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Статті в журналах з теми "Wind tunnel noise"
IIDA, Akiyoshi. "Low Noise Wind Tunnel." Journal of the Society of Mechanical Engineers 108, no. 1042 (2005): 726–27. http://dx.doi.org/10.1299/jsmemag.108.1042_726.
Повний текст джерелаMAEDA, Tatsuo, and Yoshihiko KONDO. "RTRI's Large-scale Low-noise Wind Tunnel and Wind Tunnel Tests." Quarterly Report of RTRI 42, no. 2 (2001): 65–70. http://dx.doi.org/10.2219/rtriqr.42.65.
Повний текст джерелаBaumeister, K. J. "Reverberation Effects on Directionality and Response of Stationary Monopole and Dipole Sources in a Wind Tunnel." Journal of Vibration and Acoustics 108, no. 1 (January 1, 1986): 82–90. http://dx.doi.org/10.1115/1.3269307.
Повний текст джерелаMigliore, Paul, and Stefan Oerlemans. "Wind Tunnel Aeroacoustic Tests of Six Airfoils for Use on Small Wind Turbines*." Journal of Solar Energy Engineering 126, no. 4 (November 1, 2004): 974–85. http://dx.doi.org/10.1115/1.1790535.
Повний текст джерелаChu, Yijing, Sipei Zhao, Longbiao He, and Feng Niu. "Wind noise suppression in filtered-x least mean squares-based active noise control systems." Journal of the Acoustical Society of America 152, no. 6 (December 2022): 3340–45. http://dx.doi.org/10.1121/10.0016443.
Повний текст джерелаLi, Zhengnong, and Jianan Li. "Numerical Simulation Study of Aerodynamic Noise in High-Rise Buildings." Applied Sciences 12, no. 19 (September 21, 2022): 9446. http://dx.doi.org/10.3390/app12199446.
Повний текст джерелаLi, Hanqin, Bin Fang, and Yongming Zhang. "Research on an Anechoic Wind Tunnel in the Design Phase by Numerical Simulation." Journal of Physics: Conference Series 2173, no. 1 (January 1, 2022): 012006. http://dx.doi.org/10.1088/1742-6596/2173/1/012006.
Повний текст джерелаChen, Jiming, Shenghao Wu, Zhenhua Chen, Jinlei Lyu, and Haitao Pei. "Experimental Research on Noise Reduction for Continuous Transonic Wind Tunnel Loop." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 38, no. 4 (August 2020): 855–61. http://dx.doi.org/10.1051/jnwpu/20203840855.
Повний текст джерелаNachaiyaphum, Kwanjai, and Chonlatee Photong. "An electric power generation improvement for small Savonius wind turbines under low-speed wind." Indonesian Journal of Electrical Engineering and Computer Science 29, no. 2 (February 1, 2023): 618. http://dx.doi.org/10.11591/ijeecs.v29.i2.pp618-625.
Повний текст джерелаIDO, Atsushi. "RTRI's Large-Scale Low-Noise Wind Tunnel." Journal of the Visualization Society of Japan 32, no. 124 (2012): 26–31. http://dx.doi.org/10.3154/jvs.32.124_26.
Повний текст джерелаДисертації з теми "Wind tunnel noise"
Stoker, Robert W. "A method to separate wind-tunnel background noise and wind noise from interior measurements." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/12032.
Повний текст джерелаGrant, Justin Alexander. "Far-field noise from a rotor in a wind tunnel." Thesis, Florida Atlantic University, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10154927.
Повний текст джерелаThis project is intended to demonstrate the current state of knowledge in the prediction of the tonal and broadband noise radiation from a Sevik rotor. The rotor measurements were made at the Virginia Tech Stability Wind Tunnel. Details of the rotor noise and flow measurements were presented by Wisda et al(2014) and Murray et al(2015) respectively. This study presents predictions based on an approach detailed by Glegg et al(2015) for the broadband noise generated by a rotor in an inhomogeneous flow, and compares them to measured noise radiated from the rotor at prescribed observer locations. Discrepancies between the measurements and predictions led to comprehensive study of the flow in the wind tunnel and the discovery of a vortex upstream of the rotor at low advance ratios. The study presents results of RANS simulations. The static pressure and velocity profile in the domain near the rotor’s tip gap region were compared to measurements obtained from a pressure port array and a PIV visualization of the rotor in the wind tunnel
Griffith, Dwaine O. "Turbulence measurements and noise generation in a transonic cryogenic wind tunnel." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/45979.
Повний текст джерелаA high-frequency combination probe was used to measure dynamic flow quality in the test section of the NASA Langley 0.3-m Transonic Cryogenic Tunnel. The probe measures fluctuating stagnation (total) temperature and pressure, static pressure, and flow angles in two orthogonal planes. Simultaneous unsteady temperature and pressure measurements were also made in the settling chamber of the tunnel. The data show that the stagnation temperature fluctuations remain constant, and the stagnation pressure fluctuations increase by a factor of two, as the flow accelerates from the settling chamber to the test section. In the test section, the maximum rms value of the normalized fluctuating velocity is 0.7 percent. Correlation coefficients l failed to show vortlcity, entropy, or sound as the dominant mode of turbulence in the tunnel.
At certain tunnel operating conditions, periodic disturbances are seen in the data taken in the test section. A possible cause for the disturbances is found to be acoustic coupling of the test section and plenum chamber via the perforated side walls in the tunnel. The experimental data agree well with the acoustic coupling theory.
Master of Science
Owens, David Elliot. "Wall Features of Wing-Body Junctions: Towards Noise Reduction." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23717.
Повний текст джерелаMaster of Science
Schilden, Thomas [Verfasser]. "Numerical Analysis of Wind Tunnel Noise Decomposition Methods in Supersonic Flow / Thomas Schilden." München : Verlag Dr. Hut, 2019. http://d-nb.info/1181514126/34.
Повний текст джерелаRemillieux, Marcel Christophe. "Aeroacoustic Study of a Model-Scale Landing Gear in a Semi-Anechoic Wind Tunnel." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/31674.
Повний текст джерелаMaster of Science
Spalt, Taylor B. "Background Noise Reduction in Wind Tunnels using Adaptive Noise Cancellation and Cepstral Echo Removal Techniques for Microphone Array Applications." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/34247.
Повний текст джерелаMaster of Science
Wisda, David Martin. "Noise from a Rotor Ingesting Inhomogeneous Turbulence." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/52986.
Повний текст джерелаMaster of Science
Yakhina, Gyuzel. "Experimental study of the tonal trailing-edge noise generated by low-reynolds number airfoils and comparison with numerical simulations." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEC008/document.
Повний текст джерелаThe tonal trailing-edge noise generated by transitional airfoils is a topic of interest because of its wide area of applications. One of them is the Unmanned Air Vehicles operated at low Reynolds numbers which are widely used in our everyday life and have a lot of perspectives in future. The tonal noise reduction will increase the survivability and effectiveness of the devices in military field. Moreover it will enlarge the range of civil use and minimize noise pollution. The effective noise reduction is needed and therefore the complete understanding of the tonal noise generation process is necessary. Despite the fact that investigation of the trailing-edge noise was started since the seventies there are still a lot of details which should be explained. The present work is dedicated to the experimental and analytical investigation of the tonal noise and is a part of the collaboration project between Ecole Centrale de Lyon and Embry-Riddle Aerospace University. The aim is to conduct an exhaustive experimental characterization of the acoustic and aerodynamic parameters of the trailing-edge noise and to produce a data base which can be used for further numerical simulations conducted at Embry-Riddle Aerospace University. A symmetric NACA-0012 airfoil and a slightly cambered SD7003 airfoil at moderate angles of attack (varied from -10° à 10°) were tested in an open-jet anechoic wind tunnel of Ecole Centrale de Lyon at moderate Reynolds numbers (0.6x105 < Rec < 2.6x105). Measurements of the wall pressure and far-field acoustic pressure in different configurations allowed to observe the ladder-type structure of the noise signature, to determine which side produced tones and to distinguish the role of the acoustic feedback loop. Additional post-processing techniques such as time-frequency analysis showed the existence of several regimes (switching regime between two tones, one-tone regime and multiple-tones regime) of noise emission. The bicoherence analysis showed that there are non-linear relationships between tones. The investigation of the role of the separation area by hot-wire anemometry and flow visualization techniques showed that the separation bubble is a necessary but not a suficient condition for the noise generation. Moreover the location of the bubble is also important and should be close enough to the trailing edge. Furthermore the linear stability analysis of accompanying numerical simulation results showed that the Tollmien-Schlichting waves transform to the Kelvin-Helmholtz waves at the separation area. An analytical prediction of the tone levels in the far-field was done using Amiet's model based on the assumption of perfectly correlated sources along the span. The wall-pressure measurements close to the trailing edge were used as an input data. The comparisons of the predicted levels and measured ones showed a good agreement. After analysis of all results the following description of the tonal noise mechanism is proposed. At some initial point of the airfoil the Tollmien-Schlichting instabilities start. They are traveling downstream and continued to Kelvin-Helmholtz waves along the shear-layer of the separation bubble. These waves reach the trailing edge, scatter from it as acoustic waves, which move upstream. The acoustic waves amplify the boundary layer instabilities at some frequencies for which the phases of both motions match and creates the feedback loop needed to sustain the process
Lemoine, Benoît. "Etude aéroacoustique de configurations génériques de dispositifs hypersustentateurs : approches analytique et expérimentale." Phd thesis, Ecole Centrale de Lyon, 2013. http://tel.archives-ouvertes.fr/tel-00965211.
Повний текст джерелаКниги з теми "Wind tunnel noise"
Hoad, Danny R. Rotor performance characteristics from an aeroacoustics helicopter wind-tunnel test program. Hampton, Va: Langley Research Center, 1986.
Знайти повний текст джерелаAbrahamson, A. Louis. An evaluation of proposed acoustic treatments for the NASA LaRC 4 x 7 meter wind tunnel. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1985.
Знайти повний текст джерелаSoderman, Paul T. J-85 jet engine noise measured in the ONERA S1 Wind Tunnel and extrapolated to far field. Moffett Field, Calif: Ames Research Center, 1991.
Знайти повний текст джерелаSoderman, Paul T. J-85 jet engine noise measured in the ONERA S1 wind tunnel and extrapolated to far field. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1991.
Знайти повний текст джерелаSoderman, Paul T. J-85 jet engine noise measured in the ONERA S1 wind tunnel and extrapolated to far field. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1991.
Знайти повний текст джерелаMartin, R. M. Acoustic measurements from a rotor blade-vortex interaction noise experiment in the German-Dutch Wind Tunnel (DNW). Hampton, Va: Langley Research Center, 1988.
Знайти повний текст джерелаSoderman, Paul T. Sources and levels of background noise in the NASA Ames 40- by 80-foot wind tunnel: A status report. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1988.
Знайти повний текст джерелаBlock, P. J. W. Directory and trends of noise generated by a propeller in a wake. Hampton, Va: Langley Research Center, 1986.
Знайти повний текст джерелаFears, Scott P. Low-speed wind-tunnel investigation of a porous forebody and nose strakes for yaw control of a multirole fighter aircraft. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1995.
Знайти повний текст джерелаFears, Scott P. Low-speed wind-tunnel investigation of a porous forebody and nose strakes for yaw control of a multirole fighter aircraft. Hampton, Va: Langley Research Center, 1995.
Знайти повний текст джерелаЧастини книг з теми "Wind tunnel noise"
Yinzhi, He, Zhigang Yang, and Yigang Wang. "Wind Noise Testing at Shanghai Automotive Wind Tunnel Center." In Lecture Notes in Electrical Engineering, 571–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33832-8_44.
Повний текст джерелаHe, Yinzhi, Z. Yang, and Y. Wang. "Wind noise testing at the full scale aeroacoustic wind tunnel of Shanghai Automotive Wind Tunnel Center." In Proceedings, 1369–78. Wiesbaden: Springer Fachmedien Wiesbaden, 2014. http://dx.doi.org/10.1007/978-3-658-05130-3_97.
Повний текст джерелаWang, Jian, Wenjiang Wang, and Kangle Xu. "Acoustical Wind Tunnel Studies of Landing Gear Noise." In Fluid-Structure-Sound Interactions and Control, 69–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48868-3_11.
Повний текст джерелаUda, T., N. Yamazaki, T. Kitagawa, K. Nagakura, and Y. Wakabayashi. "Estimation of Aerodynamic Bogie Noise Through Field and Wind Tunnel Tests." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 377–87. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73411-8_28.
Повний текст джерелаDeng, Hai, Yigang Wang, Qiliang Li, Zhe Shen, Yang Gao, and Jin Lisheng. "Wind Tunnel Tests on Aerodynamic Noise from the Head Car of a High-speed Train." In Lecture Notes in Electrical Engineering, 163–76. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5429-9_12.
Повний текст джерелаKangle, Xu, and Wang Jian. "The Spectrum and Directivity Extrapolation Method of an Acoustic Wind Tunnel Test for a Scaled Airframe Noise." In Fluid-Structure-Sound Interactions and Control, 77–81. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48868-3_12.
Повний текст джерелаSawamura, Yoichi, Toki Uda, Toshiki Kitagawa, Hiroshi Yokoyama, and Akiyoshi Iida. "Measurement and Reduction of the Aerodynamic Bogie Noise Generated by High-Speed Trains in Terms of Wind Tunnel Testing." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 73–80. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-70289-2_5.
Повний текст джерелаPate, Samuel R. "Dominance of “Noise” on Boundary Layer Transition in Conventional Wind Tunnels — a Place for the “Quiet” Ballistic Range in Future Studies." In Advances in Soil Science, 77–87. New York, NY: Springer New York, 1990. http://dx.doi.org/10.1007/978-1-4612-3430-2_11.
Повний текст джерелаYokoi, Yoshifumi. "Experimental Study of Internal Flow Noise Measurement by Use of a Suction Type Low Noise Wind Tunnel." In Wind Tunnel Designs and Their Diverse Engineering Applications. InTech, 2013. http://dx.doi.org/10.5772/53828.
Повний текст джерелаMedved, B., and D. Prica. "An Experimental Means of Reducing the Overall Aerodynamic Noise Level in a 0.25 m Transonic Wind Tunnel Test Section." In Zeitschrift für Angewandte Mathematik und Mechanik Volume 66, Number 4, 243–45. De Gruyter, 1986. http://dx.doi.org/10.1515/9783112550922-107.
Повний текст джерелаТези доповідей конференцій з теми "Wind tunnel noise"
Baudet, Guillaume. "Wind Noise Source Identification by Inverse Method in Wind Tunnel Test." In Noise and Vibration Conference and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2017. http://dx.doi.org/10.4271/2017-01-1784.
Повний текст джерелаBarajas-Olalde, C., and A. Jeffreys. "Seismic Wind Noise Experiments Using a Portable Wind Tunnel." In 76th EAGE Conference and Exhibition 2014. Netherlands: EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20141583.
Повний текст джерелаChen, Kuo-Huey, James Johnson, Urs Dietschi, and Bahram Khalighi. "Automotive Mirror Wind Noise Simulations and Wind Tunnel Measurements." In 14th AIAA/CEAS Aeroacoustics Conference (29th AIAA Aeroacoustics Conference). Reston, Virigina: American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-2906.
Повний текст джерелаHofmann, Lorenz M., Djamel Bouzit, Keith W. Murawski, Keng D. Hsueh, Miles Janicki, and Michael P. Haffey. "Artificial Reduction of Wind Tunnel Background Noise in Vehicle Wind Noise Testing." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1998. http://dx.doi.org/10.4271/980390.
Повний текст джерелаOgata, N., N. Iida, and Y. Fujii. "Nissan's Low-Noise Full-Scale Wind Tunnel." In SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1987. http://dx.doi.org/10.4271/870250.
Повний текст джерелаStoker, R., K. Ahuja, and J. Hsu. "Separation of wind-tunnel background noise and wind noise from automobile interior measurements." In Aeroacoustics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1996. http://dx.doi.org/10.2514/6.1996-1763.
Повний текст джерелаThompson, Mark, Simon Watkins, and Jongman Kim. "Wind-Tunnel and On-Road Wind Noise: Comparison and Replication." In SAE 2013 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2013. http://dx.doi.org/10.4271/2013-01-1255.
Повний текст джерелаRoditcheva, Olga, Lennart Carl Lofdahl, Simone Sebben, Pär Harling cEng, and Holger Bernhardsson. "On the Possibilities and Limitations of Wind Noise Testing in the Aerodynamical Wind Tunnel at Volvo Cars." In 9th International Styrian Noise, Vibration & Harshness Congress: The European Automotive Noise Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2016. http://dx.doi.org/10.4271/2016-01-1807.
Повний текст джерелаSimpson, M., G. Mathur, B. Tran, C. Chin, J. Lee, and M. Sundquist. "Supersonic wind tunnel tests of panel noise transmission." In 5th AIAA/CEAS Aeroacoustics Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1999. http://dx.doi.org/10.2514/6.1999-1962.
Повний текст джерелаDrobietz, Roger, and Ingo Borchers. "Generic Wind Tunnel Study on Side Edge Noise." In 12th AIAA/CEAS Aeroacoustics Conference (27th AIAA Aeroacoustics Conference). Reston, Virigina: American Institute of Aeronautics and Astronautics, 2006. http://dx.doi.org/10.2514/6.2006-2509.
Повний текст джерелаЗвіти організацій з теми "Wind tunnel noise"
Grossir, Guillaume. On the design of quiet hypersonic wind tunnels. Von Karman Institute for Fluid Dynamics, December 2020. http://dx.doi.org/10.35294/tm57.
Повний текст джерелаTuchiya, Masaki, Tsuyoshi Yamashita, Niels V. B\atgholm, Toshikazu Satoh, and Masateru Kimura. Aero-Acoustic Noise Measurement of Vehicle Using Surface Microphone in Wind Tunnel. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0170.
Повний текст джерела