【摘要】：油液中含有顆粒物會影響設(shè)備的正常運(yùn)行,考察不同初始速度條件下含顆粒油液的懸浮流中各相的動態(tài)特征,利用連續(xù)介質(zhì)模型建立含懸浮顆粒油液的動力學(xué)模型,并通過特征線法進(jìn)行數(shù)值求解,得到在不同初始速度條件下各相參數(shù)的變化趨勢。結(jié)果表明:不同初始速度條件下管路始端、中段和終端油液的壓力、流速都分別在T/4的奇數(shù)倍、整數(shù)倍、偶數(shù)倍時刻產(chǎn)生躍變,且它們的周期(T)都隨著初始速度的增加而減小;懸浮顆粒的濃度分布與油液壓力的變化趨勢相反。
[Abstract]:The presence of particles in the oil will affect the normal operation of the equipment. The dynamic characteristics of each phase in the suspension flow with different initial velocity are investigated, and the kinetic model of the oil containing suspended particles is established by using the continuum model. The change trend of phase parameters under different initial velocities is obtained by means of the characteristic line method. The results show that under different initial velocities, the pressure and velocity of the oil at the beginning, middle and end of the pipeline are at the odd times of T / 4, integer times and even times, respectively, and their periodic (T) decreases with the increase of initial velocity. The concentration distribution of suspended particles is opposite to that of oil pressure.
【作者單位】： 重慶工商大學(xué)廢油資源化技術(shù)與裝備工程研究中心;
【基金】：國家自然科學(xué)基金項(xiàng)目(51375516)
【分類號】：TE62

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