Shiro Ikuta

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A compact ARROW-type vertical coupler for three-dimensional optical interconnects was demonstrated. The refractive index and thickness of intermediate cladding were optimally designed to achieve large fabrication tolerance and short coupling length with high coupling efficiency. Very short coupling length of 800 /spl mu/m and high coupling efficiency of 96%(More)
In this study, the method for predicting the performance of multi-pass type evaporators for automobile air conditioners is developed. The present study is based on the previous studies of the flow boiling heat transfer and two phase pressure drop in small diameter tubes. The heat transfer rate, distribution of air/refrigerant temperature, pressure, vapor(More)
When a two-phase flow is within in the header, the phases are distributed unequally into the branches. A maldistribution will lead to a performance deterioration of these heat exchangers mostly evaporators. This paper presents an experimental study on two-phase flow in minichannel-branch headers for evaporators. The test section consists of a 9 mm i.d.(More)
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