Relevant bibliographies by topics / Flat Configuration

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Flat Configuration'

Author: Grafiati
Published: 21 April 2022
Last updated: 30 July 2025

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Journal articles on the topic "Flat Configuration"

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Ghaderi, Amir, Saeed Abbasi, and Silvia Di Francesco. "Numerical Study on the Hydraulic Properties of Flow over Different Pooled Stepped Spillways." Water 13, no. 5 (2021): 710. http://dx.doi.org/10.3390/w13050710.

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This work presents numerical simulations carried out to study the influence of geometric characteristics of pooled steps on the energy dissipation performance, flow patterns properties, velocity rates, and pressure distributions over a spillway. The localization of the inception point of air entrainment was also assessed, being a key design parameter of spillways. With this aim, different configurations of steps were taken in account, including flat, pooled, and notch pooled types. The computational procedure was first validated with experimental results from the literature and then used to te
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RATHORE, S. S., KAPILA SHEKHAWAT, and G. A. RAJANNA. "Land configurations in surface drip irrigation for enhancing productivity, profitability and water-use efficiency of Indian mustard (Brassica juncea) under semi-arid conditions." Indian Journal of Agricultural Sciences 90, no. 8 (2020): 1538–43. http://dx.doi.org/10.56093/ijas.v90i8.105960.

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The aim of the experiment was to maximize water-use efficiency and resultant crop productivity through surface drip irrigation under modified land techniques in arid- and semi-arid conditions of India. To address these issues, field study was undertaken on Indian mustard [Brassica juncea (L.) Czern. & Coss.] with surface drip irrigation under various land configuration techniques to enhance water-use efficiency, crop productivity and profitability. Results of the study revealed that flat sowing drip irrigation system in 60/30 and 30/60 cm land configuration resulted in highest seed yield (
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LIU, Baowang, Fei QI, Dejiang ZHOU, Lanlan NIE, Yubin XIAN, and Xinpei LU. "A novel flexible plasma array for large-area uniform treatment of an irregular surface." Plasma Science and Technology 24, no. 3 (2022): 035403. http://dx.doi.org/10.1088/2058-6272/ac2725.

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Abstract In this work, we demonstrate a flexible multi-pin plasma generator with movable electrodes, which can change the shape of the electrode array freely, and then provide a large-area uniform plasma for the treatment of surfaces of different shapes. Discharge characteristics including U–I waveforms and discharge images and sterilization performance under three different electrode configurations (flat–flat, flat–curve, curve–curve) are investigated. Very similar results are acquired between the flat–flat configuration and the curve–curve configuration, which is much better than that under
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Molina-Tamayo, Santiago, Andrés Yesid Moreno, Felipe Mendoza, Gabriel Espitia Mesa, and Gilberto Osorio- Gómez. "Energy analysis of PV surfaces in BIPV applications." E3S Web of Conferences 612 (2025): 04002. https://doi.org/10.1051/e3sconf/202561204002.

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This paper studies the power generation performance of flexible solar panels at different radii of curvature for both concave and convex configurations. Its performance is evaluated horizontally and vertically to provide architects and designers with a reference of how power generation is impacted depending on the geometries selected for the design of facades or roofs. The study consisted of two phases, the first comprised a simulation to estimate the amount of energy a surface receives according to its geometry, orientation, location, and simulated period. The second phase corresponds to an e
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Agrawal, Mohan, Jai Bhan Verma, Ganapati N. Joshi, Sunil Chandel, Ved Prakash, and Ranjan Kumar Mishra. "Numerical investigation of flow control in low-pressure turbine cascade using Gurney Flaps." International Journal of Turbo & Jet-Engines 40, s1 (2022): s399—s410. http://dx.doi.org/10.1515/tjj-2022-0045.

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Abstract This paper reports the numerical investigations to analyze the effect of the application of Gurney Flaps on various configurations in a Low-Pressure Turbine (LPT) cascade in mitigating the laminar flow separation during low Reynolds number operations. T106 LPT blade of chord 60 mm has been selected for the present study. Gurney Flaps of flat type and quarter round type of a particular height of the chord length are selected. Flaps are provided near the blades’ trailing edges for numerical analysis. The numerical computations are performed using STARCCM+ software, and the K-ω SST turbu
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Dabbagh, Vahid, Reza Keshavarz, and Abdolreza Ohadi. "Accurate Designing of Flat-Walled Multi-Layered Lining System Using Genetic Algorithm for Application in Anechoic Chambers." Advanced Materials Research 655-657 (January 2013): 158–68. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.158.

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In anechoic chambers, the flat-walled multilayered acoustic lining systems are cheaper and easier to install than conventional wedge type systems. Sequence, material and thickness of layers are all design variables. By choosing the right configuration, the acoustical performance and overall thic- kness of flat-walled multilayered systems can be comparable to conventional wedge systems. In this study, the materials considered include air and poroelastic materials such as polyurethane foams, melamine foams, and glass wool. In order to evaluate acoustical performance of a given configurati- on, t
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Segall, A. E., J. C. Conway, D. H. Stiver, C. A. Moose, and S. Hershman. "Elevated Temperature Fretting Evaluations Using a Flat-on-Flat Configuration." Tribology Transactions 42, no. 3 (1999): 681–85. http://dx.doi.org/10.1080/10402009908982270.

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Ahmed, DAIMALLAH, and LEBBI Mohamed. "Effect of the inner cylinder endwall shape on the stability of Taylor-Couette flow." International Journal of Applied Mechanics and Engineering 29, no. 4 (2024): 96–105. https://doi.org/10.59441/ijame/192530.

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The current research aims to study how changing the endwall shape of the inner cylinder affects the appearance of Ekman cells and the onset of Taylor vortices. A two-dimensional numerical method simulates the flow between two concentric cylinders, with the inner cylinder rotating while the outer cylinder and the upper and lower endwalls remain at rest. The method of solving the Navier–Stokes equations for incompressible viscous flows is provided by the Ansys Fluent software, which is based on the finite volumes method. The geometric parameters, such as the radius ratio (η) and the height ratio
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Edeoja, Alex Okibe, and Linus Awuniji. "Experimental Investigation of the Influence of Penstock Configuration and Angle of Twist of Flat Blades on the Performance of a Simplified Pico-Hydro System." European Journal of Engineering Research and Science 2, no. 7 (2017): 14. http://dx.doi.org/10.24018/ejers.2017.2.7.400.

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The effects of penstock configuration and lateral twist angle of the flat blades on the performance of a simplified Pico hydro system were examined as part of an ongoing development. Two configurations of the penstock having 2 and 1 stages of area reductions from 3 to 2 inches and 3 to 2 inches within the lower 1 m of their total height were used. Turbine runners with flat blades laterally twisted at angles of 30, 45, 60, 75 and 90° were fabricated locally and the system performance studied. The speed of rotation of the alternator and turbine shafts were measured and the available fluid power,
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Edeoja, Alex Okibe, and Linus Awuniji. "Experimental Investigation of the Influence of Penstock Configuration and Angle of Twist of Flat Blades on the Performance of a Simplified Pico-Hydro System." European Journal of Engineering and Technology Research 2, no. 7 (2017): 14–22. http://dx.doi.org/10.24018/ejeng.2017.2.7.400.

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The effects of penstock configuration and lateral twist angle of the flat blades on the performance of a simplified Pico hydro system were examined as part of an ongoing development. Two configurations of the penstock having 2 and 1 stages of area reductions from 3 to 2 inches and 3 to 2 inches within the lower 1 m of their total height were used. Turbine runners with flat blades laterally twisted at angles of 30, 45, 60, 75 and 90° were fabricated locally and the system performance studied. The speed of rotation of the alternator and turbine shafts were measured and the available fluid power,
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Dissertations / Theses on the topic "Flat Configuration"

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Drapeau, Guy. "Comparative numerical study of the intra-vessel flow characteristics between a flat and a cylindrical configuration in a stented wall region." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112566.

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Mechanical stresses and flow dynamics alteration in a stented artery region are known to stimulate intimal thickening and increase the risk of restenosis, the closure of a revascularized artery. Particle imaging velocimetry (PIV) is an optical flow visualization technique that can be used to characterize the local flow dynamics around different stent structures. However, the usual cylindrical stent geometries present visualization difficulties when using an optical measurement technique such as the PIV technique. Using a flat configuration of a stent model presents advantages over the usual cy
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Minko, Stanislav. "Optimal configuration of the mechanical structure and flap actuator for hydrofoils." Thesis, KTH, Maskinkonstruktion (Avd.), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-263032.

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Hydrofoil vessels are becoming more popular and driving marine development forward. Since the water friction is greatly reduced, they allow achieving higher speeds and electrification of the boats. FoilCart is a full electric active controlled hydrofoil boat designed as a research project at KTH. The small version of this boat is considered to be designed in this thesis and an optimal configuration for the mast and rudder of the boat is studied. The study is prone to be used as a basis for hydrofoil wing and flap design and includes research on small electromagnets. The design and dynamics of
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Bitomsky, Uwe. "Pressure distribution on wing-body-flap configurations at subsonic speed." Thesis, University of Bath, 1993. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357812.

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Venkatasalam, Nachiyappan. "Crosswind assessment of trains on different ground configurations." Thesis, KTH, Järnvägsteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-129712.

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Cross wind analysis is one of the important safety measures for rail vehicle certification. The objective of this study is to identify which vehicle certification ground setup, true flat ground (TFG) or single track ballast and rail (STBR) represents a more realistic ground setup with atmospheric boundary layer (ABL) wind inlet and also to represent an embankment scenario. A streamlined high speed train ICE3 and a conventional Regional train are taken for the analysis to represent both categories. CFD is used as a tool for calculations. The best practice recommended by the AeroTRAIN project is
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Abessolo, Elouma Charles. "Moyens permettant de limiter l’envasement dans un port à flot : Etude d’un bassin de configuration annulaire." Nantes, 2013. http://www.theses.fr/2012NANT2115.

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Des moyens de lutte contre l'envasement dans un nouveau concept de port à flot soumis à l'action de la marée sont étudiés. Il s'agit du concept portuaire de plaisance BlueRing qui permet une optimisation des espaces occupés. Ce port peut être construit à l'intérieur des terres communiquant avec la masse d'eau extérieure à travers un canal d'accès. Tout d'abord, le processus d'envasement dans les ports à flot côtiers soumis à l'action de marée est décrit. Celui- ci dépend des facteurs tels que le marnage de la marée, la turbidité dans l'eau environnante et la vitesse de chute des matières en su
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Kourganoff, Mickaël. "Géométrie et dynamique des espaces de configuration." Thesis, Lyon, École normale supérieure, 2015. http://www.theses.fr/2015ENSL1049/document.

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Cette thèse est divisée en trois parties. Dans la première, on étudie des systèmes articulés (mécanismes formés de tiges rigides) dont l'espace ambiant n'est pas le plan, mais diverses variétés riemanniennes. On étudie la question de l'universalité des mécanismes : cette notion correspond à l'idée que toute courbe serait tracée par un sommet d'un mécanisme, et que toute variété différentiable serait l'espace de configuration d'un mécanisme. On étend les théorèmes d'universalité au plan de Minkowski, au plan hyperbolique et enfin à la sphère.Toute surface dans R^3 peut être aplatie selon l'axe
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Zhu, Jinchun. "Development of novel flax bio-matrix composites for non-structural and structural vehicle applications." Thesis, Cranfield University, 2015. http://dspace.lib.cranfield.ac.uk/handle/1826/9223.

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The use of natural fibres (e.g. flax, hemp etc.) instead of synthetic fibres (carbon and glass etc.) as composite reinforcements not only benefits the environment, but also provides economical lightweight products for transports. Although there are a few studies reported in literature on use of flax fibres, there is no comprehensive guide on use of flax fibres with bio-resins to re-engineer bio- composite systems that can be used in vehicle structures. The state-of-art of the current research towards using natural fibre reinforced composites is reviewed by the thesis. The review covers the per
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Favre, Jean-Marie. "Une approche pour la maintenance et la ré-ingénierie globale des logiciels." Phd thesis, Université Joseph Fourier (Grenoble), 1995. http://tel.archives-ouvertes.fr/tel-00724676.

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Alors que l'informatique est résolument tournée vers l'avenir, cette thèse se concentre sur le passé ; non pas par nostalgie mais plutôt parce que le futur des logiciels âgés est une question d'actualité. Plus particulièrement trois thèmes sont abordés : la maintenance, la ré-ingénierie et la programmation globale. L'objectif de cette étude est d'explorer l'intersection entre la ré-ingénierie et la programmation globale, domaine que nous avons baptisé ré-ingénierie globale. L'idée principale est de réutiliser des concepts et des techniques de programmation détaillée. En fait nous proposons de
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El, Mrabti Amin. "Méthode et outils de génération de code pour les plateformes multi-cœurs fondés sur la représentation de haut niveau des applications et des architectures." Phd thesis, Université de Grenoble, 2010. http://tel.archives-ouvertes.fr/tel-00570692.

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La complexité des systèmes sur puce s'accentue pour supporter les nouvelles applications dans le domaine des télécommunications et du multimédia. La tendance actuelle des nouvelles architectures matérielles converge vers des plateformes multi-cœurs à plusieurs unités de calcul (processeurs, DSP, IP) interconnectées par un réseau sur puce qui peut être configurable au niveau de ses interfaces réseau. Pour ce genre d'architectures, les environnements de génération de code classiques ne sont plus adaptés. Cette thèse propose un flot de génération de code de configuration pour le déploiement des a
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Kao, Hung, and 高鴻. "Experimental Study of Optimal Staggered Configuration Aerodynamics of Flat-plate Cascade-wing Micro Aerial Vehicle." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/65485171769617880537.

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碩士<br>國立成功大學<br>航空太空工程學系專班<br>93<br>This thesis is intended to investigate the aerodynamic characteristics of the flat-plate cascade-wing Micro Aerial Vehicle (MAV) at low Reynolds number by wind-tunnel testing and to determine the optimal staggered configuration of the wings for the MAV. There were 16 cascade-wing models of flat-plate airfoil with different overlap ratios and gap ratios along with a monoplane of AR=1.6 tested at the Reynolds number of 8.8×104 for comparison. The lift and drag forces were measured and normalized based on the total area of the cascade wings. In order to underst
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Books on the topic "Flat Configuration"

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Oktay, Baysal, and United States. National Aeronautics and Space Administration., eds. Design of 3-D nacelle near flat-plate wing using multiblock sensitivity analysis (ADOS): Abstract. National Aeronautics and Space Administration, 1994.

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Oktay, Baysal, and United States. National Aeronautics and Space Administration., eds. Design of 3-D nacelle near flat-plate wing using multiblock sensitivity analysis (ADOS): Abstract. National Aeronautics and Space Administration, 1994.

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Oktay, Baysal, and United States. National Aeronautics and Space Administration., eds. Design of 3-D nacelle near flat-plate wing using multiblock sensitivity analysis (ADOS): Abstract. National Aeronautics and Space Administration, 1994.

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E, McGrath B., and Langley Research Center, eds. Low-speed longitudinal aerodynamic characteristics of a flat-plate planform model of an advanced fighter configuration. National Aeronautics and Space Administration, Langley Research Center, 1994.

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E, McGrath Brian, and Langley Research Center, eds. Low-speed longitudinal aerodynamic characteristics of a flat-plate planform model of an advanced fighter configuration. National Aeronautics and Space Administration, Langley Research Center, 1994.

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R, Meadows Kristine, and United States. National Aeronautics and Space Administration., eds. Aeroacoustic measurements of wing-flap configuration. National Aeronautics and Space Administration, 1997.

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Berglind, Torsten. Grid generation around car configurations above a flat ground plane using transfinite interpolation. The Aeronautical Research Institute of Sweden, 1985.

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Mann, Michael J. Design of supersonic transport flap systems for thrust recovery at subsonic speeds. National Aeronautics and Space Administration, Langley Research Center, 1999.

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Mann, Michael J. Design of supersonic transport flap systems for thrust recovery at subsonic speeds. National Aeronautics and Space Administration, Langley Research Center, 1999.

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Frink, Neal T. Subsonic wind-tunnel measurements of a slender wind-body configuration employing a vortex flap. Langley Research Center, 1987.

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Book chapters on the topic "Flat Configuration"

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Floer, A. "The configuration space of Yang-Mills-Higgs theory on asymptotically flat manifolds." In The Floer Memorial Volume. Birkhäuser Basel, 1995. http://dx.doi.org/10.1007/978-3-0348-9217-9_3.

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Abou El Kouroum, Leila, and Khalid Loudiyi. "Computer Simulation for Design Configuration and Optimization Performance of Flat Plate Collectors Case Study for Ifrane, Morocco." In ICREGA’14 - Renewable Energy: Generation and Applications. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-05708-8_57.

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Özdemir, E., L. Kiesewetter, K. Antorveza, et al. "Towards Self-shaping Metamaterial Shells:." In Proceedings of the 2021 DigitalFUTURES. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5983-6_26.

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AbstractDouble curvature enables elegant and material-efficient shell structures, but their construction typically relies on heavy machining, manual labor, and the additional use of material wasted as one-off formwork. Using a material’s intrinsic properties for self-shaping is an energy and resource-efficient solution to this problem. This research presents a fabrication approach for self-shaping double-curved shell structures combining the hygroscopic shape-changing and scalability of wood actuators with the tunability of 3D-printed metamaterial patterning. Using hybrid robotic fabrication,
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Borcea, Ciprian S. "Association for Flag Configurations." In Commutative Algebra, Singularities and Computer Algebra. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-007-1092-4_1.

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Ganguli, Ranjan, Dipali Thakkar, and Sathyamangalam Ramanarayanan Viswamurthy. "Flap Configuration and Control Law." In Smart Helicopter Rotors. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-24768-7_4.

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Shi, He, and Fengmei Zou. "Flat central configurations of four planet motions." In Automated Deduction in Geometry. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/bfb0022717.

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Louis, Sushil J., Fang Zhao, and Xiaogang Zeng. "Flaw Detection and Configuration with Genetic Algorithms." In Evolutionary Algorithms in Engineering Applications. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-662-03423-1_6.

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Farr, Marcus. "Sand-Forming: Self-organization and Computational Optimization in the Creation of Flat Dune Sand Tilings." In Computational Design and Robotic Fabrication. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-3433-0_16.

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Abstract This paper undertakes an in-depth investigation into a hybrid digital and analogue design process employed in crafting sand-based panel systems conducive to computational optimization. Tailored for extreme desert environments abundant in dune sand, these systems leverage the material’s inherent self-organizing properties. The methodology employs a multi-objective computational system strategically and culminates in an optimized, panelized architectural system. The approach emphasizes self-organization principles, initiated with physical experiments on natural dune sand piles. Advancin
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Yin, Yuhui, Yufei Zhang, and Haixin Chen. "Design of Blown Flap Configurations Based on a Multi-element Airfoil." In Fluid-Structure-Sound Interactions and Control. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4960-5_21.

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Nemili, Anil, Emre Özkaya, Nicolas R. Gauger, Felix Kramer, and Frank Thiele. "Optimal Separation Control on the Flap of a 2D High-Lift Configuration." In Computational Methods in Applied Sciences. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-11541-2_27.

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Conference papers on the topic "Flat Configuration"

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Danaeifar, Mohammad, Mohammad Ali Shameli, and Sayyed Reza Mirnaziry. "A selective tungsten emitter with a nearly flat configuration for thermophotovoltaic applications." In 2024 9th International Conference on Technology and Energy Management (ICTEM). IEEE, 2024. http://dx.doi.org/10.1109/ictem60690.2024.10631967.

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Chen, Gengxin, Ziliang Ruan, and Liu Liu. "Flat-top electro-optic frequency comb using a single modulator and drive on thin-film lithium niobate." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.w1g.4.

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We demonstrate a flat-top electro-optic frequency comb using a single modulator on the thin-film lithium niobate, featuring low optical loss and wide optical bandwidth. A double-pass configuration with similar comb performance is also introduced.
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Kumar, Ashok, and Mark D. Armstrong. "Cathodic Protection Designs Using Ceramic Coated Anodes." In CORROSION 1988. NACE International, 1988. https://doi.org/10.5006/c1988-88030.

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Abstract Flat disc and rod configurations of the ceramic coated anode have been installed at Pike Island Lock and Dam, West Virginia, Cordell Hull Dam, Tennessee, and Cape Canaveral Lock, Florida for testing of their usefulness in impressed current cathodic protection systems. In addition, a cathodic protection design has been developed for use in elevated water tanks and systems have or will be installed at Ft. Ord, California, Ft. Hood, Texas, and Ft. Bliss, Texas. Finally, underground metal piping systems have been cathodically protected at Ft. Monroe, Virginia. Ceramic coated anodes offer
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Yamamoto, Hiroto, Atsushi Fukuda, Sumire Aoki, Hiroshi Hamada, Hiroshi Okazaki, and Yasunori Suzuki. "Wideband Single Carrier Transmitter Configuration Equalizing Non-flat Frequency Response." In 2022 27th Asia Pacific Conference on Communications (APCC). IEEE, 2022. http://dx.doi.org/10.1109/apcc55198.2022.9943736.

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Meiring, Z., S. J. van der Spuy, and C. J. Meyer. "The Effect of Hub Configuration on the Performance of an Air-Cooled Steam Condenser Fan." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-15480.

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Abstract Axial flow fans used in air-cooled condensers are typically analysed with smooth rounded hubs as they offer superior performance when compared to other hub configurations. However, such a hub configuration is impractical and may increase the manufacturing and installation costs of air-cooled condensers. As such, it is desirable to use a simpler, yet effective, hub configuration in order to reduce the installation cost. This paper assesses the impact that a simpler hub configuration may have on the performance of an axial flow fan. This is done through a comparison of three hub configu
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Chate, Akshay, Kartik Jain, Susmita Dash, and Pradip Dutta. "Effect of Reactor Configuration on the Performance of a Closed Thermochemical Energy Storage System." In ASME 2024 Heat Transfer Summer Conference collocated with the ASME 2024 Fluids Engineering Division Summer Meeting and the ASME 2024 18th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/ht2024-131082.

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Abstract Thermochemical energy storage systems (TESS) offer higher volumetric energy density compared to sensible and latent heat storage systems. TESS utilizes endothermic dissociation reaction for thermal energy storage (charging process), and the stored thermal energy is subsequently retrieved by performing a reversible exothermic reaction (discharging process). The reactor of the TESS forms a critical system component as endothermic-exothermic reactions take place in it. The present study focuses on the effect of various reactor configurations on the performance of a potassium carbonate sa
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Dorn, Charles, Yang Li, and Sergio Pellegrino. "Structures With Multiple Rigid Configurations Due to Prestress and Unilateral Contacts." In ASME 2021 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/detc2021-70397.

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Abstract This paper presents structures with multiple equilibrium configurations arising from the combination of a state of prestress and unilateral contacts. A design problem is posed where preloaded elastic springs and unilateral constraints are embedded throughout a mechanism. The spring parameters are designed such that multiple target configurations are immobilized due to contact. In each of these configurations, the spring forces maintain compressive reaction forces, immobilizing the structure. Each immobilized configuration can rigidly resist perturbation forces up to some finite magnit
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Sharma, Hitesh, Chetankumar S. Mistry, and Arnab Roy. "Sweeping Jet Film Cooling Over the Suction Surface of HP Turbine NGV With Forward and Reversed Hole Configurations." In ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/gt2024-129582.

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Abstract Film cooling is essential for the proper functioning and desired operation of modern gas turbine engines. In this study, numerical investigations were performed to study the effects of forward and reversed hole configurations on the performance of sweeping jet film cooling. A comparison of film cooling performance is presented for sweeping jet and straight jet over a flat plate with both forward and reversed configurations. Operating parameters were maintained for matching the real engine conditions with freestream Reynolds number of 1 × 106 and favorable pressure gradient of HP turbi
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Kuribayashi, Tetsuya, Takayoshi Ichiyanagi, and Takao Nishiumi. "Experimental Investigation on the Helmholtz Hydraulic Silencer With Flat Cylindrical Vessel Configuration." In 8th FPNI Ph.D Symposium on Fluid Power. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/fpni2014-7820.

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The Helmholtz type of hydraulic silencer is known as one of the most practical silencers. The silencer consists of a neck and a cylindrical vessel. A distinctive characteristic of the Helmholtz of hydraulic silencer is that the effective range of attenuation frequency is very limited. The maximum attenuation performance can be obtained at the resonant frequency because the Helmholtz resonance phenomenon is utilized. Therefore, it is very important to estimate the resonant frequency precisely at the design stage. In the design case that the length of cylindrical vessel becomes close to the diam
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Zhou, Kai, and Chao Zhou. "Unsteady Aerodynamics of a Flat Tip and a Winglet Tip in a High-Pressure Turbine." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-56845.

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In an unshrouded high-pressure turbine, tip leakage flow results in a loss of efficiency. In this paper, the aerodynamic performance of the tip leakage flow is investigated in a turbine stage by numerical methods. A flat tip and a closed squealer tip combined with a suction side winglet are used for the rotor tips, and the two turbines are named as ‘Flat Configuration’ and ‘Winglet Configuration’. The ability of the CFD methods in predicting the unsteady flow and the tip leakage flow is validated. The steady calculations using a mixing plane between the stator and the rotor are presented first
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Reports on the topic "Flat Configuration"

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Stevens, R. D., B. V. Chapnik, and B. Howe. L51960 Acoustical Pipe Lagging Systems Design and Performance. Pipeline Research Council International, Inc. (PRCI), 1998. http://dx.doi.org/10.55274/r0010392.

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Noise levels radiated from the exterior of a pipe wall can significantly contribute to the overall noise levels on the site of a gas plant and at neighboring properties. The noise inside the piping is generated both by the gas compressor itself, and by the flow of gas through valves, elbows and fittings. Sound inside the pipe couples to the pipe wall by exciting vibration modes, some of which are radiated from the exterior of the pipe into the air. Piping is geometrically circular, which provides it with considerable increased stiffness versus a flat plate, and thereby assists in its ability t
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Cossarini, Gianpiero. Results of the BGC data assimilation. EuroSea, 2023. http://dx.doi.org/10.3289/eurosea_d4.10.

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This document presents the results of simulations that include glider profiles assimilation. Simulations are performed with the Marine Copernicus operational biogeochemical model system of the Mediterranean Sea. The deliverable shows that the assimilation of BGC-glider is feasible in the contest of biogeochemical operational systems and that it is built upon the experience of BGC-Argo float data assimilation. Different configuration of the assimilation of glider data have been tested to assess the impact of the physical and biogeochemical glider observations. The deliverable also describes the
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Weeks and Dash Weeks. L52336 Weld Design Testing and Assessment Procedures for High-strength Pipelines Curved Wide Plate Tests. Pipeline Research Council International, Inc. (PRCI), 2011. http://dx.doi.org/10.55274/r0010452.

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A variety of mechanical property tests are performed in the design, construction and maintenance phase of a pipeline. Most of the tests are performed by use of small-scale specimens with size typically in the range of a few inches to tens of inches (1 in = 25.4 mm). There are numerous test labs capable of performing most small-scale tests. These tests can be performed effectively under a variety of conditions, e.g., test temperature, strain rate, and loading configuration. More importantly, most routine small-scale tests are performed in accordance with national and international standards, en
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MECHANICAL PRORERTIES OF EXPOSED COLUMN BASE CONNECTIONS FOR L-SHAPED COLUMNS FABRICATED USING CONCRETE-FILLED STEEL TUBES. The Hong Kong Institute of Steel Construction, 2021. http://dx.doi.org/10.18057/ijasc.2021.17.4.4.

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The response of exposed column base connections for L-shaped column is investigated through finite element analysis (FEA) in this paper which is affected by complex interactions among different components. Three finite element models are constructed to simulate the response of these connections under axial and cyclic horizontal loading, which interrogate a range of variables including anchor rod strength, base plate size and thickness. The results of the simulations provide insights into internal stress distributions which have not been measured directly through experiments. The key findings i
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TEST ON RESILIENCE CAPACITY OF SELF-CENTERING BUCKLING RESTRAINED BRACE WITH DISC SPRINGS. The Hong Kong Institute of Steel Construction, 2022. http://dx.doi.org/10.18057/icass2020.p.156.

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The properly constructed buckling restrained braces (BRBs) usually have good ductility and energy dissipation capacity and therefore can be used in braced steel frames. However, large residual plastic deformation of the BRBs deteriorates their resilience capacity and hence results in large residual deformation of the buckling restrained braced steel frames (BRBFs) under large drifts. To reduce the residual deformation of BRB while keeping good ductility and energy dissipation capacity, a new self-centering buckling restrained brace (SCBRB), letting both BRB part and self-centering part work in
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