期刊
出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0954406218766200
关键词
Vibro-impact; self-propulsion; capsule; computational fluid dynamics; pipeline inspection
资金
- Robert Gordon University School of Engineering
- Agri-Tech in China: Newton Networkthorn [PF002]
- National Natural Science Foundation of China [11502048, 11572224, 11672257, 11402224, 11401543, 11632011]
- Fundamental Research Funds for the Central Universities [ZYGX2015KYQD033]
- EPSRC [EP/P023983/1]
- EPSRC [EP/P023983/1] Funding Source: UKRI
- STFC [ST/N003527/1] Funding Source: UKRI
This paper studies the prototype development of the vibro-impact capsule system aiming for autonomous mobile sensing for pipeline inspection. Self-propelled progression of the system is obtained by employing a vibro-impact oscillator encapsuled in the capsule without the requirement of any external mechanisms, such as wheels, arms, or legs. A dummy capsule prototype is designed, and the best geometric parameters, capsule and cap arc lengths, for minimizing fluid resistance forces are obtained through two-dimensional and three-dimensional computational fluid dynamics analyses, which are confirmed by wind tunnel tests. In order to verify the concept of self-propulsion, both original and optimized capsule prototypes are tested in a fluid pipe. Experimental results are compared with computational fluid dynamics simulations to confirm the efficacy of the vibro-impact self-propelled driving.
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