Parametric study and optimisation of the channel in marine magnetohydrodynamic thrusters

In this study, the effect of the channel dimensions on the performance of a marine MHD thruster is investigated using a fully three-dimensional numerical model. In this model, all electric, magnetic and fluid flow fields are considered in three dimensions. In addition, a simple analytical model is d...

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Bibliographic Details
Published in:Ships and offshore structures 2019-10, Vol.14 (7), p.647-655
Main Authors: Haghparast, Mortaza, Alizadeh Pahlavani, Mohammad Reza, Azizi, Diako
Format: Article
Language:English
Subjects:
Computational fluid dynamics
Dimensions
Flow rates
Flow velocity
Fluid flow
Magnetohydrodynamic thruster
Magnetohydrodynamic thrusters
Magnetohydrodynamics
marine propulsion
Mathematical models
Numerical models
numerical simulation
optimisation
Optimization
Parametric statistics
Power efficiency
Three dimensional models
three-dimensional modelling
Thrusters
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Summary:In this study, the effect of the channel dimensions on the performance of a marine MHD thruster is investigated using a fully three-dimensional numerical model. In this model, all electric, magnetic and fluid flow fields are considered in three dimensions. In addition, a simple analytical model is developed for comparison purpose and an optimisation method is proposed for the channel design to achieve the maximum efficiency and power density. The results show that at a specific output power and flow rate, the channel dimensions can be optimised to achieve the maximum efficiency or output power density, but not both.
ISSN:1744-5302
1754-212X
DOI:10.1080/17445302.2018.1535761