OPTOACOUSTIC MEASUREMENTS OF DIESEL PARTICULATE-EMISSIONS

被引：22

作者：

FAXVOG, FR

ROESSLER, DM

机构：

[1] Physics Department, General Motors Research Laboratories, Warren

来源：

JOURNAL OF APPLIED PHYSICS | 1979年 / 50卷 / 12期

关键词：

D O I：

10.1063/1.325978

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Infrared absorption by acetylene and diesel smoke particles was measured using a differential optoacoustic cell driven by a 3.4-W CO2 laser. Real-time particle mass concentration measurements are demonstrated. In addition we found the average particle extinction cross sections per unit mass of acetylene and diesel smoke were 0.94±0.1 m2/g and 0.83±0.2 m2/g, respectively, at the 10.6-μm wavelength.

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页码：7880 / 7882

页数：3

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