VIBRATIONAL BEHAVIOR OF FLUID-CONVEYING CARBON NANOTUBES WITH NON-UNIFORM FLOW VELOCITY BASED ON NONLOCAL ELASTICITY THEORY

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RAHMATI MEHDI; Alavi Seyed Rashid; Yazdkhasti Amir Hossein; Mirdamadi Hamid Reza

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Seminar Paper

Paper Information

Seminar: CONFERENCE ON FLUID DYNAMICS
Year:2015 | Issue:16

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Title

VIBRATIONAL BEHAVIOR OF FLUID-CONVEYING CARBON NANOTUBES WITH NON-UNIFORM FLOW VELOCITY BASED ON NONLOCAL ELASTICITY THEORY

Author(s)

RAHMATI MEHDI | Alavi Seyed Rashid | Yazdkhasti Amir Hossein | Mirdamadi Hamid Reza

Keywords

FLUID STRUCTURE INTERACTION (FSI)

CARBON NANOTUBE

NON-UNIFORM FLOW VELOCITY

SLIP BOUNDARY CONDITION

NONLOCAL ELASTICITY THEORY

Abstract

IN THIS STUDY, THE DYNAMIC AND PARAMETRIC INSTABILITIES OF A PINNED–PINNED SINGLE-WALLED CARBON NANOTUBE (SWCNT) CONVEYING FLUID WITH NON-UNIFORM FLOW VELOCITY ARE MODELED AND NUMERICALLY INVESTIGATED. THE PARTIAL DIFFERENTIAL EQUATION OF MOTION IS DERIVED BASED ON THE NONLOCAL ELASTICITY THEORY, EULER-BERNOULLI BEAM THEORY AND FLUID–TUBE INTERACTION. ALSO, THE MOMENTUM CORRECTION FACTOR IS DERIVED FOR NANO-FLOW AS FUNCTION OF THE KNUDSEN NUMBER. THEN, BASED ON THE GALERKIN WEIGHTED RESIDUAL METHOD, COMPLEX EIGEN-FREQUENCIES ARE INVESTIGATED WITH RESPECT TO FLOW VELOCITY AS WELL AS OTHER CONSIDERED PHYSICAL PARAMETERS. FURTHERMORE, THE INFLUENCES OF SLIP BOUNDARY CONDITION AND NON-UNIFORM FLOW VELOCITY ON THE DYNAMIC BEHAVIOR OF THE CNT-FLUID SYSTEM ARE ANALYZED. FINALLY, IT IS CONCLUDED THAT NON-UNIFORMITY INFLUENCE OF FLOW VELOCITY ON THE STABILITY OF CNT, IS FUNCTION OF THE KNUDSEN NUMBER AND SMALL-SIZE OF THE NANO-FLOW, SO THAT IGNORING THEIR EFFECTS IN VIBRATIONAL ANALYSES OF CNT CONVEYING FLUID MAY CAUSE ERRONEOUS RESULTS.

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APA: Copy

RAHMATI, MEHDI, Alavi, Seyed Rashid, Yazdkhasti, Amir Hossein, & Mirdamadi, Hamid Reza. (2015). VIBRATIONAL BEHAVIOR OF FLUID-CONVEYING CARBON NANOTUBES WITH NON-UNIFORM FLOW VELOCITY BASED ON NONLOCAL ELASTICITY THEORY. CONFERENCE ON FLUID DYNAMICS. SID. https://sid.ir/paper/925251/en

Vancouver: Copy

RAHMATI MEHDI, Alavi Seyed Rashid, Yazdkhasti Amir Hossein, Mirdamadi Hamid Reza. VIBRATIONAL BEHAVIOR OF FLUID-CONVEYING CARBON NANOTUBES WITH NON-UNIFORM FLOW VELOCITY BASED ON NONLOCAL ELASTICITY THEORY. 2015. Available from: https://sid.ir/paper/925251/en

IEEE: Copy

MEHDI RAHMATI, Seyed Rashid Alavi, Amir Hossein Yazdkhasti, and Hamid Reza Mirdamadi, “VIBRATIONAL BEHAVIOR OF FLUID-CONVEYING CARBON NANOTUBES WITH NON-UNIFORM FLOW VELOCITY BASED ON NONLOCAL ELASTICITY THEORY,” presented at the CONFERENCE ON FLUID DYNAMICS. 2015, [Online]. Available: https://sid.ir/paper/925251/en

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