Based on the behavior of filling pressure during semisolid alloy slurry filling process, a mathematicmodel of slurry flow coupled with apparent viscosity was established.
半固态刹车泵体两种入流形式的充填压力模拟分析与实际成形结果表明,径向入流方式具有较高的成形质量。
Learning from the successful experience in expressway passing through coal mine-out area,based on a scientific analysis,appraisal was made the mine-out area deformation and the stability of cover rock in the area,and full filling pressure grout injection method was adopted as the engineering measure for dive.
借鉴高速公路煤矿采空区的成功处理经验,通过科学分析,对采空区变形和区域内覆岩的稳定性做了评价,论述了输水线路穿采空区段采取全充填压力注浆法的工程处理方法。
This paper introduces the main methods,raw materials needed and equipment requirements of treating the mined-out area under the superhighway by using full-caving pressure-grouting method,and expounds the methods for the technical control,raw materials test and construction quality control in the construction.
介绍了采用全充填压力注浆法处置高速公路下伏煤矿采空区的主要方法、需用原材料、设备要求,论述了施工中的工艺控制、原材料试验以及施工质量检验等的方法。
Molten Filling in Vertical Centrifugal Casting and Its Numerical Simulation;
立式离心铸造熔体充填量的研究与模拟
Study on Mechanism and Application of Water Reducer in Filling Pulp;
减水剂在充填料浆中的作用机理及应用研究
Application of new filling technology to the mined-out area in the upper part of Woxi mineral field;
沃溪矿区上部空区处理充填新工艺的应用
The Laser Doppler Velocity(LDV) and computation fluid dynamics software(FLUENT) were introduced to test and simulate the fluid field in order to study the influences of packing screen plates on fluid environment of the packed-separation zone of cyclonic static micro-bubble column flotation.
为了研究充填筛板对旋流-静态微泡浮选柱分选段流体环境的影响,分别用激光粒度测速仪(LDV)和计算流体力学软件(FLUENT)对分选段的流体速度场分布进行测试与模拟,结果表明,轴向速度在0。
Based on sieve plates packing,a high-efficiency-mixed-packing mode which consisted of sieve plates packing and honeycomb tubes packing was proposed by optimizing packing modes in the separation zone of cyclonic static micro-bubble column flotation.
充填是提高浮选柱分选效率和降低浮选柱高度的有效途径之一。
This paper takes the Ruhr mining area in Germany as an example to discuss the technique of solid waste backfilling.
为了环境保护的需要,德国等许多国家积极开展利用废物进行地下充填的新的采矿法,使矿区环境得到保护以及采矿业达到可持续发展。
It is very difficult to accurately determine the deformation regularity of a backfilling and its surrounding rock today.
当前准确确定松散充填体及其周围岩体的变形规律还相当困难 ,在假定充填江砂被压缩成致密砂岩的极限条件下 ,运用有限元方法研究了充填体变形对地表建筑物的影响。