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what are transport phenomenon on the basis of kinetic theory deduce on expression for the coefficient of riscosity of a gas how does riscosity deppend on temperature and pressure in 2500 words. |
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Answer» rt phenomenon, in physics, any of the phenomena involving the movement of various entities, such as mass, momentum, or energy, through a medium, fluid or solid, by virtue of nonuniform conditions existing within the medium. Variations of concentration in a medium, for example, LEAD to the relative motion of the various chemical SPECIES present, and this mass transport is generally referred to as diffusion. Variations of velocity within a fluid result in the transport of momentum, which is normally referred to as viscous flow. Variations in temperature result in the transport of energy, a process usually called heat conduction. There are many similarities in the MATHEMATICAL descriptions of these three phenomena; and the three often occur together physically, as in combustion, where a flowing, viscous, fluid mixture is undergoing chemical REACTIONS that PRODUCE heat, which is conducted away, and that produce various chemical species that interdiffuse with one another. |
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