Showing 741 - 760 results of 2,351 for search 'Diffusivity efficiency', query time: 0.13s Refine Results
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    Techno-economic analysis of a novel clc reactor-based system for energy storage and back-up power in a cruise ship by Lucas F. Calvo, María Elena Diego, Marco Astolfi

    Published 2025-04-01
    “…During navigation, propulsive and hotelling energy demand of the MSC Magnifica vessel is supplied by the slow diffusion-controlled oxidation of a batch of reduced fine iron-based solids, which allows to heat up a flow of pressurized air that is used to generate electricity in a downstream gas turbine and high-grade heat. …”
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  3. 743

    Decorating Ti<sub>3</sub>C<sub>2</sub> MXene Nanosheets with Fe-N<sub>x</sub>-C Nanoparticles for Efficient Oxygen Reduction Reaction by Han Zheng, Fagang Wang, Weimeng Si

    Published 2025-06-01
    “…The layered structure of MXene endows the material with a high specific surface area and facilitates efficient electron transfer pathways, thereby promoting rapid charge transfer and material diffusion. …”
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  4. 744

    Synthesis and characterization of bismuth gadolinium oxide/g-C3N4 heterojunction nano photocatalyst for efficient sunlight-driven purification of wastewater containing malachite gr... by Shokofeh Mirzasani, Movlud Valian, Ahmad Akbari, Forat H. Alsultany, Masoud Salavati-Niasari

    Published 2025-06-01
    “…In this research, considering the problem of water pollution, efficient bismuthate nanostructures have been designed to destroy organic pollutants; and in the following, suitable strategies to improve the photocatalytic efficiency have been presented and analyzed. …”
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  5. 745

    Fourier Analysis of CMFD Method in Cylindrical Geometry by WEN Yuchen, HAO Chen, WANG Yizhen

    Published 2025-06-01
    “…However, the acceleration efficiency of CMFD diminishes progressively as the model scale increases, particularly in systems with high radius. …”
    Article
  6. 746

    Mechanisms of CO2 enhanced gas recovery in tight-sand gas reservoirs by Zhongqun Liu, Jun Niu, Yabing Guo, Ying Jia, Maolei Cui

    Published 2025-06-01
    “…The results reveal that the diffusion coefficients of CO2 in tight reservoirs range from 10−8 m2/s to 10−9 m2/s, correlating negatively with pore pressure and positively with pore radius. …”
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  7. 747

    MAGNETIC RESONANCE IMAGING OF THE LIVER AND SPLEEN IN THE DIAGNOSIS OF STORAGE DISEASES (literature review) by A. A. Solov’eva, G. A. Yatsyk, U. L. Dzhulakyan, E. A. Lukina

    Published 2018-07-01
    “…Among the imaging techniques for diffuse liver diseases, ultrasonography and X-ray computed tomography are most commonly used for their diagnosis and follow-up. …”
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  8. 748

    Asymptotic optimality of a joint scheduling–control policy for parallel server queues with multiclass jobs in heavy traffic by Xiaolong Li

    Published 2025-02-01
    “…This limit problem, which we call the diffusion control problem (DCP), is a stochastic differential equation (SDE). …”
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  9. 749

    Small global effect on terrestrial net primary production due to increased fossil fuel aerosol emissions from East Asia since the turn of the century by M. O'Sullivan, A. Rap, C. L. Reddington, D. V. Spracklen, M. Gloor, W. Buermann

    Published 2016-08-01
    “…Here we test the hypothesis that increases in atmospheric aerosols from fossil fuel burning enhanced the diffuse light fraction and the efficiency of plant carbon uptake. …”
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    Turing patterns across geometries: A proven DSC-ETDRK4 solver from plane to sphere by Kolade M. Owolabi, Edson Pindza, Eben Maré

    Published 2025-08-01
    “…Numerical experiments confirm the method’s versatility, high accuracy, and computational efficiency, making it a powerful tool for the study of pattern formation in reaction–diffusion systems on diverse geometries.…”
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  12. 752

    A reinforcement learning strategy to automate and accelerate h/p-multigrid solvers by David Huergo, Laura Alonso, Saumitra Joshi, Adrian Juanicotena, Gonzalo Rubio, Esteban Ferrer

    Published 2024-12-01
    “…The objective of this paper is to use a proximal policy optimization algorithm to automatically tune the multigrid parameters and, by doing so, improve stability and efficiency of the h/p-multigrid strategy.Our findings reveal that the proposed reinforcement learning h/p-multigrid approach significantly accelerates and improves the robustness of steady-state simulations for one-dimensional advection-diffusion and nonlinear Burgers' equations, when discretized using high-order h/p methods, on uniform and nonuniform grids.…”
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    Investigation of geometric modifications in T-type micromixers for enhanced microfluidic mixing and ZIF-8 synthesis by Tao Peng, Jinghao Liang, Xueling Zhang, Lei Chen, Yanlin Chen, Jun Qiang, Shuai Yuan

    Published 2025-06-01
    “…Experimental validation demonstrates an improvement in mixing efficiency across Reynolds numbers of 1–100 compared to other designs. …”
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