Robust numerical analysis based design of the thermal vapor compressor shape parameters for multi-effect desalination plants

I. S. Park

doi:10.1016/j.desal.2008.05.004

Robust numerical analysis based design of the thermal vapor compressor shape parameters for multi-effect desalination plants

I. S. Park

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

A thermal vapor compressor (TVC) that is to be adopted for use in a multi-effect desalination (MED) plant isdesigned with a high entraining performance and is appraised with respect to its stability robustness of operating inthe double choking region under abrupt changes in the operating conditions such as the motive and suction steampressures which can be easily caused due to external disturbances. Firstly the shape of the TVC having a highentraining performance is determined by performing an iterative CFD analysis for the various shape conditionsunder the given design pressure conditions. Then the entrainment ratio of the TVC is determined numerically in acertain fluctuating range of the operational pressure. Alteration patterns of the entrainment ratio are then consideredto assess whether the working of the TVC transfers to the unstable operating region or not.

Original language	English
Pages (from-to)	245-255
Number of pages	11
Journal	Desalination
Volume	242
Issue number	1-3
DOIs	https://doi.org/10.1016/j.desal.2008.05.004
State	Published - Jun 2009

Keywords

CFD analysis
Entrainment ratio
Multi-effect desalination
Robust design
Thermal vapor compressor

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10.1016/j.desal.2008.05.004

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title = "Robust numerical analysis based design of the thermal vapor compressor shape parameters for multi-effect desalination plants",

abstract = "A thermal vapor compressor (TVC) that is to be adopted for use in a multi-effect desalination (MED) plant isdesigned with a high entraining performance and is appraised with respect to its stability robustness of operating inthe double choking region under abrupt changes in the operating conditions such as the motive and suction steampressures which can be easily caused due to external disturbances. Firstly the shape of the TVC having a highentraining performance is determined by performing an iterative CFD analysis for the various shape conditionsunder the given design pressure conditions. Then the entrainment ratio of the TVC is determined numerically in acertain fluctuating range of the operational pressure. Alteration patterns of the entrainment ratio are then consideredto assess whether the working of the TVC transfers to the unstable operating region or not.",

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AB - A thermal vapor compressor (TVC) that is to be adopted for use in a multi-effect desalination (MED) plant isdesigned with a high entraining performance and is appraised with respect to its stability robustness of operating inthe double choking region under abrupt changes in the operating conditions such as the motive and suction steampressures which can be easily caused due to external disturbances. Firstly the shape of the TVC having a highentraining performance is determined by performing an iterative CFD analysis for the various shape conditionsunder the given design pressure conditions. Then the entrainment ratio of the TVC is determined numerically in acertain fluctuating range of the operational pressure. Alteration patterns of the entrainment ratio are then consideredto assess whether the working of the TVC transfers to the unstable operating region or not.

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Robust numerical analysis based design of the thermal vapor compressor shape parameters for multi-effect desalination plants

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Keywords

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