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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.3
- 수록면
- 66 - 71 (6page)
- DOI
- 10.33162/JAR.2018.03.18.1.66
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초록· 키워드
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Purpose: Performance recovered from SCR through cleaning was studied, measuring differential pressure, NOx reduction efficiency, fuel consumption and engine power before and after cleaning. Ideal cleaning intervals are proposed based on SCR mileage and differential pressure. SCR endurance and reliability improvements through cleaning were studied through physicochemical testing of SCR durability at 43,000km 50,000km, and 110,000km respectively.
Methods: Engine power, fuel consumption and exhaust gas were measured using engine full load tests and ND-13 MODE by installing the SCR before cleaned at total engine mileages of 400,000 km, 300,000km and 200,000km. The same tests were performed after cleaning the SCR catalytic converter. Endurance and reliability of the SCR cleaning was studied through the same test by SCR catalyst after each 43,000km 50,000km, 110,000km, durability test on SCR cleaning.
Conclusion: We confirmed the low-performance of the SCR due to clogging is restored by SCR cleaning technology. The NOx reduction efficiency was restored to 82%, 86% and 88% from 69%, 72% and 79%. As well as the NOx reduction efficiency, it was confirmed that the engine power, fuel consumption and back pressure was restored to fresh SCR levels. As a result of the durability and reliability achieved through SCR cleaning, we confined the appearance and reduction efficiency through visual inspection and ND-13 MODE are similar to new SCR catalysts. Finally, it was judged that there was no change in performance even when driving the SCR without cleaning throughout the 100,000 km mileage warranty.
Methods: Engine power, fuel consumption and exhaust gas were measured using engine full load tests and ND-13 MODE by installing the SCR before cleaned at total engine mileages of 400,000 km, 300,000km and 200,000km. The same tests were performed after cleaning the SCR catalytic converter. Endurance and reliability of the SCR cleaning was studied through the same test by SCR catalyst after each 43,000km 50,000km, 110,000km, durability test on SCR cleaning.
Conclusion: We confirmed the low-performance of the SCR due to clogging is restored by SCR cleaning technology. The NOx reduction efficiency was restored to 82%, 86% and 88% from 69%, 72% and 79%. As well as the NOx reduction efficiency, it was confirmed that the engine power, fuel consumption and back pressure was restored to fresh SCR levels. As a result of the durability and reliability achieved through SCR cleaning, we confined the appearance and reduction efficiency through visual inspection and ND-13 MODE are similar to new SCR catalysts. Finally, it was judged that there was no change in performance even when driving the SCR without cleaning throughout the 100,000 km mileage warranty.
목차
1. 서론
2. 실험장치 및 실험조건
3. 실험 결과
4. 결론
References
참고문헌 (10)
참고문헌 신청
[보고서] - Walke, N. H. / 2009 / Development of 3.9 liter Diesel Engine to Meet Euro IV Emission Norms, SAE Technical Paper 2009-26-0024
[단행본] - Chatterjee, S. / 2017 / Heavy duty Diesel Engine Emission control to meet BS VI Regulations
[보고서] - Nishiyama, H. / 2015 / A Study on the Improvement of NOx Reduction Efficiency for a Urea SCR System
[보고서] - Sato, S. / 2015 / Characterization of Emissions from Urea-SCR and DPF System for Heavy Duty Engine, SAE Technical Paper 2015-01-2016
[학술지(정기간행물)] - Akash, K. I. / 2017 / A Review on Selective Catalytic Reduction Technique for Diesel Engine Exhaust After Treatment / IJCET INPRESSO 7 : 206 ~ 210
[단행본] - Chatterjee, S. / 2017 / Heavy duty Diesel Engine Emission control to meet BS VI Regulations
[보고서] - Nishiyama, H. / 2015 / A Study on the Improvement of NOx Reduction Efficiency for a Urea SCR System
[보고서] - Sato, S. / 2015 / Characterization of Emissions from Urea-SCR and DPF System for Heavy Duty Engine, SAE Technical Paper 2015-01-2016
[학술지(정기간행물)] - Akash, K. I. / 2017 / A Review on Selective Catalytic Reduction Technique for Diesel Engine Exhaust After Treatment / IJCET INPRESSO 7 : 206 ~ 210
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