Numerical Simulation of Flow Field of Cavitating Water Jet in Angel Nozzle
Physical model of angle nozzle was established. Based on the CFD software of FLUENT, the flow field about cavitating water jet in angle nozzle was simulated by use of mixture model, Singhal complete cavitation model, RNG turbulent model and SIMPLEC algorithm. The simulation results show that there a...
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| Veröffentlicht in: | Applied Mechanics and Materials 2012-10, Vol.203, p.438-442 |
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| creator | Guan, Jin Fa Hua, Wei Xing Deng, Song Sheng |
| description | Physical model of angle nozzle was established. Based on the CFD software of FLUENT, the flow field about cavitating water jet in angle nozzle was simulated by use of mixture model, Singhal complete cavitation model, RNG turbulent model and SIMPLEC algorithm. The simulation results show that there are two low pressure regions and two regions of high volume fraction of steam in angle nozzle. The region of high volume fraction of steam corresponds with low pressure region. The region of high volume fraction of steam mainly lies near the exit of column section and approximates to a semicircle. In this region, the volume fraction of steam reaches the maximum value at a point of on-wall. Taking that point as the centre, the volume fraction of steam decreases gradually from interior to exterior. |
| doi_str_mv | 10.4028/www.scientific.net/AMM.203.438 |
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Based on the CFD software of FLUENT, the flow field about cavitating water jet in angle nozzle was simulated by use of mixture model, Singhal complete cavitation model, RNG turbulent model and SIMPLEC algorithm. The simulation results show that there are two low pressure regions and two regions of high volume fraction of steam in angle nozzle. The region of high volume fraction of steam corresponds with low pressure region. The region of high volume fraction of steam mainly lies near the exit of column section and approximates to a semicircle. In this region, the volume fraction of steam reaches the maximum value at a point of on-wall. Taking that point as the centre, the volume fraction of steam decreases gradually from interior to exterior.</description><identifier>ISSN: 1660-9336</identifier><identifier>ISSN: 1662-7482</identifier><identifier>ISBN: 9783037854921</identifier><identifier>ISBN: 3037854928</identifier><identifier>EISSN: 1662-7482</identifier><identifier>DOI: 10.4028/www.scientific.net/AMM.203.438</identifier><language>eng</language><publisher>Zurich: Trans Tech Publications Ltd</publisher><ispartof>Applied Mechanics and Materials, 2012-10, Vol.203, p.438-442</ispartof><rights>2012 Trans Tech Publications Ltd</rights><rights>Copyright Trans Tech Publications Ltd. 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| title | Numerical Simulation of Flow Field of Cavitating Water Jet in Angel Nozzle |
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