Journal of ILASS-Korea (한국분무공학회지)

Institute for Liquid Atomization and Spray Systems-Korea (한국분무공학회)
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Study on RDE (Real Driving Emission) Characteristic of Gasoline Vehicle Depending on the Ambient Temperature

대기 온도에 따른 가솔린 차량의 실도로 배출가스 특성 연구

  • 김현진 (한국석유관리원 석유기술연구) ;
  • 김성우 (한국석유관리원 석유기술연구) ;
  • 이민호 (한국석유관리원 석유기술연구) ;
  • 김기호 (한국석유관리원 석유기술연구) ;
  • 이정민 (한국석유관리원 석유기술연구)
  • Received : 2018.11.14
  • Accepted : 2018.12.16
  • Published : 2018.12.30
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Abstract

Despite the increasingly stringent automotive emissions regulations, the impact of vehicle emissions on air pollution remains large. In addition, since the issue of emission of more exhaust gas than the exhaust gas measured in the test room when the vehicle passing the exhaust gas regulation standard is run on the actual road, many countries studied and introduced gas regulations about Real Driving Emission using Portable Emission Measurement System. At present, Korea regulations restrict the number of NOx and PN in diesel vehicles. In the case of gasoline vehicles, there is no regulation on emission gas, but there is a problem of continuing automobile exhaust gas problems and a large amount of gasoline GDI vehicle's PN emission. So research and interest are increasing due to this problem. In this study, characteristics of exhaust gas depending on changes of ambient temperature were analyzed among various factors affecting exhaust gas measurement of gasoline vehicles. As a result, at the low temperature test, the lower the ambient temperature, the more the exhaust gas was emitted. At ordinary temperature test, no specific tendency was observed due to changes of ambient temperature.

Keywords

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Fig. 1 Portable emission measurement system

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Fig. 2 Installation of PEMS

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Fig. 4 Results of low temperature test

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Fig. 5 Results of ordinary temperature test

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Fig. 3 Test route of RDE

Table 1 Test vehicle specification

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Table 2 Specification of PEMS

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Table 3 Test condition for ambient temperature

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Table 4 Results of low temperature test

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Table 5 Results of ordinary temperature test

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References

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