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Nghien ciju anh hirong cua ham lirong CO2 trong nhien lieu den dac tin lam viec va khi thai dong ca mot xylanh su dung khi sinh hoc A Study on the Effect of CO2 Content on Engine Performance and Emiss[.]
Nghien ciju anh hirong cua ham lirong CO2 nhien lieu den dac tin lam viec va thai dong ca mot xylanh su dung sinh hoc A Study on the Effect of CO2 Content on Engine Performance and Emission Characteristics ot ^mg e Cylinder Engine with Biogas Fuel Tran Dang Quoc Trudng Dgi hoc Bdch khoa Ha Ngi - SS 1, Dgi CS Viet Hai Bd Trung Hd Noi Din Toa sogn: 30-10-2017; chdp nhgn ddng: 18-01-2019 Tom tat Sa; bao trinh bay mot nghien cou vi anh hadng cua ham logng CO2 co nhien lieu den dac tinh lam viec va dac tinh thai cda dong ca mgt xylanh cap nhien lieu tren daang ing nap Bong ca nghien cou doac mo phong tren phin mim AVL Boost sau dagc hieu chinh theo si lieu thgc nghiem cua mgt dong cathgc co ty s6 nen c = 10,5 so dung nhien lieu khong co C02 Cac kit qua thu dagc to dgng CCT mo phonp vai nhien lieu 100% CH^ se doac coi la thong si ca ban di so sanh va pban tich logng CO2 tang dan lan loot theo tha tg 3%, 10% va 22% Dong co mo phong lam viec a diia kleri nha: lambda bang 1, buvm ga mo hoan toan, goc danh loa sam dagc diiu chinh di dat mo men Ion nhit, tic dp dong ca tbay doi khoang n = 1000 - 2000 vong/phut Cac kit qua thu dagc to mo phong ch! ring^ anh hoang cua barn logng CO2 din mo men, cong suit va hieu suit nhiet la rit Ion Nguyen nhan chu yeu lam giam hieu suat lam viec cua ddng ca la ca nhiet tri thip va he so nap bi giam ddng thai Tuy nhien, sg suy giam phan nao doac cai thien niu tang tic cua dong ca va diiu chinh thai diim danh loa sam hon Sg gia tang ham loong COs nhien lieu se ia giai pbap hieu qua di giam NOx ma khong can so dgng he thing luan hii thai (EGR) TLF khda Ham lugng CO2, Dgng ca mgt xylanh, Nhien lieu thay thd, Nhien li§u Biogas, Abtract This adicte presents the research on effect of CO2 content on engine performance and emission characteristics of the single cylinder engine with pod injection The research engine is simulated in AVL Boost software and then the simulated engine was corrected by the experimental data of the real engine has compression ratio E = 10,5 without CO2 in supplying fuel The obtained results from simulated engine with 100% CH4 were considered the basic data to compare and analyse when the proportion of C02 In Biogas fuel was progressively enhanced such as 3%, 10% and 22% The simulated engine operated in conditions as: X= wide open throttle, early ignition timing was varied to obtaine maximum tourque, engine speed ' was changed into the range of n = 1000 ^ 2000 rpm The achieved results from simulation have shown that the effect of CO2 portion Into supplying fuel on the torque, power and thermal efficiency were very strong In this study, the main cause of reducing engine operation was clearly found out that was due to decreasing in low heat value and volumetric efSciency simultaneously However, the reduction of this can be , compensated by the method as increasing engine speed and adjusting early ignition timing The increase of CO2 podlon into supplying fuel will be the effective measures to decrease NOx without using EGR system Keyword: CO2 proportion, Single cylinder engine, Alternative fuel, Biogas fuel, Gidi thieu Nhien lheu 311 sinh INlllCIl i e u Mil til hgc IIV- hay ""J • - " " ggi 5V" la '" E UIUBUJ ICI mot rfiimg ngiik nmg luong tai tao (tiy tiSm nans tren thS g,6i va o nuoc ta, sii dnng nhien lieu Idti smh hoc cho dong CO d6t se khong lam tang luong c o ; quySn [1], Khi smh hoc duoc ta, tao S, nguSn ra^c tha, smh hoat hoac rac thai Chan nudi o d i k kien khong co oxi, phin cae thu duoc sau phan htiy gfim: CH, - 50-75%, CO, f J^ • Dia chi lien he: Tel.: (+84) 963.915.476 Email: quoc.trandang@hust.edu.vn =[2],25-50%, 0-3%, = nhien 0-3% heu va H2O = 0-3% Sii dungH2S khi- sinh hgcH2 lara cho dgng ca A'> ~ I' - " , , , " - -,- ™ """"B f ' " " ? ' E"" P^^P ^^ >*