University of Twente Student Theses


Impactor Design for In-pipe Impact-echo Inspection Method: A Morphological Analysis

Stroet, J. (2020) Impactor Design for In-pipe Impact-echo Inspection Method: A Morphological Analysis.

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Abstract:Damaged sewer pipelines cause many problems, especially in urban areas, and are very expensive to repair once broken. TISCALI is designing a robot which will remotely assess the condition of concrete sewer pipelines by using the pipeline's acoustic properties. By making an impact and measuring the sound produced by the impactor, damage could be localized. In this thesis, a system which is capable of making these impacts is designed, analyzed and tested. The system reached an impact time of 29.5 μs, an impact energy of 0.41 J, could not make a single impact and was not very silent. However, the system was able to assess the condition of the concrete throughout the entire cross-section of sewer pipeline. Although not all requirements for the system were met, some useful relationships for such an impactor system were discovered, and recommendations for future research are given.
Item Type:Essay (Bachelor)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:33 physics, 52 mechanical engineering
Programme:Electrical Engineering BSc (56953)
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