Modeling of a pressure modulated desalination system using bond graph methodology

Ravinder Kumar and L. Umanand

Applied Energy, 2009, vol. 86, issue 9, 1654-1666

Abstract: A desalination system is a complex multi energy domain system comprising power/energy flow across several domains such as electrical, thermal, and hydraulic. The dynamic modeling of a desalination system that comprehensively addresses all these multi energy domains is not adequately addressed in the literature. This paper proposes to address the issue of modeling the various energy domains for the case of a single stage flash evaporation desalination system. This paper presents a detailed bond graph modeling of a desalination unit with seamless integration of the power flow across electrical, thermal, and hydraulic domains. The paper further proposes a performance index function that leads to the tracking of the optimal chamber pressure giving the optimal flow rate for a given unit of energy expended. The model has been validated in steady state conditions by simulation and experimentation.

Keywords: Modeling; Bond; graph; Desalination; Pressure; modulation (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (2)

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