engine exhaust measurement Articles
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Controlling Gas Mixture for Minimum Emissions
Continental Controls Corp. (CCC), based in San Diego, California, has introduced an emissions control valve, the model ECV-5, that is designed to control the air-fuel mixture of natural gas-fueled, reciprocating engines. CCC said the ECV-5 controls the air-fuel ratio in a closed loop manner, works with an oxygen sensor, is located in the exhaust, and has a three way catalytic converter. The ECV-5 ...
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Particulate Matter Testing - BG3 Partial Flow Dilution Emissions Sampling - Case Study
Today, the BG3 Elite Series for partial flow dilution (PFD) is the standard used to test and measure particulates by such industry giants as Caterpillar, John Deere, Perkins, JCB, and even the US EPA, and has found a global installed base of hundreds of units. On January 7, 2011, Sierra made history with the Model BG3 when PFD technology was signed into law for particulate matter (PM) emissions ...
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Low-mass PM analyzer MEXA-1370PM — Improvement of the Performance for PM Composition Analysis —
Particulate matter (PM) emitted from engines is currently measured by the filter weight method. The filter weight method passes diluted emission gases through a filter collecting the PM, and post test weighs the mass of the collected PM on a precision balance. However, this method is time consuming, and with decreasing PM emission volumes, improvements in accuracy were needed. So the MEXA-1370PM ...
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