RSS 1.0Theses (Ph.D) - Physics / ดุษฎีนิพนธ์ - ฟิสิกส์
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Development of a model for calculating global spectral solar irradiance under all-sky conditions in Thailand
Collection: Theses (Ph.D) - Physics / ดุษฎีนิพนธ์ - ฟิสิกส์Type: Thesis(Silpakorn University, 4/7/2023)This thesis presents a model for computing global spectral solar irradiance under all-sky conditions in Thailand. The model expresses the global spectral irradiance under all- sky conditions as a multiplication of two ... -
Development of monthly average hourly maps of vitamin D weighted solar ultraviolet radiation for Thailand using an empirical model from ground- and satellite-based data
Collection: Theses (Ph.D) - Physics / ดุษฎีนิพนธ์ - ฟิสิกส์Type: Thesis(Silpakorn University, 4/7/2023)This thesis presents the development of maps of monthly average hourly vitamin D weighted solar ultraviolet radiation (DUV) for Thailand using an empirical model from ground- and satellite-based data. Spectral solar ... -
PERFORMANCE AND MODELING OF SOLAR VAPOR COMPRESSION REFRIGERATION SYSTEMS FOR COOLING FRUITS, VEGETABLES, AND BEVERAGES UNDER A THAI ENVIRONMENT
Collection: Theses (Ph.D) - Physics / ดุษฎีนิพนธ์ - ฟิสิกส์Type: Thesis(Silpakorn University, 4/7/2023)In this research work, performances of an Auto-Regressive with eXogeneous variables (ARX) and Artificial Neural Network (ANN) were compared. It was found that the ARX outperformed the ANN in predicting load temperature of ... -
A study of clouds in Thailand using ground and satellite based data
Collection: Theses (Ph.D) - Physics / ดุษฎีนิพนธ์ - ฟิสิกส์Type: Thesis(Silpakorn University, 1/7/2022)This research can be divided into three parts. The first part is to investigate the optical thickness of low cloud at Nakhon Pathom station (13.82°N, 100.04°E), Thailand during 2019-2020. A method for determining the ... -
Investigation of the expansion of the tropical zone and its effect on climate in Thailand
Collection: Theses (Ph.D) - Physics / ดุษฎีนิพนธ์ - ฟิสิกส์Type: Thesis(Silpakorn University, 1/7/2022)Amongst the issues associated with global climate change, the expansion of the tropics has become increasingly important. This expansion is normally demonstrated in the form of changes in the Hadley circulation. The first ...