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    Exhaust Gas Recirculation PPT PDF Seminar Report & Paper Presentation

    Exhaust Gas Recirculation Paper Presentation & Seminar


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    Fuel in any engine is burnt with air. Air is a mixture of gases and it contains approximately 78% nitrogen and 21% oxygen. Some of the oxygen is used to burn the fuel during the combustion process and the rest is supposed to just pass through unreacted. But when the peak temperatures are high enough for long periods of time, the nitrogen and oxygen combine to form a class of compounds called nitrogen oxides, collectively referred to as NOx. These compounds are one of the chief constituents of smog, which have an adverse effect on ecological systems. They also contribute to the formation of acid rain. NOx emissions can be reduced by lowering the cylinder temperatures. This can be done by three ways
    1) Enriching the air fuel mixture
    2) Lowering the compression ratio and retarding ignition timing
    3) reducing the amount of Oxygen in the cylinder that inhibits the combustion process.

    The first two methods reduce the efficiency of combustion and so the best way is to reduce the amount of Oxygen. This is done by recirculating some exhaust gas and mixing it into the engine inlet air. This process is known as Exhaust Gas Recirculation (EGR).

    The goal of Exhaust Gas Recirculation (EGR) is to reduce the amount of NOx produced. The EGR valve recirculates gases into the intake stream. Exhaust gases have already combusted, so they do not burn again when they are recirculated. These gases displace some of the normal intake charge. This chemically slows and cools the combustion process by several hundred degrees thus reducing NOx formation.

    Please find the attached file along with this

    If You have any query regarding the files.Please feel free to ask .I'll be glad to answer them
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  2. The Following User LIKES this post from sammysam:

    hiteshdevaliya (8th April 2013)

  3. #2
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    Re: Exhaust Gas Recirculation PPT PDF Seminar Report & Paper Presentation

    thank you very much faadoo team

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    Re: Exhaust Gas Recirculation PPT PDF Seminar Report & Paper Presentation

    this is so awesome..gr8 work buddy..and can u send me ur IEEE format of this..

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    Re: Exhaust Gas Recirculation PPT PDF Seminar Report & Paper Presentation

    thanks fadoo team...........i wanna always presence yrs at here..........

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    Re: Exhaust Gas Recirculation PPT PDF Seminar Report & Paper Presentation

    ...........................

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    Re: Exhaust Gas Recirculation PPT PDF Seminar Report & Paper Presentation

    thanx fadoo team...........

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    Re: Exhaust Gas Recirculation PPT PDF Seminar Report & Paper Presentation

    plz may i know the password to edit this pdf

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    Re: Exhaust Gas Recirculation PPT PDF Seminar Report & Paper Presentation

    Thanks.....

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    Re: Exhaust Gas Recirculation PPT PDF Seminar Report & Paper Presentation

    #RESPECT for fadoo team.

  11. #10
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    Re: Exhaust Gas Recirculation PPT PDF Seminar Report & Paper Presentation

    Thanksss.....fadoosss...:-P:-P

  12. #11
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    Re: Exhaust Gas Recirculation PPT PDF Seminar Report & Paper Presentation

    the exhaust gases already expanded.by recirculating this expanded low pressure gas into the inlet will reduce the wokdone of power stroke


 

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