Full scale burst experiment on high pressure test of gas pipelines 输气管道高强度试压全尺寸爆破实验
The paper analyses that essence of electrical fast transient/ burst immunity text is a common mode test, and points out that the reproducible and comparable test result is to standardize the test set-up. 分析可知脉冲群抗扰度试验本质是共模试验,该试验重复性和可比性的关键因素是规范试验配置。
In chapter 2, according to the theory of strength of steel wire and plastic along with the result of hydraulic pressure burst test and short-term hydraulic pressure strength test, we calculated the strength of steel framed polyethylene plastic pipe and determined the principial working pressure. 第二章是根据传统的钢丝和塑料的强度理论以及静液压爆破试验、短期静液压强度试验结果,对钢骨架塑料复合管进行强度计算及工作压力的初步确定。
Electric Fast Transient Burst Anti-interference Test of Electronic Energy Meter 电子式电能表电快速瞬变脉冲群抗扰性试验
The unitary current of burst mode was not only dependent on Na concentration in the pipettes but also on the test voltage. 爆发型模式的通道电流不仅有浓度依赖性和电位依赖性,其升放时间常数也随箝制电位变正而增大。
The test require and technique for electrical fast transient/ burst immunity test of the electric power load managing terminal unit are presented, and the effective measure to raise the anti-interference ability of the unit is put forward. 介绍了电力负荷管理终端电快速瞬变脉冲群抗扰度试验的要求、方法;提出了提高终端抗电快速瞬变脉冲干扰的措施。
Validation of Assessment Method for Remaining Strength of Corroded Pipeline Based on Burst Test Data 基于爆破试验数据对腐蚀管道剩余强度评定方法的验证
In addition the parameter U can be directly measured through a simple hollow-cylinder burst test. 此外,这个参数可以通过一个简单的空心圆柱破裂实验直接来测定。
For searching the burst cause of PVC-U pipes during hydrolic test under low pressure, the cracked sections of those PVC-U pipes were observed and the defective particles were found in them. 为探索在试压时低压下即破裂的硬聚氯乙烯(PVCU)管材的破裂原因,对这些破裂管材的断裂面进行了仔细观察,发现在这些断裂面上均有缺陷粒子存在。
Finite element method ( FEM) was used to calculate stress distribution in a 7 liter titanium alloy pressure vessel shell and optimize its design. The optimum result was verified by hydraulic burst test. 本文用有限元法对7升TC4钛合金气瓶进行应力分布计算和结构优化设计,并用水压爆破试验对优化结果进行试验验证。
Tensile test, tube burst test and creep test of irradiated cladding in hot cell were discussed. The changes of mechanical properties of cladding before and after irradiation were compared. 论述了辐照后包壳管在热室中的拉伸、爆破、蠕变等试验方法,比较辐照前后包壳力学性能的变化。
Effect of the examing pressure and temperature and moisture on the burst strengths of GRP internal pressure vesseles the ball pressure test 检验压力及温湿度对玻璃纤维缠绕内压容器爆破强度的影响
In order to make the calculated burst pressure coincide with actual value, the developed fiber strength value must be determined by the simulation test. 为了使计算的爆破压强与实际结果相符合,纤维发挥强度的选取必须由模拟试验确定。
This article introduces the full size anti-crack burst test was conducted during the construction of Canadian Alliance Gas Transmitting Pipeline, and the result shows that the actual anti-crack toughness value inosculated to the calculated value from TCM hyperbolic model and Leis modification method in Battelle Research Institute, USA. 本文介绍了加拿大建设Alliance输气管道时进行的全尺寸止裂爆破试验,实验结果表明,实际止裂韧性值与用美国Battelle研究所的TCM双曲线模型和Leis修正方法计算出的预测值相吻合。
In order to guarantee the safety design, the anti-crack design shall be on the basis of full size anti-crack burst test, that is to adopt the full size anti-crack burst test to verify the model doping out of the anti-crack toughness value which modified by the formula. 为保证设计安全,管道的止裂设计必须建立在全尺寸止裂爆破试验的基础上,即用全尺寸止裂爆破试验来验证用模型预测并经公式修正的止裂韧性预测值。
63 sets of data about full-scale burst test of pipe with a defect were collected to validate the assessment method about the remaining strength of corroded pipelines. 为验证腐蚀管道的剩余强度评价方法,收集了63组腐蚀缺陷管道全尺寸爆破试验结果。
The reliability of new aluminium cooler for Chinese electric locomotive was studied by means of burst test, vibration test, etc. 通过爆破试验、振动试验等试验手段,对我国电力机车用新型铝质冷却器的可靠性进行研究。
It indicates that the result of FEM is less than the one of full scale burst test, and the result of Level 1 assessment is less than the one of FEM. 结果表明,有限元计算结果略低于全尺寸实物爆破试验结果,而一级评价结果又低于有限元计算结果,尤其对球面蚀坑和平底蚀坑这样的缺陷更加明显。
However, up to now none of the signal generators can generate burst mode optical signal, so the research and test of the module are very inconvenient. 由于突发信号的上述特征,目前常规的信号产生仪器均无法产生这样的突发式光信号,对其研究和相关测试极为不便。
There is no one kind of facility can generate burst mode signal directly in nowadays market, while we must use the burst mode signal to debug and test the module. So we must simulate the generation of the burst mode signal in the lab. 由于现在市场上并没有一种设备可以直接产生突发信号,而在突发模式光发射模块的研发工作中又必须用到突发信号作为调试和测量之用,所以必须能够在实验室里模拟地产生突发信号。
Chapter 4 discusses the function, principle, testing setup and method of the burst mode optical test system, and gives the main test index. 第4章对突发式光测试系统的功能、原理,总体测试设置及方法进行了论述。
The fourth, designed an electrophysiological experiment to test this system performance. 第四,设计相关Burst提取实验,验证本设备的各项性能是否可靠。
Simulation environment developed coal mining face-water two-phase liquid-solid coupled burst test system, study the relationship between process of stress and strain of rock under the water-coupling blasting with the crack evolution-broken loose rock in the scope. 研制模拟采掘工作面环境的岩石水的液固两相耦合爆破试验系统,研究岩石在水耦合爆破作用应力应变过程岩石破碎松动范围变化之间的关系。
Foundation excavation process on the basis of processing chamber exposed lining cracking caused relaxation of the rock mass, burst before and after the burst test data Vp, Vp rock dam and Numerical Simulation of the Long View data analysis approach. 通过对坝基开挖过程中揭露的基础处理洞室衬砌开裂所导致的岩体松弛现象研究、爆前和爆后Vp测试数据、坝基岩体Vp长观数据和数值模拟分析等途径。