Graduate Thesis Or Dissertation
 

Sand pumping efficiency of a water ejector apparatus

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/9880vt662

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  • The purpose of this investigation is to study the effect of the solid transport capacity in pumping operation: A special type of jet apparatus was investigated which emits a water jet downward counter current to delivery flow, from inside of the suction pipe toward sediment to be excavated. Two sizes of jet pipe were considered; each was tested at three different positions for a centrifugal delivery pump operated in its economic range of operation. This jet pipe discharge was confirmed to increase sand transport capacity of the centrifugal delivery pump as the jet mouth was in the position close to the annular suction mouth. At this position, the sand transport capacity of the centrifugal delivery pump increased as the jet discharge increased. When the jet mouth was positioned above the area close to the suction mouth, the sand transport capacity of the centrifugal delivery pump decreased. As the jet mouth was extended below the area close to the suction mouth, the sand transport capacity of the centrifugal delivery pump was nearly equal in either case of pumping with or without the jet water in operation.
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  • File scanned at 300 ppi using Capture Perfect 3.0 on a Canon DR-9050C in PDF format. CVista PdfCompressor 5.0 was used for pdf compression and textual OCR.
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file details SaguanwongseSuvat1968_Redacted.pdf 2017-08-14 Pubblico Scaricare