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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이 논문의 연구 히스토리 (5)
2013
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We examined the characteristics of NO<SUB>x</SUB> emission for CH4/air non-premixed flames using the exhaust gas recirculation(EGR) methods, which are the air-induced EGR(AI-EGR) and fuel-induced EGR(FI-EGR) methods. Our experimental results show that the NO<SUB>x</SUB> emission index(EI<SUB>nox</SUB>) decreased with increasing EGR ratio. In the range needed to form a stable flame, the reduction rate of EInox for the FI-EGR method was approximately 29% when the EGR ratio was 20%, and the reduction rate for the AI-EGR method was approximately 28% with 25% of the EGR ratio. According to the flame structure based on numerical results, high temperature regions for the FI-EGR method were narrower and lower than those for the AI-EGR method at the same EGR ratio. Furthermore, based on the experimental results for swirl flames, the reduction rate of EI<SUB>nox</SUB> for the FI-EGR method was approximately 49% with 15% of the EGR ratio, while the maximum reduction rate for AI-EGR method was approximately 45% with 25% of the EGR ratio. Consequently, we verified that the FI-EGR method was more effective than the AI-EGR method in reducing NO<SUB>x</SUB> emission for non-premixed flames with EGR. We expect that the results of this study will provide fundamental information relating to hybrid combustion systems, which can be used in the design of combustion systems in the future.
목차
ABSTRACT
1. 서론
2. 실험 및 수치해석 방법
3. 결과 및 검토
4. 결론
참고문헌
참고문헌 (13)
참고문헌 신청
1. [학술지(정기간행물)] - M.N. Navi / 2010 / Theoretical investigation of engine thermal efficiency, adiabatic flame temperature, NOx emission and combustion-related parameters for different oxygenated fuels / Appl. Therm. Eng. 30 : 839 ~ 844
2. [학술지(정기간행물)] - A. Franco / 2009 / The future challenges for “clean coal technologies”: Joining efficiency increase and pollutant emission control / Energy 34 : 348 ~ 354
3. [학술지(정기간행물)] - J.A. Wünning / 1997 / Flameless oxidation to reduce thermal NO-formation / Prog. Energy Combust. Sci. 23 (1) : 81 ~ 94
4. [인터넷자원] - Korea Environment Corporation / / Low NOx burner approval test and performance verification test
5. [기타자료] - SCAQMD / / Rule 1146.2, Emissions of oxides of nitrogen from large water heaters and small boilers and process heaters
2. [학술지(정기간행물)] - A. Franco / 2009 / The future challenges for “clean coal technologies”: Joining efficiency increase and pollutant emission control / Energy 34 : 348 ~ 354
3. [학술지(정기간행물)] - J.A. Wünning / 1997 / Flameless oxidation to reduce thermal NO-formation / Prog. Energy Combust. Sci. 23 (1) : 81 ~ 94
4. [인터넷자원] - Korea Environment Corporation / / Low NOx burner approval test and performance verification test
5. [기타자료] - SCAQMD / / Rule 1146.2, Emissions of oxides of nitrogen from large water heaters and small boilers and process heaters
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