1) URT dimensions
轨道规模
2) the scale length of rail network
轨道网规模
4) trajectory planning
轨道规划
1.
The trajectory planning for spacecraft formation reconfiguration was modeled as a Multi-objective Optimization Problem and a niched evolutionary algorithm was proposed to find the Time-Fuel Pareto optimal frontier.
现有的空间飞行器编队重组的轨道规划方法在求解能量最优策略时,都预先给定了变轨花费的时间,但没有说明给定的时间是怎么选择的。
5) simulated trace
轨道模拟
6) trajectory model
轨道模型
1.
Application of stochastic trajectory model in tail-nozzle SRM flow field numerical simulation;
随机颗粒轨道模型在长尾喷管发动机流场计算中的应用
2.
It is suggested that the part ide- motion- resolution trajectory model is efficient for simulating the dynamic behavior of circulating fluidized beds.
运用颗粒运动分解轨道模型模拟了循环流化床中的宏观非均匀结构,模拟结果给出了与实验结果相吻合的空隙率分布、颗粒速度分布及气体速度分布。
3.
In order to provide analysis results for fault diagnosis in a tailpipe nozzle to make some suggestions,twophase flow field is studied for a tailpipe nozzle by using the trajectory model and finite volume method to obtain the gas temperature and Mach number distributions,and to simulate the collision between the wall and different size particles under different total pressures.
为了给长尾喷管故障诊断提供理论依据并提供改进措施,利用颗粒轨道模型和有限体积的Jameson格式计算了长尾喷管两相流流场,得到了流场中温度和马赫数的分布和不同燃烧室总压下不同尺寸的粒子对喷管壁面的撞击情况,结果表明大尺寸粒子对直管段壁面的撞击位置存在一个集中点,这是造成喷管烧穿的重要原因。
补充资料:规模经济/规模不经济
规模经济/规模不经济:规模经济和规模不经济用来说明厂商产量变动从而规模变动与成本之间的关系。对于一个生产厂商而言,如果产量扩大一倍,而厂商的生产成本的增加低于一倍,则称厂商的生产存在着规模经济;如果产量增加一倍,而成本的增加大于一倍,则生产存在着规模不经济。
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参考词条