铁和铝颗粒模拟燃料系统里面的金属污染物。这些原料在生产的时候要确保大小和角度以能代表真实中的颗粒。这些颗粒大小用筛网进行了验证,应注意的是,由于金属屑的形状,*大颗粒要大于筛网的目数。 SAE AIR 4246 A.8 – Carbon Fibre Rods碳纤维 More recently carbon fibre has been used to in the production of aircraft, this necessitated the inclusion of the carbon fibre rods as a fuel contaminant. Particle Technology use a bespoke process to create the carbon fibre in the size ranges specified. Determining the particle size of a fibre is very difficult, Particle Technology use image analysis to measure the length and width of the fibres. 碳纤维现在用于飞机生产,使得碳纤维也变成燃料系统的污染物。确保碳纤维的尺寸是很困难的,英国Particle Technology使用图像技术保证纤维的长度和宽度。 SAE AIR 4246 A.9 – Graphite Epoxy Composite (GEC)石墨环氧树脂复合材料