نتایج جستجو برای: atmospheric thermodynamics

تعداد نتایج: 106161  

Journal: :International Journal of Sustainable Engineering 2023

Waste production, carbon dioxide atmospheric accumulation, and dependence on finite natural resources are expressions of the unsustainability current industrial networks that supply fuels, energy, manufacturing products. In particular, circular chains control urgently needed. To model design these and, in general, any material networks, we propose to generalize approach used for traditional suc...

2011
M. Z. Markovic K. L. Hayden J. G. Murphy P. A. Makar R. A. Ellis

The Border Air Quality and Meteorology Study (BAQS-Met) was an intensive, collaborative field campaign during the summer of 2007 that investigated the effects of transboundary pollution, local pollution, and local meteorology on air quality in southwestern Ontario. This analysis focuses on the measurements of the inorganic constituents of particulate matter with diameter of less than 1 μm (PM1)...

2012
A. Devasthale M. Tjernström M. Caian M. A. Thomas B. H. Kahn E. J. Fetzer

The main purpose of this study is to investigate the influence of the Arctic Oscillation (AO), the dominant mode of natural variability over the northerly high latitudes, on the spatial (horizontal and vertical) distribution of clouds in the Arctic. To that end, we use a suite of sensors onboard NASA’s A-Train satellites that provide accurate observations of the distribution of clouds along wit...

Journal: :journal of food quality and hazards control 0
n. mollakhalili meybodi research center for molecular identification of food hazards, shahid sadoughi university of medical sciences, yazd, iran m.a. mohammadifar [email protected] a.r. naseri department of food science and technology, national nutrition and food technology research institute, faculty of nutrition sciences and technology, shahid beheshti university of medical sciences, tehran, iran

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...

Journal: :Entropy 2014
Miroslav Grmela

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...

2001
M. NIEUWENHUIZEN

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...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2014
Gian Paolo Beretta

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...

Journal: :Physical review letters 2015
Massimiliano Esposito Maicol A Ochoa Michael Galperin

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...

2008
Hal Tasaki

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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