Woei Chang

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Myliobatidae is a family of large pelagic rays including cownose, eagle and manta rays. They are extremely efficient swimmers, can cruise at high speeds and can perform turn-on-a-dime maneuvering, making these fishes excellent inspiration for an autonomous underwater vehicle. Myliobatoids have been studied extensively from a biological perspective; however(More)
To simulate gate leakage in InAs/AlSb HEMTs, we create a detailed model within the framework of density gradient theory that incorporates the entire InAs/AlSb heterostructure, the quantum confinement and non-parabolicity effects in the InAs well and generation/recombination at the Type II InAs/AlSb heterojunction (via both the spatially indirect(More)
As an attempt to improve the performances of multi-entry gullies with applications to drainage system of a building, the hydrodynamic characteristics of air-water flows through the gullies with and without swirl generation vanes (SGV) are experimentally and numerically examined. With the aid of present Charge Coupled Device (CCD) image and optical systems(More)
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