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NGHIEN CUfU-TRAO 06!
NGHIEN CUtJ CHUYEN DOI XE GAN MAY Stf DUNG DA NHIEN LIEU
STUDY ON CONVERSION MOTORCYCLE BY USING MULTI-FUELS
Nguyin Ngoc Diing, Tran Dang Long
Phdng Thi nghiem Trpng diem Dpng cP Dot trong, Khoa Ky thuat Giao thong,
Trudng Dai hpe Baeh khoa TP. Ho Chi Minh.
TOM TAT
Xe gdn mdy hien nay. Id mot trong nhdngphUdng tien cd nhdn quan trgng vd pho bien nhdt tgi
Viet Nam. Muc tiiu chinh cua de tdi ndy nhdm nghien cdu phdt trien Ung dung nhien lieu khi cho xe gdn
mdy nhdm gidm sU phu thugc vdo nguon nhiin lieu long truyen thong, gidm 6 nhiim moi trUdng. He
thong phun nhien lieu khi dUdc gan vd hogt dgng song song vdi hi thong nhien lieu long tgo thdnh xegati
mdy sd dung da nhien lieu long - khi. Nhiin lieu khi dUdc thiit kiphun tren dUdng dng ngp, lUu lUdng
phun, thdi diem phun dUdc tinh todn vd dieu khien bang bg xd ly trung tdm thong qua viec tinh todn vd
phdn tich cdc thong so chinh nhU dp sudt khi nap, vi tri bUdm ga (tdi), tdc do dgng cd, thdi diem phun vd
thdi gian phun td bo xd ly goc cua xe. Kit qud thd nghiem trin bdng thd cho thdy khi sd dung nhien lieu
khi ndng cao tinh kinh tedgng cd, giup gidm phdt ihdi cdc khi CO^ CO, HC vd NO^. Viec thiit ke chuyen
doi thdnh cong xe gan mdy sd dung da nhien lieu giup md rgng dng dung nhiin lieu khi tgi Viet Nam.
Tii khoa: Xe gan mdy, hi thong nhiin lieu song song, da nhiin lieu.
Motorcycle is one of the most popular and important personal transporation means in Vietnam.
The main purpose of this research is to study applying gaseous fuels for motorcycle in solving energy and
enviromental problems. Gaseous fuel injection system was installed and operated in parallel with
conventional liquid fuel system. Gaseous fuel was injected in intake manifold. Fuel quantity and injection
timing were calculated and controlled by electronically control unit (ECU) thought calculating Intake air
pressure, throthle position, engine speed and injection parameters from original ECU. Experimental
results shown that the using of gaseous fuel help increase fuel economics, decrease exhaust gas emission
ofCO^ CO, HC and NO^. The successful of design and conversion multifuels motorcycle contributes for
the enlargement of applying gaseous fuel in Vietnam.
Keywords: Motorcycle, parallel fuels system, multi-fuels.
^ 9 TAP CHf CO KHf VIET NAM • S6 1+2 (Thing 1+2 nam 2013)