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- Title
Measurement for the Thickness of Water Droplets/Film on a Curved Surface with Digital Image Projection (DIP) Technique.
- Authors
Zeng, Lingwei; Wang, Hanfeng; Li, Ying; He, Xuhui
- Abstract
Digital image projection (DIP) with traditional vertical calibration cannot be used for measuring the water droplets/film on a curved surface, because significant systematic error will be introduced. An improved DIP technique with normal calibration is proposed in the present paper, including the principles, operation procedures and analysis of systematic errors, which was successfully applied to measuring the water droplets/film on a curved surface. By comparing the results of laser profiler, traditional DIP, improved DIP and theoretical analysis, advantages of the present improved DIP technique are highlighted.
- Subjects
CURVED surfaces; DIGITAL images; THICKNESS measurement; DROPLETS
- Publication
Sensors (14248220), 2020, Vol 20, Issue 8, p2409
- ISSN
1424-8220
- Publication type
Article
- DOI
10.3390/s20082409