Experimental Investigation of Combustion Performance of U-Type Flame Holder

ZHENG Dian-feng; ZHANG Hui-qiang; LIN Wen-yi; WANG Jia-hua

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Experimental Investigation of Combustion Performance of U-Type Flame Holder

更新时间：2026-07-07

- Experimental Investigation of Combustion Performance of U-Type Flame Holder
- Vol. 18, Issue 6, (2003)
- 作者机构：
  
  1. 清华大学工程力学系,北京,100084
  2. 南京航空航天大学动力工程学院,江苏,南京,210016
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2003
- 稿件说明：
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ZHENG Dian-feng, ZHANG Hui-qiang, LIN Wen-yi, et al. Experimental Investigation of Combustion Performance of U-Type Flame Holder[J]. 2003, 18(6).
DOI：

ZHENG Dian-feng, ZHANG Hui-qiang, LIN Wen-yi, et al. Experimental Investigation of Combustion Performance of U-Type Flame Holder[J]. 2003, 18(6). DOI：

摘要

对提出的带U型槽射流缝隙式稳定器(简称U型)进行了热态燃烧性能的试验研究

并与V型和双V型稳定器进行了对比。燃烧试验表明:在特定供油方式下

V型和U型稳定器的点火性能好

双V型最差;U型稳定器的燃烧效率最高

双V型次之

V型最差。这些结果说明了本文提出的U型稳定器能够很好地改进双V型稳定器在上游用雾化槽供油时点火困难和火焰稳定性差的不足

兼具蒸发式稳定器和双V型稳定器的优点。冷态流场测量结果表明:U型稳定器在稳焰槽内的流动具有三元结构

在稳定器下游形成较双V型稳定器更强的回流区和低速区

从而使其具有较双V型稳定器更好的点火性能和火焰稳定性。

Abstract

The combustion performance of a U-type flame holder has been experimentally investigated and compared with that of V-type and double V-type flame holders.The combustion-experimental results show that the ignition performance of V-type and U-type flame holders is better than that of the double V-type flame holder under ad hoc case of fuel supplying

and the combustion efficiency of the U-type flame holder is the highest among these flame holders.Furthermore

it is shown that the proposed flame holder of U-type has successfully improved the disadvantage of double V-type flame holder under the circumstance of fuel supplied in the upstream of flame holder

and has the advantages of both other flame holders.The cold-state test results show that the flows in the flame stability tube of U-type are typical three-dimensional and have stronger recirculating zone and low velocity zone in downstream of flame holder than that of double V-type flame holder.It is the reason why the combustion performances of double V-type flame holder are ameliorated by the U-type.

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Related Institution

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