While the immersion tubes are located eccentrically,larger eddies appear near the down immersion tube at the bottom of vacuum chamber,under free surface of vacuum chamber and in ladle,but no obvious effect on the recirculation flow rate was observed.
数值结果表明,偏心移动浸渍管时,在真空室底部、真空室及钢包钢液表面的下降管处发现较大的漩涡,但对循环流[量]影响较小;减小浸渍管间距,真空室左侧壁面的回流增强,循环流[量]减小;减小浸渍管插入深度,循环流[量]增大。
The effects of the argon gas flow rate and the parameters of up--leg on the flow and the recirculation flow rate in a RH degasser were taken into account in the present study.
考虑ＲＨ真空槽与钢包的整体性，从ＲＨ上升管吹Ａｒ这一基本现象着手，建立了描述ＲＨ装置内钢液流动行为的三维数学模型，考察吹 Ａｒ量和浸渍管参数对 ＲＨ装置内钢液流动和循环流[量]的影响。
According to the low carbon steel production data acquired in the practical production in Ma'anshan Iron & Steel Works from January to June 2006 the RH circulation flow and circulation coefficient are calculated and their effects on end point carbon content analyzed as well.
根据马鞍山钢铁公司2006年1~6月低碳钢实际生产数据,计算并分析了RH的循环流[量]、循环系数对处理终点钢中碳含量的影响,分析得出,为了达到处理终点钢中w(C)<0。
The results show that,with the increase of the number of nozzles and the bubble traveling paths,the circulating flow rate increases,but the mixing time and mean residence time decrease with it.
通过物理模拟测定了RH精炼过程的循环流[量]、钢包的均混时间、真空室内物料的平均停留时间及容量传质系数,重点分析了RH上升管内的提升气体用喷嘴个数及其布置对上述4个方面特性的影响。
The flow characteristics and circulating flow rate of the vacuum refining process were investigated on a 1∶5.
在120tRH MFB多功能真空精炼装置1∶5 45比例的水模型上,采用毕托管测定下降管内钢水流速,从而测定循环流[量]的方法,研究了真空循环精炼过程中钢液的环流特性。
This paper investigated the influences of inclined angle and circulating flow rate on the flow characteristics and performance of the flat plate reactor,the optimum inclined angle for the flat plate reactor under radiation of solar light was also discussed.
考察了平板倾角和循环流[量]对平板反应器流动特性和性能的影响 ,并讨论了以太阳光为辐射光源时平板型反应器的最佳倾角问题 。
Study on circulation flow rate of RHvacuum treatment process;
RH真空处理设备循环流[量]的研究
The ultrasonic flowmeter is used to measure the circulation flow rate.
利用超声波流量计测量系统的循环流[量],利用摄像机记录气液两相流动状态。
In the simulation, the effects of the snorkel diameter, circulation flow rate, lift gas flow rate, oxygen content, and vacuum vessel pressure were taken into account.
对RH真空精炼时的脱碳、脱氧、脱氮和脱氢过程进行了动态模拟研究 ,考察了浸渍管直径、循环流[量]、吹氩量、氧含量和真空度对脱碳和脱气过程的影响。
Travelling wave characteristics of circumfluence component of double-circuit lines on the same pole;
同杆双回线环流[量]的行波特点
Optimal programing of circulation rate and additional flow rate ratio with additional flux method;
附加流速法循环流[量]及附加流速比的最优规划
Calculation of safety pressure margins and circulation rate of well killing by deep water driller s method;
深水司钻压井法安全压力余量及循环流[量]计算
The simulation results show that when the additional flow rate method is used in certain circulation rate,the choke line friction,well head back pressure and drilling fluid equivalent circulating density of well bottom pressure d.
模拟计算结果表明:在一定的循环流[量]范围内使用附加流速法压井,能减小节流管线的摩阻,使节流压力升高,井口回压和井底的钻井液当量循环密度降低,使压井过程更安全;但是随着循环流[量]和附加流量比的提高,附加流速法会逐渐失去其优越性;在使用该方法压井前,应该通过模拟计算,选择合适的循环流[量]和附加流量比,以保证压井工作的顺利完成。
Begin with the basic equations of pipe networks, the looped flow methods are analysed from theory; The improvements of Hardy Cross method and Mcllroy method in the calculation of pipe networks are explained from another viewpoint.
从管网计算的基本方程出发,对环流[量]法进行了理论分析,并从另一角度解释了Hardy Cross法和Mcllroy法的改进。