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  2. Thermal pressure - Wikipedia

    en.wikipedia.org/wiki/Thermal_Pressure

    In thermodynamics, thermal pressure (also known as the thermal pressure coefficient) is a measure of the relative pressure change of a fluid or a solid as a response to a temperature change at constant volume. The concept is related to the Pressure-Temperature Law, also known as Amontons's law or Gay-Lussac's law. [1]

  3. Pressure - Wikipedia

    en.wikipedia.org/wiki/Pressure

    Pressure (symbol: p or P) ... Vapour pressure is the pressure of a vapour in thermodynamic equilibrium with its condensed phases in a closed system.

  4. List of thermodynamic properties - Wikipedia

    en.wikipedia.org/wiki/List_of_thermodynamic...

    Systems do not contain work, but can perform work, and likewise, in formal thermodynamics, systems do not contain heat, but can transfer heat. Informally, however, a difference in the energy of a system that occurs solely because of a difference in its temperature is commonly called heat , and the energy that flows across a boundary as a result ...

  5. Thermodynamics - Wikipedia

    en.wikipedia.org/wiki/Thermodynamics

    Thermodynamics is the branch of physics that studies heat, work, ... entropy, volume, temperature and pressure of the thermodynamic system in such a manner, ...

  6. Equation of state - Wikipedia

    en.wikipedia.org/wiki/Equation_of_state

    In physics and chemistry, an equation of state is a thermodynamic equation relating state variables, which describe the state of matter under a given set of physical conditions, such as pressure, volume, temperature, or internal energy. [1]

  7. Internal pressure - Wikipedia

    en.wikipedia.org/wiki/Internal_pressure

    Internal pressure can be expressed in terms of temperature, pressure and their mutual dependence: = This equation is one of the simplest thermodynamic equations.More precisely, it is a thermodynamic property relation, since it holds true for any system and connects the equation of state to one or more thermodynamic energy properties.

  8. Fundamental thermodynamic relation - Wikipedia

    en.wikipedia.org/wiki/Fundamental_thermodynamic...

    Here, U is internal energy, T is absolute temperature, S is entropy, P is pressure, and V is volume. This is only one expression of the fundamental thermodynamic relation. It may be expressed in other ways, using different variables (e.g. using thermodynamic potentials). For example, the fundamental relation may be expressed in terms of the ...

  9. Reduced properties - Wikipedia

    en.wikipedia.org/wiki/Reduced_properties

    In thermodynamics, the reduced properties of a fluid are a set of state variables scaled by the fluid's state properties at its critical point.These dimensionless thermodynamic coordinates, taken together with a substance's compressibility factor, provide the basis for the simplest form of the theorem of corresponding states.