Relevant bibliographies by topics / Nasal aerodynamics

Academic literature on the topic 'Nasal aerodynamics'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 May 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Contents

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Nasal aerodynamics.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "Nasal aerodynamics"

1

Kleven, M., M. C. Melaaen, M. Reimers, and P. G. Djupesland. "Computational modelling of nasal aerodynamics." Journal of Biomechanics 39 (January 2006): S271. http://dx.doi.org/10.1016/s0021-9290(06)84042-x.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Zajac, David J., Robert Mayo, Ryuta Kataoka, and James Y. Kuo. "Aerodynamic and Acoustic Characteristics of a Speaker with Turbulent Nasal Emission: A Case Report." Cleft Palate-Craniofacial Journal 33, no. 5 (September 1996): 440–44. http://dx.doi.org/10.1597/1545-1569_1996_033_0440_aaacoa_2.3.co_2.

Full text
Abstract:
Aerodynamic and acoustic characteristics were determined from the speech of an adult female with mild mental retardation and severe velopharyngeal inadequacy. The speaker's productions of /s/ were characterized by consistent nasal grimacing and turbulent air emission. Aerodynamic assessment estimated the size of the velopharyngeal orifice to exceed 200 mm2 during plosive production. Nasal cross-sectional area was estimated to be 35 mm2 during quiet breathing. Nasometric evaluation indicated nasalance of 63% associated with the “Zoo” passage. Acoustic analysis of the separately recorded oral and nasal speech signals indicated spectral energies in the region of approximately 2.5 to 7.0 kHz associated with nasal emission during /s/ production. The occurrence of these frequencies suggested an acoustic/perceptual function of the nasal grimace. Pressure-flow evidence also suggested that the nasal grimace, perhaps with lingual assistance, functioned to enhance speech aerodynamics.
APA, Harvard, Vancouver, ISO, and other styles
3

Shcherbakov, Dmitrii, Valeria Kokareva, Nikita Cheremnykh, and Aygul Shcherbakova. "Computational Aerodynamics in Nasal Septal Perforation." International Journal of Biomedicine 10, no. 1 (March 15, 2020): 82–85. http://dx.doi.org/10.21103/article10(1)_cr3.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Stoakes, Hywel M., Janet M. Fletcher, and Andrew R. Butcher. "Nasal coarticulation in Bininj Kunwok: An aerodynamic analysis." Journal of the International Phonetic Association 50, no. 3 (February 12, 2019): 305–32. http://dx.doi.org/10.1017/s0025100318000282.

Full text
Abstract:
Bininj Kunwok (BKw), a language spoken in Northern Australia, restricts the degree of anticipatory nasalization, as suggested by previous aerodynamic and acoustic analyses (Butcher 1999). The current study uses aerodynamic measurements of speech to investigate patterns of nasalization and nasal articulation in Bininj Kunwok to compare with Australian languages more generally. The role of nasal coarticulation in ensuring language compre-hensibility a key question in phonetics research today is explored. Nasal aerodynamics is measured in intervocalic, word-medial nasals in the speech of five female speakers of BKw and data are analyzed using Smoothing Spline Analysis of Variance (SSANOVA) and Functional Data Analysis averaging techniques. Results show that in a VNV sequence there is very little anticipatory vowel nasalization with no restriction on carryover nasalization for a following vowel. The maximum peak nasal flow is delayed until the oral release of a nasal for coronal articulations, indicating a delayed velum opening gesture. Patterns of anticipatory nasalization appears similar to nasal airflow in French non-nasalized vowels in oral vowel plus nasal environments (Delvaux et al. 2008). Findings show that Bininj Kunwok speakers use language specific strategies in order to limit anticipatory nasalization, enhancing place of articulation cues at a site of intonational prominence which also is also the location of the majority of place of articulation contrasts within the language. Patterns of airflow suggest enhancement and coarticulatory resistance in prosodically prominent VN and VNC sequences which we interpret as evidence of speakers maintaining a phonological contrast to enhance place of articulation cues.
APA, Harvard, Vancouver, ISO, and other styles
5

NAYEBOSSADRI, SHAHRZAD, ELDAD J. AVITAL, FARIBORZ MOTALLEBI, and GUY KENYON. "NASAL INTERNAL AND EXTERNAL AERODYNAMICS FOR HEALTHY AND BLOCKED CAVITIES." Journal of Mechanics in Medicine and Biology 18, no. 05 (August 2018): 1850050. http://dx.doi.org/10.1142/s0219519418500501.

Full text
Abstract:
Human nasal airflow in a healthy and partially blocked cavities is investigated using computational and experimental means. While previous studies focused on the flow inside the nasal cavity, this study also looks at the external air stream coming out of the nostrils. The aim is to investigate the airflow subject to partial blocking in the nasal cavity and assess the potential of using a flow visualization method to identify abnormal nasal geometry. Two methods of study are used: Computational Fluid Dynamics (CFD) and experiment based on Particle Image Velocimetry (PIV). Nasal cavity geometry is reconstructed from CT scans. The flow visualization Schileren method is also demonstrated. The computational results agree well with the previous results in terms of Nasal Resistance (NR) and character of the internal flow. Good agreement is also found in the external aerodynamics during expiration between the computational and experimental results. Several generic partial blockages are investigated to show changes in NR, turbulence energy and the air stream leaving the nostrils during expiration. Anterior blockages are found to have more profound effects on all these three aspects, but all show effects on the external air stream. A possible universal angle for the external air stream emitted by a healthy nasal cavity is discussed.
APA, Harvard, Vancouver, ISO, and other styles
6

Levine, Samuel C., Howard Levine, Gordon Jacobs, and Jerry Kasick. "A Technique to Model the Nasal Airway for Aerodynamic Study." Otolaryngology–Head and Neck Surgery 95, no. 4 (November 1986): 442–49. http://dx.doi.org/10.1177/019459988609500405.

Full text
Abstract:
This article presents a new technique for creation of a model that can be used to study the aerodynamics of the nasal airway. The model is employed to determine parameters used to calculate nasal resistance and modified to compare various types of nasal obstruction. It quantitatively compares the importance of septal deviation, turbinate size, and nasopharyngeal port size to airflow. A new parameter of nasal resistance is introduced.
APA, Harvard, Vancouver, ISO, and other styles
7

Chen, X. B., S. C. Leong, H. P. Lee, V. F. H. Chong, and D. Y. Wang. "Aerodynamic effects of inferior turbinate surgery on nasal airflow--a computational fluid dynamics model." Rhinology journal 48, no. 4 (December 1, 2010): 394–400. http://dx.doi.org/10.4193/rhino09.196.

Full text
Abstract:
BACKGROUND: Turbinate reduction surgery may be indicated for inferior turbinate enlargement when conservative treatment fails. The aim of this study was to evaluate the effects of inferior turbinate surgery on nasal aerodynamics using computational fluid dynamics (CFD) simulations. METHODS: CFD simulations were performed for the normal nose, enlarged inferior turbinate and following three surgical procedures: (1) resection of the lower third free edge of the inferior turbinate, (2) excision of the head of the inferior turbinate and (3) radical inferior turbinate resection. The models were constructed from MRI scans of a healthy human subject and a turbulent flow model was used for the numerical simulation. The consequences of the three turbinate surgeries were compared with originally healthy nasal model as well as the one with severe nasal obstruction. RESULTS: In the normal nose, the bulk of streamlines traversed the common meatus adjacent to the inferior and middle turbinate in a relatively vortex free flow. When the inferior turbinate was enlarged, the streamlines were directed superiorly at higher velocity and increased wall shear stress in the nasopharynx. Of the three surgical techniques simulated, wall shear stress and intranasal pressures achieved near-normal levels after resection of the lower third. In addition, airflow streamlines and turbulence improved although it did not return to normal conditions. As expected, radical turbinate resection resulted in intra-nasal aerodynamics of atrophic rhinitis demonstrated in previous CFD studies. CONCLUSION: There is little evidence that inspired air is appropriately conditioned following radical turbinate surgery. Partial reduction of the hypertropic turbinate results in improved nasal aerodynamics, which was most evident following resection of the lower third. The results were based on a single individual and cannot be generalised without similar studies in other subjects.
APA, Harvard, Vancouver, ISO, and other styles
8

Bezshapochniy, S. B., Iu A. Gasiuk, V. V. Loburets, and A. V. Loburets. "AERODYNAMICS OF NASAL CAVITY AND ACCESSORY SINUSES OF THE NOSE." Bulletin of Problems Biology and Medicine 4 (2018): 52. http://dx.doi.org/10.29254/2077-4214-2018-4-1-146-52-56.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Dayal, Anupriya, John S. Rhee, and Guilherme J. M. Garcia. "Impact of Middle versus Inferior Total Turbinectomy on Nasal Aerodynamics." Otolaryngology–Head and Neck Surgery 155, no. 3 (July 22, 2016): 518–25. http://dx.doi.org/10.1177/0194599816644915.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Moshkin, M. P., D. V. Petrovski, A. E. Akulov, A. V. Romashchenko, L. A. Gerlinskaya, V. L. Ganimedov, M. I. Muchnaya, et al. "Nasal aerodynamics protects brain and lung from inhaled dust in subterranean diggers, Ellobius talpinus." Proceedings of the Royal Society B: Biological Sciences 281, no. 1792 (October 7, 2014): 20140919. http://dx.doi.org/10.1098/rspb.2014.0919.

Full text
Abstract:
Inhalation of air-dispersed sub-micrometre and nano-sized particles presents a risk factor for animal and human health. Here, we show that nasal aerodynamics plays a pivotal role in the protection of the subterranean mole vole Ellobius talpinus from an increased exposure to nano-aerosols. Quantitative simulation of particle flow has shown that their deposition on the total surface of the nasal cavity is higher in the mole vole than in a terrestrial rodent Mus musculus (mouse), but lower on the olfactory epithelium. In agreement with simulation results, we found a reduced accumulation of manganese in olfactory bulbs of mole voles in comparison with mice after the inhalation of nano-sized MnCl 2 aerosols. We ruled out the possibility that this reduction is owing to a lower transportation from epithelium to brain in the mole vole as intranasal instillations of MnCl 2 solution and hydrated nanoparticles of manganese oxide MnO · (H 2 O) x revealed similar uptake rates for both species. Together, we conclude that nasal geometry contributes to the protection of brain and lung from accumulation of air-dispersed particles in mole voles.
APA, Harvard, Vancouver, ISO, and other styles
More sources

Dissertations / Theses on the topic "Nasal aerodynamics"

1

Abdelhamid, Ibrahim Younouss, and О. Г. Аврунін. "Aerodynamics Characteristics with Typical Nasal Breathing Disorders." Thesis, Кременчуцький авіаційний коледж, 2018. http://openarchive.nure.ua/handle/document/5492.

Full text
Abstract:
An enlarged nasopharyngeal tonsil, curvature of the nasal septum and chronic rhinosinusitis and other disorders causing difficulty in nasal breathing, but the violation of breathing through the nose can be in the usual runny nose, and when foreign bodies get into the nasal passages. Objective information about the physiological processes occurring in the nasal airways allows us to select a suitable treatment strategy based on functional information.
APA, Harvard, Vancouver, ISO, and other styles
2

Abdelhamid, Ibrahim Younouss, and О. Г. Аврунін. "Analysis of aerodynamic simulation of air flow modes with nasal breathing disorders." Thesis, ХНУРЕ, 2018. http://openarchive.nure.ua/handle/document/10597.

Full text
Abstract:
There is studing the most important aerodynamic processes occurring in the nasal airway specifically with breathing disorders, and to identify the most important respiratory functions of the upper respiratory system
APA, Harvard, Vancouver, ISO, and other styles
3

Mabbett, Arthur Andrew. "Aerodynamic Heating of a Hypersonic Naval Projectile Launched At Sea Level." Diss., Virginia Tech, 2007. http://hdl.handle.net/10919/77363.

Full text
Abstract:
Hypersonic flight at sea-level conditions induces severe thermal loads not seen by any other type of current hypersonic system. Appropriate design of the hypersonic round requires a solid understanding of the thermal environment. Numerous codes were obtained and assessed for their applicability to the problem under study, and outside of the GASP Conjugate Heat Transfer module, Navier-Stokes code from Aerosoft, Inc., no efficient codes are available that can model the aerodynamic heating response for a fully detailed projectile, including all subassemblies, over an entire trajectory. Although the codes obtained were not applicable to a fully detailed thermal soak analyses they were useful in providing insight into ablation effects. These initial trade studies indicated that ablation of up to 1.25 inches could be expected for a Carbon-Carbon nosetip in this flight environment. In order to capture the thermal soak effects a new methodology (BMA) was required. This methodology couples the Sandia aerodynamic heating codes with a full thermal finite element model of the desired projectile, using the finite element code ANSYS from ANSYS, Inc. Since ablation can be treated elsewhere it was not included in the BMA methodology. Various trajectories of quadrant elevations of 0.5, 10, 30, 50, and 80 degrees were analyzed to determine thermal time histories and maximum operating temperatures. All of the trajectories have the same launch condition, Mach 8 sea-level, and therefore will undergo the same initial thermal spike in temperature at the nose-tip of approximately 3,100 K (5600R). Of the five trajectories analyzed the maximum internal temperatures experienced occurred for the 50 degree quadrant elevation trajectory. This trajectory experienced temperatures in excess of 1,000 K (1800R) for more than 80% of its flight time. The BMA methodology was validated by comparisons with experiment and computational fluid solutions with an uncertainty of 10% at a cost savings of over three orders of magnitude.
Ph. D.
APA, Harvard, Vancouver, ISO, and other styles
4

Lambert, Mark A. "Evaluation of the NASA-Ames panel method (PMARC) for aerodynamic missile design." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1995. http://handle.dtic.mil/100.2/ADA304927.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Beardsley, Colton Tack. "Computational Fluid Dynamics Analysis in Support of the NASA/Virginia Tech Benchmark Experiments." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/99091.

Full text
Abstract:
Computational fluid dynamics methods have seen an increasing role in aerodynamic analysis since their first implementation. However, there are several major limitations is these methods of analysis, especially in the area of modeling separated flow. There exists a large demand for high-fidelity experimental data for turbulence modeling validation. Virginia Tech has joined NASA in a cooperative project to design and perform an experiment in the Virginia Tech Stability Wind Tunnel with the purpose of providing a benchmark set of data for the turbulence modeling community for the flow over a three-dimensional bump. This process requires thorough risk mitigation and analysis of potential flow sensitivities. The current study investigates several aspects of the experimental design through the use of several computational fluid dynamics codes. An emphasis is given to boundary condition matching and uncertainty quantification, as well as sensitivities of the flow features to Reynolds number and inflow conditions. Solutions are computed for two different RANS turbulence models, using two different finite-volume CFD codes. Boundary layer inflow parameters are studied as well as pressure and skin friction distribution on the bump surface. The shape and extent of separation are compared for the various solutions. Pressure distributions are compared to available experimental data for two different Reynolds numbers.
Master of Science
Computational fluid dynamics (CFD) methods have seen an increasing role in engineering analysis since their first implementation. However, there are several major limitations is these methods of analysis, especially in the area of modeling of several common aerodynamic phenomena such as flow separation. This motivates the need for high fidelity experimental data to be used for validating computational models. This study is meant to support the design of an experiment being cooperatively developed by NASA and Virginia Tech to provide validation data for turbulence modeling. Computational tools can be used in the experimental design process to mitigate potential experimental risks, investigate flow sensitivities, and inform decisions about instrumentation. Here, we will use CFD solutions to identify risks associated with the current experimental design and investigate their sensitivity to incoming flow conditions and Reynolds number. Numerical error estimation and uncertainty quantification is performed. A method for matching experimental inflow conditions is proposed, validated, and implemented. CFD data is also compared to experimental data. Comparisons are also made between different models and solvers.
APA, Harvard, Vancouver, ISO, and other styles
6

Demasi, Rita de Cássia Benevides. "A ditongação nasal no português brasileiro: uma análise acústico-aerodinâmica da fala." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/8/8139/tde-15032010-123909/.

Full text
Abstract:
Os estudos de caracterização acústica das vogais nasais são vastoa. Porém, há poucos estudos sobre a ditongação nasal. Este é um fenômeno que emerge da costelacao articulatória dos gestos. Isso pode ser notado a partir dos parâmetros acústicoaerodinâmicos. O objetivo desta é analisar o resultado da configuração gestual entre o movimento da língua e o gesto de abertura e fechamento do véu palatino, durante a produção dos ditongos nasais do Português Brasileiro. Mostraremos os efeitos da coarticulação no output sonoro e como ela se configura, a partir da gravação de dados acústicos e aerodinâmicos. O material foi gravado com o aparelho EVA Portátil 2. Esse permitiu que o output acústico e os dados aerodinâmicos fossem gravados concomitantes. O corpus do experimento é composto por vinte ditongos divididos em orais e nasais (dez posteriores e dez anteriores) todos dicionarizados: [p@w, s@w, m@w, k@w, t@w,p@)w), s@)w), m@)w), k@)w), t@)w), dej, sej, frej, hej, lej, te)j ), se)j ,) be)j ), a.mej), a.le)j\\) . As palavras foram inseridas na frase-veículo: Digo _____ cada dia. Essa foi repetida três vezes por seis informantes (três homens e três mulheres) falantes do dialeto Paulistano ( ). Para o controle de população foi utilizada outra frase-veículo: Digo ____ todo dia, essa foi repetida por 1.3 dos sujeitos, um de cada grupo ( ). Na inspeção visual utilizou-se o software Signal Explorer e Phonédit. Os parâmetros aerodinâmicos analisados foram: a configuração do fluxo de ar oral e nasal; a taxa máxima de nasalização e a duração do fluxo de ar nasal. Os parâmetros acústicos foram: a movimentação dos formantes; a extração de F0, F1, F2 e F3 de todos os segmentos e a duração do ditongo nasal: a vogal, o glide e o apêndice nasal. A Média, o Desvio Padrão e o teste ANOVA foram feitos no Excel. Os gráficos de dispersão dos formantes foram feito no Formant Explorer. Assim, notou-se uma variação nos valores da taxa de nasalização, p > 0,5, entre a variante sexo. Nas mulheres as frequências dos formantes são mais elevadas e a dispersão dos valores do glide nasal é mais evidenciada do que nos homens. As alterações remetem as diferenças fisiológicas entre os grupos. A taxa máxima de ar nasal variou significativamente, p > 0,5, se comparado os ditongos nasais: anteriores > posteriores. Acusticamente, a transição dos formantes é dependente do contexto silábico. O mesmo não acontece com o traçado do fluxo de ar nasal, que mantém o padrão de contorno, independente da articulação silábica. Concluí-se que há um padrão aerodinâmico relativo à sincronia do movimento do véu e da língua, gerando três fases acústicas distintas: vogal nasal, glide nasal e apêndice nasal. O contorno da trajetória padrão do fluxo de ar nasal, em 87% dos casos, apresentou três fases distintas: a primeira plana; a segunda, um pico acentuado; e a terceira, uma queda abrupta. Assim, concluímos que os ditongos nasais têm uma dinâmica articulatória, acústica e aerodinâmica diferente dos não-nasalizados e que a adequação do controle das variáveis do sistema fonético-fonológico e do o conjunto de articulações, que geram uma única percepção.
There are several studies that characterize the nasal vowels. However, there are few studies about the nasal diphthongation. This phenomenon emerges from the articulatory gestures constellation. This can be noted by analyzing of the acousticaerodynamics parameters. The aim of this work is study the gesture configuration between the thong movement and the velum aperture during the nasal diphthongs production of the Brazilian Portuguese. We will show the effects of the coarticulation in the output and how it sets up in the acoustic and aerodynamic data. The data was recorded by the device EVA Portable 2. Thus, the airflow and the acoustic output were collected concomitantly. The corpus of this experiment was covered by ten oral and ten nasal diphthongs, between ten back and ten front:[p@w, s@w, m@w, k@w, t@w,p@)w), s@)w), m@)w), k@)w), t@)w), dej, sej, frej, hej, lej, te)j ), se)j ,) be)j ), a.mej), a. le)j)\\. These words are dictionaries. They were inserted in the carry-sentence [dZi.gU__ ka.d5 dZi5] and were repeated three times, by six subjects (three men and three women); all of them are Paulistano Dialects speakers. This resulted in 360 tokens (3 × 6 × 20). The carry-sentence of the populational control was [dZi.gU__ to.dT dZi5]. This was repeated by 1/3 of the subjects. This resulted in 120 tokens (3 × 2 × 20 ). The diphthong was analyzed by Signal Explorer and Phonédit. The aerodynamic parameters studied were: the nasal and oral airflow shape; the peak of nasalization and the duration of nasal airflow. The acoustic parameters analyzed were: the movement and the configuration of the formants; the values of F0, F1, F2 and F3 were extracted of all segments; the nasal diphthongs duration in the vowel, the glide and the nasal appendix. The Average, Pattern Deviation and ANOVA were done by Excel. The dispersion graphics were made by Formant Explorer. As a result we noticed that the formants movements dependent on syllabic context. The womens formants had different values of males. The degree of the dispersion of hers was higher than him. This was showed more evident in the nasal glides. This reflects the physiological differences between the groups. The nasal airflow peak variation was p> 0,5 among the sex variant. The rate of nasal airflow of the back has more volume than front, dp > 0,5. The same does not happen with the nasal airflow shape. The shape pattern is independent of syllabic articulation, but the rate of nasalization depends of the articulation. We concluded that there is an aerodynamic pattern that is resulted of the thong movement and velum aperture. This product three distinct acoustic phases: vowel nasalization, glide nasal and the nasal appendix. By the aerodynamic view, in 87% of cases, the pattern shape of the nasal airflow represents three distinct phases: the first is sharp; the second is a peak; and last part is a drop line. Thus, we concluded that the nasal diphthongs have articulatory, acoustic and aerodynamic patters different from the non-nasalized segment. These reflect the adequacy of the control of variables of phonetic-phonological system and the set of these characteristics creates a single perception.
APA, Harvard, Vancouver, ISO, and other styles
7

Allampalli, Vasanth. "Fourth order Multi-Time-Stepping Adams-Bashforth (MTSAB) scheme for NASA Glenn Research Center's Broadband Aeroacoustic Stator Simulation (BASS) Code." Toledo, Ohio : University of Toledo, 2010. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=toledo1270739741.

Full text
Abstract:
Dissertation (Ph.D.)--University of Toledo, 2010.
Typescript. "Submitted to the Graduate Faculty as partial fulfillment of the requirements for the Doctor of Philosophy Degree in Engineering." "A dissertation entitled"--at head of title. Title from title page of PDF document. Bibliography: p. 152-156.
APA, Harvard, Vancouver, ISO, and other styles
8

Brown, T. Gordon, Timothy Vong, and Ben Topper. "CALCULATING AERODYNAMIC COEFFICIENTS FOR A NASA APOLLO BODY USING TELEMETRY DATA FROM FREE FLIGHT RANGE TESTING." International Foundation for Telemetering, 2007. http://hdl.handle.net/10150/604263.

Full text
Abstract:
ITC/USA 2007 Conference Proceedings / The Forty-Third Annual International Telemetering Conference and Technical Exhibition / October 22-25, 2007 / Riviera Hotel & Convention Center, Las Vegas, Nevada
The U.S. Army Research Laboratory (ARL) was requested by the National Aeronautics and Space Administration (NASA) Langley Research Center (LaRC) to perform a free-flight experiment with a telemetry (TM) instrumented sub-scaled Apollo shaped reentry vehicle in order to determine its aerodynamic coefficients. ARL has developed a unique flight diagnostic capability for reconstructing flight trajectory and determining aerodynamic coefficients of projectiles by using sensor data telemetered from free flight experiments. A custom launch package was designed for this experiment that included the Apollo shaped projectile, which housed a modular telemetry unit, and a rapid prototyped sabot. The experiment was able to produce estimates for aerodynamic coefficients that were considered accurate and this technique is appealing to NASA for the development of their spacecraft in the future.
APA, Harvard, Vancouver, ISO, and other styles
9

Kumar, Sandeep. "Non-AXisymmetric Aerodynamic Design-Optimization System with Application for Distortion Tolerant Hybrid Propulsion." University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1613749886763596.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Storm, Travis M. "Assessing the v2-f Turbulence Models for Circulation Control Applications." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/283.

Full text
Abstract:
In recent years, airports have experienced increasing airport congestion, partially due to the hub-and-spoke model on which airline operations are based. Current airline operations utilize large airports, focusing traffic to a small number of airports. One way to relieve such congestion is to transition to a more accessible and efficient point-to-point operation, which utilizes a large web of smaller airports. This expansion to regional airports propagates the need for next-generation low-noise aircraft with short take-off and landing capabilities. NASA has attacked this problem with a high-lift, low-noise concept dubbed the Cruise Efficient Short Take-Off and Landing (CESTOL) aircraft. The goal of the CESTOL project is to produce aircraft designs that can further expand the air travel industry to currently untapped regional airports. One method of obtaining a large lifting capability with low noise production is to utilize circulation control (CC) technology. CC is an active flow control approach that makes use of the Coanda effect. A high speed jet of air is blown over a wing flap and/or the leading edge of the wing, which entrains the freestream flow and effectively increases circulation around the wing. A promising tool for predicting CESTOL aircraft performance is computational fluid dynamics (CFD,) due to the relatively low cost and easy implementation in the design process. However, the unique flows that CC introduces are not well understood, and traditional turbulence modeling does not correctly resolve these complex flows (including high speed jet flow, complex shear flows and mixing phenomena, streamline curvature, and other challenging flow phenomena). The recent derivation of the v2-f turbulence model shows theoretical promise in increasing the accuracy of CFD predictions for CC flows, but this has not yet been assessed in great detail. This paper presents a methodical verification of several variations on the v2-f turbulence model. These models are verified using simple, well-understood flows. Results for CC flows are compared to those obtained with more traditional turbulence modeling techniques (including the Spalart-Allmaras, k-ε, and k-ω turbulence models). Wherever possible, computed results are compared to experimental data and more accurate numerical methods. Results indicate that the v2-f turbulence models predict some aspects of circulation control flow fields quite well, in particular the lift coefficient. The linear v2-f, nonlinear v2-f, and nonlinear v2-f-cc turbulence models have generated lift coefficients within 19%, 14%, and -26%, respectively of experimental values, whereas the Spalart-Allmaras, k-ε, and k-ω turbulence models produce errors as high as 85%, 36%, and 39%, respectively. The predicted stagnation points and pressure coefficient distributions match experimental data roughly as well as standard turbulence models do, though the modeling of these aspects of the flow do show some room for improvement. The nonlinear v2-f-cc turbulence model shows very non-physical skin friction coefficient profiles, pressure coefficient profiles, and stagnation points, indicating that the streamline curvature correction terms need attention. Regardless of the source of the discrepancies, the v2-f turbulence models show promise in the modeling of circulation control flow fields, but are not quite ready for application in the design of circulation control aircraft.
APA, Harvard, Vancouver, ISO, and other styles
More sources

Books on the topic "Nasal aerodynamics"

1

Aerodynamics for naval aviators. Renton, Wash: Aviation Supplies & Academics, 1992.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
2

Hurt, Hugh H. Aerodynamics for naval aviators. New York: Skyhorse Pub., 2012.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
3

Wallace, Lane E. Nose up: High angle-of-attack and thrust vectoring research at NASA Dryden, 1979-2001. Washington, D.C: National Aeronautics and Space Administration, NASA History Office, 2004.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
4

Materials, United States Congress House Committee on Armed Services Subcommittee on Seapower and Strategic and Critical. Ship survivability: Hearings before the Seapower and Strategic and Critical Materials Subcommittee of the Committee on Armed Services, House of Representatives, One Hundredth Congress, first and second sessions, hearings held October 15, 1987 and March 15, 1988. Washington: U.S. G.P.O., 1988.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
5

United States. Congress. House. Committee on Armed Services. Subcommittee on Seapower and Strategic and Critical Materials. Ship survivability: Hearings before the Seapower and Strategic and Critical Materials Subcommittee of the Committee on Armed Services, House of Representatives, One Hundredth Congress, first and second sessions, hearings held October 15, 1987 and March 15, 1988. Washington: U.S. G.P.O., 1988.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
6

Arrighi, Robert S. PSL: The Propulsion Systems Laboratory, No. 1 & 2. Washington, DC: National Aeronautics and Space Administration, NASA History Division, Office of External Relations, 2012.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
7

Martinez, Michal Temkin, and Vanessa Rosenbaum. Acoustic and Aerodynamic Data on Somali Chizigula Stops. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190256340.003.0018.

Full text
Abstract:
Somali Chizigula (G311; xma; also Mushungulu) is an endangered language spoken in Somalia and by Somali-Bantu refugees abroad. The Somali-Bantu are descendants of Tanzanian Kizigua (G31; ziw) speakers who have been estranged from their homeland since the 18th century. Little is known of the Somali variety, and literature on the Tanzanian variety is mostly limited to its tonology. This chapter reports acoustic and aerodynamic data collected to accurately describe stops in Somali Chizigula. Findings include a contrast between voiced aspirated plosives and implosives, as well as the complete devoicing of the nasal portion of the voiceless prenasalized stop. However, aerodynamic data confirm nasal airflow during the nasal, leading to our assessment of the current state of prenasalized stops in the language as not having undergone effacement, as in other Bantu languages.
APA, Harvard, Vancouver, ISO, and other styles
8

Aerodynamics for Naval Aviators: NAVWEPS 00-80T-80. Skyhorse Publishing Company, Incorporated, 2012.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
9

Center, Langley Research, ed. A review of 50 years of aerodynamic research with NACA/NASA. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1994.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
10

Center, Langley Research, ed. A review of 50 years of aerodynamic research with NACA/NASA. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1994.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
More sources

Book chapters on the topic "Nasal aerodynamics"

1

Zhao, Kai, and Richard E. Frye. "Nasal Patency and the Aerodynamics of Nasal Airflow in Relation to Olfactory Function." In Handbook of Olfaction and Gustation, 353–74. Hoboken, NJ, USA: John Wiley & Sons, Inc, 2015. http://dx.doi.org/10.1002/9781118971758.ch16.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Lele, Sanjiva K., Parviz Moin, Tim Colonius, and Brian Mitchell. "Direct Computation of Aerodynamic Noise." In ICASE/NASA LaRC Series, 325–34. New York, NY: Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4613-8342-0_20.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Kambe, T. "Observed and Computed Waves of Aerodynamic Sound." In ICASE/NASA LaRC Series, 229–44. New York, NY: Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4613-8342-0_14.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Batina, John T. "CFD Methods Development Considerations for Unsteady Aerodynamic Analysis." In ICASE/NASA LaRC Series, 373–403. New York, NY: Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4613-8342-0_23.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

SenGupta, Gautam. "Application of a CFD Code for Unsteady Transonic Aerodynamics to Problems in Aeroacoustics." In ICASE/NASA LaRC Series, 481–95. New York, NY: Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4613-8342-0_28.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Saied, Husham Farouk Ismail, Ahmad Khaleed Al_Omari, and Olig Grigorovitsh Avrunin. "An Attempt of the Determination of Aerodynamic Characteristics of Nasal Airways." In Advances in Intelligent and Soft Computing, 311–22. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23154-4_35.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Kutler, Paul. "Computational Fluid Dynamics at NASA Ames Research Center." In Numerical and Physical Aspects of Aerodynamic Flows IV, 127–39. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-662-02643-4_8.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Sarı, Sarih, Ali Dogrul, and Seyfettin Bayraktar. "The Aerodynamic Wind Loads of a Naval Surface Combatant in Model Scale." In Lecture Notes in Networks and Systems, 68–76. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-05230-9_7.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Satran, Dale. "An Experimental Study of the Generic Conventional Model (GCM) in the NASA Ames 7-by-10-Foot Wind Tunnel." In The Aerodynamics of Heavy Vehicles: Trucks, Buses, and Trains, 171. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-44419-0_18.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Frye, Richard. "Nasal Patency and the Aerodynamics of Nasal Airflow." In Handbook of Olfaction and Gustation. CRC Press, 2003. http://dx.doi.org/10.1201/9780203911457.ch21.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "Nasal aerodynamics"

1

Coton, Frank N., Tongguang Wang, and Roderick A. McD Galbraith. "An Examination of Key Aerodynamic Modeling Issues Raised by the NREL Blind Comparison." In ASME 2002 Wind Energy Symposium. ASMEDC, 2002. http://dx.doi.org/10.1115/wind2002-38.

Full text
Abstract:
This paper describes some recent work undertaken in the aftermath of the ‘blind comparison’ with the NREL Unsteady Aerodynamics Experimental data collected in the NASA Ames wind tunnel. The data set collected in the NASA Ames tunnel represents a unique opportunity for aerodynamic modelers to enhance the capability of prediction schemes by comparison with ‘clean’ aerodynamic data. In this paper, the sensitivity of the results predicted by the Glasgow University prescribed wake model (HAWTDAWG) to a range of parameters including the blade section aerodynamic data is examined with reference to the measured data. In addition, specific modeling considerations highlighted by the measured data set are also discussed.
APA, Harvard, Vancouver, ISO, and other styles
2

STRACK, W. C. "Overview of the NASA-Sponsored HSCT Propulsion System Studies." In 9th Applied Aerodynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1991. http://dx.doi.org/10.2514/6.1991-3329.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Payne, F., G. Wyatt, D. Bogue, and R. Stoner. "High Reynolds number studies of a Boeing 777-200 high lift configuration in the NASA ARC 12-ft pressure tunnel and NASA LaRC National Transonic Facility." In 18th Applied Aerodynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2000. http://dx.doi.org/10.2514/6.2000-4220.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Rivers, Melissa, and Ashley Dittberner. "Experimental Investigations of the NASA Common Research Model (Invited)." In 28th AIAA Applied Aerodynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-4218.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

DILLON, J., A. SCHULTZ, and R. TRIMPI. "The NASA-Langley 20-inch supersonic wind tunnel." In 14th Aerodynamic Testing Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1986. http://dx.doi.org/10.2514/6.1986-765.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Du, Pan, and Ramesh K. Agarwal. "Numerical Drag Prediction of NASA Common Research Models Using Different Turbulence Models." In 2018 Applied Aerodynamics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-3812.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Rumsey, Christopher, and Elizabeth Lee-Rausch. "NASA Trapezoidal Wing Computations Including Transition and Advanced Turbulence Modeling." In 30th AIAA Applied Aerodynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-2843.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Graves, Timothy, Brian Hardy, Randall Williams, Shannon McCall, and Matthew Eby. "Light Gas Gun Impact Testing for the NASA Space Shuttle." In 26th AIAA Applied Aerodynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2008. http://dx.doi.org/10.2514/6.2008-6915.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Bartels, Robert E., Pawel Chwalowski, Christie Funk, Jennifer Heeg, Jiyoung Hur, Mark D. Sanetrik, Robert C. Scott, Walter A. Silva, Bret Stanford, and Carol D. Wieseman. "Ongoing Fixed Wing Research within the NASA Langley Aeroelasticity Branch." In 33rd AIAA Applied Aerodynamics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2015. http://dx.doi.org/10.2514/6.2015-2719.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Konig, Benedikt, Deepali Singh, Ehab Fares, and Martin Wright. "Transonic Lattice Boltzmann Simulations of the NASA-CRM in the European Transonic Windtunnel." In 2018 Applied Aerodynamics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-3171.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Reports on the topic "Nasal aerodynamics"

1

Haas, David J., and Eric J. Silberg. Birth of U.S. Naval Aeronautics and the Navy's Aerodynamics Laboratory. Fort Belvoir, VA: Defense Technical Information Center, December 2011. http://dx.doi.org/10.21236/ada558167.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Simms, D., S. Schreck, M. Hand, and L. J. Fingersh. NREL Unsteady Aerodynamics Experiment in the NASA-Ames Wind Tunnel: A Comparison of Predictions to Measurements. Office of Scientific and Technical Information (OSTI), June 2001. http://dx.doi.org/10.2172/783409.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Simms, D., S. Schreck, M. Hand, L. Fingersh, J. Cotrell, K. Pierce, and M. Robinson. Plans for Testing the NREL Unsteady Aerodynamics Experiment 10m Diameter HAWT in the NASA Ames Wind Tunnel: Minutes, Conclusions, and Revised Text Matrix from the 1st Science Panel Meeting. Office of Scientific and Technical Information (OSTI), August 2000. http://dx.doi.org/10.2172/763620.

Full text
APA, Harvard, Vancouver, ISO, and other styles
You might also be interested in the extended bibliographies on the topic 'Nasal aerodynamics' for particular source types:
Journal articles Dissertations / Theses Books
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography