With advancement of technologies, upgradation of validation procedures and equipment on engine dynamometer test bed is required to simulate environment similar to vehicle and achieve accurate test results. A coolant conditioning system helps in achieving desired temperatures of coolant in the circuit during engine validation. However, unlike radiator type cooling systems of vehicles, conventional coolant conditioning systems on engine test beds generate negative pressure in circuit which poses a risk of coolant boiling, loss of intended heat transfer and hence higher temperature in cylinder head which can be detrimental for durability of critical components like valves, valve seats etc.This paper encompasses a stepwise approach followed to attain near-vehicle coolant pressure conditions for a naturally aspirated engine. Coolant used for this experiment was 50:50 (by volume) ethylene glycol and water mixture. The measures implemented to achieve end goal did not incur any additional cost. Pressure measurement at various key locations in coolant circuit was done to validate the efficacy of the measures taken.The approach can be adopted for engines with different sizes also and can support engineers to validate engines in near-vehicle test conditions.


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    Titel :

    A Cost-Effective Approach to Attain Near-Vehicle Conditions in Coolant Circuit of Engine Test Bench


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    PATEL, HARDIK MANUBHAI (Autor:in) / Hongo, Kei (Autor:in) / KUMAR, NITISH (Autor:in) / GUPTA, VINEET (Autor:in)

    Kongress:

    10TH SAE India International Mobility Conference ; 2022



    Erscheinungsdatum :

    05.10.2022




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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