Total Exhaust Flow Smoke Meter for continuous measurement of smoke intensity in the exhaust of diesel engines
Equipment
The total exhaust flow smoke meter is used for continuous measurement of smoke intensity in the exhaust of diesel engines. Seen in the image is a total exhaust flow smoke meter fabricated by the Department of Mechanical Engineering. The meter works in the following way: The instrument functions on the principle of light obstruction. A source of light is provided and a light beam crosses the exhaust flow of the engine. Depending on the concentration of smoke in the exhaust, a certain amount of light is absorbed. The light that passes through falls on a photo sensitive element. After amplification this is displayed on an indicating equipment. Hence, a continuous evaluation of the smoke density in the exhaust is possible with this type of instrument.
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