Academic literature on the topic 'Nose cones'

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Journal articles on the topic "Nose cones"

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Narayan, Ashish, S. Narayanan, and Rakesh Kumar. "Hypersonic flow past nose cones of different geometries: a comparative study." SIMULATION 94, no. 8 (2017): 665–80. http://dx.doi.org/10.1177/0037549717733051.

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The present work provides a detailed comparative study of the hypersonic flow past spherically blunted and parabolic nose cones at a Mach number of 5.8, numerically. The main focus of the paper is to determine the geometry and parameters of the nose cones that provide minimum aerodynamic drag and heating. Studies on spherically blunted and parabolic nose cones are performed for different fineness ratios at zero angle of attack. It is observed that for fineness ratio <1.2, blunted cones provide minimum drag, whereas at higher values of fineness ratios >1.2, parabolic nose cones provide su
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Zheng, Ai Jian, Feng Niu, and Hai Jiang Zhu. "Numerical Calculation of Aerodynamic Noise for the Nose Cone Surface in High Speed Airflow Field." Applied Mechanics and Materials 488-489 (January 2014): 886–91. http://dx.doi.org/10.4028/www.scientific.net/amm.488-489.886.

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This paper presents two nose cones models and their numerical calculation of aerodynamic noise in high speed airflow field combining the analysis theory of fluid dynamics with the acoustic boundary element analysis method. The noise sound pressure levels (SPL) of these two models are calculated under the different speed airflow. And we compare the SPL of the better model with that of commercial nose cone models. These simulated results show that the aerodynamic noise of the nose cone with a ellipsoid head has lower flow-induced noise than that of commercial nose cone models at relative high ai
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Prajapati, Sheetal, Ankit Kumar Mishra, and Masetty Akshay. "Comparative Study on Nose Cones with respect to Angle of Attack using CFD." 4 1, no. 4 (2022): 7–12. http://dx.doi.org/10.46632/jame/1/4/2.

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A nose cone is the conically shaped forward most section of a rocket, guided missile or aircraft, designed to modulate oncoming airflow behaviours and minimize drag. In this paper, the authors analysed by means of a computational procedure the influence of varying the angle of attack for shapes of rocket nose cones in each of them, with this analysed and calculated the values of the, coefficient of lift and the coefficient of drag generated by our nose cones having as a working parameter in subsonic medium ranging from a Mach 0.03 to approximately 0.50, considering standard conditions for temp
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Nesterenko, Ruslan, Aleksandr Magdin, Dmitriy Kudryavcev, and Danagul' Zhanzakova. "COMPOSITE USE IN NOSE CONE DESIGNING FOR AIRCRAFTS." Bulletin of Bryansk state technical university 2021, no. 2 (2021): 13–20. http://dx.doi.org/10.30987/1999-8775-2021-2-13-20.

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The purpose of the work presented in the paper consists in the choice of radio-transparent material that can withstand loads influencing a nose cone of an aircraft during a flight. 
 In the paper there is solved a problem which consists in comparing the characteristics of different materials used in aircraft industry both common materials and composites and in the choice of the most efficient field of materials that meet the requirements of radio-transparency, strength and heat-resistance. The investigation work is carried out by means of the collection, processing and analysis of data ob
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Riyadl, Ahmad, Idris Eko Putro, Rahmat Alfi Duhri, et al. "Drag Analysis on Rocket Nose Cones for Enhanced Flight Range." International Review of Aerospace Engineering (IREASE) 16, no. 5 (2023): 198. http://dx.doi.org/10.15866/irease.v16i5.24146.

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Sequeira, Steevan Loyd, Pruthviraj Umesh, and Gangadharan K. V. "Development of Tail and Nose Cone for Underwater Vertical Profiler Using Fused Deposition Modelling Technology." International Journal of Engineering Research in Mechanical and Civil Engineering (IJERMCE) 9, no. 8 (2022): 43–47. http://dx.doi.org/10.36647/ijermce/09.08.a009.

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Unmanned underwater vehicle (UUV) research is currently a prominent and quite well-known topic for researchers from various engineering disciplines. A wide number of applications for 3D printing technologies have been explored, including robotics, automotive components, food, healthcare, space, marine, etc. This paper introduces the implementation of additive manufacturing technology (3D printing) into marine applications. The use of various 3D printing processes to create complex, cost-effective profiles have recently gained popularity to test the durability of newly designed products. The su
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Mortensen, Clifton H. "Toward an understanding of supersonic modes in boundary-layer transition for hypersonic flow over blunt cones." Journal of Fluid Mechanics 846 (May 10, 2018): 789–814. http://dx.doi.org/10.1017/jfm.2018.246.

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Realistic flight vehicles for reentry into the Earth’s atmosphere are commonly similar to blunted cones. The main reason for blunting a cone is to mitigate high heat loads at the nose. Another reason for blunting the cone is to delay boundary-layer transition. It is commonly understood that the second mode is damped in flow over a cone as the nose radius is increased. This is thought to lead to the delay in transition. Here, a blunted cone at a realistic reentry trajectory point with significant real-gas effects is studied. It is shown, using linear stability theory and direct numerical simula
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Vineet, Kumar Rathi. "Experimental and Numerical Analysis Over Power Series Nose Cone." International Journal of Innovative Technology and Exploring Engineering (IJITEE) 13, no. 3 (2024): 13–22. https://doi.org/10.35940/ijitee.C9812.13030224.

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<strong>Abstract:</strong> While designing aerospace vehicles, one of the most important factors to consider is drag. Drag force opposes the vehicle and causes it to slow down, which in turn requires more fuel to maintain flight. The vehicle nose cone plays a vital role in minimizing the drag during flight. The shape of the vehicle's body, as well as the fluid characteristics and orientation, can all have a significant impact on drag. To determine the most effective nose cone design, a study was conducted to test the aerodynamic performance of power series nose cone profiles using both experim
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Chirwa, E. C., J. Latchford, and P. Clavell. "Carbon skinned aluminium foam nose cones for high performance circuit vehicles." International Journal of Crashworthiness 8, no. 1 (2003): 107–14. http://dx.doi.org/10.1533/ijcr.2003.0209.

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Hemdan, Hamdi T. "Hypersonic flows over slender pointed-nose elliptic cones at zero incidence." Acta Astronautica 45, no. 1 (1999): 1–10. http://dx.doi.org/10.1016/s0094-5765(99)00054-5.

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Dissertations / Theses on the topic "Nose cones"

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Cochachin, Henostroza Franklin Rafael. "Noise-against-Noise Decoders : Low Precision Iterative Decoders." Thesis, Lorient, 2019. http://www.theses.fr/2019LORIS527.

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Dans cette thèse, deux décodeurs améliorés sont définis en utilisant un canal d’entrée quantifié avec seulement 3 ou 4 bits de précision pour les codes low-density parity-check (LDPC). Un algorithme de post-traitement pour les décodeurs itératifs de faible précision est également proposé. L'un des décodeurs proposés, appelé décodeur Noise-Against-Noise Min-Sum (NAN- MS), intègre une certaine quantité de perturbations aléatoires dues à une injection délibérée de bruit. L'autre des décodeurs proposés, appelé décodeur Sign-Preserving Min-Sum (SP-MS), conserve toujours le signe des messages et uti
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Zeng, Chuikuan. "Development of a new class of noise environment assessment codes." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/399984/.

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A novel linearised Navier-Stokes equations method including turbulence information is developed to simulate sound propagation especially considering the inhomogeneous medium with non-uniform flows. The emphasis is on the development of methodology and the applications to further the understanding of sound propagation in a turbulent flow. To govern the acoustic-vorticity interaction, which is important in shear flows,perturbation Reynolds stress is used to introduce the turbulent information. A linear hydrodynamic stability analysis demonstrates that the turbulence can stabilize the flow;theref
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Acker, Robert Lauren. "Determination of the nose cone shape for a large reusable liquid rocket booster." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/34027.

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Marinho, Cristóvão Araripe. "Reforma da previdência nos países do cone sul." reponame:Repositório Institucional do FGV, 2001. http://hdl.handle.net/10438/3461.

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Made available in DSpace on 2009-11-18T18:56:33Z (GMT). No. of bitstreams: 0 Previous issue date: 2001<br>O estudo da reforma da previdência social no âmbito dos países do cone Sul, que nesta dissertação está restrito ao Brasil, Argentina, Uruguai, Paraguai, Chile e Bolívia. Se coaduna com a visão geográfica surgida na esteira de uma tendência mundial de formação de blocos regionais com objetivos de defesa dos interesses dos países que os integram. O conceito de previdência social, segundo os padrões da Organização Mundial do Trabalho - OIT, abrange os programas de seguros sociais que inclu
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Stone, Jonathan. "Cones of silence, complex rays, & catastrophes : novel sources of high-frequency noise in jets." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/393737/.

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As industrial design continues to look at less conventional jet engine nozzles that produce typically asymmetric mean flows, there is now a need for completely 3D noise prediction schemes. To date, most prediction schemes have been based on extensions of the acoustic analogy given by Lighthill. The most popular, due to Lilley for a parallel shear flow, proves too restrictive when considering the flows from complicated nozzle geometries. However, a generalised acoustic analogy based on an arbitrary mean flow with prescribed nonlinear source terms remains a viable method for industrial computati
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Wang, Da S. M. Massachusetts Institute of Technology. "Distinguishing codes from noise : fundamental limits and applications to sparse communication." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/60710.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2010.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (p. 99-100).<br>This thesis investigates the problem of distinguishing codes from noise. We develop a slotted channel model where in each time slot, the channel input is either a codeword or a noise sequence. In this model, successful com
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Hu, Fangning. "Analog codes for analysis of iterative decoding and impulse noise correction." Aachen Shaker, 2008. http://d-nb.info/992964156/04.

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Tuckett, David Kingsley. "Tailoring surface codes: Improvements in quantum error correction with biased noise." Thesis, The University of Sydney, 2020. https://hdl.handle.net/2123/22132.

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For quantum computers to reach their full potential will require error correction. We study the surface code, one of the most promising quantum error correcting codes, in the context of predominantly dephasing (Z-biased) noise, as found in many quantum architectures. We find that the surface code is highly resilient to Y-biased noise, and tailor it to Z-biased noise, whilst retaining its practical features. We demonstrate ultrahigh thresholds for the tailored surface code: ~39% with a realistic bias of  = 100, and ~50% with pure Z noise, far exceeding known thresholds for the standard surface
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Mei, Zhen. "Analysis of low-density parity-check codes on impulsive noise channels." Thesis, University of Newcastle upon Tyne, 2017. http://hdl.handle.net/10443/3758.

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Communication channels can severely degrade a signal, not only due to fading effects but also interference in the form of impulsive noise. In conventional communication systems, the additive noise at the receiver is usually assumed to be Gaussian distributed. However, this assumption is not always valid and examples of non-Gaussian distributed noise include power line channels, underwater acoustic channels and manmade interference. When designing a communication system it is useful to know the theoretical performance in terms of bit-error probability (BEP) on these types of channels. However,
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Bevilacqua, Francesca. "Projection and reconstruction-based noise filtering methods in cone beam CT." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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This thesis has been motivated and developed within a collaboration project between the Department of Mathematics of the University of Bologna and the company Skanray Europe Srl. In detail, this work focuses on Cone Beam CT reconstruction of the human head, with particular interest in detecting small soft tissue elements within white and grey brain matter. This problem is expecially difficult due to the small contrast in the X-ray attenuation coefficient between the two substances to be discriminated. After accurately modelling the data acquisition process (also according to the requireme
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Books on the topic "Nose cones"

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Bivens, Arthur Clark. Of nukes and nose cones: A submarine story. Gateway Press, 1996.

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M, Price J., and United States. National Aeronautics and Space Administration., eds. Review of blunt body wake flows at hypersonic low density conditions. American Institute of Aeronautics and Astronautics, 1996.

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Center, Langley Research, ed. Application of CFD to aerothermal heating problems. National Aeronautics and Space Administration, Langley Research Center, 1986.

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Coster, Charles de. Contes brabançons: Suivi de, Le voyage de noce. Labor, 1997.

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Vogel, Nathae˜le. The Christmas bear. Scholastic Canada, 2001.

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Center, Langley Research, ed. Sonic boom propagation codes validated by flight test. National Aeronautics and Space Administration, Langley Research Center, 1996.

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Ahuja, K. K. Effects of cavity dimensions, boundary layer, and temperature on cavity noise with emphasis on benchmark data to validate computational aeroacoustic codes. Langley Research Center, 1995.

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Douglas, Boyd D., and Langley Research Center, eds. Aeroacoustic codes for rotor harmonic and BVI noise - CAMRAD.Mod1/HIRES: Methodology and users' manual. National Aeronautics and Space Administration, Langley Research Center, 1998.

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Rajpal, Sandeep. Multidimensional trellis coded phase modulation using a multilevel concatenation approach. National Aeronautics and Space Administration, 1997.

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Guerette, Charlotte. La buche de Noe˜l: Contes traditionnels du Quebec. Hurtubise HMH, 1999.

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Book chapters on the topic "Nose cones"

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Kamburoğlu, Kivanç, Saulo L. Sousa Melo, Zhimin Li, et al. "Anatomy of the Nose and Paranasal Sinuses." In Maxillofacial Cone Beam Computed Tomography. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-62061-9_12.

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Tocci, Gregory C. "Noise Control in U.S. Building Codes." In Encyclopedia of Acoustics. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470172537.ch97.

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Boucher, Delphine, and Felix Ulmer. "A Note on the Dual Codes of Module Skew Codes." In Cryptography and Coding. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25516-8_14.

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Abu-Surra, Shadi, Gianluigi Liva, and William E. Ryan. "Low-Floor Tanner Codes Via Hamming-Node or RSCC-Node Doping." In Applied Algebra, Algebraic Algorithms and Error-Correcting Codes. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11617983_24.

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Lacan, J., and E. Delpeyroux. "A note on normal bases." In Applied Algebra, Algebraic Algorithms and Error-Correcting Codes. Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/3-540-60114-7_25.

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Tabatabaei, S. Amir Hossein, and Nataša Živić. "A Review of Approximate Message Authentication Codes." In Robust Image Authentication in the Presence of Noise. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13156-6_4.

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Covrig, Alexandra, and G. Heyes. "ANIMA Noise Platform and ANIMA Methodology: One-Stop Shop for Aviation Noise Management." In Aviation Noise Impact Management. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91194-2_12.

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AbstractWhen you think about aviation noise, you might imagine an airplane taking off. When you think about decreasing aviation noise, the first thing that usually comes up in one’s mind are the new silent plane engines. This makes perfect sense, but it does not fully grasp the issue of aviation noise. The ANIMA project is based on a holistic approach to aviation noise, as it focuses on non-acoustical factors as well. Annoyance, as perceived by local communities surrounding airports, also depends on non-acoustical factors, which can be situational (time of the day, day of the week, activity pe
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Duo, Bin, Peng Zhang, Yanmei Hu, Yong Fang, Yong Jia, and Junlin Xiang. "Secure Noise-and-Forward Relaying with Polar Codes." In Lecture Notes in Electrical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6264-4_26.

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Bogdanov, Andrej, Manuel Sabin, and Prashant Nalini Vasudevan. "XOR Codes and Sparse Learning Parity with Noise." In Proceedings of the Thirtieth Annual ACM-SIAM Symposium on Discrete Algorithms. Society for Industrial and Applied Mathematics, 2019. http://dx.doi.org/10.1137/1.9781611975482.61.

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Gashi, Jonida. "Translator's Note." In Pedagogies of Disaster, translated by Jonida Gashi. punctum books, 2013. https://doi.org/10.21983/p3.0050.1.46.

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The idea of doing something with it comes early on. I will photograph the papers. Not all of them, perhaps, but at least some of them, certainly my favorite ones. As it turns out, I don’t bother printing most of the papers and the idea of photographing my com-puter screen seems imbecilic. I also remember that I am a terrible photographer who does not even have the added benefit – in my case very much needed – of a half decent camera. I think all kinds of things that I no longer remember throughout July and at the end of the month announce that when it is all over, I will be handing out awards.
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Conference papers on the topic "Nose cones"

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Alikhani, Hamidreza, Anil Kanduri, Pasi Liljeberg, Amir M. Rahmani, and Nikil Dutt. "Work-in-Progress: Context and Noise Aware Resilience for Autonomous Driving Applications." In 2024 International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS). IEEE, 2024. http://dx.doi.org/10.1109/codes-isss60120.2024.00010.

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Boddeda, Rajiv, Christian Dorize, Pierre Brochard, Haïk Mardoyan, Carina Castineiras, and Jérémie Renaudier. "Demonstration of MIMO-DFS over 100km of unamplified SSMF Link using Active Laser Drift Stabilization and Optimized Probing Codes." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.tu2k.2.

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We estimate the laser frequency noise impact on coherent sensing using Distributed Fiber Sensing model. By stabilizing the laser in the estimated frequency zone, we demonstrate reduced noise floor over 100km using optimized probing codes.
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Derksen, R. W., and J. R. Bender. "Aerodynamic shape optimization of axial flow fan nose cones." In OPTI2012. WIT Press, 2012. http://dx.doi.org/10.2495/op120101.

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Kumar, Rajan, Peruvemba Viswanath, and O. Ramesh. "Nose Bluntness for Side Force Control on Circular Cones at High Incidence." In 42nd AIAA Aerospace Sciences Meeting and Exhibit. American Institute of Aeronautics and Astronautics, 2004. http://dx.doi.org/10.2514/6.2004-37.

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Shvets, Alexandr, Mikhail Gilinsky, and Isaiah Blankson. "Wind Tunnel Results for Gas Flows Inside Axisymmetric Cavities on Cylindric Bodies with Nose Cones." In 12th AIAA International Space Planes and Hypersonic Systems and Technologies. American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.2003-7064.

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Ibanez, Oscar, Bret Van Poppel, and Rodney Bowersox. "Experimental Measurements of Thermal Loading in Ogive Nose Cones on Cylinder-Flare Geometries in Hypervelocity Flow." In AIAA SCITECH 2025 Forum. American Institute of Aeronautics and Astronautics, 2025. https://doi.org/10.2514/6.2025-0488.

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Gostelow, J. P., S. J. Garrett, A. Rona, and D. S. Adebayo. "Some Canonical Examples of Streamwise Vortex Structure for Rotating Components." In ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fedsm2014-21790.

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Nose cones, turbine blades and bearings have rotating components and represent very practical geometries for which the modal behavior of vortex structures is not completely understood. These three rather different physical cases are being studied. A common theme of competition between modes and vortex types, whether counter-rotating or co-rotating, emerges. The objective of ongoing work is to obtain physical confirmation, enhanced understanding and predictive capability for the vortex structures encountered in rotating machines.
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Hartman, Andrew, Christoph Hader, and Hermann F. Fasel. "Direct Numerical Simulations of laminar-turbulent boundary-layer transition for blunt cones at Mach 6: Effect of Varying Nose Bluntness." In AIAA AVIATION 2021 FORUM. American Institute of Aeronautics and Astronautics, 2021. http://dx.doi.org/10.2514/6.2021-2880.

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Santos Sampaio, Lívia, Rafael Bonioli Kneip, Washington Orlando Irrazabal Bohorquez, Lucas Oliveira, Kauê Oliveira, and Mel Garbelini. "IDEAL DOMAIN DIMENSIONS IN FLUID DYNAMICS COMPUTATIONAL FOR EXTERNAL FLOW ANALYSIS IN ROCKET NOSE CONES: A SYSTEMATIC REVIEW OF THE LITERATURE." In XII Congresso Nacional de Engenharia Mecânica. ABCM, 2024. http://dx.doi.org/10.26678/abcm.conem2024.con24-1194.

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Yang, X. H., S. Y. Song, L. Y. Zhang, and T. J. Lu. "Pore-Scaled Analytical Modelling of Permeability and Inertial Coefficient for Pressure Drop Prediction of Open-Cell Metallic Foams." In ASME 2016 5th International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/mnhmt2016-6457.

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Amongst various porous media, open-cell metallic foams exhibit distinctive properties: relatively low manufacturing cost, ultra-low density, moderate stiffness and strength, and high surface area-to-volume ratio. They have been, therefore, utilized in a variety of applications such as microelectronics cooling, fuel cells, and compact heat exchangers. For such applications, the knowledge of pressure drop of fluid flowing across the foam is often a key issue, enabling control of fluid flow, heat transfer enhancement, planning and designing chemical engineering processes, optimal flow analysis as
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Reports on the topic "Nose cones"

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Butler, Bryan, Tom Barse, Nahla V. Bassil, and Kim Lewers. How we came to have the 'Monocacy' hop. Hop Growers of America, 2023. http://dx.doi.org/10.32747/2023.8127202.ars.

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The popularity of local craft beers in the US is growing, as is the desire for beers made with all-local ingredients. Maryland breweries have been able to use locally grown ingredients, including hops, but have not been able to claim use of a hop native to Maryland. 'Monocacy' hop was discovered in Maryland on a farm that was part of the original Carrollton Manor, once owned by Charles Carroll, a signer of the Declaration of Independence, in what was likely a cottage garden between the house and barn. Molecular fingerprinting established it as unique and clustering with hop accessions native t
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Finn, John M. Noise in particle-in-cell codes. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1062123.

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Bonivert, W. D., J. T. Hachman, and H. A. Johnsen. An electroformed nickel-sulfur alloy for a nose cone. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/5526088.

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Lee, Michael. Generating Noise-like Communication Codes with Deep Learning. DEVCOM Army Research Laboratory, 2023. http://dx.doi.org/10.21236/ad1208800.

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Wyatt, Reis, Giovando Jeremy, and Dahl Travis. Snow-impacted National Inventory of Dams by GAGESII Watershed. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48492.

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This Engineering Research and Development Center (ERDC) Technical Note describes the development of a set of locations within the contiguous United States (CONUS) where snowmelt is a component of the annual streamflow. The locations are selected from the US Geological Survey (USGS) Geospatial Attributes of Gages for Evaluating Streamflow II (GAGESII) and National Inventory of Dams (NID) data sets. The 30-year normal snow regimes were used to identify all GAGESII watersheds that have any of the basin delineated as transitional (rain/snow), snow dominated, or perennial snow zones. NID dams that
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Mims, Haley. Concrete testing for MTC : Oxocrete™ surface treatment. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48291.

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This technical note provides an in-depth review of results for the concrete testing performed on a Materials Testing Center (MTC) project. At the request of the sponsor, Mr. Allan Shantz, this document specifically focuses on the difference in the physical and chemical properties between treated and untreated concrete cores and beams.
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Hale, Christie, Norman Abrahamson, and Yousef Bozorgnia. Probabilistic Seismic Hazard Analysis Code Verification. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2018. http://dx.doi.org/10.55461/kjzh2652.

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Over the past decade, the use of Probabilistic Seismic Hazard Analysis (PSHA) to assess seismic hazards has expanded, leading to the creation of a number of new PSHA computer codes throughout the industry. Additionally, recent seismic source and ground-motion characterization studies have led to more complex source and ground-motion models, which necessitate implementation in PSHA codes. This project was undertaken to update previous PSHA computer code verification efforts by running an expanded set of verification tests on codes currently in use for PSHA calculations. Following an announcemen
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van der Mensbrugghe, Dominique. Using Python for Parallelization. GTAP Working Paper, 2023. http://dx.doi.org/10.21642/gtap.wp93.

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This short note describes one way of taking advantage of the multiple cores on most desktop computers. It describes running one of the processes in the GTAP build procedure called ’FIT’. The input to ’FIT’ is a balanced input-output table (IOT), which is adjusted to a number of exogenous elements including aggregate domestic absorption and import and export vectors. It is run for each of the countries/regions in the build, but there is no interaction across countries/regions and thus can be run in parallel. The procedure uses a Python script to run the ’FIT’ procedure, either sequentially or i
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Chen, X., J. M. Connors, and C. H. Tong. A flexible method to calculate the distributions of discretization errors in operator-split codes with stochastic noise in problem data. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1119920.

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Jiang, Yuxiang. Unsettled Technology Areas in Electric Propulsion Systems. SAE International, 2021. http://dx.doi.org/10.4271/epr2021012.

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Electric vehicle (EV) transmission technology—crucial for battery electric vehicles (BEVs) and hybrid electric vehicles (HEVs)—is developing quickly and customers want good performance at a low cost. Single-speed gearboxes are popular in electric drive systems due to their simple and cost-effective configuration. However, multispeed gearboxes are being taken to market due to their higher low-speed torque, dynamic performance, and energy efficiency. Unsettled Technology Areas in Electric Propulsion Systems reviews the economic drivers, existing techniques, and current challenges of EV transmiss
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