期刊
JOURNAL OF WATERWAY PORT COASTAL AND OCEAN ENGINEERING
卷 138, 期 2, 页码 142-148出版社
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)WW.1943-5460.0000113
关键词
Turbidity current; Debris flow; Submarine slide; Streamlining pipelines; Computational fluid dynamics; Pipeline
Results are presented from experiments and computational fluid dynamics (CFD) simulations involving the streamlining of suspended underwater pipelines or structures subject to impacts from sediment/water mixtures. The experiments showed that a considerable reduction in force may be achieved by streamlining, and this reduction in force is most significant at lower Reynolds numbers. Several shapes were tested: round, airfoil, and wedge. Of these, the wedge exhibited the lowest drag coefficient-about one-fifth of the cylindrical pipe at low values of the Reynolds number, and about half at higher Reynolds numbers. DOI: 10.1061/(ASCE)WW.1943-5460.0000113. (C) 2012 American Society of Civil Engineers.
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