Aviation turbine fuel contaminated with particulates and water is a serious quality concern for US DLA Energy and the military services. The current test methods (ASTM D 2276, and ASTM D 4176) for determining particulate matter is inadequate, subjective, and have acknowledged limitations in providing reliable data in determining particulate contamination. In recent years, the UK Energy Institute published the standards EI 1570 and EI 1598 for monitoring free water and/or particulate matter in aviation fuel, and ASTM D7619 was also published utilizing laser obscuration sensor technology for same purpose. Currently DEF STAN 91-91, MIL-DTL-83133 (JP-8) and upcoming MIL-DTL-5624 (JP-5) include a report only requirement for particle counting using IP 564, IP 565, or IP 577.
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机译：随着颗粒物和水污染的航空涡轮燃料是美国DLA能源和军事服务的严重质量问题。用于确定颗粒物质的当前试验方法（ASTM D 2276和ASTM D 4176）是不充分的，主观性的，并且具有在确定颗粒污染中提供可靠数据的限制。近年来，英国能源研究所公布了标准EI 1570和EI 1598，用于监测航空燃料中的自由水和/或颗粒物质，并且ASTM D7619还利用激光遮蔽传感器技术进行相同目的。目前DEF STAN 91-91，MIL-DTL-83133（JP-8）和即将推出的MIL-DTL-5624（JP-5）包括仅使用IP 564，IP 565或IP 577进行粒子计数的报告。
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