Direct normal irradiance estimation based on total radiance monitoring data inputs / Siti Hajar Zahari
Total solar radiation consists of direct normal irradiance and diffused horizontal irradiance. Direct normal irradiance can be estimated by obtained the total solar radiation. Total solar radiation can be measured by using pyranometer as pyranometer is a device that collect global solar radiation. T...
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my.uitm.ir.496472021-09-15T02:07:56Z https://ir.uitm.edu.my/id/eprint/49647/ Direct normal irradiance estimation based on total radiance monitoring data inputs / Siti Hajar Zahari Zahari, Siti Hajar Radiation physics (General) Solar energy Total solar radiation consists of direct normal irradiance and diffused horizontal irradiance. Direct normal irradiance can be estimated by obtained the total solar radiation. Total solar radiation can be measured by using pyranometer as pyranometer is a device that collect global solar radiation. Then, direct normal irradiance can be measured more accurately by using modified pyranometer that have the same function as pyrheliometer. The solar radiation and ambient temperature are depending on the solar time. The more exposure of the sun, the higher solar radiation reached to the Earth’s surface. The radiation was monitored at latitude of 7˚N in Perlis to get the relation between total solar radiation with DNI and DHI. DNI and DHI can be obtained from the calculated models. The relation between total solar radiation with DNI and DHI can be obtained by plotting graph and the result must be in linear graph as DNI, DHI and GHI are directly proportional to each other. Due to restriction imposed by MKN, data cannot be measured on the selected site and the total solar radiation were taken from other researchers at difference places and the calculated DHI and DNI was performed using a suitable model which were Daneshyar-Paltridege-Proctor (DPP) model and the equation of Danandeh and G Mousavi respectively and the result shows that a linear correlation between GBn with DNI and DHI. 2021-08-17 Student Project NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/49647/1/49647.pdf ID49647 Zahari, Siti Hajar (2021) Direct normal irradiance estimation based on total radiance monitoring data inputs / Siti Hajar Zahari. [Student Project] (Unpublished) |
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Radiation physics (General) Solar energy Zahari, Siti Hajar Direct normal irradiance estimation based on total radiance monitoring data inputs / Siti Hajar Zahari |
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Total solar radiation consists of direct normal irradiance and diffused horizontal irradiance. Direct normal irradiance can be estimated by obtained the total solar radiation. Total solar radiation can be measured by using pyranometer as pyranometer is a device that collect global solar radiation. Then, direct normal irradiance can be measured more accurately by using modified pyranometer that have the same function as pyrheliometer. The solar radiation and ambient temperature are depending on the solar time. The more exposure of the sun, the higher solar radiation reached to the Earth’s surface. The radiation was monitored at latitude of 7˚N in Perlis to get the relation between total solar radiation with DNI and DHI. DNI and DHI can be obtained from the calculated models. The relation between total solar radiation with DNI and DHI can be obtained by plotting graph and the result must be in linear graph as DNI, DHI and GHI are directly proportional to each other. Due to restriction imposed by MKN, data cannot be measured on the selected site and the total solar radiation were taken from other researchers at difference places and the calculated DHI and DNI was performed using a suitable model which were Daneshyar-Paltridege-Proctor (DPP) model and the equation of Danandeh and G Mousavi respectively and the result shows that a linear correlation between GBn with DNI and DHI. |
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Zahari, Siti Hajar |
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Zahari, Siti Hajar |
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Zahari, Siti Hajar |
title |
Direct normal irradiance estimation based on total radiance monitoring data inputs / Siti Hajar Zahari |
title_short |
Direct normal irradiance estimation based on total radiance monitoring data inputs / Siti Hajar Zahari |
title_full |
Direct normal irradiance estimation based on total radiance monitoring data inputs / Siti Hajar Zahari |
title_fullStr |
Direct normal irradiance estimation based on total radiance monitoring data inputs / Siti Hajar Zahari |
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Direct normal irradiance estimation based on total radiance monitoring data inputs / Siti Hajar Zahari |
title_sort |
direct normal irradiance estimation based on total radiance monitoring data inputs / siti hajar zahari |
publishDate |
2021 |
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https://ir.uitm.edu.my/id/eprint/49647/1/49647.pdf https://ir.uitm.edu.my/id/eprint/49647/ |
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