标准摘要
[中文适用范围]： ISO 14085 的这一部分规定了一种方法，用于确定过滤器元件对流动疲劳的抵抗力，该流动疲劳是由于在过滤器污染物负载过程的各个阶段通过过滤器的流量变化而引起的。 过滤器在一定数量的预定压差下经受指定循环次数的均匀变化的流速。 尽管 ISO 14085 本部分中使用的循环次数和压差条件旨在模拟可能的使用条件，但 ISO 14085 本部分并非旨在验证重复使用条件下的过滤元件；这只能通过为此目的开发的特定测试协议来完成，包括实际使用条件，例如工作流体、污染和精确的循环流动条件。 ISO 14085 的这一部分建立了一种方法，用于验证过滤元件承受由可变流量引起的循环压差引起的应力的能力。 应用ISO 14085本部分所得到的测试数据可用于比较航空航天液压过滤元件的性能。 [外文原描述]： ISO 14085-5:2015 specifies a method for determining the resistance of a filter element to flow fatigue caused by varying flow through the filter in various stages of the filter contaminant loading process. The filter is subjected to a uniform varying flow rate for a specified number of cycles, at a number of predetermined differential pressures. Although the number of cycles and differential pressure conditions used in this part of ISO 14085 is meant to simulate possible service conditions, this part of ISO 14085 is not intended to qualify a filter element under replicate conditions of service; this can only be done by a specific test protocol developed for the purpose, including actual conditions of use, for example the operating fluid, contamination, and exact cyclic flow conditions. ISO 14085-5:2015 establishes a method for verifying the ability of a filter element to withstand the stress caused by cyclic differential pressures induced by a variable flow rate. The test data resulting from application of this part of ISO 14085 can be used to compare the performance of aerospace hydraulic filter elements.
英文名称Aerospace series — Hydraulic filter elements — Test methods — Part 5: Resistance to flow fatigue