Numerical studies on natural circulation precooling loop of cryogenic liquid rocket engine 液体火箭发动机自然循环预冷回路的数值研究
Ecological drainage system is referred to following the principles of natural and industrial ecologic system and cycling economic pattern with which substances cycle with closed loop. 生态型排水系统是指遵循自然生态系统和工业生态系统的原则、符合物质闭环流动循环的经济模式。
An Experiment Investigation of Natural Circulation Transient Behaviours in a Loop with Jet Pump 带喷射泵系统中自然循环过渡特性实验研究
Two ways have been put forward to prove that every natural mesh is an independent loop. 提出了证明每一个自然网孔都是一个独立回路的两种方法。
In order to obtain the practical resistance character of natural valve and confirmation reliability of natural valve, the experiment on seal performance, hydraulic performance and reliability of the valve have been carried out in simulation test loop. 为获得自然循环阀真实的阻力特性,并验证其动作可靠性,在模拟实验回路上对自然循环阀样机的密封性能、水力特性和操作机构可靠性进行了实验验证。
A model and its mathematical formulation for predicting the thermohydraulic perfor-mance in the natural circulation of primary loop for marine pressure-water reactors were pre-sented in this paper with the consideration of marine listing and evenly accelerative heaving. 给出了考虑倾斜和匀加速上浮或下沉的船用压水反应堆核动力装置&回路自然循环的热工水力特性模型及数学描述;
When fluid flows in the loop tube and under the condition of equality of natural frequencies of the drive mode and the coriolis mode, the loop tube is in resonant state, therefore it has very high sensitivity to mass flow. 在驱动模态与coriolis模态固有频率相等的条件下,当环形管有流体流过时环形管就处于谐振状态,因此具有较高的灵敏度;
Natural Frequency of the stator of Ring Ultrasonic Motor Analysis of an RC Loop Multivibrator Output Waveform 环形超声波电动机定子振动的固有频率RC环形多谐振荡器输出波形分析
Stability Analysis of Two-Phase Flow in a Low Quality Natural Circulation Loop with a Lumped Parameter Model 用集总参数法分析低含汽量自然循环回路汽液两相流稳定性
For validating the validity of controllers, we put the controllers into natural airship's six-degree-freedom nonlinear equations to form closed loop. At last, the simulation results show the validity of airship's stability augment design. 将得到的控制器代入到自然飞艇的六自由度运动方程中形成闭环系统进行仿真验证,仿真结果验证了设计的有效性。
By replacing natural circulation with ejecting circulation, the circulating water in each loop can be increased and match with the heat load of related heating surface. 将热水锅炉的水循环由自然循环改为引射循环,强制提高回路的循环水量,使各回路的循环水量分布与其受热面的热负荷相匹配。
Technological innovations in Wireless even made it substitute for fixed line and rapid technological advancements in other alternative platforms like cable, Fiber and power line also eroded the natural monopoly notion in local loop ( last mile). 无线的技术创新使得无线代替了固定电话,还有一些新的技术来代替电缆技术等。光缆和电力线技术也已腐蚀了当地网络(最后一公里)的垄断性。
In general, the pump plays a very important role in forced circulation, which makes the circulation flow rate and the maximum heat transmission limit much higher than those in natural circulation loop. 但总地说来,强制循环受循环泵作用为主,故最大循环流量与输热能力限均大大高于自然循环。
It is found that the larger the RHE heat transfer area and the higher height difference, the easier the establishment of the natural circulation in the third loop, but at the same time the higher the peak value of the secondary loop pressure. 分析结果表明:换热面积越大,冷热芯位差越大,有利于自然循环的建立,但同时二回路压力峰值也越大。