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학술대회자료
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한국자동차공학회 한국자동차공학회 춘계학술대회 2015 KSAE 부문 종합학술대회
발행연도
2015.5
수록면
219 - 226 (8page)

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Time-resolved calculation during the cold start period FCC and BCC has been tried for the Euro 5 small vehicle equipped with 1.6 liter BCC in view of HC emission and energy. Light off time (LOt) calculation of NEDC which is slower in cold start driving was implemented. As usual tool of AU53 in this first cycle was differentiated four kinds of regions: 1) key-on and 11 sec idle, 2) short acceleration which BBC`s power is demanded and start of catalyst warm-up, 3) steady and declined speed which catalyst warmed-up, 4) re-idle which LOt of FCC is obtained. Test for temperature measurement was also handled on the two different loadings of FCC. No concrete differentiation resulted in. Calculation of FCC bed temperature can actually be headed up according to the simplified region area done previous FTP vehicle. AU53 measure applied to the Euro-5 vehicle with low speed has indicated a good correlation with measured data. Of particular importance was the suitability of current FCC specification as loading modulation is applied in calculation. Consequently by combined major variables comprising of FCC we could forecast LOt values by adjustment of major variables like A/F and RPM of vehicle, heat capacity of FCC. The result of analogous SUV vehicle resembling weight and BCC size previously implemented was employed in comparison.

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ABSTRACT
1. 서론
2. Measurement
3. Result & Discussion
4. 결론
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