Showing 501 - 520 results of 718 for search '"second law of thermodynamics"', query time: 0.29s Refine Results
  1. 501

    Entropy Generation in Thermal Radiative Loading of Structures with Distinct Heaters by Mohammad Yaghoub Abdollahzadeh Jamalabadi, Mohammad Reza Safaei, Abdullah A. A. A. Alrashed, Truong Khang Nguyen, Enio Pedone Bandarra Filho

    Published 2017-09-01
    “…In this research, characteristics of the thermal radiative heating of an enclosure by a distinct heater are investigated from the second law of thermodynamics point of view. The governing equations of conservation of mass, momentum, and energy (fluid and solid) are solved by the finite volume method and the semi-implicit method for pressure linked equations (SIMPLE) algorithm. …”
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    Article
  2. 502

    Modeling and Simulation for Condensing and Cogeneration Steam Power Plants Operate at Constant and Sliding Live Steam Pressure by Moayed Razoki Hasan, Rahman Abdul Razzaq Talab

    Published 2016-12-01
    “…According to the second law of thermodynamics the irreversibility losses were redistributed depending on control type.…”
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  3. 503

    Entropy, Ecology and Evolution: Toward a Unified Philosophy of Biology by Samuel A. Cushman

    Published 2023-02-01
    “…The central process is dissipation of free energy according to the second law of thermodynamics, and evolution therefore is better conceptualized as the emergence of self-replicating dissipative structures that through natural selection become increasingly more efficient at degrading free energy. …”
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  4. 504

    Prediction of phase structures of solid solutions for high entropy alloys by K.X. Yin, G.Y. Dong, G.J. Zhang, Q.W. Tian, Y.N. Wang, J.C. Huang

    Published 2023-05-01
    “…According to the second law of thermodynamics, the lower the Gibbs free energy of a certain state of the system, the more stable the state. …”
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  5. 505

    Balance de exergía de la Turbina de Gas en un Ciclo Brayton Modificado para evaluar Recuperación de Potencia de Salida by Daniel Eduardo Forero Florian

    Published 2020-05-01
    “…A gas turbine in open cycle was analyzed based on the first and second law of thermodynamics, irreversibilities were considered using exergy as the criterion to establish the overall performance of the system. …”
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  6. 506

    Breaking the resolution limit in photoacoustic imaging using non-negativity and sparsity by P. Burgholzer, J. Bauer-Marschallinger, M Haltmeier

    Published 2020-09-01
    “…Apart from technical limitations, the ultimate resolution limit results from the second law of thermodynamics. The attenuation of the optically generated acoustic waves on their way from the imaged structure to the sample surface by scattering and dissipation leads to an increase of entropy. …”
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  7. 507

    Thermodynamics of exponential Kolmogorov–Nagumo averages by Pablo A Morales, Jan Korbel, Fernando E Rosas

    Published 2023-01-01
    “…For the non-equilibrium case, we show that the dynamics of systems described by exponential Kolmogorov–Nagumo averages still observe a second law of thermodynamics and the H-theorem. We further discuss the applications of stochastic thermodynamics in those systems—namely, the validity of fluctuation theorems—and the connection with thermodynamic length.…”
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  8. 508

    Estimation of entropy generation in Carreau-Yasuda fluid flow using chemical reaction with activation energy by Muhammad Ijaz Khan, Faris Alzahrani, Aatef Hobiny, Zulfiqar Ali

    Published 2020-09-01
    “…A total entropy expression is derived for the Carreau-Yasuda fluid using the second law of thermodynamics. Electrical conducting slip flow is considered. …”
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    Article
  9. 509

    Energy-Saving Strategies and their Energy Analysis and Exergy Analysis for In Situ Thermal Remediation System of Polluted-Soil by Tian-Tian Li, Yun-Ze Li, Zhuang-Zhuang Zhai, En-Hui Li, Tong Li

    Published 2019-10-01
    “…The energy analysis based on the first law of thermodynamics and exergy analysis based on the second law of thermodynamics are completed. By comparing the results, the most effective part of the energy-saving strategy for variable-condition mode is that high savings in the amount of natural gas (NG) used can be achieved, from 0.1124 to 0.0299 kg&#183;s<sup>&#8722;1</sup> in the first stage. …”
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  10. 510

    Entropy Generation Methodology for Defect Analysis of Electronic and Mechanical Components—A Review by Miao Cai, Peng Cui, Yikang Qin, Daoshuang Geng, Qiqin Wei, Xiyou Wang, Daoguo Yang, Guoqi Zhang

    Published 2020-02-01
    “…Defect analysis based on the irreversibility entropy generation methodology is favorable for electronic and mechanical components because the second law of thermodynamics plays a unique role in the analysis of various damage assessment problems encountered in the engineering field. …”
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  11. 511

    Thermodynamics of Barrow Holographic Dark Energy with Specific Cut-Off by Gargee Chakraborty, Surajit Chattopadhyay, Ertan Güdekli, Irina Radinschi

    Published 2021-03-01
    “…The generalised second law of thermodynamics has come out to be valid in all the scenarios under consideration. …”
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  12. 512

    Measures of Entropy to Characterize Fatigue Damage in Metallic Materials by Huisung Yun, Mohammad Modarres

    Published 2019-08-01
    “…Entropy, the measure of disorder and uncertainty, introduced from the second law of thermodynamics, has emerged as a fundamental and promising metric to characterize all mechanistic degradation phenomena and their interactions. …”
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  13. 513

    Modified Friedmann equations from Tsallis entropy by Ahmad Sheykhi

    Published 2018-10-01
    “…We also examine the time evolution of the total entropy and show that the generalized second law of thermodynamics is fulfilled in a region enclosed by the apparent horizon. …”
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  14. 514

    Studies on the performance of distributed combined cooling, heat and power system under off-design conditions based on exergy analysis by Youyuan Shao, Jun Sui, Simin Huang, Bing Hu, Hanmin Xiao

    Published 2022-06-01
    “…This paper adopts the exergy analysis method of second law of thermodynamics to analyze the characteristics of off-design conditions of distributed combined cooling, heat and power system (CCHP). …”
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    Article
  15. 515

    Entropy Generation and Consequences of Binary Chemical Reaction on MHD Darcy–Forchheimer Williamson Nanofluid Flow Over Non-Linearly Stretching Surface by Ghulam Rasool, Ting Zhang, Ali J. Chamkha, Anum Shafiq, Iskander Tlili, Gullnaz Shahzadi

    Published 2019-12-01
    “…The current article aims to present a numerical analysis of MHD Williamson nanofluid flow maintained to flow through porous medium bounded by a non-linearly stretching flat surface. The second law of thermodynamics was applied to analyze the fluid flow, heat and mass transport as well as the aspects of entropy generation using Buongiorno model. …”
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  16. 516

    Thermal transport and magnetohydrodynamics flow of generalized Newtonian nanofluid with inherent irreversibility between conduit with slip at the walls by Mohamed Boujelbene, Sohail Rehman, Sultan Alqahtani, Sultan Alshehery, Sayed M. Eldin

    Published 2023-12-01
    “…Therefore, the performance of a two-dimensional purely radial flow inside a converging-diverging channel is explored from the perspective of second law of thermodynamics for Carreau nanofluids. The intersecting walls of conduit are inclined with horizontal plane to construct a converging flow for negative angle [Formula: see text] and a diverging flow for positive angle [Formula: see text]. …”
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  17. 517

    Irreversibility analysis in time-dependent Darcy–Forchheimer flow of viscous fluid with diffusion-thermo and thermo-diffusion effects by Xu Yun-Jie, Khan Sohail A., Ijaz Khan Muhammad, Alzahrani Faris, Bafakeeh Omar T.

    Published 2022-09-01
    “…The physical description of the entropy rate is discussed through the second law of thermodynamics. Additionally, a binary chemical reaction is considered. …”
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  18. 518

    Entropy Generation and Heat Transfer Performance in Microchannel Cooling by Jundika C. Kurnia, Desmond C. Lim, Lianjun Chen, Lishuai Jiang, Agus P. Sasmito

    Published 2019-02-01
    “…This study is conducted to investigate flow behaviour and heat transfer performance of an incompressible fluid in a cooling channel with oblique fins with regards to first law and second law of thermodynamics. The effect of oblique fin angle and inlet Reynolds number are investigated. …”
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  19. 519

    Effectiveness of Energy Transfer versus Mixing Entropy in Coupled Mechanical–Electrical Oscillators by Habilou Ouro-Koura, Zahra Sotoudeh, John Tichy, Diana-Andra Borca-Tasciuc

    Published 2022-08-01
    “…In heat engines, the theoretical limit of conversion efficiency is intrinsically related to entropy and the second law of thermodynamics. Laying the foundation for similar concepts for kinetic energy harvesters may be necessary for establishing a conversion efficiency limit. …”
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  20. 520

    The influence of Fischer–Tropsch-biodiesel–diesel blends on energy and exergy parameters in a six-cylinder turbocharged diesel engine by Md Nurun Nabi, Johan Einar Hustad, Md Arman Arefin

    Published 2020-11-01
    “…This investigation explores the influence of oxygenated fuels on different energy and exergy parameters first and the second law of thermodynamics. The parameters were estimated based on the experimental data using thermodynamic Equations. …”
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