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Thermodynamics print that page


Historically, thermodynamics developed out of a desire to increase the efficiency of early steam engines , particularly through the work of French physicist Nicolas Léonard Sadi Carnot (1824) who believed that the efficiency of heat engines was the key that could help France win the Napoleonic

Second law of thermodynamics print that page

The second law of thermodynamics is an expression of the tendency that over time, differences in temperature, pressure, and chemical potential equilibrate in an isolated physical system . From the state of thermodynamic equilibrium , the law deduced the principle of the increase of entropy | 2011/9/4 1:57:09

Volume (thermodynamics) print that page

In thermodynamics , the volume of a system is an important extensive parameter for describing its thermodynamic state . The specific volume , an intensive property , is the system's volume per unit of mass. Volume is a function of state and is inter-dependant with other thermodynamic properties | 2011/5/26 0:21:42

Table of thermodynamic equations print that page

The following page is a concise list of common thermodynamic equations and quantities: Contents 1 Variables 2 Equations 2.1 Entropy 2.2 Quantum Properties 2.3 Quasi-static and reversible processes 2.4 Heat capacity at constant pressure 2.5 Heat capacity at constant volume | 2010/9/28 22:33:15

Category:Thermodynamics print that page

This category has the following 12 subcategories, out of 24 total. B [ + ] Branches of thermodynamics (1 C, 2 P) C [ + ] Calorimetry (10 P) E [ + ] Engineering thermodynamics (4 C, 2 P) [ + ] Enthalpy (11 P) E cont. [ + ] Equilibrium chemistry (2 C, 55 P) F [ + | 2010/9/25 19:08:15

Statistical mechanics print that page

predictions based on microscopic properties is the main advantage of statistical mechanics over classical thermodynamics . Both theories are governed by the second law of thermodynamics through the medium of entropy. However, entropy in thermodynamics can only be known empirically, whereas | 2011/5/27 2:52:13

Work (thermodynamics) print that page

In thermodynamics , work performed by a system is the energy transferred by the system to another that is accounted for by changes in the external generalized mechanical constraints on the system. As such, thermodynamic work is a generalization of the concept of mechanical work in mechanics | 2011/5/19 17:47:37

Thermodynamic free energy print that page

The thermodynamic free energy is the amount of work that a thermodynamic system can perform. The concept is useful in the thermodynamics of chemical or thermal processes in engineering and science. The free energy is the internal energy of a system less the amount of energy that cannot | 2011/2/22 17:45:36

Extremal principles in non-equilibrium thermodynamics print that page

variables behaved like local physical forces. The approximation that constitutes classical irreversible thermodynamics is built on this metaphoric thinking. As indicated by the " " marks of Onsager (1931) [ 1 ] , such a metaphorical but not categorically mechanical force, the thermal "force | 2011/5/1 11:29:25

Thermodynamic equations print that page

One of the fundamental thermodynamic equation, is the description of thermodynamics work in analogy to mechanical work , or weight lifted through an elevation against gravity, as defined in 1824 by French physicist Sadi Carnot . Carnot used the phrase motive power for work. In the footnotes | 2011/5/6 18:43:51