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Production optimization of hydrocarbon reservoirs by entropy generation minimization
Journal of Natural Gas Science and Engineering, 2020Abstract Reservoir entropy generation has a significant role in production cycles of a hydrocarbon reservoir. During production, entropy generation characterizes the irreversible fluid energy losses. This paper aims to develop a new production strategy that minimizes the entropy production to improve operational efficiencies.
Murtada A. Elhaj +3 more
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Application of the entropy generation minimization method to solid mechanics
Applied Physics A, 2009This paper reports on a study that explored the application of the entropy generation minimization method to solid mechanics. After reviewing the definition of thermodynamic process and the principles of continuum mechanics, the constitutive equations of four categories of solid behaviors namely thermoelasticity, thermoviscoelasticity, thermoplasticity,
Mehdi Baneshi +2 more
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Entropy generation minimization of a MHD (magnetohydrodynamic) flow in a microchannel
Energy, 2010The dissipative processes that arise in a microchannel flow subjected to electromagnetic interactions, as occurs in a MHD (magnetohydrodynamic) micropump, are analyzed. The entropy generation rate is used as a tool for the assessment of the intrinsic irreversibilities present in the microchannel owing to viscous friction, heat flow and electric ...
Guillermo Ibáñez, Sergio Cuevas
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Minimizing the generation of entropy: which sequence of reservoirs to choose?
European Journal of Physics, 2009This letter deals with irreversible processes described by abrupt changes in temperature or in pressure, in which the system is placed into contact with a finite number N of heat or work reservoirs, respectively. Two previous papers have shown that when N goes to infinity the entropy generation goes to zero, i.e. the process becomes reversible. Here we
Ferreira, J. M., Anacleto, Joaquim
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Entropy generation minimization on CIC (Cable-In-Conduit) superconductor design
Cryogenics, 1998Abstract The concept of EGM (Entropy Generation Minimization) is applied to the design of an optimum CIC (Cable-In-Conduit) superconducting cable for large scale superconducting magnets, which is cooled by supercritical helium flow inside a conduit at cryogenic temperature.
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Entropy Generation Minimization analysis of oscillating-flow regenerators
International Journal of Heat and Mass Transfer, 2015Abstract The thermodynamic efficiencies of regenerative cooling cycles are directly linked to the heat transfer effectiveness and thermal losses in the regenerator. This paper proposes a performance analysis for regenerators based on the Entropy Generation Minimization (EGM) theory.
Paulo V. Trevizoli, Jader R. Barbosa
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Entropy Generation Minimization, Exergy Analysis, and the Constructal Law
Arabian Journal for Science and Engineering, 2012This is a review of the evolution of thermodynamics during the past four decades, from classical (engineering) thermodynamics, to thermodynamic optimization, entropy generation minimization, exergy analysis, and most recently the constructal law of design and evolution in nature.
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Entropy and Generalized Cost Minimization Models at the Macro Level
1992In Chapter 2 various links between entropy (and gravity) theory and spatial interaction behaviour have been discussed and interpreted. It turned out that the entropy concept was compatible with a behavioural interpretation of spatial interaction. In the present chapter an attempt will be made to start off from the entropy philosophy itself and to find ...
Peter Nijkamp, Aura Reggiani
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Entropy generation minimization in turbulent mixed convection flows
International Communications in Heat and Mass Transfer, 2007Abstract This paper reports the results of a numerical investigation of turbulent mixed convection from a symmetrically heated vertical channel, bathed by a steady upward flow of cold air. The computations have been performed using FLUENT 6.2 by employing the k–e model for turbulence with enhanced wall treatment.
C. Balaji, M. Hölling, H. Herwig
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Entropy generation minimization for CO2 hydrogenation to light olefins
Energy, 2018Abstract An optimization model is established for the reaction process of CO2 hydrogenation to light olefins in a fixed-bed tubular reactor based on finite time thermodynamics or entropy generation minimization theory. In the present study, the specific generation rate (entropy generation rate averaged by the production rate of the target product) is
Lingen Chen +3 more
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