Thermodynamic process
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From Stochastic Thermodynamics to Thermodynamic Inference Open
For a large class of nonequilibrium systems, thermodynamic notions like work, heat, and, in particular, entropy production can be identified on the level of fluctuating dynamical trajectories. Within stochastic thermodynamics various fluct…
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TCHEA1: A Thermodynamic Database Not Limited for “High Entropy” Alloys Open
In this paper we report a thermodynamic database which was developed by using the CALPHAD approach. The TCHEA1 database includes 15 chemical elements (Al, Co, Cr, Cu, Fe, Hf, Mn, Mo, Nb, Ni, Ta, Ti, V, W and Zr). It is suitable for the stu…
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Compositions, thermodynamic properties, and transport coefficients of high-temperature C5F10O mixed with CO2 and O2 as substitutes for SF6 to reduce global warming potential Open
C5F10O has recently been found to be a very promising alternative to SF6. This paper is devoted to the investigation of compositions, thermodynamic properties, and transport coefficients of high-temperature C5F10O mixed with CO2 and O2. Fi…
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Application of Finite-Time and Control Thermodynamics to Biological Processes at Multiple Scales Open
An overall synthesis of biology and non-equilibrium thermodynamics remains a challenge at the interface between the physical and life sciences. Herein, theorems from finite-time and control thermodynamics are applied to biological processe…
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Beyond the thermodynamic limit: finite-size corrections to state interconversion rates Open
Thermodynamics is traditionally constrained to the study of macroscopic systems whose energy fluctuations are negligible compared to their average energy. Here, we push beyond this thermodynamic limit by developing a mathematical framework…
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Reassessment of Oxide Stability Diagram in the Fe–Al–Ti–O System Open
Phase equilibria of Fe-Al-Ti-O system is shortly reviewed, in particular for stability of oxide phases in equilibrium with liquid Fe alloy in dilute concentration. This system is relevant to Ultra Low Carbon steel with Ti alloying (Ti-ULC)…
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Exploring the thermodynamic criteria for responsive adsorption processes Open
A general thermodynamic model to investigate responsive adsorption processes in flexible porous materials.
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Geometric thermodynamic uncertainty relation in a periodically driven thermoelectric heat engine Open
Thermodynamic uncertainty relation, quantifying a trade-off among average\ncurrent, the associated fluctuation (precision), and entropy production (cost),\nhas been formulated in nonequilibrium steady state and various stochastic\nsystems.…
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Experimental investigation and thermodynamic assessment of the yttrium-hydrogen binary system Open
A coupled experimental investigation and thermodynamic study of the yttrium-hydrogen (Y-H) binary system were carried out to provide more comprehensive and quantitative insights into the key thermodynamic properties of this system. Y-H sys…
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Energy dissipation bounds for autonomous thermodynamic cycles Open
Significance The second law states that on average, it is impossible for a process to reduce the entropy of the universe. Recent progress has strengthened this inequality by quantifying the dissipation associated with various scenarios. Mo…
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Heat transport through a solid–solid junction: the interface as an autonomous thermodynamic system Open
We perform computational experiments using nonequilibrium molecular dynamics simulations, showing that the interface between two solid materials can be described as an autonomous thermodynamic system.
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Maximal power output of a stochastic thermodynamic engine Open
Classical thermodynamics aimed to quantify the efficiency of thermodynamic engines, by bounding the maximal amount of mechanical energy produced, compared to the amount of heat required. While this was accomplished early on, by Carnot and …
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Thermodynamic Modeling of Fe–C–S Ternary System Open
A CALPHAD type thermodynamic modeling of the Fe–C–S system was carried out, in particular, in order to provide accurate description of activity-composition relationship of Fe–C–S liquid phase. The liquid may be used as a solvent of ferrous…
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Approximate solutions of Schrodinger equation and thermodynamic properties with Hua potential Open
The study investigates the thermodynamic properties with Hua potential. First, the energy of the system is derived by solving the Schrodinger equation using the Nikiforov-Uvarov (NU) method. The vibration partition function and other therm…
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Steepest-entropy-ascent model of mesoscopic quantum systems far from equilibrium along with generalized thermodynamic definitions of measurement and reservoir Open
This paper presents a nonequilibrium, first-principles,\nthermodynamic-ensemble based model for the relaxation process of interacting\nnon-equilibrium systems. This model is formulated using steepest-entropy-ascent\nquantum thermodynamics …
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Diurnal land surface energy balance partitioning estimated from the thermodynamic limit of a cold heat engine Open
Turbulent fluxes strongly shape the conditions at the land surface, yet they are typically formulated in terms of semiempirical parameterizations that make it difficult to derive theoretical estimates of how global change impacts land surf…
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Development and Experimental Validation of Real Fluid Models for CFD Calculation of ORC and Steam Turbine Flows Open
The article describes an interpolation–analytical method of reconstruction of the IAPWS-95 equations of state and the modified Benedict–Webb–Rubin equations of state with 32 terms (mBWR32). The method enables us to provide the thermodynami…
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Computational and Experimental Assessment of a MW-Scale Supercritical CO2 Compressor Operating in Multiple Near-Critical Conditions Open
This work illustrates the results of a wide experimental campaign in the frame of the EU-funded project sCO2-Flex, which focused on the investigation of a MW-scale sCO2 compressor operating in plant-representative conditions. The experimen…
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Thermodynamic computing via autonomous quantum thermal machines Open
We develop a physics-based model for classical computation based on autonomous quantum thermal machines. These machines consist of few interacting quantum bits (qubits) connected to several environments at different temperatures. Heat flow…
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Thermodynamic modeling of hydrous-melt–olivine equilibrium using exhaustive variable selection Open
Water in silicate melt influences the phase relations of a hydrous-melt system. Given the importance of water in silicate melts, a quantitative thermodynamic understanding of the non-ideality of hydrous melt is necessary to properly model …
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Effect of Thermal Vacancy on Thermodynamic Behaviors in BCC W Close to Melting Point: A Thermodynamic Study Open
As temperature increases, the thermal vacancy concentration in pure metals dramatically increases and causes some strongly non-linear thermodynamic behaviors in pure metals when close to their melting points. In this paper, we chose body-c…
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Structure of the thermodynamic arrow of time in classical and quantum theories Open
In this work we analyse the structure of the thermodynamic arrow of time,\ndefined by transformations that leave the thermal equilibrium state unchanged,\nin classical (incoherent) and quantum (coherent) regimes. We note that in the\ninfin…
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Alternative thermodynamic cycle for the Stirling machine Open
We develop an alternative thermodynamic cycle for the Stirling machine, where the polytropic process plays a central role. Analytical expressions for pressure and temperatures of the working gas are obtained as a function of the volume and…
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Nonequilibrium thermodynamics and information theory: basic concepts and relaxing dynamics Open
Thermodynamics is based on the notions of energy and entropy. While energy is the elementary quantity governing physical dynamics, entropy is the fundamental concept in information theory. In this work, starting from first principles, we g…
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A Review on Parallel Development of Flux Design and Thermodynamics Subject to Submerged Arc Welding Open
Submerged arc welding is a complex metallurgical process with a temperature of nearly 2000 ∘C (a temperature much higher than that in traditional steelmaking) and different phases, including flux (slag), metal, and plasma. Flux serves vita…
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Quantifying Memory Capacity as a Quantum Thermodynamic Resource Open
The information-carrying capacity of a memory is known to be a thermodynamic resource facilitating the conversion of heat to work. Szilard's engine explicates this connection through a toy example involving an energy-degenerate two-state m…
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Thermodynamically consistent versions of approximations used in\n modelling moist air Open
Some existing approaches to modeling the thermodynamics of moist air make\napproximations that break $\\textit{thermodynamic consistency}$, such that the\nresulting thermodynamics do not obey the 1st and 2nd laws or have other\ninconsisten…
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A thermodynamic description of the glass state and the glass transition Open
Many properties of solids, such as the glass state, hysteresis, and memory effects, are commonly treated as nonequilibrium phenomena, which involve numerous conceptual difficulties. However, few studies have addressed the problem of unders…
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Thermodynamic bounds for diffusion in nonequilibrium systems with multiple timescales Open
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Quantum thermodynamics of nanoscale steady states far from equilibrium Open
We develop an exact quantum thermodynamic description for a noninteracting nanoscale steady state that couples strongly with multiple reservoirs. It is demonstrated that there exists a steady-state extension of the thermodynamic function t…