1) evaluation of safe life
安全寿命评定
2) safe life assessment
安全寿命评估
3) safety life
安全寿命
1.
Using the method of probability statistics,the relationship between safety life and experiment life was theoretically obtained at small-number specimen experimental conditions when the fatigue life obeys logarithmic normal distribution.
利用概率统计的方法,得出了在小样本实验条件下,当疲劳寿命服从对数正态分布时安全寿命与中值实验寿命之间的关系。
2.
As a critical part of helicopter,rotor blade anti-fatigue design technique is one of the key to improving safety life and decreasing cost.
作为直升机的关键动部件,桨叶的抗疲劳设计技术是提高桨叶安全寿命,降低桨叶使用成本的关键。
3.
The service life of dynamic components of a helicopter was decided by the safety life assessing method, but the results show that the given life was conservative, so it has capacity to prolong the life.
某型直升机采用安全寿命评定方法对其动部件进行了定寿 ,确定的使用寿命偏于保守 ,具有较大的寿命潜力。
4) safe life
安全寿命
1.
The safe life and the life diffuse factor in grouping component fatigue test are studied with the probability statistic methodology.
用概率统计方法研究了构件在成组法疲劳试验中的安全寿命和寿命分散系数 ,用单侧容限系数法计算了 1Cr18Ni9Ti材料及焊接接头的寿命分散系数 ,并对计算结果进行了讨论。
2.
During the calculating of a plane s components fatigue safe life, we make use of the reliability modulus and the believe modulus.
本文采用双参数威布尔分布,利用可靠性系数、置信系数来估算飞机结构件的疲劳安全寿命,物理意义明确,过程简单。
3.
A method for the low cycle fatigue safe life expectation design and assessment of steam turbine components is presented.
文中提出了汽轮机部件低周疲劳安全寿命的设计和评定方法。
5) life assessment
寿命评定
1.
Some life assessment methods for easily damaged power equipment components are presented,together with methods of statistical analyzing,distribution checking, parameters estimating,and calculating for mean life,reliability as well as the reliable life.
提出了电站设备易损件的寿命评定方法,给出了易损件寿命数据的统计分析、分布检验、参数估计的方法,平均寿命、可靠度与可靠寿命的计算方法,易损件失效后果分类方法,易损件更换周期的确定方法以及常用计算公式。
2.
Some design approach of reliability design and life assessment of large capacity power boiler tubes is presented, based on conventional design methods of boiler tubes.
在寿命评定方面,对锅炉受热面管子的寿命数据进行统计分析,确定锅炉受热面管子的平均寿命。
6) life evaluation
寿命评定
1.
This is the first time in this country that technically applicable creepfatigue interaction life evaluation curves have been elaborated.
该文在对12Cr1MoV钢母材和焊接接头的疲劳寿命、蠕变寿命和蠕变 疲劳交互作用行为试验研究工作的基础上,重点对12Cr1MoV钢在蠕变 疲劳交互作用下的试验数据进行了整理、分析,在国内首次得出了可供工程应用的12Cr1MoV钢的蠕变 疲劳交互作用寿命评定曲线,并与ASME规范的相关曲线作了比较,对一实例做了寿命评定的验证。
2.
In order to satisfy the requirements of durability evaluation of multiple details structure in the process of aircraft structure life evaluation,based on the probability fracture mechanics approach of durability analysis,a method is presented to calculate the structural total crack exceedance.
针对飞机结构寿命评定过程中含多种细节结构耐久性评定的需求,基于耐久性分析的概率断裂力学方法,提出了细节型式异同两种情况下结构总的裂纹超越数的计算方法,当细节型式相同时各种细节裂纹超越数直接累加,而细节型式不同时各种细节裂纹超越数加权累加,从而建立了含多种细节结构耐久性评定的一般方法。
补充资料：安全
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