Isochoric Process

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. This just means that pressure increases, but the volume remains the same.

An isochoric process, also called an isometric process or an isovolumetric process, is a process in which the amount of energy of something changes, without a change in its volume. Iso means "equal" in Greek, and that's the name of the process precisely because the volume remains equal from start to finish.

If an ideal gas is used in an isochoric process, and the quantity of Ideal gas stays constant, then this increase in energy is proportional to an increase in temperature and pressure. It's what happens if you heat a gas inside a rigid, closed box: the pressure and temperature of the gas will increase, but, since it's inside a rigid box, the volume will still be the same.

A real life example of an isochoric process is burning of a petrol-air mixture in an internal combustion engine, of any petrol/gasoline car.

Equations If the volume stays constant (\Delta V = 0 ), this implies that the process does no pressure-volume Work (thermodynamics), since such work is defined by \Delta W = P \Delta V , where P is pressure (no minus sign; this is work done by the system).

By applying the first law of thermodynamics, we can deduce that \Delta U the change in the system's internal energy, is \Delta U = Q for an isochoric process: all the heat being transferred to the system is added to the system's internal energy, U. If the quantity of Ideal gas stays constant, then this increase in energy is proportional to an increase in temperature, Q = n C_V \Delta T where CV is molar specific heat for constant volume.

On a pressure volume diagram, an isochoric process appears as a straight vertical line. Its thermodynamic conjugate, an isobaric process would appear as a straight horizontal line.

See also

Adiabatic process
Cyclic process
Isothermal process
Polytropic process

Adiabatic process
Cyclic process
Isothermal process
Polytropic process

Isochoric process - Wikipedia, the free encyclopedia
An isochoric process, also called an isovolumetric process, is a process during which volume remains constant. The name is derived from the Greek isos, "equal", and khora, "place."

Isochoric - Wikipedia, the free encyclopedia
Isochoric may refer to: cell-transitive, in geometry; isochoric process, in chemistry

Isochoric Process - definition of an isochoric process
definition of an isochoric process ... Definition: An isochoric process is a thermodynamic process in which the volume remains constant.

Isochoric process definition of Isochoric process in the Free Online ...
Isometric process. A constant-volume thermodynamic process in which the system is confined by mechanically rigid boundaries. No direct mechanical work can be done on the ...

Isochoric Process and #tex2html_wrap_inline283#
Isochoric Process and #tex2html_wrap_inline283# ... Isothermal process Up: The first law of Previous: The first law of . Isochoric Process and

OpenCollege e-Learning Content Library.
An isochoric process is a process of quasi-static heating or cooling of a given substance with a constant volume V. The state of the gas is presented on the P-T and V-T diagrams. An ...

Category:Isochoric process - Wikimedia Commons
Media in category "Isochoric process" This category contains only the following file.

Isochoric - Renewable Energy Design
An isochoric process occurs inside a constant volume container which is able to withstand the pressures which might occur given the possible temperatures and pressures.

INEX: Wikipedia, the free encyclopedia (Isochoric process)
Table of Contents. 1 See also; An isochoric process , also called an isometric process , is a thermodynamic process in which the volume stays constant; \Delta V = 0

Isochoric Heating
The good agreement between theory and experiment indicates that we have reached a high level of understanding of the isochoric heating process and the Al K-shell emission.