[1]康淑慧,王恩宇,赵春腾,等.超低热值多孔介质燃烧器积木型内芯结构的试验研究[J].河北工业大学学报,2018,(03):80-122.[doi:10.14081/j.cnki.hgdxb.2018.03.014]
 KANG Shuhui,WANG Enyu,ZHAO Chunteng,et al.Experimental study on building-block structure of porous media within ultra-low caloric value gas combustor[J].Journal of Hebei University of Technology,2018,(03):80-122.[doi:10.14081/j.cnki.hgdxb.2018.03.014]
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超低热值多孔介质燃烧器积木型内芯结构的试验研究
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《河北工业大学学报》[ISSN:1007-2373/CN:13-1208/T]

卷:
期数:
2018年03期
页码:
80-122
栏目:
机械工程
出版日期:
2018-06-25

文章信息/Info

Title:
Experimental study on building-block structure of porous media within ultra-low caloric value gas combustor
文章编号:
1007-2373(2018)03-0080-07
作者:
康淑慧王恩宇赵春腾刘联胜苟 湘吴晋湘 
(河北工业大学 能源与环境工程学院,天津 300401)
Author(s):
KANG Shuhui WANG Enyu ZHAO Chunteng LIU Liansheng GOU Xiang WU Jinxiang
(School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401,China) 
关键词:
超低热值燃气多孔介质燃烧器积木型结构
Keywords:
ultra-lowcaloricgas(ULCG)porousmediacombustorbuilding-blockstructure
分类号:
TQ038.4;TK16
DOI:
10.14081/j.cnki.hgdxb.2018.03.014
文献标志码:
A
摘要:
基于一种具有热量回流的超低热值燃气多孔介质燃烧器,通过进行多孔介质块的积木式排列,构建了 多种孔隙分布的多孔介质燃烧室结构. 完成了在理论当量比和一定燃烧强度时,超低热值燃气在不同多孔介质 积木型内芯结构中燃烧的温度变化和污染物排放测试. 研究结果表明:与截面孔隙密度不变的多孔介质内芯相 比,在孔隙密度沿流动方向逐渐降低的情况下,当外侧多孔介质孔隙密度比中心减小时,火焰温度和燃烧稳 定性均降低,CO排放量增大;当外侧孔隙密度比中心增大时,火焰温度和稳定性升高,CO排放量减少. 
Abstract:
Thispaperintroducesaserialofporousmediacombustionchambersconstructedwithdifferentporedistribu? tionbybuilding-blockstructureofporousmediumblocks.Thecombustorwasdesignedfortheultra-lowcaloricgas (ULCG)basedonheatrecirculation.Attheoreticalequivalentratioandacertainfiringrate,thetemperaturechangeand thepollutantemissionsweremeasuredwhentheultra-lowcalorificvaluegascombustedinvariousbuilding-blockstruc? tureofporousmedia.Theresultsshowedthatbycomparingwiththeinnercoreofporousmediawithfixeddensityofpore′s cross-section,wefoundthatwhentheporedensitydecreasedalongtheflowdirection,andtheouterporedensityofpo? rousmediawassmallerthanthatofthecenter,theflametemperatureandcombustionreducedstably,andCOemissions increased;However,whentheouterporedensityofporousmediawaslargerthanthatofthecenter,theflametempera? tureandcombustionincreasedstablyandCOemissionsreduced.

参考文献/References:

[1] WoodS,HarrisAT.Porousburnersforlean-burnapplications[J].ProgressinEnergyandCombustionScience,2008,34:667-684. [2] FranciscoRW,RuaF,CostaM,etal.Combustionofhydrogenrichgaseousfuelswithlowcalori?cvalueinaporousburnerplacedinacon?ned heatedenvironment[J].ExperimentalThermalandFluidScience,2013,45:102-109. [3] YuB,KumSM,LeeCE,etal.Studyonthecombustioncharacteristicsofapremixedcombustionsystemwithexhaustgasrecirculation[J].Ener? gy,2013,61(6):345-353. [4] 何敏,蔡文祥,赵坚行,等.数值研究低热值燃料环管燃烧室燃烧流场[J].航空动力学报,2013,28(2):324-330. 

备注/Memo

备注/Memo:
收稿日期:2017-09-11 基金项目:国家自然科学基金(51276055);河北省高等学校科学技术研究重点项目(ZH2012049);河北省应用基础研究计划重点基础 研究项目(13964308D) 作者简介:康淑慧(1991—),女,硕士研究生.通讯作者:王恩宇(1970—),男,教授,wey@hebut.edu.cn.
更新日期/Last Update: 2018-07-12