Showing 681 - 700 results of 718 for search '"second law of thermodynamics"', query time: 0.17s Refine Results
  1. 681

    The New Unified Theory of ATP Synthesis/Hydrolysis and Muscle Contraction, Its Manifold Fundamental Consequences and Mechanistic Implications and Its Applications in Health and Dis... by Sunil Nath

    Published 2008-09-01
    “…It is shown from first principles how previous theories of ATP synthesis and muscle contraction violate both the first and second laws of thermodynamics, necessitating their revision. …”
    Get full text
    Article
  2. 682

    CFD Simulation and Mitigation with Boiling Liquid Expanding Vapor Explosion (BLEVE) Caused by Jet Fire by Alon Davidy

    Published 2018-12-01
    “…The proposed algorithm addresses several aspects of the BLEVE accident and its mitigation: Computational Fluid Dynamic (CFD) Simulation of jet fire by using fire dynamics simulator (FDS) software by using large eddy simulation (LES); calculation of the convective and radiative heat fluxes by using the impinging jet fire theory; performing thermochemical and heat transfer analysis on the glass-woven vinyl ester coating of the vessel by using FDS software (version 5); and COMSOL Multiphysics (version 4.3b) during the heating phase of composite and calculation of the time period required to evaporate the liquefied propane by using the first and second laws of thermodynamics.…”
    Get full text
    Article
  3. 683

    A wind turbine driven hybrid HDH-MED-MVC desalination system towards minimal liquid discharge by Saeed Rostami, Hamed Ghiasirad, Hadi Rostamzadeh, Ali Shokri Kalan, Abbas Maleki

    Published 2023-04-01
    “…The devised system is evaluated in terms of the first and second laws of thermodynamics using engineering equation solver (EES) software. …”
    Get full text
    Article
  4. 684

    Thermodynamic Analysis of Closed Steady or Cyclic Systems by Jim McGovern

    Published 2015-09-01
    “…To do this, we examine the net work rate of a closed, steady or cyclic system bounded by thermal resistances linked to isothermal reservoirs in terms of the first and second laws of thermodynamics. Citing relevant references from the literature, we propose a methodology that can improve the thermodynamic analysis of an energy-transforming or an exergy-destroying plant. …”
    Get full text
    Article
  5. 685

    Thermal Evaluation of a Novel Integrated System Based on Solid Oxide Fuel Cells and Combined Heat and Power Production Using Ammonia as Fuel by Phan Anh Duong, Borim Ryu, Jinwon Jung, Hokeun Kang

    Published 2022-06-01
    “…The first and second laws of thermodynamics are used to analyze the system thermodynamically. …”
    Get full text
    Article
  6. 686

    Energy and Teaching Thermo-economic Applications in Engineering by Mahmoud Yaghobi, Abolhassan Mokhtari

    Published 2008-12-01
    “…It is increasingly recognized that for any conceptual design, analysis and development it is necessary to add the subject of exergy (a second law of thermodynamic) to the conventional energy analysis. …”
    Get full text
    Article
  7. 687
  8. 688

    “TERPI” AS A QUANTITY OF THERMODYNAMIC POTENTIAL ENERGY SUPPLEMENTARY TO THE CONCEPT OF WORK AND HEAT by RHA Sahirul Alim

    Published 2010-06-01
    “…Isothermal reversible thermodynamic processes were studied, where there will not occur flow of heat (q) in the system in accord with the second law of thermodynamic. It appear that the energy flow in the system cannot be explained adequately by considering the flow of P,V - work, usually indicated by w, in accordance with the first law, that is,  ΔU = q + w with q = 0.  …”
    Get full text
    Article
  9. 689

    The Analysis of Next-Generation Refrigerants in Terms of Energy, Exergy, and LCCP Perspective by Alper Ergün, Merve Özer, Mustafa Aktaş, Mehmet Onur Karaagac

    Published 2023-12-01
    “…For different evaporation temperatures, the performance of the refrigerants was evaluated using the first and second laws of thermodynamics, and performance coefficients, exergy efficiency, and exergy destruction were calculated. …”
    Get full text
    Article
  10. 690

    3E Evaluation and GA-based Multi Objective Optimization of a NH3/H2O Binary Mixture Cycle Fuelled by Solar Energy by Mahboobe Sabaghian, Fateme Ahmadi Boyaghchi

    Published 2015-04-01
    “…Results indicate that the electricity production cost obtained through economic optimization is less than around 2% and 2.2% compared to the optimization based on the first and second laws of thermodynamics. Multi objective optimization causes reduction of electricity production cost around 14% and enhancement the energy and exergy efficiencies 8.5% and 6.7%, respectively too.…”
    Get full text
    Article
  11. 691

    Exergy analyses of two and three stage cryogenic cycles by Atasbak Musa, Keven Arzu, Karaali Rabi

    Published 2022-12-01
    “…The first and second laws of thermodynamics, exergy analysis, and local optimization methods are applied to the two- and three-stage cascade cryogenic cycle. …”
    Get full text
    Article
  12. 692

    "Terpi" As A Quantity Of Thermodynamic Potential Energy Supplementary To The Concept Of Work And Heat = Besaran "Terpi" Sebagai Energi Potensial Termodinamika yang Melengkapi Penge... by Perpustakaan UGM, i-lib

    Published 2003
    “…ABSTRACT Isothermal reversible thermodynamic processes were studied, where there will not occur flow of heat (q) in the system in accord with the second law of thermodynamic. It appear that the energy flow in the system cannot be explained adequately by considering the flow of P,V â�� work, usually indicated by w, in accordance with the first law, that is, AU = q + w with q = 0. …”
    Article
  13. 693

    Numerical Analysis of Engine Exhaust Flow Parameters for Resolving Pre-Turbine Pulsating Flow Enthalpy and Exergy by Beichuan Hong, Varun Venkataraman, Andreas Cronhjort

    Published 2021-09-01
    “…Enthalpy and exergy are commonly used concepts to describe the energy transport by the flow based on the first and second laws of thermodynamics. However, in order to investigate the crank-angle-resolved exhaust flow enthalpy and exergy, the significance of the flow parameters (pressure, velocity, and temperature) and their demand for high resolution need to be ascertained. …”
    Get full text
    Article
  14. 694

    Energy and Exergy Analysis for Single Slope Passive Solar Still with Different Water Depth Located in Baghdad Center by Hayder Q. A. Khafaji, Hasanain A. Abdul Wahhab, Wisam Abed Kattea Al-Maliki, Falah Alobaid, Bernd Epple

    Published 2022-08-01
    “…The analysis is performed using the governing equations formulated according to the first and second laws of thermodynamics. Compared to solar still with 1 cm water depth, the obtained results indicated that raising the water depth to 2 and 3 cm caused an appreciable drop in water basin temperature, and high levels of water basin reduction were about 4% and 9%, respectively, from 8:00 a.m. to 14:00 p.m., which significantly affects heat and mass transfer and ultimately hinders further water productivity. …”
    Get full text
    Article
  15. 695

    Parametric Optimization of Regenerative Organic Rankine Cycle System for Diesel Engine Based on Particle Swarm Optimization by Hongjin Wang, Hongguang Zhang, Fubin Yang, Songsong Song, Ying Chang, Chen Bei, Kai Yang

    Published 2015-09-01
    “…The thermodynamic model of the RORC system was established based on the first and second laws of thermodynamics, and the net power output and exergy destruction rate of the RORC system were selected as the objective functions. …”
    Get full text
    Article
  16. 696

    Performance analysis of a fuel cells integrated system utilizing Liquified Natural Gas as fuel for a green shipping target by Phan Anh Duong, Bo Rim Ryu, So Soon Kyu, Hyeonmin Jeon, Hokeun Kang

    Published 2023-01-01
    “…The thermodynamic models and equations for this proposed system are based on the first and second laws of thermodynamics. The exergy destruction equations and calculations for the main components are established and estimated to optimize the system's design and operation. …”
    Get full text
    Article
  17. 697

    Energy and exergy analysis of parallel flow double effect H2O-[mmim][DMP] absorption refrigeration system for solar powered district cooling by M. Salim Ferwati, Ahmad Mohammad Ahmad, Gorakshnath Dadabhau Takalkar, Yusuf Bicer

    Published 2021-12-01
    “…Performance modeling and simulation of DE-ARS is based on both energy and exergy analysis by applying the first and second laws of thermodynamic. The performance, and solution circulation ratio of parallel flow DE-ARS is assessed and optimized under various temperatures and solution distribution ratios. …”
    Get full text
    Article
  18. 698

    Comparative analysis of the thermodynamic performances of solid oxide fuel cell–gas turbine integrated systems for marine vessels using ammonia and hydrogen as fuels by Bo Rim Ryu, Phan Anh Duong, Hokeun Kang

    Published 2023-01-01
    “…Thermodynamics performances of the proposed system were analyzed using the first and second laws of thermodynamics. The energy efficiencies of direct ammonia and hydrogen SOFCs were 60.96 and 64.46%, respectively. …”
    Get full text
    Article
  19. 699

    Thermodynamic Design of Organic Rankine Cycle (ORC) Based on Petroleum Coke Combustion by Alon Davidy

    Published 2021-07-01
    “…The proposed ORC energetic system obeys the first and second laws of thermodynamics. The thermal efficiency of the cycle is 20.4%.…”
    Get full text
    Article
  20. 700

    Usage of R513A as an alternative to R134a in a refrigeration system: An experimental investigation based on the Kigali amendment by Kayhan Dağıdır, Kemal Bilen

    Published 2024-02-01
    “…In this study, the use of the alternative refrigerant R513A instead of R134a in a mechanical vapor compression refrigeration system was experimentally investigated in terms of the first and second laws of thermodynamics on the basis of the Kigali Amendment. …”
    Get full text
    Article