Добірка наукової літератури з теми "Spline grooves"

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Статті в журналах з теми "Spline grooves"

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Kozlov, V. B., A. B. Istomin, and I. N. Gemba. "Repair and restoration of shafts, couplings, splined and keyed joints." Glavnyj mekhanik (Chief Mechanic), no. 7 (June 11, 2021): 32–42. http://dx.doi.org/10.33920/pro-2-2107-03.

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Анотація:
The article provides an overview of the methods of restoration and repair of various parts of the equipment: shafts, couplings, splined and keyed joints. Recommendations on the choice of methods, equipment and tools are given. In case of wear, the keyway is repaired by welding the face with subsequent milling. At the same time, the keyway size set by the standard is maintained. Such repairs are also possible: the keyway is expanded and deepened, completely eliminating the traces of wear, after which a stepped key is made to it. However, with such repairs, a high-quality connection is not provi
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Shrinivas, Vijay, and Thillairajan Arumugam. "Failure Analysis of AISI H13 Shafts Used in Twin Screw Extruders during Fluoropolymer Compounding." Solid State Phenomena 345 (July 28, 2023): 193–99. http://dx.doi.org/10.4028/p-2j16od.

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AISI H13 material finds wide use as screw shafts and screw elements in Twin Screw Extruders for Polymer Compounding applications owing to its high strength, excellent thermal shock resistance, high wear resistance and good fatigue strength. However, two AISI H13 shafts used in the Twin Screw Extruder supplied for fluoropolymer application experienced breakage after two years of service. Visual examination of broken shafts revealed deposits of processing material, rust marks and grooves at multiple locations on the shaft spline at the element to element butting zone. The location of breakage of
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Ohrimenko, Oleksandr, Julia Glavcheva, Olena Starchenko, Vitaly Fedorenko, and Hong Fu. "FEATURES OF EXISTING CONSTRUCTION TYPES OF CONNECTIONS FOR TORQUE TRANSMISSION." Bulletin of the National technical university "Kharkiv Polytechnic Institute" Series: Techniques in a machine industry, no. 1(7) (September 20, 2023): 22–28. http://dx.doi.org/10.20998/2079-004x.2023.1(7).03.

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Анотація:
The main goal of modern mechanical engineering is the production of high-quality products with minimal capital investments and as little time as possible, which at the same time is accompanied by a constant increase in the complexity of the geometric shapes of parts and their accuracy, high requirements for mating surfaces and their properties, the performance of assembly products and their operating conditions. Elements of splined and splined joints make up a significant share of machine-building products among a wide variety of other products. There is a significant group of plug connections
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Chen, Junying, Boxuan Wang, Xiuyu Chen, et al. "A Micro-Topography Measurement and Compensation Method for the Key Component Surface Based on White-Light Interferometry." Sensors 23, no. 19 (2023): 8307. http://dx.doi.org/10.3390/s23198307.

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Анотація:
The grinding grooves of material removal machining and the residues of a machining tool on the key component surface cause surface stress concentration. Thus, it is critical to carry out precise measurements on the key component surface to evaluate the stress concentration. Based on white-light interferometry (WLI), we studied the measurement distortion caused by the reflected light from the steep side of the grinding groove being unable to return to the optical system for imaging. A threshold value was set to eliminate the distorted measurement points, and the cubic spline algorithm was used
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Tian, Zaihao, Jin-Kui Ma, Lu Changhou, and Shu-Jiang Chen. "Optimization of texture geometry for a rotating ring to maximum load-carrying capacity." Industrial Lubrication and Tribology 71, no. 5 (2019): 657–63. http://dx.doi.org/10.1108/ilt-01-2019-0028.

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Purpose The purpose of this paper is to maximize the load-carrying capacity (LCC) of a rotating ring, a numerical model optimizing both the surface and bottom shape of its surface textures is proposed. Design/methodology/approach The Reynolds equation is used to evaluate the film pressure and LCC obtained by integrating the film pressure is set as the objective function. Around the center of the computational domain, radial lines with an equal angle between adjacent ones are produced and the surface contour of textures is obtained by connecting the endpoints using a spline curve. The bottom pr
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Zhang, Yi, Shaojie Wu, and Fangjie Cheng. "Automatic Adaptive Weld Seam Width Control Method for Long-Distance Pipeline Ring Welds." Sensors 25, no. 8 (2025): 2483. https://doi.org/10.3390/s25082483.

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In pipeline all-position welding processes, laser scanning provides critical geometric data of width-changing bevel morphology for welding torch swing control, yet conventional second-order derivative zero methods often yield pseudo-inflection points in practical applications. To address this, a third-order derivative weighted average threshold algorithm was developed, integrating image denoising, enhancement, and segmentation pre-processing with cubic spline fitting for precise bevel contour reconstruction. Bevel pixel points were captured by the laser sensor as inputs through the extracted s
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Trung, Do Duc, and Le Dang Ha. "Research on selection of abrasive grain size and cutting parameters when grinding of interrupted surface using aluminum oxide grinding wheel with ceramic binder." EUREKA: Physics and Engineering, no. 1 (January 10, 2022): 93–102. http://dx.doi.org/10.21303/2461-4262.2022.002058.

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In this article, a study on intermittent surface grinding using aluminum oxide grinding wheel with ceramic binder is presented. The testing material is 20XH3A steel (GOST standard – Russian Federation). The testing sample has been sawn 6 grooves, with the width of each groove of 10 mm, the grooves are evenly distributed on the circumference of sample. The testing sample resembles a splined shaft. An experimental matrix of nine experiments has been built by Taguchi method, in which abrasive grain size, workpiece speed, feed rate and depth of cut were selected as input variables. At each experim
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Trung, Do Duc, and Le Dang Ha. "Research on selection of abrasive grain size and cutting parameters when grinding of interrupted surface using aluminum oxide grinding wheel with ceramic binder." EUREKA: Physics and Engineering, no. 1 (January 10, 2022): 93–102. https://doi.org/10.21303/2461-4262.2022.002058.

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Анотація:
In this article, a study on intermittent surface grinding using aluminum oxide grinding wheel with ceramic binder is presented. The testing material is 20XH3A steel (GOST standard – Russian Federation). The testing sample has been sawn 6 grooves, with the width of each groove of 10 mm, the grooves are evenly distributed on the circumference of sample. The testing sample resembles a splined shaft. An experimental matrix of nine experiments has been built by Taguchi method, in which abrasive grain size, workpiece speed, feed rate and depth of cut were selected as input variables. At each experim
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Shaw, Sean M., Kimberly Stillmaker, and Amit M. Kanvinde. "Seismic Response of Partial-Joint-Penetration Welded Column Splices in Moment-Resisting Frames." Engineering Journal 52, no. 2 (2015): 87–108. http://dx.doi.org/10.62913/engj.v52i2.1082.

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Анотація:
Current standards require that welded column splice connections in special or intermediate moment resisting frames (SMRFs or IMRFs) feature complete-joint-penetration (CJP) groove welds to develop the full flexural strength of the column. CJP welds are often costly, requiring additional material, inspection and labor. Compared to beam-to-column connections, column splices have modest deformation demands. This suggests that perhaps with modern, toughness-rated weld filler materials and welding practices, PJP welded splices may offer acceptable performance under seismic loads. A study featuring
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Lyashuk, O., Y. Pyndus, I. Lutsiv, et al. "Fracture cause analysis of the extruder’s shaft and geometry optimization of the spline." Journal of Mechanical Engineering and Sciences 13, no. 1 (2019): 4449–60. http://dx.doi.org/10.15282/jmes.13.1.2019.08.0378.

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The article is devoted to increasing of the durability of technological equipment elements, forecasting of the resource and diagnostics of failures of the technical system. The basic regularities are analyzed and causes of the failure of the extruder’s working body shaft are determined. For torque values M = 40.74 - 64.37 N·m and of the extruder’s working body shaft, the stress-strain state of the contact surfaces of the keyhole of the extruder’s shaft is calculated by the method of three-dimensional finite element modelling. The maximum values of the stress intensity σint(max), which arise on
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Дисертації з теми "Spline grooves"

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Залога, Вільям Олександрович, Вильям Александрович Залога, Viliam Oleksandrovych Zaloha, П. В. Рибалка та О. Д. Пирогов. "Про перспективи підвищення точності обробки отворів з глухими шпонковими пазами". Thesis, Сумський державний університет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/38131.

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У машинобудуванні існує широка номенклатура деталей з шліцевими та шпонковими з’єднаннями. Наприклад, для насособудування характерними прикладами є: робочі колеса (РК), диски розгрузочні, напівмуфти, втулки дистанційні тощо. В процесі обробки шпонкових та шліцевих пазів (ШП) можуть виникати такі відхилення форми та розмірів отворів, які в подальшому спричиняють труднощі у забезпеченні необхідної точності відповідних складальних одиниць, наприклад, роторів відцентрових насосів (ВН) або компресорів (ВК), що у багатьох випадках може супроводжуватися як неможливістю складання тієї або іншої машини
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Wild, Markus. "Stratégies comportementales saisonnières : analyse technologique de bois de cervidé du Paléolithique supérieur récent en Allemagne du nord, en Scandinavie, et dans le Bassin parisien." Thesis, Paris 1, 2019. http://www.theses.fr/2019PA01H025.

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La présente étude porte sur le comportement socio-économique de chasseurs-cueilleurs du Paléolithique supérieur récent en Europe du Nord-Ouest avant l'austère saison hivernale et tente de réévaluer la relation entre deux des entités importantes de cette période, le Hambourgien et le Magdalénien final. L'approche choisie dans cette étude est une analyse technologique de séries sélectionnées de bois de renne hambourgiennes et magdaléniennes provenant d'Europe du Nord-Ouest<br>The present study deals with the socio-economic behaviour of Late Upper Palaeolithic hunter-gatherers before the austere
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Крук, Володимир Васильович, та V. V. Kruck. "Технологічне забезпечення виготовлення зовнішніх напівкруглих шліцьових канавок валів та направляючих". Thesis, Тернопільський національний технічний університет ім. Івана Пулю, 2010. http://elartu.tstu.edu.ua/handle/123456789/595.

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Захист відбувся “ 9 ” грудня 2010 р. о 1000 годині на засіданні спеціалізованої вченої ради К 58.052.03 у Тернопільському національному технічному університеті імені Івана Пулюя за адресою: 46001, м. Тернопіль, вул. Руська 56. З дисертацією можна ознайомитись в бібліотеці Тернопільського національного технічного університету імені Івана Пулюя за адресою: 46001, м. Тернопіль, вул. Руська 56.<br>Робота присвячена розробленню технології виготовлення напівкруглих шліцьових канавок шліцьових валів та направляючих систем лінійного переміщення і рейкових направляючих. Обґрунтовано вибрану схему
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Vykopal, Petr. "Elektronicky komutovaný stroj." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217636.

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The main idea that lead to the development of EC (electronic commutation) motors is to remove from commutation motors, called DC (direct current) motors, the mechanical commutation system i.e. the cylinder brushes and the commutator that limits in most of the applications the longevity of direct current motors. The commutator is the source of electromagnetic interference and it limits the motor speed. At the same time it is required to keep the outstanding features of DC motors, mainly the multiple overload capacity, high starting torque, low time constant and small dimensions. Thesis introduc
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Частини книг з теми "Spline grooves"

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"Groove-and-Splinter Technique." In Encyclopedic Dictionary of Archaeology. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-58292-0_70386.

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Bolden, Tony. "Groove Theory." In Groove Theory. University Press of Mississippi, 2020. http://dx.doi.org/10.14325/mississippi/9781496830524.003.0002.

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This chapter explains the meaning of funk as a concept and introduces readers to salient precepts and characteristics. The chief argument is that (a) the phenomenon known as the funk/spirit—or, more simply, the funk—operates as a distinct form of black vernacular epistemology, and that (b) funk comprises the secular counterpart of “the spirit”—what Albert Murray calls “paroxysms of ecstasy”—in black church worship. This sensation, which is usually generated by the interplay between motion and emotion, has been a vital aspect of the production of knowledge in music-making within African America
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Thomson, Peter. "The Earth Splits, Water Rushes In." In Sacred Sea. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780195170511.003.0010.

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Siberia is huge, but it isn’t greedy. Of all the colors in the universe’s paint box, it asks for only a few shades of green to have its massive portrait painted. The picture starts with a ragged band of soft sage, the treeless tundra of the Arctic and subarctic. Through the middle, a thick swath of deep emerald, the taiga forest that stretches from the Pacific to the Urals and beyond to Scandinavia. Finally, in the far lower left corner, a wedge of soft yellowish green, Siberia’s share of the fertile Eurasian steppe. From a distance, this rough canvas is a study in chlorophyll, with just a sin
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Schram, Frederick R., and Stefan Koenemann. "Pygocephalomorpha." In Evolution and Phylogeny of Pancrustacea. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780195365764.003.0027.

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Pygocephalomorpha have been long known as characteristic fossils of the Carboniferous. They were long thought to be macrurous decapods, until Karl Beurlen placed them in their own order. Although they might look like clawless crayfish, their biramous limbs, male cones on the eighth thoracic sternite, and possession of oöstegites show clear affinities to Peracarida. Their tail fan bearing one or two pairs of lobes and a single terminal lobe mark them as unique. Most Pygocephalidae are characterized by branchiostegal serrations, anterolateral spines, and gastric spines on the carapace; a carapac
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Lauter, Paul. "Society and the Profession, 1958–83." In Canons and Contexts. Oxford University Press, 1991. http://dx.doi.org/10.1093/oso/9780195055931.003.0006.

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When I was asked to write about the impact of society on our profession over the last twenty-five years, it occurred to me that the period also measures my own lifetime as a professional. I took up full-time teaching in 1957, the year before I received my doctorate. I gave my first paper at a Modern Language Association convention around that time, participated in producing two sons, and published my first article. I left one job, joined in antinuke, anti-ROTC, and prounion activities, and got fired from the second job. I remember complaining to my graduate school director, en route to a third
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Тези доповідей конференцій з теми "Spline grooves"

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Nanno, Hideyuki, Hiroki Nishida, Hiroyuki Deguchi, and Masataka Ohira. "Multi-Band 7.1/8.5/20/30-GHz Horn Antenna with Spline-Taper and Coaxial-Groove Walls." In 2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI). IEEE, 2024. http://dx.doi.org/10.1109/ap-s/inc-usnc-ursi52054.2024.10686510.

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Verma, Ajay Kumar, and Parveen Kumar Saini. "Analysis of Vibration Model to Study the Effect of Defect Sizes and Load on Stiffness, Contact Deformation, and Contact Force Variation in Deep Groove Ball Bearing." In 2024 8th International Conference on Materials Engineering and Nano Sciences & 2024 8th International Conference on Material Engineering and Manufacturing. Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-3oxxvp.

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In this paper, the vibration model has been suggested to study the local defects in the deep groove ball-bearing system. MATLAB is used to solve the equations governing the bearing system to simulate its vibration signals. The vibration model of the deep groove ball bearing system is constructed and takes into account the masses of the housing, balls, races, and shaft in addition to the damping at the ball-race interface and different-sized race defects. The effect of different defect sizes on the measured load distribution has been analyzed and discussed. The contact deformation and load dist
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3

Henson, Jonathan, Richard Dolan, Gareth Thomas, and Christos Georgakis. "Automated Optimisation of T-Root Rotor Grooves With B-Splines and Finite Element Analysis." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-43179.

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An Alstom tool is described for the automated and simultaneous design optimisation of 2 and 4-hook T-root grooving of multiple steam turbine rotor stages in order to minimise the peak stress. The finite element axisymmetric thermal-stress calculation is performed with Abaqus in a few hours on modest hardware. The tool embeds Python scripting to facilitate the rotor groove model definition and meshing within Abaqus/CAE, with emphasis placed on minimising the effort for the initial setup. Rotor groove shapes are described with B-splines, maintained and modified within the in-house tool. Their sh
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Outcalt, D., S. Suzuki, L. Vincenzi, and J. Heberlein. "Effect of Spray Torch Nozzle Design Modifications on Arc and Plasma Jet Characteristics and Coating Properties." In ITSC2008, edited by B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima, and G. Montavon. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2008. http://dx.doi.org/10.31399/asm.cp.itsc2008p0808.

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Abstract In order to identify means to improve plasma spray consistency, various modifications to the design of a commercial plasma torch nozzle have been investigated. The modifications consist of preparing anode inserts with grooves in the axial direction (spline insert), and introducing a fraction of the plasma gas through a ring of micro-nozzles surrounding the anode nozzle (micro-jet ring). Different designs for each modification have been investigated, and these modifications have also been paired with a modified upstream gas injector. For each of the modified designs, a wide range of ch
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Brar, B. S., R. S. Walia, V. P. Singh, and P. Singh. "Effects of Helical Rod Profiles in Helical Abrasive Flow Machining (HLX-AFM) Process." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-53711.

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Анотація:
Abrasive flow machining (AFM) process is a fine finishing process employing abrasive laden self modulating putty for the finishing of mainly internal recesses. Though the AFM is suitable for the finishing of internal cavities, but the material removal is very low during this finishing process. Helical abrasive flow machining (HLX-AFM) has been recently developed to improve the machining efficiency of AFM process. This process employs a coaxially fixed helical twist drill-bit during the extrusion of the abrasive laden media through an internal cylindrical recess. The presence of a fixed drill-b
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Hashimoto, Hiromu, Masayuki Ochiai, and Tadashi Nanba. "Optimization of Groove Geometry for Thrust Air Bearing to Maximize Bearing Stiffness." In ASME/STLE 2007 International Joint Tribology Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ijtc2007-44129.

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Анотація:
Hydrodynamic gas film bearings are widely used for very high speed, lightly loaded rotating machinery. In the design of hydrodynamic gas film bearings, it is of cardinal importance to enhance the stiffness of gas films for minimizing the vibration due to external excitations. Among various types of hydrodynamic gas film thrust bearings, grooved bearings have an advantage of high stiffness and load carrying capacity, but the stiffness of the bearings strongly depends on groove geometry. Therefore, when the groove geometry is designed suitably, it is expected to improve considerably the stabilit
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Hashimoto, Hiromu, Masayuki Ochiai, and Tadashi Namba. "Optimization of Groove Geometry for Thrust Air Bearing According to Various Objective Functions." In STLE/ASME 2008 International Joint Tribology Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ijtc2008-71093.

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Анотація:
Grooved thrust air bearings are widely used to support high-speed, low-loaded shafts in many rotating systems because of their low friction, noiseless operation, and simple structure. Several types of groove geometries, such as straight line, spiral, and herringbone, are commonly used in actual applications. Among them the spiral groove is mainly used. However, as far as the authors know, there is no theoretical evidence that the spiral groove is an optimized groove geometry in all possible groove geometries. This paper describes the optimum design for the groove geometry of thrust air bearing
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Yu, Deqi, Fengwei Li, Jiandao Yang, et al. "Structural Optimization of Fir-Tree Root and Groove for Turbine Blade With Splines and Genetic Algorithm." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-56518.

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Анотація:
The wide use of fir-tree root and groove in turbine structures prompts the expectation to find optimum configurations, which ensure that stresses are in the safe limits to avoid mechanical failure. To perform the optimization, the reasonable characterization of root configuration is required. The existing researches characterized the fir-tree root with straight line, arc or even elliptic fillet, then the parameters of these features were defined as design variables to perform root profile optimization. However, this feature-based optimization technique yields configuration which is only optima
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Yu, Deqi, Xiaojun Zhang, Jiandao Yang, et al. "An Optimization Design Platform for Fir-Tree Root and Groove for Steam Turbine." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-76595.

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Анотація:
Fir-tree root and groove profiles are widely used in gas turbine and steam turbine. Normally, the fir-tree root and groove are characterized with straight line, arc or even elliptic fillet and splines, then the parameters of these features were defined as design variables to perform root profile optimization. In ultra-long blades of CCPP and nuclear steam turbines and high-speed blades of industrial steam turbine blades, both the root and groove strength are the key challenges during the design process. Especially, in industrial steam turbines, the geometry of blade is very small but the opera
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Irie, Mitsuru, Nobuo Takeshita, Teruo Fujita, and Kenjiro Kime. "A New Tracking Method for 2-Beam Optical Heads Using Continuously Grooved Disks." In Optical Data Storage. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/ods.1991.wb5.

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The next generation optical disk drives need to realize shorter access time, higher data transfer rate and higher information density than the present ones. To realize each requirement, several methods were proposed and estimated, for example, usage of visible laser sources[1], multi-beam lasers[2,3], a split-type head structure[4] and so on. Although a split-type optical head with two or more light sources may be one of good solutions, it is not easy to control plural spots on an information track precisely and simultaneously in case of continuously-grooved disks. To solve this problem, we pr
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INVESTIGATION OF CYCLIC BEHAVIOR OF FULL-SCALE TREE-LIKE HOLLOW STRUCTURAL SECTION COLUMNS WITH INFILLED CONCRETE. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.287.

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The cyclic behavior of tree-like hollow structural section (HSS) columns with infilled concrete was experimentally and numerically investigated. A full-scale column, with the height of 3.2 m and the treetop plan dimension of 4 m×3 m, was designed and manufactured according to a practical engineering prototype. The column with a capacity protected reinforced concrete foundation was tested under combined constant axial compression and cyclic lateral loading through a specifically designed setup. The cracking and spalling of the reinforced concrete foundation were observed initially, followed by
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