Derivation of Hunt equation for suspension distribution using Shannon entropy theory

Snehasis Kundu

Physica A: Statistical Mechanics and its Applications, 2017, vol. 488, issue C, 96-111

Abstract: In this study, the Hunt equation for computing suspension concentration in sediment-laden flows is derived using Shannon entropy theory. Considering the inverse of the void ratio as a random variable and using principle of maximum entropy, probability density function and cumulative distribution function of suspension concentration is derived. A new and more general cumulative distribution function for the flow domain is proposed which includes several specific other models of CDF reported in literature. This general form of cumulative distribution function also helps to derive the Rouse equation. The entropy based approach helps to estimate model parameters using suspension data of sediment concentration which shows the advantage of using entropy theory. Finally model parameters in the entropy based model are also expressed as functions of the Rouse number to establish a link between the parameters of the deterministic and probabilistic approaches.

Keywords: Particle suspension distribution; Type I distribution; Hunt equation; Shannon entropy; Maximum entropy; Lagrange multipliers (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:488:y:2017:i:c:p:96-111

DOI: 10.1016/j.physa.2017.07.007

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