SAE AIR 877B-1996
航空.颗粒计数的数据转换和外推

Aerospace-Particle Count Data Conversion and Extrapolation

SAE AIR 877B-1996 发布历史

This Aerospace Information Report (AIR) describes a mathematical model that can be used to analyze particle count data. Particle counts that fit the model can be graphically displayed, converted from one counting size-frequency range to another, and extrapolated to estimate counts beyond the measured range. Derivation, applications and calculations are described. Cumulative particle counts larger than stated size-range are fitted against a modified log-normal distribution function by plotting on special log-log graph paper. Many real particle distributions approximate a straight line, showing good fit for this log-normal model. The resultant plot provides a basis for further analysis, including size-range conversion and extrapolation.

SAE AIR 877B-1996由美国机动车工程师协会 US-SAE 发布于 1996-01-01。

SAE AIR 877B-1996 在中国标准分类中归属于: V07 电子计算机应用，在国际标准分类中归属于: 49.080 航空航天用流体系统和零部件。

SAE AIR 877B-1996的历代版本如下：

• 1996年01月01日 SAE AIR 877B-1996 航空.颗粒计数的数据转换和外推

SAE AIR 877B-1996 航空.颗粒计数的数据转换和外推 于 2012-09-25 变更为 SAE AIR 877C-2012 航空航天.粒子计数数据转换和外推法。

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标准号

SAE AIR 877B-1996

发布日期

1996年01月01日

实施日期

废止日期

无

中国标准分类号

V07

国际标准分类号

49.080

发布单位

US-SAE

代替标准

SAE AIR 877C-2012

适用范围

This Aerospace Information Report (AIR) describes a mathematical model that can be used to analyze particle count data. Particle counts that fit the model can be graphically displayed, converted from one counting size-frequency range to another, and extrapolated to estimate counts beyond the measured range. Derivation, applications and calculations are described. Cumulative particle counts larger than stated size-range are fitted against a modified log-normal distribution function by plotting on special log-log graph paper. Many real particle distributions approximate a straight line, showing good fit for this log-normal model. The resultant plot provides a basis for further analysis, including size-range conversion and extrapolation.