CONSTRUCTION AND PRELIMINARY EVALUATION OF A DIESEL EXHAUST PARTICULATE FILTER FOR UNDERGROUND USE.

被引：0
|
作者：
Freedman, Robert W.
Duerr, Wayne H.
Litton, Charles D.
机构：
来源：
Technical Progress Report - United States, Bureau of Mines | 1979年 / 106期
关键词：
DIESEL ENGINES - Exhaust Gases;
D O I：
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学科分类号：
摘要：
A filter with a 20- by 20-inch-square cross section was inserted into the exhaust ducting of a 4-stroke-cycle, 90-hp diesel engine, and the efficiency of removal of total particulate was measured gravimetrically as a function of time. Removal efficiencies were close to 90 pct during the main portion of several extended runs employing several combinations of filter beds. Variations in engine load had little effect on collection efficiency. Particle size as measured by an online instrument centered on 0. 07 mu m based on number count. Removal efficiency increased sharply for both larger and smaller particles.
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