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This Paper describes development of high accuracy position making system using the mark robot and survey system. In the construction process of foundation works, the initial making on the base floor is very important work to set and built the construction materials exactly. However, the making errors were often reported by human error of marking worker. This trouble causes not only the lack of constriction...
Improvement of surge margin and reduction of interaction tone noise radiated from a centrifugal compressor with a vaned diffuser is discussed from experiments and CFD analyses. Two types of one-side tapered diffuser vanes, which are shroud- and hub-side tapered vanes, were used in the experiments. The height of the leading edge of the tapered vanes varied from 100% to 10%. Both types of tapered vanes...
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