A Design of High-Accuracy Displacement Measurement Instrument from Principles of Optics

Sheng Biao Chen; Yun Zhi Tan

doi:10.4028/www.scientific.net/AMM.170-173.2924

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 170-173A Design of High-Accuracy Displacement Measurement...

A Design of High-Accuracy Displacement Measurement Instrument from Principles of Optics

Abstract:

In order to measure the water drainage volume in soil mechanical tests accurately, it develop a new method which is based on principles of optics. And from both physical and mathematic aspects, it deduces the mathematic relationship between micro change in displacement and the increment projected on screen. The result shows that total reflection condition is better than refraction condition. What’s more, the screen could show the water volume micro variation clearly, so it can improve the accuracy of measurement.

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Periodical:

Applied Mechanics and Materials (Volumes 170-173)

Pages:

2924-2928

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.170-173.2924

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Online since:

May 2012

Authors:

Sheng Biao Chen, Yun Zhi Tan

Keywords:

Measuring Instrument, Principles of Optics, Total Reflection, Water Drainage Volume

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References

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