Magnetofluidic damper

23 june 2023

Instrumentation Engineering

Purpose: Damping of vibrations of extended spatial structures (solar panels, antennas, etc.) without reliance on external objects.

Technical essence: The device is based on the use of a permanent magnet and magnetic fluid placed in a closed case.

Scope of application: Mechanical engineering, instrumentation, space technology.

Technical characteristics:

Dimensions - diameter 60 mm, height 30 mm;
Weight – 0.14 kg;
Adjustable operating frequency range - (0.3-15) Hz;
Oscillation amplitudes - (0.5-15) mm;
Logarithmic attenuation decrement (with the ratio of the mass of the extinguisher to the mass of the object) 1:40 - 0.15;
Operating temperature range - (- 50 - +100 ) 0C;
Operating range of ambient pressures - (0 – 2·105 ) Pa.

Advantages over analogues:

high efficiency at low frequencies (about 1 Hz), and small (about 1 mm) amplitudes;
simplicity and reliability of the design;
easy adjustment and adaptability.

Introduction: magnetofluidic damping devices were used in S.Lavochkin NGO, Russia, Moscow.

Расположение фото: Широкая (в контенте)

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ID : 184391

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