Technology Reports of Kansai University (ISSN: 04532198) is a monthly peer-reviewed and open-access international Journal. It was first built in 1959 and officially in 1975 till now by kansai university, japan. The journal covers all sort of engineering topic, mathematics and physics. Technology Reports of Kansai University (TRKU) was closed access journal until 2017. After that TRKU became open access journal. TRKU is a scopus indexed journal and directly run by faculty of engineering, kansai university.
Technology Reports of Kansai University (ISSN: 04532198) is a peer-reviewed journal. The journal covers all sort of engineering topic as well as mathematics and physics. the journal's scopes are
in the following fields but not limited to:
In managing Thailand to achieve sustainability indeed requires a simultaneous growth in economic, social and environmental dimension. This study has analyzed the efficiency of governmental administration under the environmental law in terms of greenhouse gas emission. Specifically, it presents factors of the total values of embedded energy and embedded greenhouse gas (GHG) that required and emitted from utilization of any commodities produced by 180 Thai economic sectors. The argument on disadvantage of outdated IOA data was improved by updating sectoral energy consumption elements in the power sector which is found significant to all other sectors in the economy. The most up-to-date data, i.e. the 2010 Input-Output (I-O) table was used to represent the economic structure, and the 2005 sectoral energy consumption was used to represent individual energy consumption. Thai electric power report was referred for updating the 2005 fuel mix in the power sector to represent the 2010 and the 2015 ones. Influence of fuel mix change in the power sector is found significant to the total energy content and total GHG emission factors. The total energy content and the GHG emission factors under the 2015 electricity-fuel mix are presented. Besides, Thailand’s energy consumption is detected an increase, leading to a continuous growth in greenhouse gas emission. This growth further puts Thailand at risk exceeding her carrying capacity, thus negatively impacting the environment. Therefore, the efficient national administration for Thailand 4.0 cannot be achieved if this phenomenon remains unchanged
This article presents an optimization study to find the optimal partial transmission ratios for a mechanical driven system having a chain drive and a worm-helical gearbox. To find the optimum ratios, the system cross section area was selected as the target of the optimization problem. In addition, the effects of the design factors containing the total system ratio, the coefficient for calculating worm diameter coefficient, the wheel face width coefficient, the allowable contact stress of the helical gear set, and the output torque was investigated. To evaluate the influence of these input parameters on the optimum ratios, a simulation experiment was designed and conducted by computer programs. Furthermore, equations for calculating the optimum partial ratios of the systems were suggested. Based on those equations, the determination of optimum ratios can be determined accurately and uncomplicated.
