[HTML][HTML] Deflectometry for specular surfaces: an overview

J Burke, A Pak, S Höfer, M Ziebarth… - Advanced Optical …, 2023 - frontiersin.org
Deflectometry as a technique to assess reflective surfaces has now existed for some 40
years. Its different aspects and variations have been studied in multiple theses and research …

Predicting the effects of news sentiments on the stock market

D Shah, H Isah, F Zulkernine - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
Stock market forecasting is very important in the planning of business activities. Stock price
prediction has attracted many researchers in multiple disciplines including computer …

A review of available methods for surface shape measurement of solar concentrator in solar thermal power applications

J Xiao, X Wei, Z Lu, W Yu, H Wu - Renewable and Sustainable Energy …, 2012 - Elsevier
The surface shape and optical quality of the solar concentrators have a great influence on
the solar power plant efficiency, and there need an accurate, inexpensive and fast tool to do …

Unsteady conjugate heat transfer modeling

L He, MLG Oldfield - 2011 - asmedigitalcollection.asme.org
The primary requirement for high pressure turbine heat transfer designs is to predict blade
metal temperature. There has been a considerable recent effort in developing coupled fluid …

Automated high resolution measurement of heliostat slope errors

S Ulmer, T März, C Prahl, W Reinalter, B Belhomme - Solar Energy, 2011 - Elsevier
A new optical measurement method that simplifies and optimizes the mounting and canting
of heliostats and helps to assure their optical quality before commissioning of the solar field …

A model-based approach for optical performance assessment and optimization of a solar dish

G Xiao, T Yang, D Ni, K Cen, M Ni - Renewable Energy, 2017 - Elsevier
The solar dish is a point-focusing concentrator with a very high concentration ratio ranging
from hundreds to thousands. Practical assessment and optimization methods are necessary …

A review of optical errors and available applications of deflectometry technique in solar thermal power applications

M El Ydrissi, H Ghennioui, A Farid - Renewable and Sustainable Energy …, 2019 - Elsevier
The solar collectors represent a considerable part of the concentrated solar power plants, as
their shape and quality determine the level of concentration focused on the receiver …

Validation of two optical measurement methods for the qualification of the shape accuracy of mirror panels for concentrating solar systems

T März, C Prahl, S Ulmer, S Wilbert, C Weber - 2011 - asmedigitalcollection.asme.org
The solar field is the major cost component of a solar thermal power plant and the optical
quality of the concentrators has a significant impact on the field efficiency and thus on the …

A review of available methods for the alignment of mirror facets of solar concentrator in solar thermal power system

L Ren, X Wei, Z Lu, W Yu, W Xu, Z Shen - Renewable and Sustainable …, 2014 - Elsevier
In the concentrated solar power system, the mirror facets of the solar concentrator have to be
aligned correctly in order to obtain an optimally focused solar flux at the receiver. In mirror …

[PDF][PDF] An efficient automotive paint defect detection system

S Akhtar, A Tandiya, M Moussa… - Adv. Sci. Technol. Eng …, 2019 - academia.edu
Vision-based defect detection techniques are widely used for quality control purposes. In
this work, an efficient deflectometry based detection system is developed for semi …