本文關(guān)鍵詞： KCS船 CFD 滑移網(wǎng)格技術(shù) 粘性流場(chǎng) 船槳舵干擾　出處：《江蘇科技大學(xué)學(xué)報(bào)(自然科學(xué)版)》2016年03期 　論文類型：期刊論文

【摘要】：以KCS船為研究對(duì)象,基于計(jì)算流體力學(xué)(computational fluid dyamics,CFD)方法,運(yùn)用滑移網(wǎng)格技術(shù),對(duì)粘性流場(chǎng)中的裸船體、船槳、船槳舵進(jìn)行計(jì)及自由液面的非定常干擾數(shù)值模擬.計(jì)算了裸船體的阻力,船槳及船槳舵在螺旋槳轉(zhuǎn)速分別為9.1~9.9(r·s-1)共9個(gè)工況下的阻力值.計(jì)算結(jié)果表明:船與船槳的阻力計(jì)算結(jié)果與實(shí)驗(yàn)結(jié)果吻合良好,相對(duì)誤差均在5%以內(nèi),并得出與實(shí)驗(yàn)結(jié)果相匹配的螺旋槳轉(zhuǎn)速.通過對(duì)船槳舵的整體求解,討論了螺旋槳及舵對(duì)船體尾流場(chǎng)的影響,得出船尾部的速度與壓力分布狀況,對(duì)船舶實(shí)際流場(chǎng)的預(yù)報(bào)具有實(shí)際意義.
[Abstract]:Taking KCS ship as research object, based on computational fluid dynamics (CFD) method and sliding grid technique, the naked hull and propeller in viscous flow field are studied. Numerical simulation of unsteady disturbance with free liquid surface is carried out on the propeller rudder. The resistance of the naked hull is calculated. The resistance values of propeller and rudder under 9 working conditions of propeller speed of 9.1 ~ 9.9r 路s-1.The calculated results show that the calculated results of ship and propeller resistance are in good agreement with the experimental results, and the relative errors are within 5%. The effects of propeller and rudder on the wake flow field of the ship are discussed, and the velocity and pressure distribution of the stern of the ship is obtained. It is of practical significance for the prediction of ship's actual flow field.
【作者單位】： 江蘇科技大學(xué)船舶與海洋工程學(xué)院;
【分類號(hào)】：U674.131

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