NUMERICAL AND EXPERIMENTAL ANALYSIS OF A SUCTION CUP VORTEX ATTRACTOR USED IN WALL CLIMBING ROBOTS

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RIASI ALIREZA; MORADI HADI; REZASOLTANI MASOUD

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Journal: Modares Mechanical Engineering Year:2014 | Volume:14 | Issue:9 Page(s): 195-202

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Title

NUMERICAL AND EXPERIMENTAL ANALYSIS OF A SUCTION CUP VORTEX ATTRACTOR USED IN WALL CLIMBING ROBOTS

Author(s)

RIASI ALIREZA | MORADI HADI | REZASOLTANI MASOUD | Issue Writer Certificate

Keywords

WALL CLIMBING ROBOT VORTEX ATTRACTOR NUMERICAL SIMULATIONQ2

Abstract

In this work, adhesion system for wall climbing robots, known as "vortex attractor", has been studied analytically, numerically and experimentally. Vortex attractor system consists of the following components: vortex cup, centrifugal fan and an electrical motor. In this design, vortex flow which is generated at the fan impeller eye produces a considerable suction pressure. Knowing this fact that the air flow is trapped inside the cup, the suction force increases and also power consumption is reduced. Firstly, an attractor system is manufactured considering necessary measurement facilities. The effect of different parameters such as rotational speed and gap between system and surface on system performance is investigated. Numerical simulation of vortex attractor system is performed using CFX software. The numerical results were verified through grid independency and validated with comparison with those obtained from measurements. This validation shows that the maximum difference between the experimental and numerical results is approximately 12 percent. Numerical result shows that maximum generated suction force for distance of 5 mm from surface, equivalent to 13.59 N. In the next step analytical study is carried out using Rankine vortex. Experimental results show that as gap increases, power consumption increases. In the case of vortex attractor stick to surface, repulsive force is observed. Analytical results show that generated force and pressure are proportional to square of rotational speed.

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APA: Copy

RIASI, ALIREZA, MORADI, HADI, & REZASOLTANI, MASOUD. (2014). NUMERICAL AND EXPERIMENTAL ANALYSIS OF A SUCTION CUP VORTEX ATTRACTOR USED IN WALL CLIMBING ROBOTS. MODARES MECHANICAL ENGINEERING, 14(9), 195-202. SID. https://sid.ir/paper/177785/en

Vancouver: Copy

RIASI ALIREZA, MORADI HADI, REZASOLTANI MASOUD. NUMERICAL AND EXPERIMENTAL ANALYSIS OF A SUCTION CUP VORTEX ATTRACTOR USED IN WALL CLIMBING ROBOTS. MODARES MECHANICAL ENGINEERING[Internet]. 2014;14(9):195-202. Available from: https://sid.ir/paper/177785/en

IEEE: Copy

ALIREZA RIASI, HADI MORADI, and MASOUD REZASOLTANI, “NUMERICAL AND EXPERIMENTAL ANALYSIS OF A SUCTION CUP VORTEX ATTRACTOR USED IN WALL CLIMBING ROBOTS,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 9, pp. 195–202, 2014, [Online]. Available: https://sid.ir/paper/177785/en

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