2) stress measurement
应力测试
1.
Based on such problems as cracking and breaking of walking beam in running,a type of resistance measuring technology is used to make static and dynamic stress measurement for leading components such as walking beam and rear horsehead,and the results show that the walking beam is subjected to a tensile stress by driving holes.
双驴头抽油机是油田广泛采用的一种节能型抽油机,针对运行中产生的与后驴头连接处的游梁裂纹、断裂问题,利用电阻应变测量技术对该型抽油机游梁、后驴头等主要承载构件进行了现场静、动态应力测试。
2.
The shape of d vs sin 2 ψ curve with stress gradient near the beryllium surface is studied under the modified ψ diffraction geometry condition, and the effect of stress gradient near the beryllium surface on the conventional x ray stress measurement is determined.
研究了在 modified-ψ衍射几何条件下 ,铍材表层中存在不同应力梯度时的 d~ sin2 ψ曲线的形状 ,确定了铍材表层内的应力梯度对常规的 X射线应力测试的影响。
3.
At first, the structure design and 3D model work of high pressure fuel supply pipe was completed by Pro E and laid out on the engine, then ANSYS was used for FEA modal analysis, at last the engine performance test, the pipe operating stress measurement and engine endurance test were done on the engine.
首先使用Pro/E完成高压油管结构设计、3D模型和整机布置,然后运用ANSYS对高压油管进行FEA模态分析,最后进行了发动机性能试验、油管应力测试和发动机耐久性试验。
4) stress test
应力测试
1.
Non-interstices design of super long tall RC building and stress test analysis of Shenzhen Tian Digital Mansion;
高层钢筋混凝土超长结构无缝设计与楼板应力测试分析
2.
The paper expounds how to do the dynamic stress test and stress analysis to remove the potential troubles by finite element method.
为了消除事故隐患,对小车架进行了动态应力测试及分析,对其小车架整体受力状况进行了有限元计算,并结合上述研究结果为该小车架设计了加固修复方案。
3.
In order to assure the drilling and workover safely,the author applied the stress testing method according to its actual use, found its dangerous working condition and its dangerous point,and provided the good resolution to the d.
为保证钻井和修井作业的安全,采用工况模拟与应力测试相结合的方法,找到了旋升式钻台在起放过程中的危险工况及危险点,并提出了合理的解决办法,取得了很好的效果。
5) testing stress
测试应力
1.
Taking the testing stresses as the key indicators and the relevant design parameters as the updating objects,the updating theory for simulation model was studied.
研究了以在役钻机井架杆件的测试应力为重要指标,与应力有关的设计参数作为修正对象的仿真模型修正理论。
6) pressure testing
压力测试
1.
Several anomalies in pressure testing of artillery counter-recoil mechanism are studied by thermodynamic theory.
运用热力学理论研究了火炮复进机压力测试中的几种异常现象,指出由于整个后坐瞬变过程较为复杂,复进机内密闭高压气体的热力学特性并非始终局限于等温过程与绝热过程之间,采用分段处理的研究方法,将整个瞬变过程分为压缩子过程和膨胀子过程,分析各子过程中气体的实际特性,并结合热力学理论解释了复进机对火炮后坐能量的耗散作用。
2.
basing on the deviation theory and the actual FAE weapon fleld explosion experience, analyses the deviations transfer law of the free fleld shock wave pressure testing sys- tem and finally obtains the shock wave relative deviation formula.
分析了自由场冲击波压力测试系统的误差传递规律。
补充资料:测试结果可接受性的检查和最终测试结果的确定
测试结果可接受性的检查和最终测试结果的确定
check of the acceptability of test results and determination of the final test result
C凡(3)二3.3d,时,取此3个结果的平均值作为最终侧试结果;否则取它们的中位数作为最终测试结果。。,为重复性标准差(即在重复性条件下所得侧试结果的标准差)。 在口田T 11792一1989中还对重复性和再现性条件下所得侧试结果可接受性的检查方法和最终测试结果的确定做了详细讨论和规定。(马毅林)ceshi 11叩uo kejieshCxjxing d6 iiancha he zuizhong ceshi】i闪旧de que心ing测试结果可接受性的检查和最终测试结果的确定(checkof山eac,ptability of test,ults助ddsterminationofthefi耐testresult)在商品检验中进行一次测试的情形不多见,当得到一个测试结果时,所得结果不可能直接与给定的重复性标准差作可接受性的检查。对测试结果的准确性有任何疑问时都应再进行一次测试。所以,对两个测试结果进行可接受性的检查是一般的情况。 可接受性的检查,实际上是一种统计检验。任何两个测试结果只要能通过可接受性的统计检验即可认为是一致的,均可接受。比如,在重复性条件下,所得结果之差的绝对值(下称绝对差)不超过相应的重复性限r(见重复性和再现性)的值,则认为两个结果是一致的,均可接受;如果两个侧试结果的绝对差超过r,则认为它们是不一致的,必须增加测试。 按国家标准《测试方法的精密度在重复性或再现性条件下所得测试结果可接受性的检查和最终测试结果的确定》(GBIT 1 1792一1989),在重复性条件下,如果两个测试结果的绝对差不超过r的值,可取两个侧试结果的平均值作为最终测试结果。如果两个结果的绝对差超过r的值,并且测试费用较低,须再做两次测试。当4个结果的极差(即其中的最大值与最小值之差)不超过相应的临界极差c,瓜(4)二3.6a,时,取4个结果的平均值作为最终测试结果。如果两个结果的绝对差超过r的值,并且测试费用较高时,只须再作一次测试。当3个结果的极差不超过相应的临界极差
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