The computation results show that the effect of density to laminar bottom layer in vertical pipeline is obvious and is bigger than that of viscosity, which can not be ignored.
研究结果表明,密度对竖直管道顺序输送过程中层流底层的影响比较明显,并且大于粘度影响,不可忽略。
The correlation of various parameters of soilds on pneumatic coveying in vertical pipeline and the reason of solids choking were presented.
介绍了竖直管道中气力输送物料过程各种不同参数的关系以及物料在管道中发生堵塞的原因,给出了预测堵塞发生的计算方法,为物料气力输送系统的设计提供了一些借鉴。
The Numerical Research on Heat and Mass Transfer of Two-component Falling Film Evaporation in Vertical Tubes;
竖管内二元溶液降膜蒸发传热传质数值研究
Study on the Characteristics of Heat Transfer and Hydrodynamics of Falling Film Evaporation in a Vertical Wavy Wall Tube;
波形竖管降膜蒸发传热与流动性能的研究
Experimental Investigation of Heat Transfer Character of Vertical Tube Falling Film Evaporator with Spring Coil Inserted;
加螺旋线的竖管降膜蒸发传热性能的研究
Experimental Studies on the New Type of Liquid Uniform Membran Equipment of Vertical Tube Falling-Film Absorber
新型竖管降膜式吸收器液体成膜装置实验研究
A vertical pipe for carrying rainwater down from a roof gutter.
水落管从屋顶水槽接下的竖直导水管
Seismic Response Analysis of Shaft for Nanjing Changjiang Immersed Tube Tunnel
南京长江沉管隧道竖井地震反应分析
Her hair keeps sticking up no matter how often she combs it.
不管她怎么勤梳头, 她的头发总是竖着。
Effect of Rolling Condition on Two-phase Flow Pattern in Vertical Tubes;
摇摆对竖直管内气液两相流型的影响
Experimental Study of Frosting Process on a Vertical Star-Shaped Finned-Tube
竖直星型翅片管结霜性能的实验研究
ConstructionTechnology of Vertical Pipe Shaft forDraining Gas in TangAn Coal Mine
唐安煤矿瓦斯管道抽放竖井施工技术
The Test Anaysis of PHC Pipe Pile Vertical Bearing Capacity
PHC管桩竖向承载力现场试验分析
EXPERIMENTAL RESEARCH ON VERTICAL BEARING CAPACITY OF THE PRESTRESSED CONCRETE PIPE PILE WITH TOOTH PITCH
预应力齿面管桩竖向承载力试验研究
A pipe fitting with four branches in upright and transverse form, used as a junction for intersecting pipes.
十字管有四个呈横竖交叉分管的管子，用作贯穿各管子的连接物
The verticalpresdsing die bending system expands the space of the bent pipe greatly.
竖直方向压模弯制，大大地扩展了弯管空间。
The Study on Joints and Structure Analysis of Ventilating Shaft of Cross-ocean Tunnel;
沉管隧道自立式通风竖井结构分析及接头研究
The Experimental Study of Condensation Heat Transfer of Vapor Inside Vertical Tube;
水蒸汽在竖直管内冷凝换热的实验研究
Study of Influence to the Vertical Displacement of Tunnel at the Bottom of Excavation in Port Land;
陆域基坑开挖对地下管道竖向位移影响研究
Heat Transfer Analysis and Regression Evaluation of Fluids at Supercritical Pressures in Vertical Upward Ducts;
超临界压力下竖直上升管传热分析与回归评价