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  2. Phase transition - Wikipedia

    en.wikipedia.org/wiki/Phase_transition

    The transition from solid to liquid, and gas to liquid (shown by the white condensed water vapour). Other phase changes include: Transition to a mesophase between solid and liquid, such as one of the "liquid crystal" phases. The dependence of the adsorption geometry on coverage and temperature, such as for hydrogen on iron (110).

  3. State of matter - Wikipedia

    en.wikipedia.org/wiki/State_of_matter

    Forms of matter that are not composed of molecules and are organized by different forces can also be considered different states of matter. Superfluids (like Fermionic condensate) and the quark–gluon plasma are examples. In a chemical equation, the state of matter of the chemicals may be shown as (s) for solid, (l) for liquid, and (g) for gas.

  4. Kinetic theory - Wikipedia

    en.wikipedia.org/wiki/Kinetic_theory

    Kinetic theory of matter: A general account of the properties of matter, including solids liquids and gases, based around the idea that heat or temperature is a manifestation of atoms and molecules in constant agitation. Kinetic theory of gases, an account of gas properties in terms of motion and interaction of submicroscopic particles in gases

  5. Kinetic theory of gases - Wikipedia

    en.wikipedia.org/wiki/Kinetic_theory_of_gases

    The mathematical similarities between the expressions for shear viscocity, thermal conductivity and diffusion coefficient of the ideal (dilute) gas is not a coincidence; It is a direct result of the Onsager reciprocal relations (i.e. the detailed balance of the reversible dynamics of the particles), when applied to the convection (matter flow ...

  6. Fluid mechanics - Wikipedia

    en.wikipedia.org/wiki/Fluid_mechanics

    Fluid mechanics is the branch of physics concerned with the mechanics of fluids (liquids, gases, and plasmas) and the forces on them. [1]: 3 It has applications in a wide range of disciplines, including mechanical, aerospace, civil, chemical, and biomedical engineering, as well as geophysics, oceanography, meteorology, astrophysics, and biology.

  7. Transport phenomena - Wikipedia

    en.wikipedia.org/wiki/Transport_phenomena

    In engineering, physics, and chemistry, the study of transport phenomena concerns the exchange of mass, energy, charge, momentum and angular momentum between observed and studied systems. While it draws from fields as diverse as continuum mechanics and thermodynamics , it places a heavy emphasis on the commonalities between the topics covered.

  8. Heat transfer physics - Wikipedia

    en.wikipedia.org/wiki/Heat_transfer_physics

    Its transport properties are represented by the phonon conductivity tensor K p (W/m-K, from the Fourier law q k,p = -K p ⋅∇ T) for bulk materials, and the phonon boundary resistance AR p,b [K/(W/m 2)] for solid interfaces, where A is the interface area. The phonon specific heat capacity c v,p (J/kg-K) includes the quantum effect.

  9. Phase (matter) - Wikipedia

    en.wikipedia.org/wiki/Phase_(matter)

    In the physical sciences, a phase is a region of material that is chemically uniform, physically distinct, and (often) mechanically separable. In a system consisting of ice and water in a glass jar, the ice cubes are one phase, the water is a second phase, and the humid air is a third phase over the ice and water.