A stability analysis for Radiation Effects on Marangoni Convection boundary layer over a permeable surface

Nor Azian Aini Mat

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Type :	article
Subject :	QC Physics
Main Author :	Nor Azian Aini Mat
Additional Authors :	Annie Gorgey Muzirah Musa Nurul Akmal Mohamed
Title :	A stability analysis for Radiation Effects on Marangoni Convection boundary layer over a permeable surface

Place of Production :	Tanjong Malim
Publisher :	Fakulti Sains dan Matematik
Year of Publication :	2023
Corporate Name :	Universiti Pendidikan Sultan Idris

Abstract : Universiti Pendidikan Sultan Idris

The objectives are to derive the stability analysis theoretically and to set up the stability analysis numerically for radiation effects on Marangoni convection boundary layer over a permeable surface. The stability analysis is used to determine which branch solutions are stable and physically realisable. The stability can be tested via the smallest eigenvalue. Negative smallest eigenvalue produces an initial growth of disturbance and the flow becomes unstable. In contrast, the positive smallest eigenvalue results in an initial decay of the disturbance, thus the flow is stable. The research has an implication in order to identify which solution is stable, whether the first or the second solution. Keywords: permeable surface, dual solution, stability analysis

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