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Title

STABILITY ANALYSIS OF CNTS CONVEYING FLUID BY CONSIDERING NON-UNIFORM FLOW VELOCITY AND SIZE EFFECTS OF NANO-STRUCTURE

Pages

 Start Page | End Page

Abstract

 VIBRATION AND INSTABILITY OF SINGLE-WALLED CARBON NANOTUBES (SWCNTS) CONVEYING FLUID ARE INVESTIGATED IN THIS PAPER BY CONSIDERING NON-UNIFORMITY INFLUENCES OF FLOW VELOCITY CAUSED BY SLIP BOUNDARY CONDITION AND VISCOSITY OF FLUID. IN ADDITION, THE MODIFIED COUPLE STRESS THEORY AND THE EULER-BERNOULLI BEAM THEORY ARE EMPLOYED IN ORDER TO MODEL CNT AND TAKE THE SIZE EFFECTS INTO ACCOUNT. FURTHERMORE, SLIP BOUNDARY CONDITION ATTRIBUTABLE TO NANO-FLOW EFFECTS IS CONSIDERED. THE GALERKIN WEIGHTED RESIDUAL METHOD IS UTILIZED TO DISCRETIZE THE GOVERNING EQUATIONS, WHICH ARE THEN SOLVED TO OBTAIN THE RESONANT FREQUENCIES OF FLUID-CONVEYING SWCNTS WITH SIMPLY SUPPORTED BOUNDARY CONDITION. FINALLY, IT IS CONCLUDED THAT CNTS CONVEYING FLUID FLOW WITH NON-UNIFORM VELOCITY PROFILE ARE MORE UNSTABLE RATHER THAN CNTS CONVEYING PLUG FLOW.

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