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Entropy production information


Entropy production (or generation) is the amount of entropy which is produced during heat process to evaluate the efficiency of the process.

Rudolf Clausius

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Entropy production

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Entropy production (or generation) is the amount of entropy which is produced during heat process to evaluate the efficiency of the process. Entropy is...

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Entropy

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Entropy is a scientific concept that is most commonly associated with a state of disorder, randomness, or uncertainty. The term and the concept are used...

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Entropy and life

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Research concerning the relationship between the thermodynamic quantity entropy and both the origin and evolution of life began around the turn of the...

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Entropy in thermodynamics and information theory

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The mathematical expressions for thermodynamic entropy in the statistical thermodynamics formulation established by Ludwig Boltzmann and J. Willard Gibbs...

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Second law of thermodynamics

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terms of entropy change. A heat pump can reverse this heat flow, but the reversal process and the original process, both cause entropy production, thereby...

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Onsager reciprocal relations

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temperature times mass density). The rate of entropy production for the above simple example uses only two entropic forces, and a 2×2 Onsager phenomenological...

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Joule expansion

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thermodynamic quantities, including the resulting increase in entropy of the universe (entropy production) that results from this inherently irreversible process...

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Maximum entropy thermodynamics

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In physics, maximum entropy thermodynamics (colloquially, MaxEnt thermodynamics) views equilibrium thermodynamics and statistical mechanics as inference...

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General equation of heat transfer

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is a nonlinear partial differential equation describing specific entropy production in a Newtonian fluid subject to thermal conduction and viscous forces:...

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Energy

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principle of maximum entropy production. It states that nonequilibrium systems behave in such a way as to maximize their entropy production. Energy portal Physics...

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Heat death of the universe

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energy, and will therefore be unable to sustain processes that increase entropy. Heat death does not imply any particular absolute temperature; it only...

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Exergy

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theorem). Where entropy production may be calculated as the net increase in entropy of the system together with its surroundings. Entropy production is due to...

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Dissipation

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associated increase in entropy. Processes with defined local temperature produce entropy at a certain rate. The entropy production rate times local temperature...

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Tsallis entropy

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In physics, the Tsallis entropy is a generalization of the standard Boltzmann–Gibbs entropy. It is proportional to the expectation of the q-logarithm...

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Fluctuation theorem

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to the probability distribution of the time-averaged irreversible entropy production, denoted Σ ¯ t {\displaystyle {\overline {\Sigma }}_{t}} . The theorem...

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Entropy as an arrow of time

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Entropy is one of the few quantities in the physical sciences that require a particular direction for time, sometimes called an arrow of time. As one...

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Temperature

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cycle are thus imagined to run reversibly with no entropy production. Then the quantity of entropy taken in from the hot reservoir when the working body...

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Quantum thermodynamics

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entropy production is non-negative. When the cold bath approaches the absolute zero temperature, it is necessary to eliminate the entropy production divergence...

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Maximal entropy random walk

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among its outgoing edges, locally maximizing entropy rate, MERW maximizes it globally (average entropy production) by assuming uniform probability distribution...

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Laws of thermodynamics

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define a group of physical quantities, such as temperature, energy, and entropy, that characterize thermodynamic systems in thermodynamic equilibrium....

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Entropic force

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an entropic force acting in a system is an emergent phenomenon resulting from the entire system's statistical tendency to increase its entropy, rather...

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Chemical thermodynamics

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functions, but nonetheless is a general criterion for (−T times) the entropy production from that spontaneous process; or at least any part of it that is...

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