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Study on Characteristics of Different Types of Nozzles for Coal-Water Slurry Atomization 被引量：2

Study on Characteristics of Different Types of Nozzles for Coal-Water Slurry Atomization
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摘要 Three types of nozzles: a low-pressure multistage nozzle, an effervescent nozzle and a newly developed internal- mixing air-blast nozzle, for atomization of Coal-Water Slurry (CWS) were investigated. Influence of CWS properties including surface tension and apparent viscosity on atomization was studied. Comparisons among the nozzles were carried out in terms of spray droplet mean diameter and fuel output. Versatility of each nozzle was investigated and atomization mechanism of each nozzle was analyzed as well. The results showed that the newly developed internal- mixing air-blast nozzle has high fuel output and small mean droplet size in the spray, but the multistage nozzle has high versatility for handling of low quality CWS. Three types of nozzles: a low-pressure multistage nozzle, an effervescent nozzle and a newly developed internal- mixing air-blast nozzle, for atomization of Coal-Water Slurry (CWS) were investigated. Influence of CWS properties including surface tension and apparent viscosity on atomization was studied. Comparisons among the nozzles were carried out in terms of spray droplet mean diameter and fuel output. Versatility of each nozzle was investigated and atomization mechanism of each nozzle was analyzed as well. The results showed that the newly developed internal- mixing air-blast nozzle has high fuel output and small mean droplet size in the spray, but the multistage nozzle has high versatility for handling of low quality CWS.
作者 KunYuan LifangChen 等
机构地区 InstituteofEngineeringThermophysics InstituteofMechanics
出处 《Journal of Thermal Science》 SCIE EI CAS CSCD 2001年第4期331-335,共5页 热科学学报（英文版）
关键词 喷嘴 煤-水泥浆雾化 特征性 CWS, coal-water slurry, atomization, nozzle.
分类号 TK263.4 [动力工程及工程热物理—动力机械及工程]
  • 相关文献

参考文献8

  • 1Kun Yuan,Lifang Chen,Chengkang Wu.Research onApplication of Coal-Water Slurry Techniques to Disposal ofWheat Straw Pulping Black Liquor[]..1999
  • 2F Ohene.Effect of Coal Beneficiation Process on Rheology/Atomization of Coal Water Slurries[].Quarterly Progress Reports.1993
  • 3D K Ken,D Paul.Dynamic Surface Tension of Coal-Water Slurry Fuels[].Fuel.1995
  • 4C F Smith,P E Sojka,I M Thames.The Influence of Fluid Physical Properties on Coal-Water Slurry Atomization[].Journal of Engineering for Gas Turbines and Power Transaction of the ASME.1990
  • 5U Shavit,N Chigier.The Role of Dynamic SurfaceTension in Air Assist Atomization[].The Physics of Fluids.1995
  • 6D K Ken,S S Kim.Investigation of Dynamic SurfaceTension of Coal-Water Slurry (CWS) Fuels for Applicationto Atomization Characteristics.Proceedings of the 18thInternational Technical Conference on Coal Utilization &Fuel Systems, Florida, U[].SA.1993
  • 7Lifang Chen,Huanqing Zhan,Wenchao Sun,et al.Experimental Study of Combustion of Shen-Mu CWS.Proceedings of the 18th International Technical Conference on Coal Utilization & Fuel Systems, Florida, U[].SA.1993
  • 8S K Chen,A H Lefebvre.Influence of Ambient Air Pressure on Effervescent Atomization[].Journal of Propulsion Technology.1993

同被引文献17

  • 1黄镇宇,张传名,李习臣,刘建忠,周俊虎,岑可法.6t/h撞击式水煤浆喷嘴雾化特性试验研究[J].中国电机工程学报,2004,24(6):201-204. 被引量：25
  • 2于海龙,张传名,刘建忠,范晓伟,周俊虎,岑可法.新型水煤浆喷嘴雾化性能试验研究[J].中国电机工程学报,2005,25(22):99-103. 被引量：16
  • 3于海龙,刘建忠,范晓伟,周俊虎,岑可法.喷嘴结构对水煤浆喷嘴雾化性能影响的试验研究[J].中国电机工程学报,2006,26(14):80-85. 被引量：13
  • 4刘联胜,杨华,衡国辉,杜聪,张财红.气液质量流量比对气泡雾化喷嘴燃烧特性的影响[J].燃烧科学与技术,2007,13(1):10-14. 被引量：8
  • 5Yu G, Li J, Zhang X. Investigation of liquid hydrocarbon combustion in supersonic flows using effervescent atomization[C]//38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, Indianapolis, 2002.
  • 6Geckler S C, Sojka P E. Effervescent atomization of viscoelastic liquids: experiment and modeling[J]. Journal of Fluids Engineering-Transactions of the ASME, 2008: 130(6): 061303-1-061303-10.
  • 7Chin J S, Lefebvre A H. A design procedure for effervescent atomizers[J]. Journal of Engineering for Gas Turbines andPower, 1995, 117(2): 266-271.
  • 8WadeRA, WeertsJ. M, SojkaPE, etal. Effervescent atomization at injection pressures in the MPa range[J]. Atomization and Sprays, 1999, 9(6): 61-667.
  • 9Lefebvre A H, Wang X F, Martin C A. Spray characteristics of aerated-liquid pressure atomizers[J]. Journal of Propulsion andPower, 1988, 4(4): 293-298.
  • 10Sojka P E, Lefebvre A H. A novel method of atomizing coal-water slurry fuels[R]. Pittsburgh: U. S. Department of Energy, 1990.

引证文献2

二级引证文献6

Journal of Thermal Science
2001年 第4期

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