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水煤浆气化炉激冷室下降管内流动与传热数学模拟 被引量:23

NUMERICAL SIMULATION ON TURBULENT FLOW AND HEAT TRANSFER OF VERTICAL PIPE IN QUENCH CHAMBER OF COAL GASIFIER
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摘要 Quench chamber is the most important component in the coal gasifier,and is easy to break.In order to find the pattern of turbulent flow and heat transfer of synthetic gas in the Vertical downward pipe,a numerical model based on analyzing the flow and heat transfer features of the vertical pipe in quench chamber is first presented.The variations of temperature,velocity of synthetic gas with the change in length and radius of the vertical pipe and the velocity of the gas are obtained,and the effect of radiation is found. The pattern of turbulent flow and heat transfer of synthetic gas in the vertical pipe is further revealed. Quench chamber is the most important component in the coal gasifier,and is easy to break.In order to find the pattern of turbulent flow and heat transfer of synthetic gas in the Vertical downward pipe,a numerical model based on analyzing the flow and heat transfer features of the vertical pipe in quench chamber is first presented.The variations of temperature,velocity of synthetic gas with the change in length and radius of the vertical pipe and the velocity of the gas are obtained,and the effect of radiation is found. The pattern of turbulent flow and heat transfer of synthetic gas in the vertical pipe is further revealed.
出处 《化工学报》 EI CAS CSCD 北大核心 2003年第1期115-118,共4页 CIESC Journal
关键词 水煤浆气化炉 激冷室 下降管 流动 传热 数学模拟 气化设备 quench chamber,vertical pipe,turbulent flow and heat transfer,numerical simulation
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参考文献5

  • 1[1]Li Yun(李云). Numerical Simulation and Analysis of the Turbulent Flow and Heat Transfer in Vertical Pipe of Quench Chamber of Coal Slurry Gasifier: [dissertation](学位论文).Xi'an: Xi'an Jiaotong University, 1999
  • 2[2]Tao Wenquan(陶文铨). Numerical Heat Transfer (数值传热学).Xi'an: Xi'an Jiaotong University Press, 1988. 431
  • 3[3]Zhao Yongzhi (赵永志).Study of the Flow and Heat Transfer in Downward Pipe of Quench Chamber of Coal Slurry Gasifier: [thesis](学位论文).Xi'an: Xi'an Jiaotong University, 2001
  • 4[4]Fan Weicheng(范维澄), Wan Yuepeng(万跃鹏).Model and Calculation of Flow and Combustion.Anhui:China Science and Technology Press, 1992. 208
  • 5[5]Yang Shiming(杨世铭). Heat Transfer(传热学).3rd ed. Beijing: Higher Education Press, 1998. 239

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