Study on the Minimal Energy Maneuvering Control of a Rigid Spacecraft with Momentum Transfer 刚体航天器的最小能量姿态机动最优控制研究
The gage deflection is due to the momentum transfer. Transform of Sensor Track Data Using Unscented Transformation 压力计的偏转是由于动量交换的原因。基于UT变换的传感器航迹数据无偏转换
It's free for the momentum transfer. 传达动力的自由度较高。
In addition, the momentum transfer on the V-grid tray and its effect on clear liquid height and hydraulic gradient cross tray are discussed. 通过对塔板上气、液两相间的动量传递进行分析,讨论了动量传递对液面落差和清液层高度的影响。
A momentum transfer of a moving three level atom interacting slantingly with a standing wave laser field is analysed. 分析了一个运动的三能级原子与一个驻波激光场在斜交相互作用时的动量传递行为。
The present analysis takes into account the effects of momentum transfer that results from mass transfer and vapor flow on the interfacial shear and hence condensation. 目前分析只考虑了由传质和蒸汽速度引起的动量传递对凝结产生的影响。
The erosion of blast furnace is a problem of three kinds of transfer ( momentum transfer, heat transfer and mass transfer). 高炉侵蚀归根结底是动量传输、热量传输和质量传输这三传的问题。
Study on Momentum Transfer in Heat Pipe Bioreactor 热管生物反应器动量传递研究
Wind waves and atmospheric turbulence were measured in the experiment of wind wave momentum transfer. 在风浪槽中进行水气动量交换实验,测量了不同风速和风区下的波浪及空气湍流流场。
The computed results show the momentum transfer coefficient relationship obtained is viable. 计算结果表明:本文中的动量输运系数随相对水深及滩槽宽度比的变化关系是可行的。
Based on the Earth's internal structure evolution model ( EISEM), we have built a model to simulate the earth's internal angular momentum transfer during its early adiabatic compression process ( IAMTM). 基于地球内部结构模型(EISEM),建立了一个模型(IAMTM)来模拟地球早期绝热压缩过程中的地球内部角速度的转移。
In this paper, the dynamical structure of Ekman helical line is introduced, and the wind stress and the form of momentum transfer in sea are analyzed. 介绍了Ekman螺线的动力学结构,分析研究了风应力及海水内部的动量传递形式。
Average linear momentum transfer from the interaction of copper with ions ~(12)C离子与铜相互作用中的平均线性动量转移
This article reviews the physics of angular momentum transfer and loss in optical pumping and spin-exchanging collisions. 评述了光抽运和自旋交换碰撞中角动量转移和损失的物理。
With help of the computer simulation program, effects of main process parameters on solidification layer of metal strip have been studied. Also the relation of heat transfer and momentum transfer have been studied. 本文利用仿真程序分析了双辊快速凝固过程的一些主要工艺参数与凝固壳层的关系,以及金属薄带的形成与热量传输和动量传输的关系。
Two major parameters that govern the condensation heat transfer the relative velocity ratio B and the momentum transfer factor U along with a comprehensive factor ω that includes mass transfer, the vapor velocity and the thermophysical properties, are proposed to describe the condensation mechanism. 本文提出两个表征凝结换热的系数即相对速率B和动量传递系数U,以及综合传质、蒸汽流速和热物性的系数ω来描述凝结换热的机制。
However, local flow pattern and property of turbulent momentum transfer changed systematically in heterogeneous conditions. 地表热力非均匀性对区域平均风速和动量通量分布无明显影响,但边界层内的局地流动性状和湍流动量输送情况有系统性的改变。
Taking the lithium atom as an example, we present here a summary of the variations of the generalized oscillator strength density with respect to excitation energy as well as momentum transfer. Comparing with recent accurate experimental data, the validity of Born approximation is discussed. 本文以Li原子为例,总结其广义振子强度密度随激发能量和动量转移而变化的规律,并和最近精确的实验结果进行了比较,明确了Born近似的适用范围。
Employing partial wave method the elastic total, momentum transfer and differential cross sections have been calculated for Kr, Xe and Rn atoms. 对慢电子与Kr、Xe和Rn的弹性散射总截面、动量转移截面和微分散射截面进行了计算。
The turbulence intensity and the coefficient of momentum transfer profile in this zone are also considered. 研究了滩地区动量传递系数沿垂线的分布规律;
Momentum transfer between quantum fluid and the solid surface via vortices 量子流体通过涡旋与固体表面之间的动量输运
We have fixed the vector mesons which play dominant roles for electromagnetic form factors of different octet strange baryons, and then the formulas which depend on the momentum transfer for these form factors have been obtained. 确定出对不同的八重态奇异重子电磁形状因子具体起着主导作用的矢量介子,得到了这些形状因子对动量转移的依赖公式。
Process intensification of reaction can be fulfilled by optimizing reactors to improve heat transfer and mass transfer during reaction. Improvement of momentum transfer is the foundation of improving heat and mass transfer, in other words, to improve flow fields firstly. 反应过程的强化主要通过改变和优化反应器以改善反应过程的热量传递和质量传递等来实现,而热量和质量传递的基础是动量传递,也就是流场中流混特性的改善。
The forming, diffusion and momentum transfer of the red phosphorus smokescreens and the kinetic characteristic of the different scale particles in smoke cloud are researched in this paper. 本文研究了赤磷基烟幕云团的形成、扩散规律和动量输运,及其烟幕云团中不同尺度微粒的运动性质。
Statistical analysis showed that the momentum transfer between axial and radial directions varied with fluid rheological characteristics. 统计分析发现,动量在轴向和径向之间的传递情况随流体流变性质的变化而改变。
This model considers the role of drag ( momentum transfer), the heat transfer effects and impact of droplets rupture. 此模型考虑了气液间的曳力作用(动量传递)、热传递效应和液滴破裂影响。
The heat and mass transfer process and the process of momentum transfer in the heat transfer unit are influenced by the analysis and calculation of the inlet velocity of the heat transfer unit, the structure form of the diffuser-tower, etc. 并计算分析换热装置进口风速、换热装置中扩散塔部分结构形式等对换热装置内流体传热传质过程和动量传递过程的影响。
We conclude that the horizontal center of meson charge density distribution is related to the form factor at large momentum transfer. We give a general conclusion. 我们的结论指出介子的中心处的横向电荷密度分布与介子大动量转移处的形状因子有关,我们给出了一个一般性的结论。
Complex energy, mass and momentum transfer occurs in the formation of the fouling of heat exchangers, accompanied with a variety of physical and chemical processes. 换热设备中污垢的形成是一个极其复杂的能量、质量和动量传递的物理化学过程。
The phase-field model was introduced because of its non-equilibrium from its typical structure, involving energy, quality and momentum transfer, as well as the interface kinetics and the problem caused by capillarity effects coupled with the free boundary. 冰晶是典型的凝固组织,因其非平衡组织结构涉及到热量、质量和动量传输以及界面动力学和毛细作用效应相耦合的自由边界问题。