Design and Antiblast Analysis of Mechanical Plugging Devices in Coastal Defense Engineering

Liu, Yang; Zhou, Jiannan; Wang, Peng; Kong, Xinli; Zhao, Yuetang; Hai-long, Chen; Zhou, Yinzhi

doi:10.2112/jcr-si111-017.1

Cited by 1 publication

(1 citation statement)

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“…This article focuses on researching the dynamic characteristics of these jetting and cleaning robots. However, the accuracy of pipeline feature extraction needs improvement, and there are difficulties in position correction during long-distance applications [16,17]. Tokyo Electric Company conducted a functional study on PIG robots, which are intelligent devices capable of autonomously traversing pipelines and equipped with sensors and equipment for detecting and collecting pipeline data, but actual experimental results and comparative analyses are not provided, resulting in a lack of performance evaluation for the proposed spiral curve gait design [18].…”

Section: Introductionmentioning

confidence: 99%

Study on Dynamic Characteristics of Pipeline Jet Cleaning Robot

Yan,

Niu,

Chang

et al. 2024

Actuators

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With the passage of time during pipeline operation, a substantial number of impurities accumulate and adhere to the inner wall of the pipeline. This deposition hinders the pipeline’s ability to function correctly, thereby posing significant hidden risks to people’s lives and the safety of their property. This article focuses on employing pipeline robots for internal cleaning. It examines the jet cleaning process of the spiral-driven pipeline inspection and cleaning robot, aiming to determine the optimal motion state and cleaning parameters for the device within the pipeline. The findings are verified and analyzed through experiments. It was observed that the cleaning effect is enhanced, with a target surface distance of approximately 12- to 13-times the diameter of the nozzle outlet (around 25 mm). In addition, an incident angle of 15° yields favorable cleaning results, with a maximum shear force exerted on the target surface of approximately 0.11 MPa. Ensuring that the pipelines operate reasonably and stably, thus guaranteeing their safe functioning and preventing significant economic and environmental damage, holds immense value.

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Section: Introductionmentioning

confidence: 99%