목차

Ⅰ.서 론 ·················································································································· 1
1. 연구 배경 및 동향 ······················································································ 1
2. 연구 목적 ······································································································ 5
Ⅱ. 실험장치 및 방법 ·························································································· 7
1. 실험 장치 ······································································································ 7
1.1 버너 ············································································································ 9
1.2 충돌가열장치 ·························································································· 11
1.3 광학장치 ·································································································· 12
1.4 연소 배출특성 분석 장치 ···································································· 16
2. 실험방법 및 측정방법 ·············································································· 17
2.1 자유제트화염 ·························································································· 17
2.2 충돌제트화염 ·························································································· 21
3 유량 조절 및 유량 검정 ··········································································· 23
Ⅲ. 수치해석 방법 ······························································································ 26
1. Premix Code ·································································································· 26
2. SPIN Code ····································································································· 26
3. 이론적 배경 ·································································································· 27
Ⅳ. 결과 및 고찰 ································································································ 28
1. 자유제트 ········································································································ 28
1.1 화염형상 ···································································································· 28
1.2 층류연소속도 측정 ·················································································· 33
1.2.1 연소속도 측정 방법의 검증 ····························································· 33
1.2.2 조성비에 따른 적정한 연소속도 측정 필요성 ····························· 35
1.2.3 반응물에서 수소 함유량 영향 ························································· 39
1.3 연소반응 해석 ·························································································· 44
1.3.1 주요 라디칼농도 변화 ······································································· 44
1.3.2 수소농도에 따른 반응기구 검토 ····················································· 48
2. 충돌제트 ········································································································ 57
2.1 연소특성 ···································································································· 57
2.1.1 화염형상 ······························································································· 57
2.1.2 연소속도 및 정체점 열전달 특성 ··················································· 61
2.1.3 충돌화염의 배기특성 ········································································· 69
2.2 열전달 특성 ······························································································ 82
2.2.1 변수별 충돌화염형상 ········································································· 82
2.2.2 여러 변수를 통한 정체점 열전달 ··················································· 86
2.2.2.1 레이놀즈수(Reynolds number)영향 ·············································· 86
2.2.2.2 당량비(Φ) 영향 ············································································ 89
2.2.3 반경방향 열전달 특성 ······································································· 93
2.2.3.1 충돌거리(H/d) 영향 ··································································· 94
2.2.3.2 레이놀즈수(Reynolds number)영향 ·············································· 95
2.2.3.3 당량비(Φ) 영향 ············································································ 97
Ⅴ. 결 론 ·········································································································· 102
참고문헌 ············································································································· 106
부 록 ············································································································· 111