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Validation of Direct Beam Irradiance Measurements From Rotating Shadowband Irradiometers in a Region With Different Atmospheric Conditions

Geuder, Norbert and Affolter, Roman and Goebel, Olaf and Dahleh, Basel and Al Khawaja, Mohamed and Wilbert, S. and Pape, Benedikt and Pulvermüller, Benedikt (2016) Validation of Direct Beam Irradiance Measurements From Rotating Shadowband Irradiometers in a Region With Different Atmospheric Conditions. Journal of Solar Energy Engineering, 138 (5), 051007-051007. American Society of Mechanical Engineers (ASME). doi: 10.1115/1.4034070. ISSN 0199-6231.

Full text not available from this repository.

Abstract

Rotating shadowband irradiometers (RSIs) are a common type of radiation sensors for measurement of direct normal irradiance (DNI) at remote sites where daily maintenance of the instruments is not feasible or practicable. Their primordial lower accuracy due to systematic deviations of the photodiode response can be improved significantly with a thorough calibration of each RSI against high precision sensors and application of suitable corrections on the raw data. With different available correction functions for the systematic errors, RSI data coincide with first class reference sensors within 2–3% root mean square deviation (RMSD) for 10 min averages of DNI and meet the annual irradiation sum within 1.5%. Such comparisons of RSI data to reference irradiances have only been published for a small number of sites. To endorse the credibility of RSI measurements, it has to be shown that these accuracies derived for certain locations are also valid at other sites with differing atmospheric conditions. Therefore, a parallel measurement campaign with six RSIs and a reference station with first class and secondary standard instrumentation has been performed in the in the extreme climate of the United Arab Emirates (UAE). The results of this comparison are presented in this paper. The stated empiric accuracy could be validated and confirmed for the UAE.

Item URL in elib:https://elib.dlr.de/108965/
Document Type:Article
Title:Validation of Direct Beam Irradiance Measurements From Rotating Shadowband Irradiometers in a Region With Different Atmospheric Conditions
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Geuder, NorbertUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Affolter, Romancsp servicesUNSPECIFIEDUNSPECIFIED
Goebel, Olafhamm-lippstadt university of applied sciencesUNSPECIFIEDUNSPECIFIED
Dahleh, BaselUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Al Khawaja, MohamedUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wilbert, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pape, BenediktUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pulvermüller, BenediktUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:2016
Journal or Publication Title:Journal of Solar Energy Engineering
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:138
DOI:10.1115/1.4034070
Page Range:051007-051007
Publisher:American Society of Mechanical Engineers (ASME)
ISSN:0199-6231
Status:Published
Keywords:Rotating Shadowband Irradiometers, Direct Beam Measurements
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Thermal Technology
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Impact of Desert Environment (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Qualifizierung
Deposited By: Kruschinski, Anja
Deposited On:05 Dec 2016 14:34
Last Modified:08 Mar 2018 18:45

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