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차경옥,김재근,이동상 明知大學校 産業技術硏究所 1998 産業技術硏究所論文集 Vol.17 No.-
The most spectacular success of polymer drag reduction has been the use of oil soluble polymers in the transport alaska pipeline where drag reduction has been decreased by significant amount. Polymer drag reduction offers on attactive way to utilize available production without additional large capital expenditure, since the polymer system is compact and transportable. The objective of the proposed investigation are primarily in identifying and developing high performance polymer additives for fluid transportations with the benefits of turbulent drag reduction. Also we make a careful comparession horizontal flow and vertical up ward flow in close system by measuring void fraction, pressure drop. Copolymer〔A611P〕are used for various polymer conditions.