Academic literature on the topic 'Propeller noise'

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Journal articles on the topic "Propeller noise"

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Sun, Jianwei, Koichi Yonezawa, Eiji Shima, and Hao Liu. "Experimental investigations on aerodynamic and psychoacoustic characteristics of three-blade looprop propeller." Journal of the Acoustical Society of America 154, no. 4_supplement (2023): A144. http://dx.doi.org/10.1121/10.0023064.

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Aeroacoustic noise in multiple rotor drones has been increasingly recognized as a crucial issue. This study focuses on addressing this challenge by introducing a novel low-noise looprop propeller design with three blades. Unlike traditional propellers, the looprop propeller utilizes three closed-loops to generate thrust. Through comprehensive experimental investigations conducted in an anechoic chamber using a hover stand test, we conducted an integrated study of the propeller's aerodynamic, aeroacoustic, and psychoacoustic characteristics. The results demonstrate that the three-blade looprop
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Jiang, Hanbo, Teng Zhou, Jingwen Guo, and Wangqiao Chen. "Numerical investigation of the blocking effect of a short duct on propeller noise." Journal of the Acoustical Society of America 153, no. 5 (2023): 2575. http://dx.doi.org/10.1121/10.0017975.

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Electric vertical and takeoff/landing vehicles for urban aerial mobility have attracted considerable attention in recent years. Some of these vehicles are equipped with ducted propellers to improve power efficiency, but the duct may also affect propeller noise generation and radiation. This work presents thorough numerical investigations to assess the importance of a short duct on propeller noise radiation. An analytical model is employed to predict noise emission from an isolated propeller, and the boundary element method is adopted to account for acoustic scattering effects. Additionally, an
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Mohd Zaki Bahrom, Bukhari Manshoor, Badrul Aisham Md Zain, et al. "Thrust Force for Drone Propeller with Normal and Serrated Trailing Edge." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 101, no. 1 (2023): 160–73. http://dx.doi.org/10.37934/arfmts.101.1.160173.

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The drone becomes more recognized in the civilian sector; the drone's popularity becomes increases as time goes by. Nevertheless, despite the excitement of flying drones, several types of issues occur caused by the drone. In some circumstances, the aeroacoustics noise is a big concern, and quiet drone propellers would be more environmentally friendly to the surrounding area. Moreover, the noise from the drone can be a nuisance for the surrounding population and animals. Therefore, a solution needs to be proposed to reduce the sound level produced by the drone so that drone can be piloted in a
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Wei, Wei, Yuanqing Ma, Shiyi Wei, Dongsheng Wang, Meng Guo, and Qingdong Yan. "Analysis and Evaluation of Aerodynamic Noise Characteristics of Toroidal Propeller." Drones 8, no. 12 (2024): 753. https://doi.org/10.3390/drones8120753.

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Toroidal propellers, a new type of drone propellers capable of significantly reducing noise, offer new possibilities for future low-altitude flying platforms. In this study, a numerical model was established to analyze the aerodynamic noise of the toroidal propeller under normal atmospheric conditions. The aerodynamic calculations for the toroidal and benchmark propellers were performed to obtain noise source information using a transient large eddy simulation. The hybrid computational aeroacoustic method was employed to calculate the noise spectrum at different speeds and locations. Moreover,
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Schmähl, Michael, and Mirko Hornung. "Optimization of propellers under consideration of aeroacoustic and aerodynamic goals and installation effects." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A111. http://dx.doi.org/10.1121/10.0026985.

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Advanced Air Mobility (AAM) vehicles like air taxis and cargo unmanned aerial vehicles (UAVs) operate close to urban areas. Therefore, it is necessary to keep the noise footprint of such aerial vehicles at a minimum to gain societal acceptance for AAM vehicle operations. Cargo UAVs are typically highly integrated in terms of functions leading to a high extent of aerodynamic interactions between propellers and the airframe. As a result of these installation effects, unsteady loading noise can become the dominant part of the aerial vehicle noise emissions which leads to a situation, where classi
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Bushkovsky, V. A., and Yu A. Yegorov. "Blade number effect upon high-frequency marine propulsor noise: model test data." Transactions of the Krylov State Research Centre 4, no. 402 (2022): 41–48. http://dx.doi.org/10.24937/2542-2324-2022-4-402-41-48.

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Object and purpose of research. This paper discusses blade systems of propellers and water jets. The purpose of the study was to outline the ways to mitigation of high-frequency non-cavitation noise of marine propulsors. Subject matter and methods. The study analyses Russian and foreign publications on aero- and hydroacoustics of propellers and foil systems. It also determines the parameters of turbulent boundary layer on propeller blades with respect to its effect upon propeller noise radiation. Noise assessment methods obtained for aerodynamics of foil systems have been applied to marine pro
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Ebrahimi, Abouzar, Mohammad Saeed Seif, and Ali Nouri-Borujerdi. "Hydro-Acoustic and Hydrodynamic Optimization of a Marine Propeller Using Genetic Algorithm, Boundary Element Method, and FW-H Equations." Journal of Marine Science and Engineering 7, no. 9 (2019): 321. http://dx.doi.org/10.3390/jmse7090321.

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Noise generated by ships is one of the most significant noises in seas, and the propeller has a significant impact on the noise of ships, which reducing it can significantly lower the noise of vessels. In this study, a genetic algorithm was used to optimize the hydro-acoustic and hydrodynamic performance of propellers. The main objectives of this optimization were to reduce the propeller noise and increase its hydrodynamic efficiency. Modifying the propeller geometry is one of the most effective methods for optimizing a propeller performance. One of the numerical methods for calculating propel
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Yao, Hua-Dong, Zhongjie Huang, Lars Davidson, Jiqiang Niu, and Zheng-Wei Chen. "Blade-Tip Vortex Noise Mitigation Traded-Off against Aerodynamic Design for Propellers of Future Electric Aircraft." Aerospace 9, no. 12 (2022): 825. http://dx.doi.org/10.3390/aerospace9120825.

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We study noise generation at the blade tips of propellers designed for future electric aircraft propulsion and, furthermore, analyze the interrelationship between noise mitigation and aerodynamics improvement in terms of propeller geometric designs. Classical propellers with three or six blades and a conceptual propeller with three joined dual-blades are compared to understand the effects of blade tip vortices on the noise generation and aerodynamics. The dual blade of the conceptual propeller is constructed by joining the tips of two sub-blades. These propellers are designed to operate under
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Sun, Jianwei, Koichi Yonezawa, Eiji Shima, and Hao Liu. "Integrated Evaluation of the Aeroacoustics and Psychoacoustics of a Single Propeller." International Journal of Environmental Research and Public Health 20, no. 3 (2023): 1955. http://dx.doi.org/10.3390/ijerph20031955.

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Aeroacoustic noise in multiple rotor drones has been increasingly recognized as a crucial issue, while noise reduction is normally associated with a trade-off between aerodynamic performance and sound suppression as well as sound quality improvement. Here, we propose an integrated methodology to evaluate both aeroacoustics and psychoacoustics of a single propeller. For a loop-type propeller, an experimental investigation was conducted in association with its aerodynamic and acoustic characteristics via a hover stand test in an anechoic chamber; the psychoacoustic performance was then examined
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M.R., Bagheri, Seif M.S., and Mehdigholi H. "Numerical Simulation of Underwater Propeller Noise." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 4, no. 1 (2014): 1–6. https://doi.org/10.36842/jomase.v4i1.514.

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Noise reduction and control is an important problem in the performance of underwater acoustic systems and in the habitability of the passenger ship for crew and passenger. Furthermore, sound generated by a propeller is critical in underwater detection and it is often related to the survivability of the vessel. This paper presents a numerical study on noises of the underwater propeller for different performance conditions. The non-cavitating and blade sheet cavitation noise generated by an underwater propeller is analyzed numerically in this study. The flow field is analyzed with finite volume
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Dissertations / Theses on the topic "Propeller noise"

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Prentice, Philip Ridley. "Asymptotic waveforms in propeller acoustics." Thesis, University of Cambridge, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282923.

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Parry, Anthony Brian. "Theoretical prediction of counter-rotating propeller noise." Thesis, University of Leeds, 1988. http://etheses.whiterose.ac.uk/319/.

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A theoretical prediction scheme has been developed for the tone noise generated by a counter-rotation propeller. We start by deriving formulae for the harmonic components of the far acoustic field generated by the thickness and steady loading noise sources. Excellent agreement is shown between theory and measurements. Asymptotic approximation techniques are described which enable us to simplify considerably the complex radiation formulae, whilst retaining all of their important characteristics, and thus save, typically, 95% of computer processing time. Next we derive formulae for the radiated
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Li, K. M. "Noise of high speed propellers : A prediction method." Thesis, University of Cambridge, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384542.

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Matusiak, Jerzy. "Pressure and noise induced by a cavitating marine screw propeller." Espoo : Valtion teknillinen tutkimuskeskus, 1992. http://catalog.hathitrust.org/api/volumes/oclc/25913793.html.

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Duong, Hien Duc Carleton University Dissertation Engineering Aeronautical. "Measurements of unsteady propeller noise induced on a model fuselage." Ottawa, 1989.

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Johansson, Sven. "Active Control of Propeller-Induced Noise in Aircraft : Algorithms & Methods." Doctoral thesis, Karlskrona, Ronneby : Blekinge Institute of Technology, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-00171.

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In the last decade acoustic noise has become more and more regarded as a problem. In cars, boats, trains and aircraft, low-frequency noise reduces comfort. Lightweight materials and more powerful engines are used in high-speed vehicles, resulting in a general increase in interior noise levels. Low-frequency noise is annoying and during periods of long exposure it causes fatigue and discomfort. The masking effect which low-frequency noise has on speech reduces speech intelligibility. Low-frequency noise is sought to be attenuated in a wide range of applications in order to improve comfort and s
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Thomas, Robert Dean. "The active control of the transmission of sound." Thesis, University of Southampton, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316440.

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Barros, Alexandre Bernardes de. "Análise de desempenho e ruído de hélices de mínima perda de energia." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18148/tde-13012011-130409/.

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Revisa os métodos para cálculo de desempenho e ruído de hélices. Apresenta um método para determinação de desempenho de hélices com mínima perda de energia usando a teoria dos vórtices. Faz uso das tabelas de Goldstein que criam automaticamente a geometria da hélice através do acesso a um banco de dados aerodinâmico. Avalia o ruído harmônico com o método no domínio da freqüência, utilizando os valores de desempenho e geometria previamente calculados. Valida o método de desempenho e ruído através da comparação com dados experimentais. Apresenta um estudo de caso para desempenho e ruído de hélic
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Lim, Teck-Bin. "A unified computational fluid dynamics-aeroacoustics analysis of high speed propeller." Diss., Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/12064.

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Moulton, Carey Lloyd. "The Near Field Acoustics of the Active Noise Control of a Model Propeller." NCSU, 2000. http://www.lib.ncsu.edu/theses/available/etd-20000726-233230.

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<p>The Near field properties of a 6" radius model propeller, and the Active Noise Control(ANC) of the Blade Passing Tone (BPT) have been studied. The study has been careful toidentify and separate the effects of the hydrodynamic near field and the geometric near field. The near and far field radiation regions of a model propeller were consideredseparately. Firstly to determine if far field control affects the near field noise levels and secondly to determine how the far field noise levels are affected by near field control. It has been found that active noise control (ANC) of the propeller bla
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Books on the topic "Propeller noise"

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Center, Langley Research, ed. An assessment of propeller aircraft noise reduction technology. National Aeronautics and Space Administration, Langley Research Center, 1995.

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United States. National Aeronautics and Space Administration. Scientific and Technical Information Division., ed. Aircraft propeller induced structure-borne noise. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1989.

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Soderman, Paul T. Acoustic and aerodynamic study of a pusher-propeller aircraft model. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1990.

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A, Krejsa E., and Langley Research Center, eds. Predicted and measured boundary layer refraction for advanced turboprop propeller noise. National Aeronautics and Space Administration, Langley Research Center, 1990.

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United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., ed. Noise propagation from a four-engine, propeller-driven airplane. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1987.

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B, Gordon Eliott, Jeracki Robert J, and United States. National Aeronautics and Space Administration., eds. The effect of front-to-rear propeller spacing on the interaction noise at cruise conditions of a model counterrotation propeller having a reduced diameter aft propeller. National Aeronautics and Space Administration, 1988.

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B, Gordon Eliott, Jeracki Robert J, and United States. National Aeronautics and Space Administration., eds. The effect of front-to-rear propeller spacing on the interaction noise at cruise conditions of a model counterrotation propeller having a reduced diameter aft propeller. National Aeronautics and Space Administration, 1988.

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P, Woodward Richard, and United States. National Aeronautics and Space Administration., eds. Noise levels from a model turbofan engine with simulated noise control measures applied. National Aeronautics and Space Administration, 1993.

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Nguyen, L. Cathy. A users guide for the NASA ANOPP propeller analysis system. NASA Langley Research Center, 1997.

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H, Mayes William, Daniels Edward F, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., eds. Effects of propeller rotation direction on airplane interior noise levels. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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Book chapters on the topic "Propeller noise"

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Crighton, D. G., A. P. Dowling, J. E. Ffowcs Williams, M. Heckl, and F. G. Leppington. "Propeller and Helicopter Noise." In Modern Methods in Analytical Acoustics. Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-0399-8_15.

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Collier, Robert D. "Ship and Platform Noise, Propeller Noise." In Encyclopedia of Acoustics. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470172513.ch46.

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Kingan, Michael J., Ryan S. McKay, Yan Wu, Riul Jung, and Sung Tyaek Go. "Unmanned Aerial Vehicle Propeller Noise." In Flinovia—Flow Induced Noise and Vibration Issues and Aspects—IV. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-73935-4_6.

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Tacar Ilter, Zeynep, Mina Tadros, Y. Kaan Ilter, Yunxin Xu, and Weichao Shi. "Enhancing Energy Efficiency of Ship Propulsion Systems Through Tubercle Assisted Propellers: A Full-Scale CFD Study." In Lecture Notes in Mobility. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-89444-2_60.

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Abstract This paper investigates the potential of integrating biomimetically inspired tubercles into ship propulsion systems, specifically ducted propellers, to improve energy efficiency and reduce the environmental impact of maritime transportation. The current study aims to assess the impact of tubercle integration in ducted propellers for analysing the self-propulsion of full-scale ships. First, computational fluid dynamics (CFD) models and empirical formulas implemented in NavCad are used to compute the ship resistance, showing good agreement in the calculated results. Then, the initial pr
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Zoolfakar, Md Redzuan, and Mohammad Shafiq Mohammad Khairul. "Underwater Noise Study Toward Propeller Rotation." In Advanced Engineering for Processes and Technologies II. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-67307-9_17.

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Chen, Yihong, Denghai Tang, Zhuqing Liu, and Hongxing Sun. "The Study of Prediction Method on Propeller Broadband Noise." In Fluid-Structure-Sound Interactions and Control. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-40371-2_34.

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Doolan, Con, Yendrew Yauwenas, and Danielle Moreau. "Drone Propeller Noise Under Static and Steady Inflow Conditions." In Flinovia—Flow Induced Noise and Vibration Issues and Aspects-III. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64807-7_3.

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Bajić, Branko, Jadranka Tasić, Adil Džubur, and Ivica Jovanović. "Propeller Noise: Some Topics from the Activities of Brodarski Institute." In Shipboard Acoustics. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-3515-0_6.

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Franco, Andrea, Roland Ewert, Malav Mukesh Soni, Michael Mößner, and Jan Werner Delfs. "Fast Non-empiric Propeller Source Noise Model with Mean Flow." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-79561-0_71.

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Venugopal, M. M., L. Tushar Thakur, Rahul Milan, R. C. Ranjith Shetty, L. Vinod, and H. V. Srikanth. "Design and Development of Drone Propeller for Noise Pollution Reduction." In Advances in Science, Technology & Innovation. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-76937-5_6.

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Conference papers on the topic "Propeller noise"

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Zhou, Shuji, Haiyan Wang, and Xiaohong Shen. "Analysis of Noise Characteristics of Pump Injection Propeller." In 2024 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC). IEEE, 2024. https://doi.org/10.1109/icspcc62635.2024.10770533.

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Staruk, William, Sean Patrick Kelley, Jeremy Bain, et al. "Overview of Wind Tunnel Testing of the Joby Aviation eVTOL Isolated Propeller System." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-392.

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In 2023, Joby Aviation conducted a test of a prototype propeller for an electric vertical takeoff and landing (eVTOL) tilt-propeller aircraft in the 40- by 80-Foot Wind Tunnel at the National Full-Scale Aerodynamics Complex (NFAC). The propeller differed from rotors found on typical helicopters and tiltrotors in having rigid blades and no cyclic pitch variation, and from airplane propellers in operating in an edgewise flow environment. This wind tunnel test was intended to study the behavior of the propeller in the transition regime experienced during conversion from thrust-borne, through semi
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Meis, Marcos, and Adrián Sarasquete. "Low Noise Propellers for Research Vessels." In SNAME Propeller and Shafting Symposium. SNAME, 2023. http://dx.doi.org/10.5957/pss-2023-004.

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Major sources of noise radiated by a ship to the oceans are briefly reviewed, focusing on the underwater noise radiated by the propeller caused by cavitating and non cavitating phenomena. Sheet cavitation and especially tip vortex cavitation are the most frequently first types of cavitation that appears in modern low noise propellers. Some general comments are made on the influence of geometric propeller parameters in the cavitation inception diagram, to achieve propeller designs that delay all types of cavitation. Finally, some comments are done in the singing phenomenon and the influence of
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Oleson, R., and Howard Patrick. "Small aircraft propeller noise with ducted propeller." In 4th AIAA/CEAS Aeroacoustics Conference. American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-2284.

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Bevan, Todd A., and Ronald G. Hund. "Vibration Absorbers Quiet Propeller Noise." In Noise & Vibration Conference & Exposition. SAE International, 1993. http://dx.doi.org/10.4271/931283.

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Takahashi, Kenshiro, Jun Arai, and Takayuki Mori. "Numerical Analysis on Model- and Full-Scale Unsteady Propeller Force for Underwater Vehicle." In ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/omae2022-79760.

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Abstract Submarines and other underwater vehicles must meet extensive specifications regarding their acoustic signatures to perform covert missions. However, marine propellers produce unsteady forces, resulting in undesirable noise. In this context, the unsteady propeller force of an underwater vehicle was analyzed at the model scale and full scale, based on computational fluid dynamics. The DARPA SUBOFF submarine and INSEAN E1619 propeller were adopted as benchmark models. The propeller rotational speeds under self-propelled conditions were determined using the body-force propeller method. Th
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Robison, Rosalyn, and Nigel Peake. "Propeller Unsteady Distortion Noise." In 16th AIAA/CEAS Aeroacoustics Conference. American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-3798.

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Karimi Noughabi, Amir, Morteza Bayati, and Mehran Tadjfar. "Investigation of Cavitation Phenomena on Noise of Underwater Propeller." In ASME 2017 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fedsm2017-69536.

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Underwater propeller cavitation noise is composed of tonal blade rate noise and high frequency broadband noise. Cavitation usually increases overall sound pressure level in the various frequency ranges which depends on the type of cavitation. This research had been carry out to predict the radiated noise from a marine propeller in presence of cavitation with various cavitation types. The analysis is performed by coupling an acoustic code based on the Ffowcs Williams-Hawkings (FWH) equation to unsteady Reynolds-averaged Navier-Stokes (URANS) which able to simulate multiphase flows in rotational
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Raja, Vijayanandh, Shyam Sundar Jayakumar, Haribalan Saravana Mohan, Parvathy Rajendran, Beena Stanislaus Arputharaj, and Senthil Kumar Madasamy. "Design and Multi-Perspective Investigations on Aeroacoustic Noise Reduction Technologies for Anti-Drone Propeller." In ASME 2023 Gas Turbine India Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gtindia2023-117639.

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Abstract The increasing use of drones in military and defence applications require stealth technology to reduce noise generated by the propeller, which can compromise the drone’s mission. Noise reduction techniques have been developed to address this issue. In this regard, a unique forward speed based drone propeller has been designed. One approach is implementation of optimized sawtooth serrations can be used to reduce noise generated by propellers. The use of serrations on the trailing edge of propeller blades will reduce the noise generated by creating a series of miniature vortices along t
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Zhang, Fanchen, and Jianjun Ma. "FSI Analysis the Dynamic Performance of Composite Propeller." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77108.

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The marine propeller is regarded as critical component with regard to the performance of the ships and torpedoes. Traditionally marine propellers are made of manganese-nickel-aluminum-bronze (MAB) or nickel-aluminum-bronze (NAB) for superior corrosion resistance, high-yield strength, reliability, and affordability. Since the composite materials can offer the potential benefits of reduced corrosion and cavitation damage, improved fatigue performance, lower noise, improved material damping properties, and reduced lifetime maintenance cost, Many researches on the application of the composite mate
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Reports on the topic "Propeller noise"

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Shen, Young T., and Murray Strasberg. The Effect of Scale on Propeller Tip-Vortex Cavitation Noise. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada420392.

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