Now showing items 1-20 of 85

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      Analysis of Wide Area Adjacent Track Erasure in Magnetic Write Heads using Magnetic Force Microscopy 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      ปรมาพร รักษาศักดิ์ชัย (Silpakorn University, 12/7/2019)
      Wide area adjacent track erasure (WATEr) is one of significant problems limiting the performance of magnetic write heads. This problem leads to the stored data near and also far from a written track being erased. Typically, ...
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      Apparatus for measuring frequency and magnetic response of magnetic force microscopy probes 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      ณัฐวัฒน์ พันธุ์ชาติ (Silpakorn University, 12/7/2019)
      Characterization and inspection of magnetic force microscopy (MFM) probes are generally done in a conventional atomic force microscope (AFM) with a patterned magnetic recording media as a test sample. During the characterization, ...
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      characterization of magnetic write heads using a high-frequency magnetic force microscope 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      คนิต ตำนานทอง (Silpakorn University, 12/7/2019)
      High-frequency magnetic force microscope (HF-MFM) was used to characterize perpendicular magnetic write heads in this thesis. The operation of the HF-MFM was similar to that of a conventional MFM technique, excepting that ...
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      A development of a model for calculating global solar illuminance using Himawari satellite data 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      ธฤษวรรณ บรรดาจันทร์ (Silpakorn University, 12/6/2020)
      In this research work, a model for calculating monthly average hourly global illuminance from Himawari satellite data was developed. A 3-year period (2016-2018) of data form the visible channel (0.51 m) of Himawari satellite ...
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      Development of a model for calculating sky radiance under cloudless skies with the aerosol effect 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      วลัยพร กล่อมเกลี้ยง (Silpakorn University, 12/7/2019)
      In this research work, a statistical model for calculating sky radiance under cloudless sky condition was developed. The proposed model is a multiplication of two functions namely gradation function and indicatrix function. ...
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      Development of a small-scale solar dryer for household use: Preliminary investigation of the performance and modelling 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      ทศพร ขุนแก้ว (Silpakorn University, 12/7/2019)
      In this research, a small-scale solar dryer for household use was developed.  The dryer consists of a semi-circle roof structure cover with polycarbonate solid sheet on a black-painted metal floor. The dimension of the ...
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      Development of statistical models for converting values of solar diffuse radiation from sky on horizontal plane to those of diffuse radiation on inclined planes using solar radiation data from 4 stations in Thailand 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      กัญญ์วรา มีอินถา (Silpakorn University, 12/7/2019)
      In this work, models for converting values of diffuse solar radiation on horizontal plane into those on tilted planes with various tilted angles and sky conditions. Values of diffuse solar radiation on tilted plans were ...
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      Development of typical meteorological dataset for daylight applications 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      ปทุมพร โง้วเจริญ (Silpakorn University, 12/7/2019)
      In this work, typical meteorological data (TMD) sets for daylight applications for Chiang Mai, Ubon Ratchathani, Nakhon Pathom and Songkhla were developed. In developing the TMD 10-year (2008 - 2017), data on solar radiation, ...
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      Drying of macadamia nuts 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      Chayapat Phusampao; ชยพัทธ์ ภูสำเภา (มหาวิทยาลัยศิลปากร, 2014)
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      EXPERIMENTAL AND DENSITY FUNCTIONAL THEORY STUDY ON GAS SENSING PROPERTIES OF ZINC OXIDE/GRAPHENE NANOCOMPOSITE 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      วรโชติ โพธาราม (Silpakorn University, 18/6/2021)
      Gas sensors are essential in a variety of applications, and they have been largely developed for detecting exhaust gases and air pollution. However, despite the progress that has been made, a number of challenges remain ...
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      Finite element simulations of a magnetic write head with different magnetic shield designs 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      ฤทธิรงค์ บานเย็น (Silpakorn University, 12/7/2019)
      Perpendicular magnetic write heads used in hard disk drive applications was generally composed of a main write pole surrounded by magnetic shields in order to reduce the fringing field expansion and thus improve area storage ...
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      Mapping solar radiation from ground and satellite-based data using a semi-empirical model 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      เยาวนันท์ ปานใจนาม (Silpakorn University, 12/7/2019)
      In this work, solar radiation maps were generated. A semi-empirical model for estimating monthly averaged global irradiation was developed. This model expresses the global irradiation as an empirical function of the ...
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      Micromagnetic Simulations of Exchange Coupled Composite Media 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      อัญชลี ชื่นชม (Silpakorn University, 12/7/2019)
       In this thesis, micromagnetic simulations of exchange coupled composite (ECC) media were employed aiming to study the motion of magnetic moments inside the ECC media and the M-H hysteresis loops. The simulations were ...
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      Micromagnetic study of pole tip remanance in perpendicular magnetic recording heads 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      ช่อแก้ว เจริญชาติ (Silpakorn University, 12/7/2019)
       In this thesis, the pole-tip remanence in magnetic write heads, which is one of significant problems in perpendicular magnetic recording, was studied using the open source micromagnetic simulation, object oriented ...
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      Physical and magnetic characterization of magnetic force microscopy tips 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      อดิวรรณ สังข์ทอง (Silpakorn University, 12/7/2019)
      A conventional magnetic force microscopy (MFM) technique is usually employed to image magnetic domains and patterns of ferromagnetic materials. This requires MFM probes that have an ultrahigh resolution for imaging small ...
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      Preliminary development of low-cost instrument for measuring solar ultraviolet radiation. 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      ศศิมาภรณ์ โมกขาว (Silpakorn University, 12/7/2019)
      In this work, a low-cost and modirately, accurate portable device for measuring solar ultraviolet radiation (UV) was developed at Silpakorn University in Nakhon Pathom (13.82ºN, 100.04ºE). The aim of the development of ...
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      A Preliminary Study of Atmospheric Water Vapour in Thailand 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      จินดารัตน์ ปริโยธร (Silpakorn University, 12/7/2019)
      In this work, a preliminary study of atmospheric water vapour in Thailand was carried out. The work consists of two parts. The first part was the development of  a model for estimating precipitable water and the second ...
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      A study of Cambodian - Thai cross - boundary aerosols  

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      จุไรรัตน์ โพธิ์มั่น (Silpakorn University, 18/6/2021)
      In this study, cross - boundary aerosols from Cambodia to Thailand during aerosol episode in December 2018 - February 2019, December 2019 - February 2020 and December 2020 - February 2021 were investigated. The investigation ...
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      A study of cloud base height and cloud cover at a tropical site in northern Thailand 

      Collection: Theses (Master's degree) - Physics / วิทยานิพนธ์ – ฟิสิกส์
      Type: Thesis
      สหัสษา พีงาม (Silpakorn University, 17/8/2018)
      The objectives of this research are to investigate the cloud base height (CBH) and cloud cover at tropical site (17.79๐N, 98.43๐E) in northern Thailand. A ceilometer was installed at the at the site to measure CBH during ...
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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 – ฟิสิกส์
      Type: Thesis
      เทพปัญญา แย้มเสียง (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 ...


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