INVESTIGATION THE EFFECT OF HYDROGEN ADDITION ON THE IGNITION TIMING IN THE METHANE-FUEL HCCI ENGINE

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NOORPOOR A.R.; AGHSAEE MOHAMMAD; HAMEDANI ALI

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Seminar Paper

Paper Information

Seminar: FUEL AND COMBUSTION CONFERENCE OF IRAN
Year:2008 | Issue:2

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Title

INVESTIGATION THE EFFECT OF HYDROGEN ADDITION ON THE IGNITION TIMING IN THE METHANE-FUEL HCCI ENGINE

Author(s)

NOORPOOR A.R. | AGHSAEE MOHAMMAD | HAMEDANI ALI

Keywords

HOMOGENEOUS CHARGE COMPRESSION IGNITION (HCCI)

CHEMICAL KINETICS

METHANE-FUEL

ADDITIVES

Abstract

HOMOGENEOUS CHARGE COMPRESSION IGNITION (HCCI) IS ONE OF THE ALTERNATIVES TO REDUCE SIGNIFICANTLY ENGINE EMISSIONS FOR FUTURE REGULATIONS. THIS NEW ALTERNATIVE COMBUSTION PROCESS IS MAINLY CONTROLLED BY CHEMICAL KINETICS IN COMPARISON WITH THE CONVENTIONAL COMBUSTION IN INTERNAL COMBUSTION ENGINES. IN THIS PAPER, THE EFFECT OF H2 ADDITION ON IGNITION TIMING OF A NATURAL -GAS HCCI ENGINES HAVE BEEN INVESTIGATED NUMERICALLY BY ADOPTING A SINGLE-ZONE ZERO-DIMENSIONAL MODEL. THE CHEMICAL KINETIC MECHANISM INCORPORATED THE GRI-3.0 MECHANISM THAT CONSIDERS 53 SPECIES AND 325 REACTIONS TOGETHER. TO SIMULATE HCCI ENGINE CYCLES, A VARIABLE VOLUME COMPUTATION HAS BEEN PERFORMED BY INCLUDING THE PISTON MOTION INTO THE CHEMICAL REACTION DESIGN, CHEMKIN, CODE. THE SENKIN CODE USED IN ORDER TO SIMULATE THE IN-CYLINDER COMBUSTION. IT WAS FOUND THAT AN ADDITIVE-FREE MIXTURE DID NOT IGNITE FOR THE INTAKE TEMPERATURE OF 500 K.A MIXTURES CONTAINING A SMALL QUANTITY OF ADDITIVES AT THE SAME TEMPERATURE WAS IGNITED. FOR A FIXED QUANTITY OF ADDITIVE, IT WAS FOUND THAT H2 ADDITION WAS EFFECTIVE IN ADVANCING THE IGNITION TIMING. IT WAS ALSO FOUND THAT THE PERCENTAGE OF ADDITIVE REQUIRED TO ACHIEVE A NEAR TDC IGNITION TIMING INCREASES LINEARLY WITH THE INCREASE IN THE ENGINE SPEED WHILE DECREASES WITH THE INCREASE IN THE EQUIVALENCE RATIO. FURTHERMORE, THE ADDITION OF 24% MASS OF H2 COULD IGNITE A MIXTURE AT AN INTAKE TEMPERATURE OF 450 K.

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APA: Copy

NOORPOOR, A.R., AGHSAEE, MOHAMMAD, & HAMEDANI, ALI. (2008). INVESTIGATION THE EFFECT OF HYDROGEN ADDITION ON THE IGNITION TIMING IN THE METHANE-FUEL HCCI ENGINE. FUEL AND COMBUSTION CONFERENCE OF IRAN. SID. https://sid.ir/paper/906345/en

Vancouver: Copy

NOORPOOR A.R., AGHSAEE MOHAMMAD, HAMEDANI ALI. INVESTIGATION THE EFFECT OF HYDROGEN ADDITION ON THE IGNITION TIMING IN THE METHANE-FUEL HCCI ENGINE. 2008. Available from: https://sid.ir/paper/906345/en

IEEE: Copy

A.R. NOORPOOR, MOHAMMAD AGHSAEE, and ALI HAMEDANI, “INVESTIGATION THE EFFECT OF HYDROGEN ADDITION ON THE IGNITION TIMING IN THE METHANE-FUEL HCCI ENGINE,” presented at the FUEL AND COMBUSTION CONFERENCE OF IRAN. 2008, [Online]. Available: https://sid.ir/paper/906345/en

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