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Frontiers in Energy

ISSN 2095-1701

ISSN 2095-1698(Online)

CN 11-6017/TK

Postal Subscription Code 80-972

2018 Impact Factor: 1.701

Front Energ Power Eng Chin    2010, Vol. 4 Issue (4) : 553-559    https://doi.org/10.1007/s11708-010-0008-y
RESEARCH ARTICLE
Modeling and simulation analysis on parallel hybrid air-fuel vehicle
Pinglu CHEN1,2, Xiaoli YU1(), Xianghong NIE1, Yidong FANG1
1. Power Machinery and Vehicular Engineering Institute, Zhejiang University, Hangzhou 310027, China; 2. College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China
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Abstract

Based on the vehicle simulation software ADVISOR, the model of a parallel air-fuel hybrid vehicle was established, and the modeling of an air powered engine (APE), heat exchanger, braking air tank and control strategy were discussed in detail. Using the vehicle model, a hybrid vehicle refitted from a traditional diesel car was analyzed. The results show that for the New European Driving Cycle (NEDC), the Urban Dynamometer Driving Schedule (UDDS) and the Highway Fuel Economy Test (HWFET) driving cycle, the total reductions in fossil fuel consumption of the hybrid vehicle were 48.29%, 48.51% and 22.07%, respectively, and the emissions could be decreased greatly compared with the traditional diesel car, while the compressed air consumptions of the hybrid vehicle were 97.366, 85.292 and 56.358 kg/100 km, respectively. Using the diesel equivalent as the indicator of fuel economy, the hybrid vehicle could improve the fuel economy by 14.71% and 16.75% for the NEDC and the UDDS driving cycles and decrease by 5.04% for the HWFET driving cycle compared with the traditional car. The simulation model and analysis in this paper could act as the theoretical basis and research platform in optimizing the key components and control strategy of hybrid air-fuel vehicles.

Keywords air powered engine      hybrid vehicle      internal combustion engine      simulation     
Corresponding Author(s): YU Xiaoli,Email:yuxl@zju.edu.cn   
Issue Date: 05 December 2010
 Cite this article:   
Pinglu CHEN,Xiaoli YU,Xianghong NIE, et al. Modeling and simulation analysis on parallel hybrid air-fuel vehicle[J]. Front Energ Power Eng Chin, 2010, 4(4): 553-559.
 URL:  
https://academic.hep.com.cn/fie/EN/10.1007/s11708-010-0008-y
https://academic.hep.com.cn/fie/EN/Y2010/V4/I4/553
Fig.1  System scheme of parallel HAV
Fig.2  Model of parallel HAV
Fig.3  Working principal of inlet valve
Fig.4  Engrgy use SIMULINK model of APE
Fig.5  Model of heat exchanger
parametervalue
total mass/kg1262
wheelbase/mm2511
frontal area/m22.2
coefficient of aerodynamic drag0.31
rolling resistance coefficient0.009
ratio of final drive3.39
Tab.1  Parameters of vehicle
Fig.6  Instantaneous effective areas of valves
parametervalue
stroke/mm115
bore/mm95
expansion ratio16.87
Tab.2  Parameters of APE
Fig.7  Experimental hot-side pressure drop of the intercooler referred
parametervalue
heat transfer area/m210
reference length/m0.017
volume/L14
wall materialsteel
Tab.3  Parameters of heat exchanger used in simulation
Le/(10-1L·km-1)NOx/(g·km-1)PM/(g·km-1)
NEDC5.4210.5330.047
UDDS5.4380.4360.036
HWFET3.9600.3120.026
Tab.4  Diesel oil consumption () and emissions of traditional car
Le/(10-1L·km-1)NOx/(g·km-1)PM/(g·km-1)
NEDC2.8030.3450.025
UDDS2.8000.2950.022
HWFET3.0860.2990.021
Tab.5  Diesel oil consumption () and emissions of HAV
Fig.8  Operation points of ICE for HWFET driving cycle
(a) traditional; (b) HAV
NEDCUDDSHWFET
air consumption/(10-1kg·km-1)97.36685.29256.358
heat transfer/( kJ·km-1)70.04077.79879.848
heat transfer efficiency/%26.43029.19427.502
Tab.6  Simulation results of heat exchanger and APE
Fig.9  Instantaneous air consumption flow rate of APE
(a) NEDC; (b) UDDS; (c) HWFET
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