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Laser-based investigations of flow fields and OH distributions in impinging flames of domestic cooker-top burners

机译：基于激光的家用灶具燃烧器撞击火焰流场和OH分布研究

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摘要

A thermal performance of impinging flames of widely-used cooker-top burners depends on a complex interaction between flow field and combustion. The critical situation is placed on two typical cooker-top burners having almost the same configurations, but yielding about 10% point difference in thermal efficiency. Therefore, in situ flame measurements of averaged velocity using particle image velocimetry (PIV) and image of averaged OH radicals using planar laser-induced fluorescence (OH-PL1F) are required to obtain insight into the coupling mechanisms during the combustion and heat transfer, and to develop a comprehensive experimental data base to support a phenomenological understanding of the differences in flames of the two burners. A combined study of flow field and combustion forms the basis of a much better understanding of the casual links that couple fluid mechanics, combustion and heat transfer in the two burners. This can provide guidelines for efficient burner design to meet future regulatory requirements.
机译：广泛使用的炊具顶部燃烧器的撞击火焰的热性能取决于流场与燃烧之间的复杂相互作用。关键情况放在两个具有几乎相同配置的典型炊具炉头上，但在热效率上产生约10％的点差。因此，需要使用粒子图像测速（PIV）进行平均速度的原位火焰测量和使用平面激光诱导的荧光（OH-PL1F）进行平均OH自由基的图像测量，以了解燃烧和传热过程中的耦合机理，以及开发综合的实验数据库，以支持对两个燃烧器火焰差异的现象学理解。对流场和燃烧的综合研究，为更好地理解将两个燃烧器中的流体力学，燃烧和热传递耦合在一起的临时联系奠定了基础。这可以为有效的燃烧器设计提供指导，以满足未来的法规要求。

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  • 来源
    《Fuel》 |2011年第3期|p.1024-1035|共12页
  • 作者

    U. Makmool; S. Jugjai; S. Tia; Y. Laoonual; P. Vallikul; B. Fungtammasan;

  • 作者单位

    The Joint Graduate School of Energy and Environment (JCSEE), King Mongkut's University of Technology Thonburi (KMUTT), 126 Pracha Uthit Road, Bangmod,Thungkru, Bangkok 10140, Thailand;

    Combustion and Engine Research Laboratory (CERL), Department of Mechanical Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi(KMUTT), 126 Pracha Uthit Road, Bangmod, Thungkru, Bangkok 10140. Thailand;

    Department of Chemical Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi (KMUTT), 126 Pracha Uthit Road, Bangmod, Thungkru,Bangkok 10140, Thailand;

    Combustion and Engine Research Laboratory (CERL), Department of Mechanical Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi(KMUTT), 126 Pracha Uthit Road, Bangmod, Thungkru, Bangkok 10140. Thailand;

    Department of Mechanical Engineering, Faculty of Engineering, King Mongkut's University of Technology North Bangkok, 1518 Pibulsongkram Road, Bangsue, Bangkok10800, Thailand;

    The Joint Graduate School of Energy and Environment (JCSEE), King Mongkut's University of Technology Thonburi (KMUTT), 126 Pracha Uthit Road, Bangmod,Thungkru, Bangkok 10140, Thailand;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    cooker-top burner; impinging flames; thermal efficiency; piv; oh-plif;

    机译：炉灶;冲击火焰;热效率;光伏;欧姆;

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