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Rui Huang, Qinghe Zhang, Pengfei Qi and Weiwei Liu
A set of miniature optical fiber particle concentration measuring instruments is designed and applied to develop a unified expression for the concentration measurement of uniform particles in tap water. By measuring the concentrations of six uniform sili...
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Mohd Tajularif Ibrahim, Nur Afiqah Hashim, Nasrul Anuar Abd Razak, Noor Azuan Abu Osman, Hossein Gholizadeh and Suryani Dyah Astuti
Increased pressure and shear stress distributions at the limb?socket interface are hypothesised to result from changes in the residual limb shape and volume, which can cause socket fit difficulties. Accurate residual limb volume measurements may aid clin...
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David Beck and Paul Uwe Thamsen
Especially in the field of sewage pumps, the design of radial impellers focuses not only on maximum efficiency but also on functionality in terms of susceptibility to clogging by fibrous media. In general, the efficiency of sewage impellers is significan...
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Chao Kong, Yuanping Xu, Zhuowei Li, Chaolong Zhang, Tukun Li, Iain Macleod, Xiangqian Jiang, Dan Tang and Jun Lu
This paper illustrates a systematical surface topography measurement and evaluation method based on a 3D optical system. Firstly, the point cloud data of the workpiece are extracted by the use of a 3D structured light measurement system, and the STEP fil...
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Stefan aus der Wiesche
The rising number of applications of the organic Rankine cycle (ORC) or supercritical CO2 (sCO2) power systems have shaped a new branch of fluid mechanics called non-ideal compressible fluid dynamics (NICFD). This field of fluid mechanics is concerned wi...
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Tianli Yang, Jing Yang, Wangzhe Zhou, Xuepeng Li, Yinan Zhou, Zongzhe Zhang and Xiaojun Wang
The one-dimensional, high-order Hermite?Gaussian (HG0n) laser beams can be easily converted into vortex Laguerre?Gaussian (LGpl) beams carrying orbital angular momentum (OAM), and with the scaling of output power and the narrowing of pulse width, the app...
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José Antonio Gómez-Pedrero, César Albarrán-Diego, María García-Montero, Nuria Garzón and Veronica Gonzalez-Fernandez
Deflectometry is an optical technique for determining properties such as power distribution, wavefront, etc., and measurement of the optical properties of an intraocular lens can provide relevant information for clinicians. The aim of the current study w...
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Julián Espinosa Tomás, Jorge Pérez Rodríguez, David Más Candela, Carmen Vázquez Ferri and Esther Perales
It is often difficult to subjectively determine subjects? uncorrected visual acuity given their age, lack of cooperation with subjective measurement, etc. In other cases, it would be desirable to be able to predict this visual acuity prior to any type of...
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Dayong Tai, Zhixiong Wu, Ying Yang and Cunwei Lu
The measurement system proposed in this paper, using a measuring arm and line structured light, has a wide range of applications. To improve the scanning efficiency, the system outlined in this paper uses two single-line structured lights to form crossha...
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Ivana Bari?ic, Tihomir Dok?anovic and Matija Zvonaric
Digital image correlation (DIC) is a method of point displacement measurement by an optical system. If two cameras are used for capturing the same point displacement, three-dimensional data are obtained using the 3D-DIC method. The areas of application o...
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