Mіzhvіdomchij naukovo-tehnіchnij zbіrnik [Electrical machine-building and electrical equipment. The scientific and technical journal], 2009, Issue 74. – p. 41-47.
  3. Cherniy K.A: K voprosu o metodah ocenki I korrekcii ajeroionnogo sostava vozdushnoj sredy na rabochih mestah operatorov PJeVM [Study of ways of air ion mode investigation and correction on the operator workplace] // Izvestija JuFU. Tehnicheskie nauki. Tematicheskij vypusk «Medicinskie informacionnye sistemy» [Izvestiya SFedU. Engineering sciences. Theme edition “Medical information systems”]. – Taganrog: TIT SFedU, 2010, № 9 (110). – P. 70-74.
  4. DNAOP 0.03-3.06-80 Sanitarno-hihiienichni normy dopustymykh rivniv ionizatsii povitria vyrobnychykh ta hromadskykh prymishchen [Sanitary and hygienic standards of permissible levels of air ionization in occupational and public rooms] №2152-80.
  5. Guskov A.S., Ingel F.I., Malysheva A.G: Izuchenie vlijanija ajeroionifikacii na funkcional’noe sostojanie i zdorov’e rabotajushhih [Study of aeronification influence on functional condition and health of workers] // Jekologija zhilyh pomeshhenij goroda Moskvy. Sbornik trudov postojanno-dejstvujushhego nauchno-praktiches-kogo gorodskogo seminara [Ecology of living spaces in Moscow city. Collected papers of permanent scientific and practical city seminar]. – Moscow: MGUIE, 2005, Vol. 5. – P. 96-104.
  6. Gustavs K.Options to minimize non-ionizing electromagnetic radiation exposures (EMF/RF/Static Fields) in office environments. Final paper of Environmental & Occupational Health Certificate Program. University of Victoria, 2008. 158 p.
  7. Metodicheskie ukazanija MUK 4.3.1675-03 «Obshhie trebovanija k provedeniju kontrolja ajeroionnogo sostava vozduha» [General requirements for air ionic composition control]. Moscow.: Minzdrav Rossii, 2004. – 8 p.
  8. Schetchik ajeroionov malogabaritnyj MAS-01 [Air ion counter MAS-01] Rukovodstvo po jekspluatacii. MGFK 510000.001 RJe. – Moscow, 2003. – 24 p.
  9. Schеtchikajeroionov «Sapfir-3k» [Airioncounter “Sapphire-3k”]. Gosudarstvennyjreestr № 18295-99. Rukovodstvopojekspluatacii. Bd2.899.000 RJe. – 29 p.
  10. Sydorov O.V. Vpliv operatoru EOM na іonnij sklad povіtrja [Impact of computer operator on ionic composition of air. In: AVIA-2013] // Avіa-2013. Materіali XI mіzhnarodnoї naukovo-tehnіchnoi konferencіi „AVІA-2013”. [Proceedings of the XI International conference of science and technology “AVIA-2013”]. Vol.5. – Kiew: NAU, 2013. – P. 32.65-32.68.

«Engineering industry and life safety» №1 (19), 2014. Pages: 36-41

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Sidorov Aleksandr Vladimirovich – Assistant, National Aviation University, Kiev, Ukraine. E-mail: sidorovav@ukr.net

5
Jul

Nizova E.S., Sereda S.N. The problem of environmental pollution in the process of raw corn starch manufacturing

The problem of environmental pollution in the process of raw corn starch manufacturing

Nizova E.S., Sereda S.N.

The paper aims at working out a number of practical recommendations for possible improvements in the raw corn starch shop wastewater system of “Novlyansky” public company. The statement of need for the effective environmental management is based on poor quality assessment of wastewater collected in the course of environmental studies and economical production inexpediency according to the open cycle technological schedule. The paper suggests using technical equipment intended to close the technological cycle for the processed water (gluten suspension) and to seek for non-wastewater corn grain processing, thereby reducing the negative impact of hazardous and harmful factors on the environmental security level. A flotation machine designed to extract suspended protein substances out of gluten suspension is to serve as the basic component of the equipment. The pressure flotation technology under study will require no chemical agents. It is a non-waste process as the extracted foam layer is gluten which is a high protein vegetable stock used as a valuable component of feed corn.

Keywords: a loop system, gluten suspension, pressure flotation.

References

  1. Vetoshkin A.G. Processy i apparaty zashhity gidrosfery: Uchebnoe posobie [Processes and devices protect hydrosphere: Textbook]. – Penza, 2004. – 188 p.
  2. Zhilinskaya J.A., Glushankova I.S., Djakov M.S., Viskov M.V.Raschet i proektirovanie sistem obespechenija inzhenernoj zashhity poverhnostnyh i podzemnyh vod ot tehnogennyh zagrjaznenij [Calculation and design of engineering protection providing of surface and groundwater from technogenic pollution]. – Penza, 2012. – 401 p.
  3. Kostenko V.G., Ovchinnikov A.E., Gorbatov V.M. Starch production[Proizvodstvo krahmala]. – Moscow: TsNIITEIpischeprom, 1975. – 207 p.
  4. Matov B.M. Flotacija v pishhevoj promyshlennosti [Flotation of the food industry]. – Moscow: Food industry, 1975. – 167 p.
  5. Spravochnik po krahmalo-patochnomu proizvodstvu [Handbook of starch and syrup production] / Ed. E.A. Shtyrkova, M.G. Gubin. – Moscow: Food industry, 1978. – 431 p.

«Engineering industry and life safety» №1 (19), 2014. Pages: 30-35

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Nizova Elizaveta Sergeevna – Student, Murom Institute of Vladimir State University, Murom, Russia. E-mail: elisabetta1992@mail.ru
Sereda Sergey Nikolaevich – Ph.D., Murom Institute of Vladimir State University, Murom, Rus-sia. E-mail: sereda-2010@mail.ru

5
Jul

Nedelyaeva A.V., Kasatkina L.N. The issues of work hardness and intensity

The issues of work hardness and intensity

Nedelyaeva A.V., Kasatkina L.N.

The paper presents research results on defining work hardness and intensity of merchandisers employed in Nizhny Novgorod division of the Wrigley Co. The merchandisers’ work involves the company products promotion, equipment assembly and installation, etc. Ergonomic, physiological and other techniques are applied in the course of research work. The Hygienic Factor Assessment Guide of R 2.2.2006-05 Working Environment is used to evaluate work hardness and intensity. The study results are based on the detailed data analysis received in working conditions evaluation of 10 males (aged 22-30) working for the Wrigley Co. A chronometry method establishes that merchandisers’ work hardness should be marked as class 3.2 (harmful work conditions), while the ultimate work hardness evaluation is marked in accordance with the highest hardness rate (lifting and carrying heavy objects (goods) and work in an uncomfortable position (half-bent or bending to the floor). The work intensity corresponds to class 2.0 requirements (allowable workplace exposure limits). At the end of the working day all the people in the group of interest show a 30% rise in the heart rate and 5% systolic blood pressure rise. To prevent harmful consequences, a number of recommendations has been worked out to optimize the working time management of the merchandisers in the Wrigley Company.

Keywords: merchandisers’ work hardness and intensity, ergonomic and physiological data (checking pulse and blood pressure).

References

  1. Evseyev A.Y. Ohrana truda: sbornik normativnyh dokumentov «Oblastnogo uchebno-metodicheskogo centra ohrany truda i social’nogo partnerstva» [Labour Protection: A Manual of Norms and Standarts Acts of the Regional Center of Labour Protection and Social Partnership]. – N.Novgorod, 2008. – 151 p.
  2. Rukovodstvo po gigienicheskoj ocenke faktorov rabochej sredy i trudovogo processa [The Manual on Hygienic Factor Assessment of the Workplace Environment and Labour Process] R 2.2.2006-05.

«Engineering industry and life safety» №1 (19), 2014. Pages: 26-29

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Nedelyaeva Anna Vyacheslavovna – Ph.D., Minin Nizhny Novgorod State Pedagogical Universi-ty, Nizhny Novgorod, Russia. E-mail: trudngpuAnna@mail.ru
Kasatkina Ludmila Nikolaevna – Student, Minin Nizhny Novgorod State Pedagogical University, Nizhny Novgorod, Russia. E-mail: altair543@rambler.ru

5
Jul

Mikhalev A.V., Tumanova N.I. IBSA procedure as a tool of reducing injury possibility in manufacturing process

IBSA procedure as a tool of reducing injury possibility in manufacturing process

Mikhalev A.V., Tumanova N.I.

The paper presents standards for reducing injury possibility in manufacturing processes through the introduction of individual behavioral safety audits (IBSA) procedure. The auditor-employee communication mechanism is considered. The IBSA structural-logic procedure is presented which clearly demonstrates its routine in detail and reflects the basic psychological techniques for the auditor to complete the “positive dialogue” with the employee, depending on the latter’s behavior in the workplace /site. The paper gives fundamental parameters for analyzing the IBSA procedure results. A special blank is to be filled by both the auditor and the employee under control. Also, according to the analysis results it is advisable to introduce the IBSA procedure into a three-level safety control system of manufacturing processes.

Keywords: audit, IBSA, individual behavioral safety audit, reducing the possibility of injury, positive dialogue, risky behav-ior, dangerous conditions, work safety.

References

  1. OHSAS 18001:2007. Occupational Health and Safety Management Systems. Requirements.
  2. Smirnov B.A., Dolgopolova E.V. Psihologija dejatel’nosti v jekstremal’nyh situacijah [Psychology of Performance in Extreme Situations]. Vol.2 – Kharkov: Humanitarian Centre, 2007. – 292 p. – ISBN 966-8324-29-3.

«Engineering industry and life safety» №1 (19), 2014. Pages: 18-25

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Mikhalev Aleksandr Valerjevich – Student, Vladimir State University, Vladimir, Russia. E-mail: splinter-x@bk.ru
Tumanova Nina Ivanovna – Ph.D., Vladimir State University, Vladimir, Russia. E-mail: nitumanova@mail.ru

5
Jul

Glyva V.A, Panova E.V. The study of geometric criteria for electromagnetic shielding

The study of geometric criteria for electromagnetic shielding

Glyva V.A, Panova E.V.

The paper deals with the estimation of existing approaches to electromagnetic fields and radiation shielding. The metrological base has proved to be insufficient. The new approach to solving this problem has been offered. The paper presents the electromagnetic shields classification in accordance with their structural features for preliminary efficiency estimation, depending on the screened field frequency range with multiple sources of electromagnetic fields. Geometric criteria calculation provides an opportunity to choose the most efficient form of shielding depending on the field source location, its frequency and amplitude characteristics. The experimental study performance and theoretical calculation make it possible to select the technical characteristics of the material meeting the absorption requirements and reflection ratios depending on the screening purposes, as well as to select the geometrical parameters of the electromagnetic screen, based on the criteria developed. Calculations of the advantages of this approach have been performed, restrictions and disadvantages for specific working conditions and safety conditions in the technosphere have been identified.

Keywords: electromagnetic field, screening, measurement.

References

  1. Glyva V.A. Method of electromagnetic screen shielding properties determination / V.A. Glyva, E.V. Panova // Science & military, 2013, №2.
  2. Apollonskiy S.M. Postroenie modelirujushhih ustrojstv dlja issledovanija vneshnih jelektricheskih polej istochniko [Building simulators to explore sources of external electric fields] / S.M Apollonskiy, I.D Loginov // Izvestija AN SSSR. Jenergetika i transport [Math. USSR Academy of Sciences. Energy and transport], 2009, № 1. – P. 104-110.
  3. Ostrovsky O.S. Zashhitnye jekrany i poglotiteli jelektromagnitnyh voln [Protective shields and absorbers of electromagnetic waves] / O.S Ostrovsky, E.N Odarenko, A.A Shmatko // Kharkiv National University V.N Karazina, Ukraine, 2003. URL: http://www.bnti.ru/
  4. Glyva V.A. Zasobi pіdvishhennja bezpechnoї ekspluatacії suchasnogo komp’juternogo obladnannja [Means to improve the safe operation of modern computer equipment] / V.A. Glyva, A.V Luk’yanchikov, L.O Levchenko, O.V Panova // Problemi ohoroni pracі v Ukrainі [Problems in Ukraine parts receptionists]. – Kiev, 2008, № 15. – P. 98-105.
  5. Volohov S.A. Zakonomernosti raspredelenija vneshnego magnitnogo polja jelektrooborudovanij [Patterns of distribution of an external magnetic field of electrical equipment] / S.A. Volohov, P.N Dobrodeev // Jelektrotehnika [Electrical engineering], 2006, № 4. – P.28 -33.
  6. Patent 74857 Ukraine, IPC G12V17/00. Elektromagnіtnij ekran z kerovanimi zahisnimi vlastivostjami [Electromagnetic shield with controlled barrier properties] / Glyva V.A., Nazarenko M.V., Podobed І.M., Matveeva O.L., Panova O.V.; Representative and patent owners; stated 12.05.2012, published 12.11.2012, Bull. № 21.
  7. Lynkov L.M. Gibkie konstrukcii jekranov jelektromagnitnogo izluchenija [Flexible design screens EMI] / L.M Lynkov V.A Bogush, V.P Glybin. Ed. L.M. Lynkov. – Minsk, 2000. – 284 p.

«Engineering industry and life safety» №1 (19), 2014. Pages: 10-17

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Glyva Valentyn Anatoliyevich – Professor, Doctor of Technical sciences NAU, National aviation university, Kiev, Ukraine. E-mail: larlevch@mail.ru
Panova Elena Vasilievna – Assistant of Kiev national university of construction and architecture, Kiev, Ukraine. E-mail: elena_panova@list.ru

5
Jul

Bulkin V.V., Kirillov I.N. Estimating the meteorological parameters impact on the propagation distance of acoustic noise pollution in residential areas

Estimating the meteorological parameters impact on the propagation distance of acoustic noise pollution in residential areas

Bulkin V.V., Kirillov I.N.

Acoustic noise pollution of residential areas is becoming an increasingly serious problem. The analysis of possible noise propagation deep into residential areas is to be carried out both on the basis of noise spectral characteristics and the existing peak noise signals as well as the average or local meteorological conditions prevailing in the area. The paper analyzes possible signal attenuation ratio variation for different frequencies when changing the basic meteorological parameters such as ambient temperature, humidity and atmospheric pressure. The simulation results are presented as graphs. Temperature changes effect signal attenuation at most: within 30 to −20оC range, signal attenuation value can be increased from 29.4 dB/km up to 170.5 dB/km.

Keywords: acoustic noise, acoustic signal attenuation, frequency, temperature, humidity, pressure.

References

  1. GOST 31295.1-2005. Shum. Zatuhanie zvuka pri rasprostranenii na mestnosti. Chast’ 1. Raschjot pogloshhenija zvuka atmosferoj [Noise. Attenuation of sound propagation in the locality. Part 1. Calculation of sound absorption atmosphere]. – Moscow: Standartinform 2009. – 35 p.
  2. Bulkin V.V., Belyaev V.E., Kirillov I.N. Model’ passivno-aktivnoj akustolokaci-onnoj jekologo-meteorologicheskoj sistemy [Model of passive-active acoustic radar ecological and meteorological systems] // Proektirovanie i tehnologija jelektronnyh sredstv [Design and technology of electronic media], 2011, № 1. – P.16-19.
  3. Bulkin V.V., Kirillov I.N., Belyaev V.E. Passivnyj kanal passivno-aktivnoj sistemy monitoringa urbanizirovannogo prostranstva [Passive channel passive-active system monitoring urbanized space] // Radiotehnicheskie i telekommunikacionnye sistemy [Radio Engineering and Telecommunication Systems], № 4, 2012. – P.47-51.
  4. Kirillov I.N., Kalinichenko M.V., Panova M.S. O tochnosti analiza akusticheskih shumov v urbanizirovannom prostranstve [On the accuracy of the analysis of acoustic noise in an urban space] // II Vserossijskie Armandovskie chtenija: Radiofizicheskie metody v distancionnom zondirovanii sred / Materialy V Vserossijskoj nauchnoj konferencii [II All-Russian Armand reading: Radiophysical methods in remote sensing environments / Proceedings of the V Scientific Conference] (Murom, 26-28 June, 2012). – Murom: MI VlSU, 2012. – P. 418 -421.
  5. Kirillov I.N., Bulkin V.V. Nekotorye rezul’taty primenenija passivnogo kanala passivno-aktivnoj sistemy monitoringa urbanizirovannogo prostranstva [Some results of the passive channel passive-active system monitoring urbanized space] // III Vserossijskie Armandovskie chtenija: Sverhshirokopolosnye signaly v radiolokacii, svjazi i akustike / Materialy IV Vserossijskoj nauchnoj konferencii [III All-Russian Armand reading: Superwideband signals in radar, communications and acoustics / Proceedings of the IV All-Russian Scientific Conference] (Murom, 25-27 June 2013 ). – Murom: MI VlSU, 2013. –P.249-253.
  6. Kirillov I.N., Bulkin V.V. Matematicheskaja model’ vlijanija faktorov okruzhajushhej sredy na rasprostranenie shuma v atmosfere [Mathematical model of environmental factors on the distribution of noise in the atmosphere] // Nauka i obrazovanie v razvitii promysh-lennoj, social’noj i jekonomicheskoj sfer regionov Rossii.VI Vserossijskie nauchnye Zvorykinskie chtenija [Science and education in the development of industrial, social and economic spheres regions Russia. Proceedings of the VI All-Russian scientific Zvorykin reading]. (Murom, February 7, 2014). – Murom: MI VlSU, 2014. – P.329-330.
  7. GOST R 53188.1-2008. Shumomery. Chast’ 1. Tehnicheskie trebovanija [Sound Level Meters. Part 1. Technical requirements]. – Moscow: Standartinform, 2009. – 32 p.

«Engineering industry and life safety» №1 (19), 2014. Pages: 5-9

Download full text:Bulkin V.V., Kirillov I.N. Estimating the meteorological parameters impact on the propagation distance of acoustic noise pollution in residential areas

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Bulkin Vladislav Venediktovich – Ph.D., Murom Institute of Vladimir State University, Murom, Russia. E-mail: vvbulkin@mail.ru
Kirillov Ivan Nikolaevich – Post-graduate student, Murom Institute of Vladimir State University, Murom, Russia. E-mail: lwb@mivlgu.ru

5
Jul

Fabrichniy D.Y., Tolengutova M. M., Fabrichniy Y.F. Automatic adjustment systems for hydraulic impact machines according to the tool load

Automatic adjustment systems for hydraulic impact machines according to the tool load

Fabrichniy D.Y., Tolengutova M. M., Fabrichniy Y.F.

Hydraulic impact machines are widely used in mining, construction and other industries for rock and man-made material destruction, for shaping objects and other manufacturing operations. Nowadays, there are a lot of hydraulic machines distinguished by layouts, designs and options. However, their common feature is the lack of automatic adjustment systems for operating parameters depending on the tool load. The problem is to increase hydraulic machine performance at the expense of the input power rational consumption as well as to enhance the efficiency. The paper presents the search result of systems capable of solving the problem. It is shown that hydraulic fluid flow controls and the striker travel value will lead to the automatic adjustment of both impact frequency and single-impact energy of a machine depending on the tool load.

Keywords: hydraulic blow device, hydrodrummer, working liquid, energy of single blow, frequency of blows, a loading of the tool, automatic control.

References

  1. Pat. 2361996 Russian Federation, MPK E 21 V 1/26 Hydraulic device of blow shock action / Ushakov L.S., Kantovich L.I., Fabrichniy D.Y., Lazutkin S.L.; applicant and patent holder of Public Educational Institution of Higher Professional Training Orlovsky GTU. – №. 2008113585/03; statement 07.04.09; it is published 20.07.2009; Bulletin – №. 20. – 1 p.: ill.
  2. Pat. 2456424 Russian Federation, MPK E 21 V 1/26 Hydraulic device of blow shock action / Kantovich L.I., Fabrichny D.Y., Lazutkin S.L., Fabrichniy N.D., Ushakov L.S.; applicant and patent holder of Public Educational Institution of Higher Professional Training Orlovsky GTU. – №. 2010150244/03; statement 07. 12.2010; it is published 20.07.2012; Bulletin – №. 20. – 1 p.: ill.

«Engineering industry and life safety» №4 (18), 2013. Pages: 72-76

Download full text:Fabrichniy D.Y., Tolengutova M. M., Fabrichniy Y.F. Automatic adjustment systems for hydraulic impact machines according to the tool load

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Lazutkin Sergey Leonidovich – Ph.D., Murom Institute of Vladimir State University, Murom, Russia. E-mail: lazutkin62@mail.ru
Lazutkina Natalia Aleksandrovna – Ph.D., Murom Institute of Vladimir State University, Murom, Russia. E-mail: lazutkina1963@mail.ru

5
Jul

Lazutkin S.L., Lazutkina N.A. The research of the static-dynamic well formation process

The research of the static-dynamic well formation process

Lazutkin S.L., Lazutkina N.A.

The paper deals with the study of the interaction of the working body with the ground in order to achieve the borehole wall maximum density, which can be provided by a certain ratio of the actual speed of axial feed and the impact device output parameters. The idea of the scientific research is that after the impact the ground brought into the state of partial thixotropic softening should be statically deformed. This leads to the fact that the total plastic deformation range increases significantly, which will result in the ground density growth. Since the thixotropic softening process is limited in time and space, it is necessary to determine the relationship of the machine input parameters and rational values of the static effects, showing the ratio of static and dynamic soil loading. The results of laboratory experiments on the well formation modes study are given.

Keywords: the drainage cavity in the ground, soil density, static-dynamic interaction, indicator static influence.

References

  1. Lazutkin S.L., Lazutkina N.A. Characteristics of static and dynamic process of formation of molehills // Engineering industry and life safety, 2012, № 1. − P.68-72.
  2. Malyasov V.V. Investigation of the parameters of the system start-up power converter transport vehicles // Engineering industry and life safety, 2008, № 5. − P.227-229.
  3. Lazutkin S.L., Lazutkina N.A. Calculation of pressure on the surface of contact of the tool with the material // Engineering industry and life safety, 2010, № 7. − P.114-119.
  4. Lazutkina N.A., Lazutkin S.L. To a question of a design procedure of traction and high-speed characteristics of pneumowheel mountain cars with adjustable hydrovolume drive // Engineering industry and life safety, 2011, № 2. – P. 51-54.
  5. Lazutkin S.L., Lazutkin A.G., Lazutkina N.A. Mathematical model of the load on the executive body of the machine pulsed // Engineering industry and life safety, 2009, № 6. − P.121-124.

«Engineering industry and life safety» №4 (18), 2013. Pages: 67-71

Download full text:Lazutkin S.L., Lazutkina N.A. The research of the static-dynamic well formation process

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Lazutkin Sergey Leonidovich – Ph.D., Murom Institute of Vladimir State University, Murom, Russia. E-mail: lazutkin62@mail.ru
Lazutkina Natalia Aleksandrovna – Ph.D., Murom Institute of Vladimir State University, Murom, Russia. E-mail: lazutkina1963@mail.ru

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