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Titolo: Hydrodynamic forces on partly buried tandem, twin pipelines in current
Autore: Cokgor, S; Avci, I;
- Indirizzi:
- Istanbul Tech Univ, Fac Civil Engn, Div Hydraul, TR-80626 Istanbul, TurkeyIstanbul Tech Univ Istanbul Turkey TR-80626 l, TR-80626 Istanbul, Turkey
- Titolo Testata:
- OCEAN ENGINEERING
fascicolo: 10,
volume: 28,
anno: 2001,
pagine: 1349 - 1360
- SICI:
- 0029-8018(200110)28:10<1349:HFOPBT>2.0.ZU;2-P
- Fonte:
- ISI
- Lingua:
- ENG
- Soggetto:
- CIRCULAR-CYLINDER; PLANE BOUNDARY; FLOW;
- Keywords:
- hydrodynamic forces; pressure distribution; tandem twin cylinders; steady current;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Engineering, Computing & Technology
- Citazioni:
- 14
- Recensione:
- Indirizzi per estratti:
- Indirizzo: Cokgor, S Virginia Polytech Inst & State Univ, Dept Civil Engn, Div Hydrosyst, Patton Hall, Blacksburg, VA 24061 USA Virginia Polytech Inst & State Univ Patton Hall Blacksburg VA USA 24061
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- Citazione:
- S. Cokgor e I. Avci, "Hydrodynamic forces on partly buried tandem, twin pipelines in current", OCEAN ENG, 28(10), 2001, pp. 1349-1360
Abstract
This study extends the investigations of the forces on a cylinder, laid on, or partly buried in the bed with a parallel twin dummy cylinder nearby and without it, and were determined by measuring the pressure distribution onthe cylinder in the case of a steady current. The pressure distribution around the cylinder was measured by using pressure transducers. The forces onthe cylinder were calculated by the integration of the measured pressures on the surface of the cylinder. Force coefficients were obtained for the ranges of Re=0.8x10(4)-1.5x10(4) for the burial depth to diameter ratio=0:0.7. The distance between axis of the measurement and dummy cylinders to diameter ratio (x/D) was 2, 1.5 and 1. The dummy cylinder was replaced downstream and upstream of the measurement cylinder. (C) 2001 Elsevier Science Ltd. All rights reserved.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 22/05/13 alle ore 06:21:14