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Influence of a magnetic field on a single-plate thermoacoustic system.

Author(s) : MAHMUD S., FRASER R. A.

Type of article: Article

Summary

In this paper, an analytical model for a single-plate thermoacoustic system in the presence of a magnetic field is proposed. The magnetic field acts perpendicular to the direction of the fluid oscillation. The governing momentum and energy equations are simplified to quasi-one-dimensional forms by approximations. Also, these equations are used to derive the expressions for the fluctuating velocity, fluctuating temperature, Nusselt number, and critical temperature gradient by a first order perturbation expansion. After the effects of Hartmann number, drive ratio, and temperature gradient on the flow and thermal fields are discussed, they are graphically presented. Finally, for the present problem, a wave equation is modelled by using the continuity, momentum, and energy equations. In addition, some possible solutions to this equation are presented. [Reprinted with permission from Elsevier. Copyright, 2005].

Details

  • Original title: Influence of a magnetic field on a single-plate thermoacoustic system.
  • Record ID : 2006-1767
  • Languages: English
  • Source: International Journal of thermal Sciences - vol. 45 - n. 1
  • Publication date: 2006/01

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