Journal of Guangdong University of Technology ›› 2018, Vol. 35 ›› Issue (04): 100-104.doi: 10.12052/gdutxb.170156

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An Experimental Study of ORVR Refueling Emission Based on China VI Standard

Xie Huo-zhi1, Xiong Rui1, Wu Jian1,2, Hu De-qing1, Pan Hao-kun1   

  1. 1. School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China;
    2. Automobile Engineering Research Institute, Guangzhou Automobile Group, Guangzhou 510640, China
  • Received:2017-11-27 Online:2018-07-09 Published:2018-06-06
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Abstract: An on-board refueling vapor recovery (ORVR) system that meets the emission limits of China VI regulation is tested with three refueling emission experiments respectively with OPW refueling gun and ZVA refueling gun, and data of flow of air pipe, flow of circulation pipe, tank pressure and canister weight increments are collected. The results show that the flow of air pipe, flow of circulation pipe, tank pressure and canister weight increments of ZVA refueling gun are less than those of OPW refueling gun when refueling. In the China VI fuel system development process, while adjusting the aperture of flow-limiting valve on circulation pipe as well as calibrating the canister purge, the effect of different refueling guns should be considered.

Key words: onboard refueling vapor recovery (ORVR), refueling gun, fuel system, circulation pipe, canister

CLC Number: 

  • U467.3
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