A synchronous tracker with an advanced cutting technology has been developed, this is the key to the high speed thermal cutting on line production of spiral pipes.
切管同步随行机的设计原理、结构特点、工作状态和水再压缩式空气等离子切割的技术特点、工艺试验结果等。
In the course of interior ballistic, travelling charge zone can be regarded as a self governed burning zone, which can exchange mass, momentum and energy with the main charge burning zone.
采用将随行装药区看成是一个独立的燃烧区，主装药区与随行装药区存在着质量、动量和能量的交换，从而建立了应用于粘结式随行装药结构的一维两相流内弹道模型，并论述了差分格式和边界的处理方法，给出了针对３０ｍｍ火炮随行装药结构的内弹道计算结果。
With this model,the optimum effect of travelling charge and optimum design of the delay time are analysed.
对随行装药理论和实验技术做了进一步的研究。
Simulating computation of geometry for bionic material of traveling wave drag-reducing;
随行波仿生减阻材料几何形状的模拟数值计算
This paper states the geometric shape design and principle of rigid traveling wave pasted layer for reducing noise and drag.
本文给出硬质随行波减阻降噪贴敷层的几何参数设计及原理。
Velocity prediction of big caliber gun based on traveling charge scheme;
随行装药方案提高大口径火炮初速的数值预测
Experiment and Numerical Simuliation on Interior Ballistics of Solid Traveling Charge;
固体随行装药内弹道实验及数值计算
Ignition burning of solid traveling charge has unique features throughout interior ballistic course of gun, it is necessary to study theory of interior ballistic course of traveling charge.
随行装药点火燃烧在整个火炮内弹道过程中具有独特性,有必要开展随行装药内弹道过程的理论研究,为工程应用提供理论指导。
Computational Simulation of External Flow Field of Truck in Tandem and Research on Its Fuel Economy;
货车尾随行驶外流场计算模拟及其燃油经济性分析