Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"Pyranometers"”.
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Prediction and Measurement of Thermal Exchanges within Pyranometers
The Eppley Precision Spectral Pyranometer (PSP) is a shortwave radiometer that is widely used in global networks to monitor solar irradiances at the earth's surface. Within the instrument, a blackened surface is in intimate thermal contact with the hot junction of a thermopile. The cold junction of …
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Long-Distance Flux Mapping Using Low-Cost Collimated Pyranometers
… Target (LRHT) is a vertical array of collimated pyranometers deployed to a test site via flat-bed trailer and quickly erected on an aluminum truss tower. Once the sensors have been aimed at the heliostat, the heliostat beam is swept azimuthally across the array whereupon the data is stitched into …
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Estimation of Global Solar Radiation from SAURAN stations using air temperature-based models Hargreaves and Samani and Clemence models
… designs, agronomy, and installation of pyranometers. Some developing countries do not have good quality meteorological stations that can directly measure global solar radiation. Thus, several empirical methods were developed to estimate global solar radiation. This study uses two …
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Reducción de la incertidumbre en datos de radiación solar para la mejora de la simulación de sistemas fotovoltaicos
… larger uncertainties than thermopile pyranometers if they are inadequately calibrated. The uncertainty further increased due to operational failures, which were very common in regional and agricultural networks, leading to uncertainties in measurements higher than those of the best …
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Implementation of Solar Irradiance Forecasting Using Markov Switching Model and Energy Management System
… were measured using the solar panels rather than pyranometers as the sensors . A case study for real-time irradiance forecasting in Brookings on June 9, 2015 showed RMSE and MAPE of 131.08W=m2 and 45.45%, respectively. The improvement of renewable integration is the future and present prospects …
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New methodologies and improved models in the estimation of solar irradiation
… Although solar irradiation can be measured with pyranometers with high accuracy if correctly maintained, there is a lack of these sensors in most of the countries and regions. Besides, the high spatial and temporal variability of solar irradiation make measurements from relatively nearby stations …