Second Law of Thermodynamics and Entropy: Difference between revisions
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==Second Law of Thermodynamics== | ==Second Law of Thermodynamics== | ||
Thermodynamics is a huge area of physics that deals with | Thermodynamics is a huge area of physics that deals with study of effects of work, heat, and energy on a system. It is concerned with large scale observations. There is zeroth law, first law, and second law of thermodynamics. The zeroth law involves simple definition of thermodynamic equilibrium while the first law deals mainly with kinetic and potential energy and transfer of heat and internal energy while introducing enthalpy which leads to second law of thermodynamics. The second law of thermodynamics stipulates that the total entropy of a system plus its environment can not decrease; it can remain constant for a reversible process but must always increase for an irreversible process. Entropy is described as measure of disorder in a closed system/ thermal energy not available to do work. | ||
[[File:entropy.jpg]] | |||
===A Mathematical Model=== | ===A Mathematical Model=== | ||
Revision as of 15:42, 30 November 2015
by Pearl Ruparel
Second Law of Thermodynamics
Thermodynamics is a huge area of physics that deals with study of effects of work, heat, and energy on a system. It is concerned with large scale observations. There is zeroth law, first law, and second law of thermodynamics. The zeroth law involves simple definition of thermodynamic equilibrium while the first law deals mainly with kinetic and potential energy and transfer of heat and internal energy while introducing enthalpy which leads to second law of thermodynamics. The second law of thermodynamics stipulates that the total entropy of a system plus its environment can not decrease; it can remain constant for a reversible process but must always increase for an irreversible process. Entropy is described as measure of disorder in a closed system/ thermal energy not available to do work.
A Mathematical Model
What are the mathematical equations that allow us to model this topic. For example [math]\displaystyle{ \deltaV = -\left(E_x * \deltax + E_y * \deltay + E_z * \deltaz \right) }[/math] where E is the electric field with components in the x, y, and z directions. Delta x, y, and z are the components of final location minus to the components of the initial location.
A Computational Model
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Examples
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