Effects of control on the onset of Benard-Marangoni convection in a micropolar fluid

被引：5

作者：

Mahmud, M. N.

Mustafa, Z.

Hashim, I. ^{[1
]}

机构：

[1] Univ Kuala Lumpur, Malaysian Inst Chem & Bioengn Technol, Alor Gajah Melaka 78000, Malaysia

来源：

INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER | 2010年 / 37卷 / 09期

关键词：

Benard-Marangoni convection; Feedback control; Instability; Micropolar fluid; Non-uniform thermal gradient; Thermocapillary; NO-MOTION STATE; VARIABLE-VISCOSITY FLUID; FEEDBACK-CONTROL; SUSPENDED PARTICLES; OSCILLATORY-SHEAR; ACTIVE CONTROL; LAYER; STABILIZATION; INSTABILITY; STABILITY;

D O I：

10.1016/j.icheatmasstransfer.2010.08.013

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A linear stability analysis was conducted to assess the feasibility of using a feedback control strategy on the onset of Benard-Marangoni convection in a micropolar fluid. The single-term Galerkin technique was used to obtain the closed-form solution for the Marangoni number M for the onset of convection, satisfying three different non-uniform basic state temperature profiles. It is demonstrated that the controller gain parameter can successfully increase the critical Marangoni number. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1335 / 1339

页数：5

共 35 条

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