نتایج جستجو برای: thermodynamics parameters
تعداد نتایج: 604719 فیلتر نتایج به سال:
Combining intuitive probabilistic assumptions with the basic laws of classical thermodynamics, using latter to express parameters in terms thermodynamic quantities, we get a simple unified derivation fundamental ensembles statistical physics avoiding any limiting procedures, quantum hypothesis and even entropy maximization. This point view also leads some related classes correlated particle sta...
The most widespread approaches to the study of thermal systems involve iterative implementation following steps: thermodynamics, heat and mass transfer, hydrodynamics, economics ecology. Such methodology cannot combine economic, environmental thermodynamic aspects from beginning analysis. It does not provide information concerning only external, but also internal, caused by inefficiencies syste...
beverage emulsions are systems that are composed of two liquids including oil and water which are prepared by homogenizing oil phase in an acidic aqueous phase. they must be stable in both concentrated and diluted form for a period of 6-12 months upon standing at room temperature. two immiscible phases contained systems are thermodynamically unsta-ble. in other words, they are vulnerable to bre...
The time evolution during which macroscopic systems reach thermodynamic equilibrium states proceeds as a continuous sequence of contact structure preserving transformations maximizing the entropy. This viewpoint of mesoscopic thermodynamics and dynamics provides a unified setting for the classical equilibrium and nonequilibrium thermodynamics, kinetic theory, and statistical mechanics. One of t...
Thermodynamics is the old science that describes the flow of energy in systems with many atoms. Works started by Carnot, Kelvin and Clausius showed that these laws are very general. This universality led to the formulation of the first and second law of thermodynamics, that apply to a vast amount of systems, such as gases and crystals. During half a century there was still a problem with the ap...
By suitable reformulations, we cast the mathematical frameworks of several well-known different approaches to the description of nonequilibrium dynamics into a unified formulation valid in all these contexts, which extends to such frameworks the concept of steepest entropy ascent (SEA) dynamics introduced by the present author in previous works on quantum thermodynamics. Actually, the present f...
We establish the foundations of a nonequilibrium theory of quantum thermodynamics for noninteracting open quantum systems strongly coupled to their reservoirs within the framework of the nonequilibrium Green's functions. The energy of the system and its coupling to the reservoirs are controlled by a slow external time-dependent force treated to first order beyond the quasistatic limit. We deriv...
Following the proposal of steady state thermodynamics (SST) by Oono and Paniconi, we develop a phenomenological theory for steady nonequilibrium states in systems with heat conduction. We find that there is essentially a unique consistent thermodynamics, and make concrete predictions, i.e, the existence of a new osmotic pressure and a shift in the coexistence temperature. These predictions allo...
The deep connection between thermodynamics, computation, and information is now well established both theoretically and experimentally. Here, we extend these ideas to show that thermodynamics also places fundamental constraints on statistical estimation and learning. To do so, we investigate the constraints placed by (nonequilibrium) thermodynamics on the ability of biochemical signaling networ...
Following the proposal of steady state thermodynamics (SST) by Oono and Paniconi, we develop a phenomenological theory for steady nonequilibrium states in systems with heat conduction. We find that there is essentially a unique consistent thermodynamics, and make concrete predictions, i.e, the existence of a new osmotic pressure and a shift in the coexistence temperature. These predictions allo...
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