Authors: Ahamed, Md Shamim, Guo, Huiqing, Tanino, Karen
Identifier: CSBE17057
Download file: https://library.csbe-scgab.ca/docs/meetings/2017/CSBE17057.pdf
Published in: CSBE-SCGAB Technical Conferences » AGM Winnipeg 2017 (with CIGR VI Technical Symposium)
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Description: The solar radiation data are very important for building thermal performance and solar application analysis. However, the continuous time series solar radiation data are not available for the most part of the world and the measured data available from a solar station become less accurate for a given location beyond 50 km from the measuring station. Cloud cover based solar radiation models (CRM) are very simple and convenient as the models require only cloud cover data which are mostly available from the meteorological stations. In this study, the performance of a cloud cover based solar radiation model (Kasten-Czeplak model) with original and locally fitted coefficient were evaluated for estimating the hourly global solar radiation for four different locations of Western Canada. The average R2, MBE, and RMSE are 0.82, -28.1 W m-2, and 109 W m-2, respectively, for the model with original coefficients, and 0.89, 1.2 W m-2, 76 W m-2 with locally fitted coefficients. Results show that Kasten-Czeplak model quit successfully estimate the hourly solar radiation of four different locations in Western Canada, but the use of local coefficient significantly improves the model accuracy. Also, the analysis of model performance indicates that the model with original coefficients has limited accuracy under intermediate cloud cover condition.
Keywords: global solar radiation, Kasten-Czeplak model, cloud cover, local coefficient
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Date: 2017-08-07
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Conference name: CSBE/SCGAB 2017 Annual Conference, Canad Inns Polo Park, Winnipeg, Manitoba, 6-10 August 2017.
Session name: Session 1C: Agricultural Structures
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Type: Text.Article
Format: PDF
Publication type: Technical conference
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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