Mathematical models of refueling emission for car with ORVR system

WEI Hai-yan; HE Ren; CAI Jin-rong

doi:10.19818/j.cnki.1671-1637.2010.01.010

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WEI Hai-yan, HE Ren, CAI Jin-rong. Mathematical models of refueling emission for car with ORVR system[J]. Journal of Traffic and Transportation Engineering, 2010, 10(1): 56-59. doi: 10.19818/j.cnki.1671-1637.2010.01.010

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WEI Hai-yan, HE Ren, CAI Jin-rong. Mathematical models of refueling emission for car with ORVR system[J]. Journal of Traffic and Transportation Engineering, 2010, 10(1): 56-59. doi: 10.19818/j.cnki.1671-1637.2010.01.010

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Mathematical models of refueling emission for car with ORVR system

doi: 10.19818/j.cnki.1671-1637.2010.01.010

WEI Hai-yan^{1, 2
,},
HE Ren^1
,,
CAI Jin-rong¹

1.
School of Automobile and Traffic Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
2.
School of Mechanical Engineering, Guangxi University, Guangxi 530004, Nanning, China

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Author Bio:
WEI Hai-yan(1963-), female, asso ciate professo r, docto ral student, +86-511-88791872, gxwhytu@163.com

HE Ren (1962-), male, professor, PhD, +86-511-88791872, heren1962@163.com
Received Date: 2009-12-10
Publish Date: 2010-02-25

Abstract

Abstract

The structures of different kinds of ORVR(on-board refueling vapor recovery) systems were analyzed.Aiming at the systems with pressure control valve or not, tow mathematical models of mechanical and liquid seal ORVR systems were established by using mass transfer principle. The comparison between model simulation result and experiment data shows that the quantity of refueling emission for car with ORVR decreases by 97% compared with that of car with activated carbon canister.Because the inlet of filling pipe is entirely sealed, the refueling emission of car with mechanical ORVR system reduces by 37% compared with liquid seal ORVR system.When pressure control valve is installed in the ORVR system, the refueling emission of car reduces by 8%. Obviously, the ORVR technique can be used to effectively control the refueling emission of car and to reduce environmental pollution.
- automobile engineering,
- refueling emission,
- ORVR system,
- mass transfer theory

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Mathematical models of refueling emission for car with ORVR system

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