Gotowe bibliografie tematyczne / Aircraft Noise

Gotowa bibliografia na temat „Aircraft Noise”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 6 września 2023

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Artykuły w czasopismach na temat "Aircraft Noise"

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Oh, Soo Hee, i Kyoungwon Lee. "Aircraft Noise of Airport Community in Korea". Audiology and Speech Research 16, nr 1 (31.01.2020): 1–10. http://dx.doi.org/10.21848/asr.200001.

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Aircraft noise is one of the serious environmental noises with the increased use of flight traffic. The purpose of this study is to understand aircraft noise levels of airport communities in Korea using baseline data for audiologic management. Aircraft noise levels were retrieved from the National Noise Information System every month between 2004 and 2018. We reviewed aircraft noise levels obtained from total of 111 airport communities across 14 airports. In order to understand aircraft noise levels of civil and military airports, the aircraft noise levels measured in civil and military airport communities compared with the noise levels from civil airport communities. The data showed average 71-73 weight equivalent continuous perceived noise level (WECPNL) for fifteen years across airport cities and the average noise levels did not increase over time between 2004 and 2018 years. The civil and military airports showed about 12 WECPNLs of increased noise levels compared to the civil airports. The most civil and military airport communities, including Gwangju, Gunsan, Daegu, Wonju, and Cheongju generated the maximum noise levels and ranked as the highest airport for aircraft noise levels. Although aircraft noise levels in airport communities were similar over the past decade, civil and military airports generated increased noised levels compared to civil airports due to jet plane noises and other military-related noises. Careful consideration is necessary to implement noise reduction policy for civil and military airport communities. Ongoing noise control, hearing monitoring, education, and relevant policies are required to improve the quality of life in the airport community residences.
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Fujita, Etsushi, Taichi Higashioka, Manabu Sugiura i Osamu Kohashi. "Evaluation method of military aircraft noise using AI analysis of aircraft images". INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, nr 6 (1.08.2021): 854–62. http://dx.doi.org/10.3397/in-2021-1668.

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In recent aircraft noise survey in Japan, noise data is associated with each aircraft by flight log or by radio information including transponder signals. Especially, above Tokyo metropolitan area, flight tracks are tangled extremely each other, therefore assessments from various perspectives such as departure / arrival airport, used runway, aircraft model, and operator have been demanded for determining noise policies. However, for military aircrafts, it is not easy to identify their information with the same way as commercial aircrafts, because their flight logs are not disclosed and many of them do not emit transponder signals like commercial aircrafts. Therefore, manned 24 hours survey around air bases have been necessary to obtain flight information of military aircrafts. In this paper, we propose an AI-based analysis using captured aircraft images for obtaining actual flight data of military aircrafts. In the past trials, we could determine the takeoff/landing time and the aircraft model by the above method. Associating these information and noise data measured at monitoring stations, details of noise characteristics around the air base can be clearly grasped. Advanced analysis of the causes of noise impact will lead effective and concrete countermeasures.
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Shen, Kenan, i Dongbiao Zhao. "An EMD-LSTM Deep Learning Method for Aircraft Hydraulic System Fault Diagnosis under Different Environmental Noises". Aerospace 10, nr 1 (5.01.2023): 55. http://dx.doi.org/10.3390/aerospace10010055.

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Aircraft hydraulic fault diagnosis is an important technique in aircraft systems, as the hydraulic system is one of the key components of an aircraft. In aircraft hydraulic system fault diagnosis, complex environmental noises will lead to inaccurate results. To address the above problem, hydraulic system fault detection methods should be capable of noise resistance. Previous research has mainly focused on noise-free conditions and many effective approaches have been proposed; however, in real-world aircraft flying conditions, the aircraft hydraulic system often has strong and complex noises. The methods proposed may not have good fault detection results in such a noisy environment. According to the situation, this work focuses on aircraft hydraulic system fault classification under the influence of a hydraulic working environment with Gaussian white noise. In order to eliminate the noise interference and adapt to the actual noisy environment, a new aircraft hydraulic fault diagnostic method based on empirical mode deposition (EMD) and long short-term memory (LSTM) is presented. First, the hydraulic system is constructed by AMESIM. One normal state and five fault states are considered in this paper. Eight-channel signals of different states are collected for network training and testing. Second, the EMD method is used to obtain the different intrinsic mode functions (IMFs) of the signals. Third, principal component analysis (PCA) is used to obtain the main component of the IMFs. Fourth, three different LSTM methods are chosen to compare and the best structure that is chosen is the gate recurrent unit (GRU). After that, the network parameters are optimized. The results under different noise environments are given. Then, a comparison between the EMD-GRU with several different machine learning methods is considered, and the result shows that the method in this paper has a better anti-noise effect. Therefore, the proposed method is demonstrated to have a strong ability of fault diagnosis and classification under the working noises based on the simulation results.
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Bronzaft, Arline L., Kathleen Dee Ahern, Regina McGinn, Joyce O'Connor i Bartholomew Savino. "Aircraft Noise". Environment and Behavior 30, nr 1 (styczeń 1998): 101–13. http://dx.doi.org/10.1177/0013916598301005.

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Tandon, N. "Aircraft Noise". Noise & Vibration Worldwide 34, nr 4 (kwiecień 2003): 11–14. http://dx.doi.org/10.1260/095745603321832471.

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Various noise measurement parameters/indices used to define aircraft and airport noise are explained. The noise zone limits used around airports in some countries are given. Noise prediction software can be used to generate noise contours around airports. New aircraft noise certification standards have been developed to encourage control of aircraft noise at source. Aircraft noise can also be reduced if noise abatement landing and take-off procedures are followed.
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Morinaga, Makoto, Takanori Matsui, Sonoko Kuwano i Seiichiro Namba. "An experiment on the feeling of separation when multiple aircraft noises are overlapped". INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, nr 4 (1.08.2021): 2058–63. http://dx.doi.org/10.3397/in-2021-2041.

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In order to calculate the A-weighted single event sound exposure level () of aircraft noise, the following method is described in the manual for aircraft noise measurement in Japan. Firstly a time-section, which is the range between two points where the noise level is 10 dB lower than the maximum noise level (), should be identified, and secondly the energy within the section is integrated. This method can easily be applied to the single event noises. When multiple aircraft noises are overlapped simultaneously, there are cases where cannot be calculated adequately by this method. In such cases, it is required to record the number of aircraft noises in the field measurements. However, even in the case of manned measurement, it is not easy to separate sound sources just by listening to the sound. A pilot study of the psychoacoustic experiment was conducted using the stimuli where multiple aircraft noises were overlapped in order to find what condition is needed so that multiple aircraft noises were separately perceived. It was suggested that a considerable time interval was needed so that people felt the separation between aircraft noises only with auditory information.
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Dekoninck, Luc. "Detecting and Correlating Aircraft Noise Events below Ambient Noise Levels Using OpenSky Tracking Data". Proceedings 59, nr 1 (3.12.2020): 13. http://dx.doi.org/10.3390/proceedings2020059013.

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Noise annoyance due to aircraft operations extends well beyond the 55 Lden noise contours as calculated according to the Environmental Noise Directive (END). Noise mapping beyond these contours will improve the understanding of the perception, annoyance and health impact of aircraft operations. OpenSky data can provide the spatial data to create an aircraft noise exposure map for lower exposure levels. This work presents the first step of region-wide noise exposure methodology based on open source data: detecting low LAmax aircraft events in ambient noise using spectral noise measurements and correlating the detected noise events to the matching flights retrieved from the OpenSky database. In ISO 20906:2009, the specifications of noise monitoring near airports is standardized, using LAeq,1sec values for event detection. This limits the detection potential due to masking by other noise sources in areas with low maximum levels of aircraft noise and in areas with medium maximum levels of high ambient exposure areas. The typical lower detection limit in airport-based monitoring systems ranges from 55 to 60 LAeq,max, depending on the ambient levels. Using a detection algorithm sensitive to third-octave band levels, aircrafts can be detected down to 40 LAmax in ambient noise levels of a similar magnitude. The measurement approach is opportunistic: aircraft events are detected in available environmental noise data series registered for other applications (e.g., road noise, industrial noise, etc.). Most of the measurement locations are not identified as high-exposure areas for aircraft noise. Detection settings can vary to match ambient noise levels to improve the correlation success.
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Bartkevičiūtė, Monika, i Raimondas Grubliauskas. "RESEARCH ON EMERGING AND DESCENDING AIRCRAFT NOISE / KYLANČIŲ IR BESILEIDŽIANČIŲ ORLAIVIŲ KELIAMO TRIUKŠMO TYRIMAI". Mokslas - Lietuvos ateitis 5, nr 4 (25.11.2013): 337–42. http://dx.doi.org/10.3846/mla.2013.54.

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Along with an increase in the aircraft engine power and growth in air traffic, noise level at airports and their surrounding environs significantly increases. Aircraft noise is high level noise spreading within large radius and intensively irritating the human body. Air transport is one of the main sources of noise having a particularly strong negative impact on the environment. The article deals with activities and noises taking place in the largest nationwide Vilnius International Airport.The level of noise and its dispersion was evaluated conducting research on the noise generated by emerging and descending aircrafts in National Vilnius Airport. Investigation was carried out at 2 measuring points located in a residential area. There are different types of aircrafts causing different sound levels. It has been estimated the largest exceedances that occur when an aircraft is approaching. In this case, the noisiest types of aircrafts are B733, B738 and AT72. The sound level varies from 70 to 85 dBA. The quietest aircrafts are RJ1H and F70. When taking off, the equivalent of the maximum sound level value of these aircrafts does not exceed the authorized limits. The paper describes the causes of noise in aircrafts, the sources of origin and the impact of noise on humans and the environment. Article in Lithuanian. Santrauka Padidėjus orlaivių variklių galiai ir daugėjant skrydžių, labai padidėjo oro uostuose ir šalia jų esančiose apylinkėse skleidžiamo triukšmo lygis. Lėktuvo keliamas triukšmas išsiskiria aukštu garso slėgio lygiu bei dideliu spinduliu sklindančiu garsu ir yra labiausiai dirginantis žmogaus organizmą. Orlaivių transportas – vienas pagrindinių triukšmo šaltinių, darantis ypač didelę neigiamą įtaką aplinkai. Nagrinėjamas Tarptautiniame Vilniaus oro uoste kylančių ir tupiančių orlaivių keliamas triukšmas. Triukšmo tyrimai atlikti gyvenamojoje aplinkoje greta oro uosto parinktose matavimo vietose. Pateikiami įvairių orlaivių tipų sukeliamo garso stiprumo – garso slėgio lygiai. Didžiausias leistinųjų verčių viršijimas nustatomas orlaiviams leidžiantis. Triukšmingiausi B733, B738 ir AT72 tipo orlaiviai – garso slėgio lygis 70–85 dBA. Vieni tyliausių orlaivių – RJ1H ir F70. Jiems kylant ekvivalentinės ir maksimalios garso slėgio lygio reikšmės neviršija leidžiamųjų. Aprašomos orlaivių keliamo triukšmo priežastys, kilimo šaltiniai. Nagrinėjamas triukšmo poveikis žmogui ir aplinkai.
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Johansson, Anders. "Aircraft Approach Noise Trials". INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, nr 2 (1.02.2023): 5893–99. http://dx.doi.org/10.3397/in_2022_0875.

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This article presents the results from a series of aircraft approach trials that were conducted with the aim to investigate noise reduction procedures within the boundaries of a normal ILS approach. The significant decline in air traffic at Stockholm Arlanda, that occurred during the pandemic meant that the empty airspace and the availability of grounded aircrafts could be utilized to perform controlled flights - something that would have been difficult to achieve during normal traffic conditions. The approach trials were performed by two Airbus A321, which alternately carried out interrupted landing procedures starting 17 nautical miles (nm) from the runway threshold. During the trials, the aircraft speed and configuration (high lift devises and landing gear) were varied according to a predetermined schedule. To capture these variations, flight data (FDR) were recorded while the noise on ground was measured at positions approximately once every nautical mile along the flight track. Results suggest that speed and configuration recommendations can be effective to reduce noise, especially for the final 7 nautical miles of the flight track. However, whether a low speed is to be advocated during the entire approach is currently unclear.
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Remigi, Francesca, Daniele Sepulcri, Shanti Wisniewska i Kalil Nayer Nouri. "Aircraft Noise Management". INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, nr 6 (1.08.2021): 626–34. http://dx.doi.org/10.3397/in-2021-1586.

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Several studies predict an increase up to 40% in traffic flights by the 2040. Airport noise control is a complicated procedure which creates an interesting blend of science, politics, and money. Accordingly, in many communities where airport noise is perceived as a significant problem, a noise control program is sometimes viewed as a continual process, rather than a discrete solution which will come to an end at some point in time.This work is an overview in the existing European low framework and the noise abatement procedure put in place to manage the aircraft noise.
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Rozprawy doktorskie na temat "Aircraft Noise"

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Ionescu, Irina Gabriela. "Aircraft noise regulation". Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82660.

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Aircraft noise is one of the most controversial environmental concerns in the aviation industry, partly due to the difficulty in harmonizing countries' regulation regarding this issue. The purpose of this thesis is to analyze the ways in which aircraft noise is regulated at the national and international levels, and to compare the legislative responses to aircraft noise issues in Europe and North America. Each of the four main chapters of the thesis takes into consideration a different aspect of the problem. The first chapter describes the objective and subjective ways of measuring aircraft noise. This process is necessary in order to allow the legislation to meet its purpose, namely, to protect the environment, the sources of the aircraft noise, and the effects of the aircraft noise on people. The second chapter describes the evolution of aircraft noise issues at the national levels in the US and throughout the EU, respectively, as well as at the international level, such as at the ICAO. The third chapter analyses the EU Regulation 925/1999, which created tension between the EU and the US due to its alleged discriminatory nature. This thesis examines the arguments of both sides. Finally, the fourth chapter analyses the noise certification standards developed by ICAO, namely the "balanced approach".
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彭遠輝 i Yuen-fai Alson Pang. "Managing aircraft noise". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B31255280.

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Pang, Yuen-fai Alson. "Managing aircraft noise /". Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B2543598x.

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Heffernon, Timothy James. "Aircraft noise installation effects". Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/415885/.

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Airframe noise is currently of a comparable level to engine noise for an aircraft on approach with high-lift devices and landing gears deployed. The landing gears are a large contributor to the overall airframe noise in this situation. Main landing gears are typically installed beneath a lifting wing. The wing surfaces act as scattering surfaces for the noise generated by these landing gears, and the non-uniform flow around the wing affects both the propagation and strength of the noise. This thesis focuses on investigating the propagation and scattering of installed landing gear noise sources. Boundary element methods are capable of computing acoustic scattering by large and complex geometries, such as a complete aircraft geometry. However, due to their use of Green’s functions, flow effects can only be approximated. As a result, the refraction of acoustic waves due to a non-uniform flow is not accounted for. A uniform flow formulation based on a Lorentz-type transform is typically employed with boundary element methods. The effect of neglecting refraction on the propagation and scattering of landing gear noise sources is determined in this thesis. Investigations are conducted using computational aeroacoustic methods that solve the linearised Euler equations, which account for the refraction of acoustic waves due to non-uniform flow. Using computational aeroacoustic methods, the effect of non-uniform flow due to circulation on the acoustic scattering is quantified as the difference in acoustic scattering over uniform and non-uniform base flows. These investigations are conducted using both single frequency and broadband monopole sources, and both single-element and multi-element airfoils. Increasing the angle of attack, increasing the Mach number, and deploying flaps all increase the circulation around the airfoil. The effect of varying these parameters is investigated systematically. It is shown that for a source in the approximate position of a landing gear with flow conditions similar to that of an airliner on approach, the largest difference observed is at single frequencies for an airfoil configuration with a deployed flap. Otherwise, the differences are small, and in some cases so small that they can be considered negligible. It is shown that moving the source to a position above the airfoil and using a higher Mach number gives a larger difference, although this is not representative of a landing gear source. A new method is proposed to generate a broadband input signal for use with a computational aeroacoustic solver that gives a specified power spectral density at a given radial distance from a monopole source. A signal that is equal in power across a specified range of frequencies is generated using this method. The effect on the frequency content of the scattered noise from a broadband source installed beneath a lifting wing is investigated using this generated signal. It is shown for a single-element airfoil that the major contributor to the obtained power spectral density is the distance of the source from the airfoil. Varying the angle of attack and Mach number has only a small additional effect on the power spectral density. It is then shown that flap and slat deployment has a larger effect on the computed power spectral density due to the additional reflective surfaces. Existing boundary element method formulations that estimate uniform and nonuniform flow effects are evaluated for their suitability for landing gear noise scattering predictions. It is shown that the uniform flow formulation is more suitable due to a simplifying assumption made in the derivation of the non-uniform flow formulation. An existing realistic landing gear noise model is coupled with a three-dimensional acoustic boundary element method solver. The landing gear noise model applies scaling laws to directional databases for isolated landing gear components in order to estimate the total far-field noise. The implemented coupling methodology is used to compute the sound pressure level on a ground plane beneath a realistic scattering aircraft geometry. The geometrical effect of flap deployment is investigated using sources of constant strength for each configuration. It is shown that the effect of flap deployment is to increase the sound pressure level directly below and in the region immediately surrounding the aircraft. The effect of source strength reduction due to circulation around a lifting wing is then included in the predictions. This results in a large decrease in the predicted sound pressure level on the ground plane with flap deployment.
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Gualandi, Nicola <1978&gt. "Aircraft noise performance evaluation and airport noise management". Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2009. http://amsdottorato.unibo.it/1356/1/Gualandi_Nicola_Aircraft_noise_performance_evaluation_and_airport_noise_management.pdf.

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Gualandi, Nicola <1978&gt. "Aircraft noise performance evaluation and airport noise management". Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2009. http://amsdottorato.unibo.it/1356/.

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Copley-Woods, Djuna S. (Djuna Sunlight) 1977. "Aircraft interior acoustic noise control". Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9330.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1999.
Includes bibliographical references (p. 45).
An experimental study was perfonned to determine which materials are best suited for internal aircraft noise reduction. An impedance tube with dimensions of a scaled aircraft was constructed and evaluated, and eleven materials were tested and compared based on their noise reduction properties, weight, and thickness. Polyvinylidene Fluoride was tested for use in active noise control for a large space.
by Djuna S. Copley-Woods.
S.B.
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Rodriguez, Garcia Paul. "Aircraft turbine combustion noise processing". Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/413857/.

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Appraisal of the noise produced at the combustion stage in a jet engine is becoming more important, as fan and jet noise have been significantly reduced over many years. Therefore, combustion noise is contributing more to overall noise, especially at low jet velocities. Environmental regulations stipulate that gas emissions from a jet engine should be reduced. Thus, new techniques have been introduced in their operation, especially concerning the combustion process. Accordingly, there is a need for improved processing methods in order to extract combustion noise from other sources in new build engines. A novel processing technique to extract turbofan engine combustion noise called 3S-Array is presented. It has been developed using a multiple coherence technique with data acquired in the in-duct and external sound fields of a jet engine. In-duct sensors are located in the combustion chamber and in the nozzle of the engine, and external data is acquired using an array of microphones. A beamformed signal focused on the nozzle of the engine is generated with the data from the external array. Jet noise and in influences of the room on the array output are reduced using this focusing technique, which is referred to as Focused Beamformed Output (FBO). Results show that using this new 3S-Array technique with two of the in-duct sensors and the focused beamformed signal as the third one, provides a better estimator of combustion noise than the 3-signal coherence technique alone, or the Coherence-Output Power Spectra (COP), both of which are reported in the literature as methods for the extraction of combustion noise from the radiated noise spectrum.
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Dickson, Crispin. "A few aspects of aircraft noise". Licentiate thesis, Stockholm : Teknisk akustik, Kungliga Tekniska högskolan, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4510.

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Morrell, Stephen L. "Aircraft noise and child blood pressure". Connect to full text, 2003. http://hdl.handle.net/2123/594.

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Thesis (Ph. D.)--University of Sydney, 2003.
Title from title screen (viewed Apr. 29, 2008). Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Public Health, Faculty of Medicine. Includes bibliography. Also available in print form.
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Książki na temat "Aircraft Noise"

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Smith, Michael J. T. Aircraft noise. Cambridge: Cambridge University Press, 1989.

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North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Combat aircraft noise. Neuilly sur Seine, France: AGARD, 1992.

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E, Grandle Robert, i United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., red. Aircraft Noise Synthesis System. [Washington, DC?]: National Aeronautics and Sapce Administration, Scientific and Technical Information Branch, 1987.

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Attenborough, K. Aircraft noise propagation, exposure & reduction. London: Spon Press, 2011.

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Efue, Oghenekome Ohwoakpo R. Assessment of aircraft noise impact. Birmingham: University of Birmingham, 1991.

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M, Martinez Michael, Weir Donald S i Langley Research Center, red. Definition of 1992 technology aircraft noise levels and the methodology for assessing airplane noise impact of component noise reduction concepts. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1996.

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M, Martinez Michael, Weir Donald S i Langley Research Center, red. Definition of 1992 technology aircraft noise levels and the methodology for assessing airplane noise impact of component noise reduction concepts. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1996.

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Center, Langley Research, red. ROTONET primer: Contract NAS1-19000. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1996.

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Center, Lewis Research, red. An estimate of the enroute noise of an advanced turboprop airplane. Cleveland, Ohio: National Aeronautics and Space Administration, Lewis Research Center, 1986.

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Office, General Accounting. Aviation noise: Costs of phasing out noisy aircraft : report to congressional requesters. Washington, D.C: GAO, 1991.

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Części książek na temat "Aircraft Noise"

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Michel, Ulf, Werner Dobrzynski, Wolf Splettstoesser, Jan Delfs, Ullrich Isermann i Frank Obermeier. "Aircraft Noise". W Handbook of Engineering Acoustics, 489–537. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-540-69460-1_17.

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Knobloch, Karsten, Eric Manoha, Olivier Atinault, Raphaël Barrier, Cyril Polacsek, Mathieu Lorteau, Damiano Casalino i in. "Future Aircraft and the Future of Aircraft Noise". W Aviation Noise Impact Management, 117–39. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91194-2_5.

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AbstractIn order to cope with increasing air traffic and the requirement to decrease the overall footprint of the aviation sector—making it more sustainably and acceptable for the whole society—drastic technology improvements are required beside all other measures. This includes also the development of novel aircraft configurations and associated technologies which are anticipated to bring significant improvements for fuel burn, gaseous and noise emissions compared to the current state and the current evolutionary development. Several research projects all over the world have been investigating specific technologies to address these goals individually, or novel—sometimes also called “disruptive” —aircraft concepts as a whole. The chapter provides a small glimpse on these activities—mainly from a point of view of recent European funded research activities like Horizon2020 projects ARTEM, PARSIFAL, and SENECA being by no-way complete or exhaustive. The focus of this collection is on noise implications of exemplary novel concepts as this is one of the most complicated and least addressed topics in the assessment of aircraft configurations in an early design stage. Beside the boundary layer ingestion concept, the design process for a blended wing body aircraft is described, a box-wing concept is presented and an outlook on emerging supersonic air transport is given.
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Vepa, Ranjan. "Aeroacoustics and Low Noise Design". W Electric Aircraft Dynamics, 169–206. First edition. | Boca Raton, FL : CRC Press, 2020.: CRC Press, 2020. http://dx.doi.org/10.1201/9780429202315-8.

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Benz, Sarah, Julia Kuhlmann, Sonja Jeram, Susanne Bartels, Barbara Ohlenforst i Dirk Schreckenberg. "Impact of Aircraft Noise on Health". W Aviation Noise Impact Management, 173–95. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91194-2_7.

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AbstractAircraft noise exposure is an environmental stressor and has been linked to various adverse health outcomes, such as annoyance, sleep disturbance, and cardiovascular diseases. Aircraft noise can trigger both psychological (annoyance and disturbance) and physiological stress responses (e.g. activation of the cardiovascular system and release of stress hormones). People are usually able to deal with this kind of stressor. However, a constant exposure to aircraft noise can cause a continuous state of stress. This in turn can constrain a person’s ability to regenerate and restore its resources to cope with the noise situation. As a consequence, the risk for certain negative health outcomes can be increased. Within the ANIMA project, literature reviews on the effects of aircraft noise on health outcomes have been performed. This chapter gives an overview of the relevant health outcomes affected by aircraft noise and summarises the results of different reviews and studies on these outcomes. Additionally, the underlying mechanisms of how noise impacts health are explained for daytime as well as night-time aircraft noise exposure (i.e. while sleeping). Further, the relevance of considering not only the general population, but vulnerable groups as well (such as children and elderly people) is described. Lastly, open questions for further studies are presented and discussed.
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Zaporozhets, Oleksandr. "Balanced Approach to Aircraft Noise Management". W Aviation Noise Impact Management, 29–56. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91194-2_3.

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AbstractICAO Balanced Approach (BA) to aircraft noise management in airports is reviewed in accordance with historical and technological challenges. All four basic elements of the BA are subject to noise exposure control with dominant emphasis on reduction of noise at source and compatible land usage inside the noise zoning around the airports. Noise abatement procedures and flight restrictions are used at any airport due to its specific issues and should be implemented on a basis of cost–benefit analysis. Noise exposure reduction is an intermediate goal, a final goal—to reduce noise impact, which is mostly represented by population annoyance as a reaction to noise exposure, is discussed also.
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Fidell, Sanford, i Vincent Mestre. "Aircraft Noise Measurement and Modeling". W A Guide To U.S. Aircraft Noise Regulatory Policy, 59–74. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39908-5_4.

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Fidell, Sanford, i Vincent Mestre. "Airport Noise Mitigation". W A Guide To U.S. Aircraft Noise Regulatory Policy, 91–98. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39908-5_6.

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Guruprasad, Shreyas M., Prem R. Mohan Ram, Christopher Blech, Ulrich Römer i Sabine C. Langer. "Aircraft Cabin Noise Prediction Under Uncertainty". W Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 247–61. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-52429-6_16.

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Fidell, Sanford, i Vincent Mestre. "Chronology of U.S. Aircraft Noise Regulation". W A Guide To U.S. Aircraft Noise Regulatory Policy, 7–22. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39908-5_2.

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Zaporozhets, Oleksander, Vadym Gulevets, Sergii Karpenko, Kateryna Kazhan, Olena Konovalova i Vjacheslav Paraschanov. "Aircraft Noise Measurements in Ukrainian Airports". W Advances in Electric Aviation, 157–68. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-32639-4_21.

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Streszczenia konferencji na temat "Aircraft Noise"

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Balint, Agneta M., i Stefan Balint. "Aircraft noise reduction". W TIM14 PHYSICS CONFERENCE - PHYSICS WITHOUT FRONTIERS. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4937253.

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Valim, Fernanda, i Jules Slama. "Aircraft Movement Indicator". W SAE Brasil Noise and Vibration Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2008. http://dx.doi.org/10.4271/2008-36-0570.

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Bradley Nelson, J. "Aircraft magnetic noise sources". W 8th International Congress of the Brazilian Geophysical Society. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609-pdb.168.arq_1036.

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do Carmo, Micael G. V., i Julio R. Meneghini. "Brazilian Silent Aircraft Program". W SAE Brasil International Noise and Vibration Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2010. http://dx.doi.org/10.4271/2010-36-0506.

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Hassan, Mohammed, Jimmy C. Tai, Russell K. Denney i Benjamin Havrilesko. "En Route Jet Aircraft Noise Analysis". W AIAA/3AF Aircraft Noise and Emissions Reduction Symposium. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2014. http://dx.doi.org/10.2514/6.2014-3163.

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Guo, Yueping, i Russell H. Thomas. "On Aircraft Trailing Edge Noise". W 25th AIAA/CEAS Aeroacoustics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2019. http://dx.doi.org/10.2514/6.2019-2610.

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MCCURDY, DAVID. "Aircraft en route noise annoyance". W 13th Aeroacoustics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1990. http://dx.doi.org/10.2514/6.1990-4028.

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Bain, Jeremy, Greg Goetchius i David Josephson. "Flyover Noise Comparison Between Joby Aircraft and Similar Aircraft". W Vertical Flight Society 78th Annual Forum & Technology Display. The Vertical Flight Society, 2022. http://dx.doi.org/10.4050/f-0078-2022-17437.

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Joby Aviation is developing a six propeller, all electric vertical takeoff and landing piloted air taxi aircraft. The aircraft is designed for high density operations near residences and workplaces, so it is imperative that the acoustic emissions of the aircraft are minimized for community acceptance. It is important to compare not just the absolute sound levels but also the sound quality with conventional aircraft already known to the public. To showcase the difference between the Joby aircraft and similarly sized aircraft for a level flyover condition, Joby arranged a flight demonstration with two conventional fixed-wing aircraft and three commercial helicopters. All the aircraft were flown at approximately 100 knots (51 m/s) and 1500 feet (457 m) above ground level within minutes of each other in the same location to minimize variability. They were measured with the same equipment and processing methods. The results show that the peak Joby aircraft sound pressure level was 10 to 19 dB(A) below the conventional aircraft. The conventional aircraft noise levels were above the peak Joby level for 43 to 54 seconds during the flyover. The Joby aircraft was measured at 13 to 22 EPNdB lower than the conventional aircraft. Close examination of the spectra showed that Joby aircraft has greatly reduced tonal and low frequency content. When substituting the low ambient noise during the flight test with a realistic urban outdoor cafe environment, the Joby aircraft is below the ambient at all frequencies during the direct f lyover which allows it to blend in with the ambient soundscape. The other conventional airplanes and helicopters exhibited large tones that rise above the cafe ambient for approximately one minute, and would impact a much larger area on the ground that is not directly under the flight path.
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Dal'Carobo, Bruno, i Ricardo Fensterseifer. "Aircraft Wing Flutter: An Applied Approach". W SAE Brasil International Noise and Vibration Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2010. http://dx.doi.org/10.4271/2010-36-0513.

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Jagniatinskas, Aleksandras, Oleksandr Zaporozhets, Oleg Kartyshev i Boris Fiks. "Co-Operation in Calculations and Monitoring the Aircraft Noise in Airports with Dominant Contribution of FSU Aircraft". W SAE Brasil International Noise and Vibration Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2010. http://dx.doi.org/10.4271/2010-36-0550.

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Raporty organizacyjne na temat "Aircraft Noise"

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Tam, Christopher. Noise of High-Performance Aircraft at Afterburner. Fort Belvoir, VA: Defense Technical Information Center, marzec 2015. http://dx.doi.org/10.21236/ada616071.

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Tam, Christopher. Noise of High-Performance Aircraft at Afterburner. Fort Belvoir, VA: Defense Technical Information Center, październik 2015. http://dx.doi.org/10.21236/ada625485.

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Tam, Christopher. Noise of High-Performance Aircraft at Afterburner. Fort Belvoir, VA: Defense Technical Information Center, lipiec 2015. http://dx.doi.org/10.21236/ada625859.

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Haubrich, Julia, Sarah Benz, Ullrich Isermann, Beat Schäffer, Rainer Schmid, Dirk Schreckenberg, Jean Marc Wunderli i Rainer Guski. Leq+X - Lärmexposition, Ereignishäufigkeiten und Belästigung: Re-Analyse von Daten zur Belästigung und Schlafstörung durch Fluglärm an deutschen und Schweizer Flughäfen. Universitätsbibliothek der Ruhr-Universität Bochum, 2020. http://dx.doi.org/10.46586/rub.164.139.

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In this study, part of the data sets from 4 large Swiss and German aircraft noise impact studies are re-analysed using logistic multi-level regression models. The aim is to investigate the assumptions that the prediction of a) the percentage of persons highly annoyed by aircraft noise or b) the percentage of persons highly sleep disturbed by aircraft noise can be improved if (i) instead of the energy-equivalent continuous noise level alone, either additional or alternative, more frequency-based aircraft noise metrics and (ii) also airport-specific characteristics are used as predictors. The results support both assumptions; both regarding the percentage of persons highly annoyed and regarding the percentage of persons highly sleep disturbed.
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Berry, B. F., i J. D. Speakman. A Prediction Model for Noise from Low-Altitude Military Aircraft. Fort Belvoir, VA: Defense Technical Information Center, marzec 1993. http://dx.doi.org/10.21236/ada262494.

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Fidell, Sanford, Nicolaas Reddinglus, Michael Harris i B. A. Kugler. Initial Development of an Assessment System for Aircraft Noise (ASAN): Software Listing. Fort Belvoir, VA: Defense Technical Information Center, czerwiec 1989. http://dx.doi.org/10.21236/ada353797.

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Fidell, Sanford, Nicolaas Reddingius, Michael Harris i Andrew B. Kugler. Noise and Sonic Boom Impact Technology. Initial Development of an Assessment System for Aircraft Noise (ASAN). Volume 1. Executive Summary. Fort Belvoir, VA: Defense Technical Information Center, czerwiec 1989. http://dx.doi.org/10.21236/ada214164.

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Plotkin, Kenneth J., Kevin W. Bradley, John A. Milino, Katrin G. Helbing i Douglas S. Fischer. The Effect of Onset Rate on Aircraft Noise Annoyance. Volume 1. Laboratory Experiments. Fort Belvoir, VA: Defense Technical Information Center, maj 1992. http://dx.doi.org/10.21236/ada289381.

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Stusnick, Eric, Kevin A. Bradley, Marcelo A. Bossi, John A. Molino i David G. Rickert. The Effect of Onset Rate on Aircraft Noise Annoyance. Volume 3. Hybrid Own-Home Experiment. Fort Belvoir, VA: Defense Technical Information Center, grudzień 1993. http://dx.doi.org/10.21236/ada388879.

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Howie, Shara, i Carrie Brugger. Providing the Air Force with Data on Species Sensitive to Noise from Low Flying Aircraft. Fort Belvoir, VA: Defense Technical Information Center, luty 2000. http://dx.doi.org/10.21236/ada377206.

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