Browsing by Author "Serm Janjai"
Now showing items 21-30 of 30
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A Study of Diffuse Solar Ultraviolet Radiation from The Measurements at 4 Stations in the Main Regions of Thailand
Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์Type: Thesis(Silpakorn University, 12/7/2019)In this research, diffuse solar ultraviolet radiation (EUV) from four measuring stations in the main regions of Thailand, namely Chiang Mai (CM, 18.78°N, 98.98°E), Ubon Ratchathani (UB, 15.25°N, 104.87°E), Nakhon Pathom ... -
A study of monthly average daily global solar radiation from measuring stations in Thailand
Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์Type: Thesis(Silpakorn University, 1/7/2022)Monthly average daily global solar radiation data are very important for designing and evaluating of the performance the solar energy technologies, which require long-term solar radiation data. Therefore, this study aims ... -
A study of net radiation from data collected at Nakhon Pathom meteorological station
Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์Type: Thesis(Silpakorn University, 1/7/2022)In this work, the net radiation was measured by using a net radiometer (Kipp&Zonen: CNR4) located at Kamphaeng Saen district, Nakhon Pathom, Thailand. Five-year period (2017-2021) of the net radiation data from this ... -
A study of optical properties of aerosols at Lopburi province by using a spectroradiometer modified for measuring spectral direct radiation
Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์Type: Thesis(Silpakorn University, 12/7/2019)In this work, a spectroradiometer for measuring spectral global solar radiation was modified by covering its glass dome with a collimator to allow direct radiation to be incident on the sensor of this instrument. Then this ... -
A study of solar near infrared global and diffuse radiation in Thailand from ground and satellite-based data
Collection: Theses (Ph.D) - Physics / ดุษฎีนิพนธ์ - ฟิสิกส์Type: Thesis(Silpakorn University, 12/7/2019)In this work, global and diffuse solar near infrared radiation (SNIR) were measured at four stations in Thailand namely, the Meteorological Center in Chiang Mai (18.78°N, 98.98°E), the Meteorological Center in Ubon ... -
A study of solar radiation spectrum from data collected at Nakhon Pathom station
Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์Type: Thesis(Silpakorn University, 12/6/2020)In this work, the performance of three direct solar spectral models under clear sky condition and three diffuse solar spectral model under clear sky condition were investigated. The spectral values calculated from the model ... -
A study of solar ultraviolet radiation under clear sky condition measured at stations situated in main regions of Thailand
Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์Type: Thesis(Silpakorn University, 12/6/2020)In this study, global and diffuse solar erythemal ultraviolet radiation under clear sky condition measured at stations localed in main regions of Thailand was analysed. These stations are Chiang Mai (18.78 °N, 98.98 °E) ... -
A Study of Spectral Solar Radiation Models under cloudless skies
Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์Type: Thesis(Silpakorn University, 12/7/2019)Comparisons of the models for estimating direct-beam and diffuse horizontal solar spectral irradiances under cloudless sky conditions were examined with the direct-beam and diffuse horizontal solar spectral irradiances ... -
A study of the effect of diffuse solar radiation on the performance of a parabola dome solar dryer
Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์Type: Thesis(Silpakorn University, 1/7/2022)The objective of this research is to study the effect of diffuse solar radiation on the parabola dome solar dryer using mathematical modeling. The model is based on heat transfer equations which consider the thermophysical ... -
A study of solar ultraviolet radiation at a solar monitoring station of Silpakorn University in Nakhon Pathom
Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์Type: Thesis(Silpakorn University, 17/8/2018)In this work, spectral solar ultraviolet (UV) radiation was measured during 2015-2017 using a spectroradiometer at Silpakorn University (13.82๐N, 100.04๐E) in Nakhon Pathom. In addition, spectral UV data obtained from this ...