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两相流中以球形阳离子交换树脂(平均直径d_p=600μm)为固体粒子,其在流场中运动轨迹基本上是直线。粒子末与壁面碰撞时粒子最终速度可达来流速度的40％～60％。碰撞后速度下降,碰撞后与碰撞前速度之比与入射角β_1有关。通过实验数据拟合得到U_(p2)/U_(p1)=1.0+0.166β_1-1.293β_1~2+0.689β_1~3-0.00329β_1~4。该式与他人结果有差别,说明模拟实验需进行相似理论分析,以选择适当的粒子。
Two-phase flow to the spherical cation exchange resin (average diameter d_p = 600μm) as solid particles, and its trajectory in the flow field is essentially a straight line. Particle end collision with the particle final velocity up to flow rate of 40% to 60%. After the collision, the velocity decreased. The ratio of the collision velocity to the collision velocity was related to the incident angle β_1. The experimental data obtained by fitting U_ (p2) / U_ (p1) = 1.0 + 0.166β_1-1.293β_1 ~ 2 + 0.689β_1 ~ 3-0.00329β_1 ~ 4. This formula is different from the results of others, indicating that simulation experiments need to carry out similar theoretical analysis to select the appropriate particles.