Thermal and mechanical characteristics of loudspeakers using a magnetic gap filled with a magnetorheological suspension

Z. P. Shul'man; V. I. Kordonskii; B. M. Khusid; G. K. Voronovich; S. A. Demchuk; V. A. Kuz'min

Thermal and mechanical characteristics of loudspeakers using a magnetic gap filled with a magnetorheological suspension

Z. P. Shul'man, V. I. Kordonskii, B. M. Khusid, G. K. Voronovich, S. A. Demchuk, V. A. Kuz'min

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Abstract

This paper presents some theoretical and experimental results of a study of the heat-transfer characteristics of the voice coil of an electrodynamic loudspeaker and the mechanics of its movable system for a gap filled with a magnetorheological suspension. The heat transfer and motion of the voice coil of a type 4GD-35 electrodynamic loudspeaker were investigated experimentally at the resonance frequency. The coil was heated by a high-frequency signal which was delivered together with the low-frequency signal driving the coil. The motion of the coil under unsteady nonisothermal conditions was modeled under the assumption that the suspension undergoes Couette flow in the gap of the coil.

Original language	English (US)
Pages (from-to)	71-76
Number of pages	6
Journal	Magnetohydrodynamics New York, N.Y.
Volume	24
Issue number	1
State	Published - Jul 1988
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Electrical and Electronic Engineering

Cite this

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abstract = "This paper presents some theoretical and experimental results of a study of the heat-transfer characteristics of the voice coil of an electrodynamic loudspeaker and the mechanics of its movable system for a gap filled with a magnetorheological suspension. The heat transfer and motion of the voice coil of a type 4GD-35 electrodynamic loudspeaker were investigated experimentally at the resonance frequency. The coil was heated by a high-frequency signal which was delivered together with the low-frequency signal driving the coil. The motion of the coil under unsteady nonisothermal conditions was modeled under the assumption that the suspension undergoes Couette flow in the gap of the coil.",

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AU - Khusid, B. M.

AU - Voronovich, G. K.

AU - Demchuk, S. A.

AU - Kuz'min, V. A.

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AB - This paper presents some theoretical and experimental results of a study of the heat-transfer characteristics of the voice coil of an electrodynamic loudspeaker and the mechanics of its movable system for a gap filled with a magnetorheological suspension. The heat transfer and motion of the voice coil of a type 4GD-35 electrodynamic loudspeaker were investigated experimentally at the resonance frequency. The coil was heated by a high-frequency signal which was delivered together with the low-frequency signal driving the coil. The motion of the coil under unsteady nonisothermal conditions was modeled under the assumption that the suspension undergoes Couette flow in the gap of the coil.

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Thermal and mechanical characteristics of loudspeakers using a magnetic gap filled with a magnetorheological suspension

Abstract

All Science Journal Classification (ASJC) codes

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