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Analysis on the Trade-off between an Hydro-power Project and Other Alternatives in Myanmar
Nyein Nyein Aye,Takao Fujiwara 아시아기술혁신학회 2019 Asian Journal of Innovation and Policy Vol.8 No.1
Myanmar’s current power situation remains severely constrained despite being richly endowed in primary energy sources. With low levels of electrification, the demand for power is not adequately met. Cooperation in energy has been a major focus of future initiative for all developed and developing nations. If we want to solve climate change, and change our energy infrastructure, we need to be innovative and entre-preneurial in energy generation. This paper will help us in examining Bayesian MCMC Analysis for the parameters estimation among the arrival rates of disaster occurrences, firm’s expected income-based electricity tariffs, and estimated R&D investment expenses in new energy industry. Focusing on Japan’s electric power business, we would like to search the potential for innovative initiatives in new technological energy industry for the regional development and ecological sustainability in Myanmar.
Analysis on the Trade-off between an Hydro-power Project and Other Alternatives in Myanmar
Aye, Nyein Nyein,Fujiwara, Takao Asian Society for Innovation and Policy 2019 Asian Journal of Innovation and Policy Vol.8 No.1
Myanmar's current power situation remains severely constrained despite being richly endowed in primary energy sources. With low levels of electrification, the demand for power is not adequately met. Cooperation in energy has been a major focus of future initiative for all developed and developing nations. If we want to solve climate change, and change our energy infrastructure, we need to be innovative and entrepreneurial in energy generation. This paper will help us in examining Bayesian MCMC Analysis for the parameters estimation among the arrival rates of disaster occurrences, firm's expected income-based electricity tariffs, and estimated R&D investment expenses in new energy industry. Focusing on Japan's electric power business, we would like to search the potential for innovative initiatives in new technological energy industry for the regional development and ecological sustainability in Myanmar.
Numerical Study of Important Factors for a Vortex Shedder using Automated Design Cycle
Nyein, Su Myat,Xu, He Korean Society for Fluid machinery 2015 International journal of fluid machinery and syste Vol.8 No.3
The good performance of a vortex shedder is defined by strong and stable vortex generated under the condition of most linearity in Strouhal number and low power loss. In this paper, the flow past a bluff body of circular cylinder with a slit normal to the flow has been analyzed focusing on drag coefficient, linearity of Strouhal number and flow resistance (K-factor). The ANSYS/FLUENT package is used for flow simulation and the integration method of computational code to iSIGHT platform is employed for automated design cycle. This study results the design with (0.20~0.267) blockage ratio and 0.10 slit ratio as the best shedder for vortex flowmeter and this results are in well agreement with the experiment. As the combination of GAMBIT, FLUENT, and iSIGHT substitutes the design parameters automatically according to the input data, this method designs effectively the vortex shedder with less design cycle time and low manufacturing cost eliminating the human intervention bottleneck.
Parametric Optimization of Vortex Shedder based on Combination of Gambit, Fluent and iSIGHT
Nyein, Su Myat,Xu, He,YU, Hongpeng Korean Society for Fluid machinery 2016 International journal of fluid machinery and syste Vol.9 No.2
In this paper, a new framework that works the automatic execution with less design cycle time and human intervention bottlenecks is introduced to optimize the vortex shedder design by numerical integration method. This framework is based on iSIGHT combined with the pre-processor GAMBIT, and flow analysis software FLUENT. Two vortex shedders, circular with slit and triangular- semi circular cylinder, are employed as the designed models to be optimized, and DOE driver is used for optimization. According to the essential properties of a vortex shedder, it has found that the best diameters are 30mm for circular cylinder with slit and 30 to 35 mm for tri-semi cylinder. For slit ratio, 0.1 and 0.15 are the optimized values for circular with slit and tri-semi cylinder respectively. And it is found that these optimal results generated by DOE automated design cycle are in well agreement with the experiment.
Cerebellar Clear Cell Ependymoma in a 10-Year-Old Girl
Aye Nyein Thinzar,박지상,문아림,황선철,홍현숙,이아름,장기현,김희경,진수지 대한영상의학회 2016 대한영상의학회지 Vol.74 No.1
Clear cell ependymoma (CCE) is a histological rare variant (1–5%) of ependymoma, which is distinguished from other histological subtypes by the presence of fusiform cells arrayed radially around small blood vessels. These alleged perivascular pseudorosettes are significant characteristic features of ependymomas. About 95% of infratentorial ependymomas are found in the fourth ventricle and the remainder occurs as cerebellopontine angle lesions. In previous reports, the cerebellum is found to be a rare location for ependymoma. In this study we report one case of CCE originating from the cerebellar hemisphere, showing unusual morphology on 3T MRI.
Parametric Optimization of Vortex Shedder based on Combination of Gambit, Fluent and iSIGHT
Su Myat Nyein,He Xu,Hongpeng YU 한국유체기계학회 2016 International journal of fluid machinery and syste Vol.9 No.2
In this paper, a new framework that works the automatic execution with less design cycle time and human intervention bottlenecks is introduced to optimize the vortex shedder design by numerical integration method. This framework is based on iSIGHT combined with the pre-processor GAMBIT, and flow analysis software FLUENT. Two vortex shedders, circular with slit and triangular- semi circular cylinder, are employed as the designed models to be optimized, and DOE driver is used for optimization. According to the essential properties of a vortex shedder, it has found that the best diameters are 30 ㎜ for circular cylinder with slit and 30 to 35 ㎜ for tri-semi cylinder. For slit ratio, 0.1 and 0.15 are the optimized values for circular with slit and tri-semi cylinder respectively. And it is found that these optimal results generated by DOE automated design cycle are in well agreement with the experiment.