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旋转、逆转火焰的热特性和污染排放特性 
定 价：48 元
9 7 0 8 6 7 3 5 7 1 7 7 3 
本书旨在研究以液化石油气（LPG）为燃料的一种基于旋流的、超稳定燃烧的逆转扩散火焰（IDF）的热、污染和传热特性，主要以检验实验性质为主。第一章为概况和动机；第二张是研究的背景，其中包含与逆扩散火焰相关的前期工作的详细文献回顾；第三章介绍了实验装置、仪器和测量方法；第四章到第七章，分别介绍火焰外观、火焰结构、火焰温度场、火焰稳定气体种类、火焰冲击热传递、火焰比较等；第八章是旋转火焰的数值模拟，计算结果作为实验研究的补充；最后，在第九章中对本书的研究结果和结论进行了全面的讨论，并对今后的工作提出了建议。
甄海生，男，1979年出生于河北省唐山市，吉林大学学士，哈尔滨工业大学硕士，香港理工大学哲学博士。2006年赴香港从师梁振华、张镇顺教授，研究火焰燃烧热特征，污染物排放及冲击换热长达10余年。现任职海南大学，机电工程学院火焰燃烧方向学术带头人，‘火焰与燃烧实验室’主任。带领团队的研究对象和内容涵盖预混、非预混，层流、湍流，旋流、非旋流，富氧、贫氧和富氢火焰；传统石化燃料和可再生新燃料；火焰燃烧的热释放、污染物产成机理和控制，洁净燃烧和节能减排技术开发和利用；火焰热释放和热能高效利用；以及燃烧噪音机理和防治。涉及学科包括工程热物理，热力学，传热学，化学反应动力学，流体力学，计算流体力学及声学等。
目录 ABSTRACT....................................................................................................................... i LISTOF PUBLICATIONS............................................................................................. ix (i.e. IDF output of my honorable combustion team at the Hong Kong PolytechnicUniversity) ix ACKNOWLEDGEMENTS.......................................................................................... xiii TABLEOF CONTENT................................................................................................. xiv NOMENCLATURE..................................................................................................... xvii CHAPTER 1 INTRODUCTION................................................................................ 1 1.1 Combustionand flame................................................................................. 3 1.2 Inverse diffusion flame................................................................................ 5 1.3 Scopeand objective of study....................................................................... 7 CHAPTER 2 LITERATUREREVIEW..................................................................... 9 2.1 Review of normal diffusion flame..................................................................... 14 2.2 Review of inverse diffusion flame..................................................................... 15 2.3 Review of swirl combustion.............................................................................. 21 2.4 Summary............................................................................................................ 25 CHAPTER 3 EXPERMENTALAPPARATUS........................................................ 27 3.1 Introduction....................................................................................................... 29 3.2 Burner designs................................................................................................... 30 3.3 Flowmeters calibration....................................................................................... 34 3.4 Temperature measurement.................................................................................. 36 3.5 Flame photography............................................................................................ 41 3.6 In-flame gaseous species measurement.............................................................. 42 3.7 Flue gas measurement........................................................................................ 44 3.8 Heat transfer measurement................................................................................ 46 3.9 Error analysis...................................................................................................... 47 3.9.1 Uncertainty in Ф...................................................................................... 49 3.9.2 Uncertainty in Re..................................................................................... 50 3.9.3 Uncertainty in T....................................................................................... 50 3.9.4 Uncertainty in flame length..................................................................... 51 3.9.5 Uncertainty in concentration................................................................... 51 CHAPTER 4 FLAMECHARACTERISTICS AND TEMPERATURE................. 53 4.1 Flame appearance............................................................................................... 55 4.1.1 Varying Re at fixed Ф............................................................................. 58 4.1.2 Varying Ф at fixed Re............................................................................. 66 4.1.3 Varying S′ at fixed Ф and Re.................................................................. 68 4.2 Flame structure................................................................................................... 69 4.3 Temperature field............................................................................................... 70 4.4 The effect of Re and Ф on temperature............................................................. 77 CHAPTER 5 FLAMEEMISSIONS........................................................................ 79 5.1 In-flame stable gaseous species.......................................................................... 81 5.1.1 O2 concentration...................................................................................... 82 5.1.2 CO2 concentration................................................................................... 86 5.1.3 CO concentration.................................................................................... 89 5.1.4 NOx concentration................................................................................... 93 5.2 The effects of Re and Ф.................................................................................... 99 5.2.1 O2 concentration...................................................................................... 99 5.2.2 CO2 concentration................................................................................. 100 5.2.3 CO concentration.................................................................................. 102 5.2.4 NOx concentration................................................................................. 103 5.3 Overall pollutant emissions.............................................................................. 105 CHAPTER 6 FLAMEIMPINGEMENT HEAT TRANSFER.............................. 109 6.1 Introduction...................................................................................................... 111 6.2 Impinging flame structure................................................................................ 112 6.3 Wall static pressure........................................................................................... 115 6.4 Flametemperature............................................................................................ 116 6.5 Effectsof H on the local heat flux................................................................... 118 6.6 Effectsof Ф on the local heat flux.................................................................. 121 6.7 Effectsof Re on the local heat flux................................................................. 122 6.8 Effectsof S′ on the local heat flux.................................................................. 123 CHAPTER 7 COMPARISONOF FLAMES......................................................... 125 7.1 Introduction..................................................................................................... 127 7.2 Comparison of IDFs with and without swirl................................................... 127 7.2.1 Comparison of flame appearance.......................................................... 127 7.2.2 Comparison of emission index.............................................................. 130 7.2.3 Comparison of heat transfer.................................................................. 134 7.3 Comparison of swirling IDF with premixedflame.......................................... 136 7.3.1 Comparison of flame appearance andstructure.................................... 136 7.3.2 Comparison of flame stability............................................................... 139 7.3.3 Comparison of flame temperature......................................................... 140 7.3.4 Comparison of in-flame gaseous emissions........................................... 143 7.3.5 Comparison of emission index.............................................................. 148 CHAPTER 8 NUMERICALSIMULATION OF THE ISOTHERMAL FLOW.. 151 8.1 Background...................................................................................................... 153 8.2 Mesh generation............................................................................................... 156 8.3 Initial and boundary conditions....................................................................... 158 8.4 Turbulence models........................................................................................... 159 8.5 Computational results...................................................................................... 159 8.5.1Velocity vector....................................................................................... 159 8.5.2Air/fuel mixing....................................................................................... 160 8.5.3Swirl strength........................................................................................ 162 8.6 Comparison with experiments.......................................................................... 164 8.6.1 Flow Structure....................................................................................... 164 8.6.2 Swirl Number........................................................................................ 165 8.7 Summary of numerical simulation.................................................................... 166 CHAPTER 9 CONCLUSION AND RECOMMENDATION.............................. 167 9.1 Conclusions...................................................................................................... 169 9.1.1 Burner testing........................................................................................ 169 9.1.2 Flame appearance and structure............................................................ 170 9.1.3 Flame temperature................................................................................. 170 9.1.4 In-flame stable gaseousspecies............................................................. 170 9.1.5Overall pollutant emissions.................................................................... 171 9.1.6Heat transfer.......................................................................................... 171 9.1.7Comparison of flames............................................................................ 171 9.1.7.1 Swirling and non-swirling IDFs.................................................. 171 9.1.7.2 Swirling IDF and swirling PMF.................................................. 172 9.1.7.3 Potential application of swirling IDF.......................................... 173 9.2 Recommendation for future work................................................................... 173 REFERENCES............................................................................................................. 175
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