摘要
对循环流化床锅炉风帽射流在密相区穿透深度进行了理论计算和实验研究。根据动量定律和适当的简化假设,建立了风帽射流的物理模型,推导出具有Cartan方程形式的三次代数方程,因而可获得直接的理论解。并根据密度相近的模化条件建立了射流运动的等效水模化试验台。结果表明:实测的射流穿透深度和理论计算值吻合。
The penetration depth into the dense phase zone of circulating fluidized bed boilers by nozzle jets has been theoretically calculated and experimentally investigated. Based on laws of momentum and making some suitable simplifying assumptions, a physical model of the jetting flow from a nozzle is established and a Cartan cubic equation derived, with which direct theoretical solutions can be obtained. Based on the simulation condition of similar density, an equivalent hydraulic test rig for simulating the jet＇ s flow motion has been built. Research results indicate that theoretically calculated penetrating depths agree with experimentally measured.
出处
《动力工程》
EI
CSCD
北大核心
2007年第6期899-902,共4页
Power Engineering
关键词
能源与动力工程
循环流化床锅炉
风帽
射流
穿透深度
energy and power engineering
circulating fluidized bed boiler
nozzle
jet
penetrating depth
