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Open AccessArticle

A Novel One-Camera-Five-Mirror Three-Dimensional Imaging Method for Reconstructing the Cavitation Bubble Cluster in a Water Hydraulic Valve

1
College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China
2
School of Computing, University of Eastern Finland, Kuopio FI-70211, Finland
*
Author to whom correspondence should be addressed.
Appl. Sci. 2018, 8(10), 1783; https://doi.org/10.3390/app8101783
Received: 11 August 2018 / Revised: 15 September 2018 / Accepted: 20 September 2018 / Published: 1 October 2018
(This article belongs to the Special Issue Intelligent Imaging and Analysis)
In order to study the bubble morphology, a novel experimental and numerical approach was implemented in this research focusing on the analysis of a transparent throttle valve made by Polymethylmethacrylate (PMMA) material. A feature-based algorithm was written using the MATLAB software, allowing the 2D detection and three-dimensional (3D) reconstruction of bubbles: collapsing and clustered ones. The valve core, being an important part of the throttle valve, was exposed to cavitation; hence, to distinguish it from the captured frames, the faster region-based convolutional neural network (R-CNN) algorithm was used to detect its morphology. Additionally, the main approach grouping the above listed techniques was implemented using an optimized virtual stereo vision arrangement of one camera and five plane mirrors. The results obtained during this study validated the robust algorithms and optimization applied. View Full-Text
Keywords: three-dimensional imaging; optimization arrangement; cavitation bubble; water hydraulic valve three-dimensional imaging; optimization arrangement; cavitation bubble; water hydraulic valve
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MDPI and ACS Style

Wang, H.; Xu, H.; Pooneeth, V.; Gao, X.-Z. A Novel One-Camera-Five-Mirror Three-Dimensional Imaging Method for Reconstructing the Cavitation Bubble Cluster in a Water Hydraulic Valve. Appl. Sci. 2018, 8, 1783. https://doi.org/10.3390/app8101783

AMA Style

Wang H, Xu H, Pooneeth V, Gao X-Z. A Novel One-Camera-Five-Mirror Three-Dimensional Imaging Method for Reconstructing the Cavitation Bubble Cluster in a Water Hydraulic Valve. Applied Sciences. 2018; 8(10):1783. https://doi.org/10.3390/app8101783

Chicago/Turabian Style

Wang, Haihang; Xu, He; Pooneeth, Vishwanath; Gao, Xiao-Zhi. 2018. "A Novel One-Camera-Five-Mirror Three-Dimensional Imaging Method for Reconstructing the Cavitation Bubble Cluster in a Water Hydraulic Valve" Appl. Sci. 8, no. 10: 1783. https://doi.org/10.3390/app8101783

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