Email this article Various flow channel constructive elements effect on vibroacoustic characteristics of electrohydraulic control devices
- Authors: Berestovitskij E.1, Gladilin Y.2, Solovyev M.3
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Affiliations:
- Concern Avrora Scientific and Production Association JSC.
- Concern Avrora Sci-entific and Production Association JSC
- Concern Avrora Scientific and Production Association JSC
- Issue: Vol 4, No 3 (2018): 16.09.2018
- Pages: 6-15
- Section: Articles
- Published: 16.09.2018
- URL: https://dynvibro.ru/dynvibro/article/view/6515
- DOI: https://doi.org/10.18287/2409-4579-2018-4-3-6-15
- ID: 6515
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Abstract
In this article author discuss investigation of control valve flow channel with regulating element equipped with meshed screens set on it. The issue provides engineers and scientist with the results of a series of experiments without using of flow noise muffler at the control system scheme.
The main idea is to obtain technical information on how to exclude the flow noise muffler from the control system's scheme. Such kind of knowledge is considered to be necessary for the following application in the feed water flow control systems meeting modern and next generation requirements of regulatory documents on vibration and flow noise characteristics.
It is discussed the research of the feed water control valve at the test bench mostly. There were designed a several types of scheme for flow channel construction with different meshed screens and they arrangements into it, flow restriction circuits, cartridge constructions etc. It was chosen the two-step pressure reducing scheme of flow channel after the theoretical analysis, which then was produced and fitted with meshed screens at both steps.
It is said in the article that the results of discovery bring out the useless of perforated rubber elements implementation into the flow channel construction. They do not make any effect on the acoustic field of control valve. Besides, application of elastic elements makes difficulties for the manufacturing of flow channel and considered as low reliable.
The issue provides reader with the information on flow noise level and its excess over the established level by the control valve under study. It is shown how to refine the flow channel construction with regulating element up to the modern and next generation requirements. Also, the proposal of how to exclude flow noise muffler from the schemes of control systems are listed.
About the authors
Erlen Berestovitskij
Concern Avrora Scientific and Production Association JSC.
Author for correspondence.
Email: berest40@mail.ru
Doctor of technical science, chief acoustic
Russian FederationYuri Gladilin
Concern Avrora Sci-entific and Production Association JSC
Email: gladil_01@mail.ru
Design engineer, head of acoustic laboratory
Russian FederationMichael Solovyev
Concern Avrora Scientific and Production Association JSC
Email: lightwarriorms@mail.ru
Engineer, design engineer
Russian FederationReferences
- Berestovitskiy, E.G., Gladilin, Y.A., Golovanov, V.I. and Sarafanov I.A. (2008), Snijenie vibratsiy i shuma gidravlicheskih priborov sistem upravleniya tehnicheskimi sredstvami , Asterion, SPb, Russia, 316 p.
- Blagov, E.E. and Ivnitskiy, B.J. (1990), Drosselno-reguliruyushaya armatura TES i AES , Energoatomizdat, Moscow, Russia, 288 p.
- Berestovitskiy, E.G., Kryuchkov, А.N., Kizilov, P.I. and Pyalov, N.V. (2015), “Matematicheskoe modelirovanie protochnykh chastej organov regulirovaniya SАU TS s tsel'yu opredeleniya konstruktsii optimal'noj po urovnyu vozbuzhdaemogo gidrodinamicheskogo shuma”, Sistemy upravleniya i obrabotki informatsii: nauchn.-tekhn sb. , АO «Kontsern «NPO «Аvrora», SPb, Russia, no. 30, pp. 76-81.
- Munin, А.G. and Naumenko, Z.N. (1970), “Zvukovaya moshhnost', sozdavaemaya uchastkami dozvukovoj strui” , Uchenye zapiski TsАGI , no. 5, vol. 1, pp. 29 - 38.
- Lighthill, M.J. (1951), “On sound generated aerodynamically: I. General theory”, Proceedings of the Royal Society of London, vol. 211, pp. 564-587.
- Baumann, H.D. (1987), “A method for predicting aerodynamic valve noise based on modified free jet noise theories”, ASME Paper 87 – WA/NCA-7, 28, December, 1987.
- Birkgof, G. and Sarantonello, E. (1964), Strui, sledy i kaverny , Mir, Moscow, Russia, 467 p.
- Gurevich, M.I. (1979), Teoriya struj ideal'noj zhidkosti , Nauka, Gl. red. fiz.-mat. Lit., Moscow, Russia, 713 p.
- Besshumnaya rabota. Resheniya Fisher dlya ustraneniya shumov , available at: http://www.fishvalve.nt-rt.ru (Accessed 15 March 2017).
- Ginevsky, A.S, Vlasov, Y.V. and Karavosov, R.K., Acoustic control of turbulent jets, Springer, 2004, 235 p. doi: 10.1007/978-3-540-39914-8.
- Jeonglae, K. (2012), Adjoint-based control of turbulent jet noise, Ph.D, Thesis, University of Illinois at Urbana-Champaign, USA.
- Karabasov S.A. (2010), Understanding jet noise, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol. 368, issue 1924, pp. 3593-3608, DOI: 10/1098/rsta.2010.0086.
- Afsar, M.Z., Karabasov, S.A., Hynes, T.P., Dowling, A.P. and Blanco, E. (2007), Jet noise modelling using an acoustic analogy, West-East High Speed Flow Field Conference, Moscow, Russia, 2007.
- Papamoschou, D., Rostamimonjezi, S. (2012), Modeling of noise reduction for turbulent jets with induced asymmetry, AIAA-2012-2158, 18th AIAA/CEAS Aeroacoustics Conference,Colorado Springs, CO, June 2012.
- Solomon, Brad K. (2012), Methods for identifying acoustic emission from the front face of a small piezoelectric blower, Ph.D, Brigham Young University, 2012.
- Wei, L., Zhu, G., Qian, J., Fei, Y. and Jin, Z. (2015), Numerical simulation of flow-induced noise in high pressure reducing valve, PLos ONE 10(6): e0129050. doi: 10.1377/journal.pone.0129050.
- Jenvey, P.L. (1975), “Gas pressure reducing valve noise”, Journal of Sound and Vibration, vol. 41, issue 4, pp. 506-509.
- Amini, A., Owen, I. (1995), “A practical solution to the problem of noise and vibration in a pressure-reducing valve”, Experimental thermal and fluid science, no. 10, pp. 136-141.
- Vincent, P., Shervin, T. N., Feng, L. and Papamoschou, D. (2012), “Noise reduction of a turbofan bleed valve”, AIAA 2012-0681, 50th AIAA/CEAS Aerospace Sciences Meeting, Nashville, Tennessee, January 2012.
- “Metodika controlya gidrodinamicheskogo shuma sudovogo oborudovaniya (MKGShO-96K)” , CNII im. Akad. A.N. Krilova, St. Petersburg, Russia, no. 42441, 2005.
- “Metodika controlya i normirovaniya vibroshumovih characteristic sudovih mashin, oborudovaniya, I armatury na zavodscih stendah (MKShS-81)” , CNII im. Akad. A.N. Krilova, no. С-13/0807, Leningrad, Russia, 1985.
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