海军工程大学学报
海軍工程大學學報
해군공정대학학보
JOURNAL OF NAVAL UNIVERSITY OF ENGINEERING
2010年
1期
101-106
,共6页
螺旋桨%切割装置%RANS方程%水动力性能%缠绕物
螺鏇槳%切割裝置%RANS方程%水動力性能%纏繞物
라선장%절할장치%RANS방정%수동력성능%전요물
propeller%cutting equipment%RANS equation%hydrodynamic performance%entanglemant
将螺旋桨缠绕物切割装置与螺旋桨作为组合推进器,并运用基于RANS方程的多参考系模型计算了加装切割装置对螺旋桨水动力性能的影响.计算结果表明,加装的切割装置对螺旋桨的敞水性能影响较小,在±2%左右;切割装置对螺旋桨叶面压力的影响在半径较小的叶切面上比半径较大的叶切面上明显;各叶切面上导边受到的影响最大.从总体上看,增加切割装置不足以对螺旋桨的空泡性能和噪声性能造成明显的影响.
將螺鏇槳纏繞物切割裝置與螺鏇槳作為組閤推進器,併運用基于RANS方程的多參攷繫模型計算瞭加裝切割裝置對螺鏇槳水動力性能的影響.計算結果錶明,加裝的切割裝置對螺鏇槳的敞水性能影響較小,在±2%左右;切割裝置對螺鏇槳葉麵壓力的影響在半徑較小的葉切麵上比半徑較大的葉切麵上明顯;各葉切麵上導邊受到的影響最大.從總體上看,增加切割裝置不足以對螺鏇槳的空泡性能和譟聲性能造成明顯的影響.
장라선장전요물절할장치여라선장작위조합추진기,병운용기우RANS방정적다삼고계모형계산료가장절할장치대라선장수동력성능적영향.계산결과표명,가장적절할장치대라선장적창수성능영향교소,재±2%좌우;절할장치대라선장협면압력적영향재반경교소적협절면상비반경교대적협절면상명현;각협절면상도변수도적영향최대.종총체상간,증가절할장치불족이대라선장적공포성능화조성성능조성명현적영향.
Regarding the propeller and entanglemant cutting equipment as a whole, this paper calculated the influence on the propeller hydrodynamic performance of propeller by MRF RANS equation. The results show that the influence on the open-water performance of propeller is within 2%;the farther the radial section distance from the axis of rotation is, the more obvious the influences on pressure of the blades are;the influence on pressure of the leading edge is the most obvious. In general, the influence on the cavitations and acoustic performance of propeller is small enough to be ignored.
