Showing 2,381 - 2,400 results of 2,426 for search '"geometry"', query time: 0.12s Refine Results
  1. 2381

    High-integrity diffusion bonding of laser powder bed fused, forged, and rolled Ti–6Al–4V alloys by Seoyeon Jeon, Hyunjong Ha, Dong Jun Lee, Hyeonil Park, Yong Nam Kwon, Hyunjoo Choi, Hyokyung Sung

    Published 2025-03-01
    “…Diffusion bonding of additively manufactured Ti–6Al–4V components with complex geometries to conventionally processed frames is a cost-effective approach for reducing the buy-to-fly ratio while minimizing deformation. …”
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    Article
  2. 2382

    Experimental investigation of CF8 stainless steel impeller quality using PLA-based fused deposition modeling-assisted investment casting by Margi Shah, Dhiren Patel, Sarang Pande, Mustufa Haider Abidi, Fahad Alasim

    Published 2025-01-01
    “…The conventional Investment Casting (IC) process is extensively used for manufacturing parts with intricate shapes and complex geometries. However, its drawbacks include long cycle times and costly tooling, making it ideal for mass production but inefficient for frequent design changes, small batch production, or customized products. …”
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  3. 2383

    Factors governing $${\rm H}_{3}^{+}$$ H 3 + formation from methyl halogens and pseudohalogens by Jacob Stamm, Swati S. Priyadarsini, Shawn Sandhu, Arnab Chakraborty, Jun Shen, Sung Kwon, Jesse Sandhu, Clayton Wicka, Arshad Mehmood, Benjamin G. Levine, Piotr Piecuch, Marcos Dantus

    Published 2025-01-01
    “…These measurements, combined with double-ionization-potential equation-of-motion coupled-cluster ab initio calculations used to determine the geometries and energetics of CH3X2+ dications, are employed to identify the key factors governing the formation of $${\rm H}_{3}^{+}$$ H 3 + in certain doubly ionized CH3X species and its absence in others. …”
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    Article
  4. 2384

    Microstructure and Mechanical Properties of High-Entropy Alloy FeCoNiCr(X) Produced by Laser Directed Energy Deposition Process: Effect of Compositional Changes by Ekaterina Kovalenko, Igor Krasanov, Ekaterina Valdaytseva, Stanislav Stankevich, Olga Klimova-Korsmik, Marina Gushchina

    Published 2024-12-01
    “…Laser directed energy deposition technology allows for the production of products with various complex geometries and dimensions (L-DED). It has been found that HEA FeCoNiCrCu alloys can be divided into regions with high concentrations of Fe + Co + Cr and Cu elements. …”
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  5. 2385

    Theoretical Insight into the Spectral Characteristics of Fe(II)-Based Complexes for Dye-Sensitized Solar Cells—Part I: Polypyridyl Ancillary Ligands by Xiaoqing Lu, Shuxian Wei, Chi-Man Lawrence Wu, Ning Ding, Shaoren Li, Lianming Zhao, Wenyue Guo

    Published 2011-01-01
    “…We report herein a theoretical investigation on a series of polypyridyl Fe(II)-based complexes of FeL2(SCN)2, [FeL3]2+, [FeL′(SCN)3]-, [FeL′2]2+, and FeL′′(SCN)2 (L = 2,2′-bipyridyl-4,4′-dicarboxylic acid, L′ = 2,2′,2″-terpyridyl-4,4′,4″-tricarboxylic acid, L″ = 4,4‴-dimethyl-2,2′ : 6′,2″ :6″,2‴-quaterpyridyl-4′,4″-biscarboxylic acid) by density functional theory (DFT) and time-dependent DFT (TD-DFT). Molecular geometries, electronic structures, and optical absorption spectra are predicted in both the gas phase and methyl cyanide (MeCN) solution. …”
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  6. 2386

    Vacuum electrospray deposition for face-on orientation and interface preservation in organic photovoltaics by Younjoo Lee, Junkyeong Jeong, Kwanwook Jung, Jeihyun Lee, Yungsik Youn, Soohyung Park, Hyunbok Lee, Yeonjin Yi

    Published 2025-01-01
    “…In this study, we successfully utilized vacuum electrospray deposition (VESD) to achieve favourable face-on stacking geometries while preserving the integrity of the interfaces in poly(3-hexylthiophene-2,5-diyl) (P3HT): [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) bulk heterojunction (BHJ) films. …”
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  7. 2387

    Vibration-Based Damage Prediction in Composite Concrete–Steel Structures Using Finite Elements by Mario D. Cedeño-Rodríguez, Sergio J. Yanez, Erick I. Saavedra-Flores, Carlos Felipe Guzmán, Juan Carlos Pina

    Published 2025-01-01
    “…This research contributes to the advancement of vibration-based methods for damage detection, emphasizing the complexities in characterizing damage in composite structural geometries. Further exploration and refinement of this approach are essential for the precise classification of damage types.…”
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  8. 2388

    Spherical Accretion in the Schwarzschild Spacetime in the Newtonian Analogous Construct by Shubhrangshu Ghosh, Souvik Ghose, Kalyanbrata Pal, Arunabha Bhadra, Tapas K. Das

    Published 2025-01-01
    “…The velocity-dependent Newtonian analogous potentials (NAPs) corresponding to general relativistic (GR) spacetimes accurately capture most of the relativistic features, including all classical tests of GR, effectively representing spacetime geometries in Newtonian terms. The NAP formulated by Tejeda & Rosswog (TR13) for Schwarzschild spacetime has been applied to the standard thin accretion disk around a black hole (BH) as well as in the context of streamlines of noninteracting particles accreting onto a Schwarzschild BH, showing good agreement with the exact relativistic solutions. …”
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  9. 2389

    Effect of infill pattern on mechanical properties of 3D printed PLA-Zn composites for drone frame structures: A topology optimization integrated application study by P. Arunkumar, D. Balaji, N. Radhika, L. Rajeshkumar, Sanjay Mavinkere Rangappa, Suchart Siengchin

    Published 2025-03-01
    “…The capability of additive manufacturing (AM) to handle complex geometries with ease has opened many avenues in topological optimization and lightweight structural design. …”
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    Article
  10. 2390

    Melting enhancement in vertical triplex-tube latent heat thermal energy storage system using BeO nanoparticles and internal fins by Zamira Sattinova, Bakytzhan Assilbekov, Animesh Pal, Tassybek Bekenov, Bidyut Baran Saha

    Published 2025-03-01
    “…The transient melting behavior of PCM is numerically investigated in 2D planar geometries using the enthalpy-porosity model. A particular effect of fins, BeO nanoparticles, and a combination of both at different volume fractions on melting performance is analyzed. …”
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  11. 2391

    Effects of heat generation and absorption on thermal radiative MHD flow of chemically reacting Casson nanofluids over a wedge by S. Venkateswarlu, B. Hari Babu, M. Veera Krishna

    Published 2025-01-01
    “…In many engineering problems, geometries like wedges are used to model flow around objects. …”
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  12. 2392

    Metal Casting Furnace Design Development Using Computer Simulation by Ramadhan Wahyu Irianto, Yanuar R.A. Pradana, Suprayitno Suprayitno

    Published 2024-02-01
    “…There are two furnace geometries, cylindrical and hexagonal, while the burner location will be divided into 3 positions, namely P1, P2, and P3. …”
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  13. 2393

    Multiscale modeling of reservoir systems using geostatistical methods by Chihi, Hayet, Hammami, Mohamed Amin, Mezni, Imen, Belayouni, Habib, Ben Mammou, Abdallah

    Published 2023-05-01
    “…This provides a detailed input for the geostatistical modeling procedures that enabled to precisely capture the varying extent and shape of the hydrogeological units at regional scale.Geophysical data, available along the Jeffara plain, were added as a complement to the Jeffara geodatabase and used to establish the fault network and to build a local architectural model of the coastal aquifer system, based on time-to-depth conversion using kriging with external drift.The results have allowed (i) a major update of the geological configuration of the Jeffara basin, (ii) more precision on the geometries and extent of the stratigraphic sequences and (iii) an accurate prediction of the main characteristics of water reservoirs, i.e. their occurrence, thickness, facies and dynamic properties variation at the basin and reservoir scale. …”
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  14. 2394

    Assessing Delayed Collapse Risks in Load-Bearing Reinforced Concrete Walls Exposed to Parametric Fires: A Numerical Investigation by Guergah Cherif, Baghdadi Mohamed, Dimia Mohamed Salah, Antonio Marcos de Oliveira Siqueira, Júlio César Costa Campos

    Published 2024-08-01
    “…A parametric study was undertaken, examining various fire scenarios, wall geometries, load levels, wall heights, adjacency, and boundary conditions. …”
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  15. 2395

    Biofuels spray and combustion characteristics in a new micro gas turbine combustion chamber design with internal exhaust recycling by Mohammed R. Abdulwahab, Khaled A. Al-attab, Irfan Anjum Badruddin, Muhammad Nasir Bashir, Joon Sang Lee

    Published 2025-01-01
    “…CFD evaluation of hydrodynamics flow of 8 iEGR mechanisms geometries showed that simple connection between the exhaust and recycle tube resulted in 0 % gas recycling due to the pressure difference. …”
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  16. 2396

    Thermohydraulic performance evaluation of a heat exchanger mounted with oval inclined twisted rings by P. Samruaisin, V. Chuwattanakul, P. Thapmanee, M. Kumar, P. Naphon, N. Maruyama, M. Hirota, S. Eiamsa-ard

    Published 2025-03-01
    “…In contrast, for other geometries and configurations, some TEF values fall below unity at higher Re. …”
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  17. 2397

    Surface texturing for tribomechanical performance optimisation of epoxy composites reinforced with chemically activated carbon by Leonard Maduabuchi Akuwueke, Chinwuba Victor Ossia, Harold Ugochukwu Nwosu

    Published 2024-12-01
    “…. %, and used to fabricate cylindrical discs of Ø 50 × 6 mm height with four surface texture geometries. The epoxy/activated carbon composites were experimentally evaluated for tribomechanical performance using Box-Behnken design. …”
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  18. 2398

    Free convection investigation for a Casson-based Cu−H2O nanofluid in semi parabolic enclosure with corrugated cylinder by Rafel H. Hameed, Rana Ali Hussein, Qusay H. Al-Salami, Mohammed Azeez Alomari, Ahmed M. Hassan, Farah Q.A. Alyousuf, Faris Alqurashi, Mujtaba A. Flayyih

    Published 2025-01-01
    “…This study aims to investigate the potential of Casson-based Cu-H2O nanofluids in enhancing free convection heat transfer within complex geometries. The research examines the free convection heat transfer and fluid flow characteristics of a Casson-based Cu-H2O nanofluid within a semi-parabolic enclosure that includes a wavy corrugated cylinder. …”
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    Article
  19. 2399

    Design, defect analysis, compressive strength and surface texture characterization of Laser Powder Bed Fusion processed Ti6Al4V lattice structures by Bruno Zluhan, Shubhavardhan Ramadurga Narasimharaju, Abhijit Cholkar, Ken Thomas, Ramesh Raghavendra, Eder S.N. Lopes

    Published 2025-03-01
    “…Porous cellular structures of Ti alloys are becoming more attractive in aerospace, automotive and biomedical applications due to greater flexibility, lightweight, strength-to-weight ratio, and desired properties aiding osseointegration. The intricate geometries of lattices pose an extreme challenge for conventional manufacturing. …”
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  20. 2400

    Additively manufactured stochastic and gyroid scaffold design towards osseointegration and bone regeneration in a rabbit femur model by Susheem Kanwar, Oraib Al-Ketan, Gopinathan Janarthanan, Sanjairaj Vijayavenkataraman

    Published 2025-02-01
    “…The design of scaffolds has evolved overtime from simple geometries such as non-porous structures to more advanced lattice-based structures such as triply periodic minimal surfaces (TPMS). …”
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