This paper presents emission studies of four LPG vehicles of different specifications. Emissions were tested as per LPG-Bharat stage III driving cycle. Emission tests were carried out for urban cycle and extra urban cycle. Total time for urban and extra urban cycle was 1180 sec. Engine was run in LPG mode by using conversion system. Emissions were tested as per standard procedure and were compared. Emissions of engines were compared with each other. Corrected emissions were computed by deducting ambient reading from sample reading. Paper describes detail emission test procedure and results obtained. CO emissions were in the range of 38.9 to 111.3 ppm. HC emissions were in the range of 18.2 to 62.6 ppm. Nox emissions were 08 to 3.9 ppm and CO2 emissions were from 6719.2 to 8051 ppm. Paper throws light on emission results of LPG vehicles recently introduced in Indian automobile market. Objectives of this experimental study were to measure emissions of LPG engines and compute lambda by using Brett Schneider equation.


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    Title :

    Emission Analysis and Lambda Characterization of LPG Automotive Engines


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Non-Conference Specific Technical Papers - 2009



    Publication date :

    2008-08-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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