Abstract
An investigation of CI engine using mahua oil methyl esters and its mixtures with hot EGR (HEGR) techniques has been investigated and presented. An optimum injection timing of 20 deg bTDC and injection pressure of 250 bar and is fixed and conducted the study. The emissions of mahua biodiesel and its mixtures with CI engine with hot EGR technique. The experimental test results are compared between Hot EGR and CI Engine (without adopting EGR technique). The same is compared and presented. For various test fuel samples, an increasing trend is noticed for various emissions for Hot EGR. The HEGR gave lower emissions at various loads. The neat biodiesel with Hot EGR (B100) gave greatest % reduction in NOx of 10.81% and 5.41% at minimum and maximum load. In general, EGR provides little bit higher NOx due to soot.
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