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Effect of turbulence on heat transfer in the freeboard of stationary and circulating fluidized beds

机译：湍流对固定流化床和循环流化床干舷传热的影响

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The heat transfer to immersed blunt bodies was measured in the freeboard of a stationary fluidized bed and in the transport zong of circulating fluidized beds, operated with an established bubbling behavior of the bottom bed. The gas-convective component was found to be 50 percent higher than expected in a one-phase flow with no free-stream turbulence. This result is explained by bubble-generated turbulence.

机译：在固定流化床的干舷和循环流化床的输送带中测量了向沉浸的钝体的传热，并在确定的底部沸腾行为下进行了操作。发现气体对流成分比没有自由流湍流的一相流中的气体对流成分高出预期的50％。气泡产生的湍流可以解释这一结果。

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来源
《Fluidization IX》|1998年|p.413-420|共8页
会议地点 Durango CO(US)
作者
G. L. Palchonok; C. Breitholtz; V. A. Borodulya; B. Leckner;
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正文语种 eng
中图分类化学工业;
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1. Enhancement of Heat Transfer in the Freeboard Volume of a Fluidized and Circulating Fluidized Beds: Influence of Turbulence [J] . G. I. PALCHENOK, V. A. BORODULYA, C. BREITHOLTZ, Heat Transfer Research . 2003,第5a6期

机译：流化床和循环流化床干舷容积中传热的增强：湍流的影响
2. A Two-Zone Model for Aerodynamics, Heat-and-Mass Transfer Processes, and Combustion in the Freeboard Space of the Furnace of a Circulating Fluidized-Bed Boiler [J] . B. B. Rokhman Thermal engineering . 2005,第9期

机译：空气动力学，传热传质过程和循环流化床炉干空间内燃烧的两区模型
3. Modeling of solid fuel combustion in oxygen-enriched atmosphere in circulating fluidized bed boiler Part 2. Numerical simulations of heat transfer and gaseous pollutant emissions associated with coal combustion in O2/CO2 and O2/N2 atmospheres enriched with oxygen under circulating fluidized bed conditions [J] . Jaroslaw Krzywanski, Tomasz Czakiert, Waldemar Muskala Fuel Processing Technology . 2010,第3期

机译：循环流化床锅炉中富氧气氛中固体燃料燃烧的模型第2部分。在循环流化床条件下，在富含氧气的O2 / CO2和O2 / N2气氛中与煤燃烧相关的传热和气体污染物排放的数值模拟
4. EFFECT OF RECYCLE ON RADIATIVE HEAT TRANSFER IN THE FREEBOARD OF A FLUIDIZED BED COMBUSTOR [C] . Nevin Selcuk, Isil Ayranci, Yusuf Gogebakan International Conference on Fluidized Bed Combustion . 2005

机译：循环对流化床燃烧室干燥器中辐射热传递的影响
5. Bed hydrodynamics and heat transfer to tubes in the freeboard region of a pressurized fluidized-bed coal combustor. [D] . Sellakumar, Karukkampalayam Muthusami. 1988

机译：床的流体动力学和热量传递到加压流化床煤燃烧室的干高区域中的管道。
6. Heat Transfer Analysis for Stationary Boundary Layer Slip Flow of a Power-Law Fluid in a Darcy Porous Medium with Plate Suction/Injection [O] . Asim Aziz, Yasir Ali, Taha Aziz, -1

机译：平板抽吸/注入达西多孔介质中幂律流体平稳边界层滑流的传热分析
7. Heat transfer in freeboard region of fluidized beds [O] . S. Biyikli, K. Tuzla, J.C. Chen 1983

机译：流化床流动区域的热传递
8. Heat Transfer in Freeboard Region of Fluidized Beds [R] . Biyikli, S., Tuzla, K., Chen, J. C. 1983

机译：流化床干舷区域的传热

Effect of turbulence on heat transfer in the freeboard of stationary and circulating fluidized beds

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