Magnetohydrodynamic boundary layer control system

Details Magnetohydrodynamic boundary layer control system Magnetohydrodynamic boundary layer control system

1993-02-11

1993-12-28

Swinehart, Edwin L.

Marine propulsion

Electric drive for propelling means

114337, B60L 1102

Patent

active

052734650

ABSTRACT:
An active boundary layer control system for marine vehicles is disclosed. e boundary layer control system comprises a plurality of magnets and seawater electrodes placed in circumferential rows around the beam of the hull. The magnets and electrodes are positioned so that a Lorentz force generated by the interacting magnetic and electric fields will drive the boundary layer flow in an axial direction toward the aft end of the hull. The boundary control system reduces turbulence and may relaminarize boundary layer flow, thereby reducing radiated noise.

REFERENCES:
patent: 2737145 (1956-03-01), Gentile
patent: 3106058 (1963-10-01), Rice

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