1) Diameter of hydraulic lifting pipeline
水力提升管路直径
2) the paths of improving technological ability
技术能力提升路径
3) lifting channel
提升管路
4) Diameter-changing riser
变径提升管
1.
Diameter-changing risers were applied wildly in many of these processes.
而认识循环床提升管,特别是变径段内的气固两相流特性是研究和开发新型变径提升管反应器的重要基础。
5) Hydraulic lifting
水力提升
1.
Experiment Study on Lifting Velocity and Concentration of Coarse Particles for Vertical Hydraulic Lifting;
粗颗粒垂直管水力提升速度与浓度的实验研究
2.
The critical lifting silt velocity for vertical hydraulic lifting is investigated by experiments,and the partly theoretical and partly experienced formula on the critical lifting silt velocity calculation for vertical hydraulic lifting is derived.
通过试验分析研究垂直管水力提升临界淤堵流速,推导垂直管水力提升临界淤堵流速的半理论半经验公式。
3.
On the basis of previous researches,the concentration characteristics of large size particles in vertical pipes by hydraulic lifting were studied through experiments and theoretical analyses.
在前人实验研究的基础上,通过实验与理论分析,研究了垂直管水力提升中的固体颗粒浓度特征。
6) hydraulic hoisting
水力提升
1.
Based on the characteristics of solid liquid flows such as their density, concentration, elastic modulus and resistance, the unsteady coarse grained solid liquid flow in hydraulic hoisting is simulated.
根据垂直管固液两相流的特征 ,考虑固液两相流密度、浓度、弹模、阻力等特点 ,对粗颗粒水力提升不稳定流进行数值模拟。
2.
Based on the slurry pipeline transportation theory, the paper studies the pressure-loss form of manganese nodule liquid-solid two-phase flow in the hydraulic lifting pipe, and meanwhile deduces the model of pressure loss and its calculated formulas, which provides theoretical basis for the dynamic design of hydraulic hoisting.
运用浆体管道输送理论,探讨了扬矿管内锰结核两相流的压力损失形式,推导出压力损失模型和计算公式,为水力提升动力设计提供理论依据,且通过模拟计算可知该模型具有较高的可靠性。
补充资料：水力平均直径
分子式：
CAS号：
性质：又称当量直径。在研究管中流体流动时，对非圆形管引入的相当于圆形管直径的具有长度因次的量。水力平均直径dm由下式计算：。式中rH又称为水力半径。非圆形管的流动情况与圆形管有些差别，水力平均直径是计算时的一种处理方法，引入水力平均直径后，计算摩擦损失可应用圆形管公式、不会有大的误差。计算滞流摩擦阻力时，用水力平均直径要作一定的修正。
CAS号：
性质：又称当量直径。在研究管中流体流动时，对非圆形管引入的相当于圆形管直径的具有长度因次的量。水力平均直径dm由下式计算：。式中rH又称为水力半径。非圆形管的流动情况与圆形管有些差别，水力平均直径是计算时的一种处理方法，引入水力平均直径后，计算摩擦损失可应用圆形管公式、不会有大的误差。计算滞流摩擦阻力时，用水力平均直径要作一定的修正。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条