CAJ | 학술논문

为提高赛艇器材的性能,需要对赛艇的阻力特性进行研究。采用数值模拟的方法研究了赛艇的阻力性能,模拟时湍流模型采用RNG k-ε模型,自由面处理采用VOF方法,并通过与实验结果的对比证实了数值方法的有效性。研究结果表明,通过数值模拟可以较准确地预测赛艇阻力,并能捕捉赛艇周围的自由面,获得赛艇周围的流场信息。通过研究,可以为进一步优化赛艇艇型的研究奠定基础。
위제고새정기재적성능,수요대새정적조력특성진행연구。채용수치모의적방법연구료새정적조력성능,모의시단류모형채용RNG k-ε모형,자유면처리채용VOF방법,병통과여실험결과적대비증실료수치방법적유효성。연구결과표명,통과수치모의가이교준학지예측새정조력,병능포착새정주위적자유면,획득새정주위적류장신식。통과연구,가이위진일보우화새정정형적연구전정기출。
In order to improve rowing performance,the numerical simulation is used to research resistance feature of rowing in this paper.The RNG k-ε turbulent model and VOF method are used to calculate flow field around rowing.The comparison between calculated results and experiments show numerical calculation can predict resistance force correctly.The research show numerical simulation can correctly predict rowing resistance and capture free face around rowing.The speed vectors and pressure contours are also obtained through numerical method.The study of this paper provide basis for optimizing structure of rowing.