1) acoustic jetting fluidized bed
声场射流流化床
1.
A cold model of an acoustic jetting fluidized bed with 140 mm in diameter and 1 600 mm high was employed to study the jet penetration depth and the radial and axial profiles of particle concentrations.
在内径140 mm,高1600 mm的声场射流流化床中,以催化裂化催化剂(FCC)和石英砂颗粒为床料,采用光导纤维探针测定了水平射流的射流深度和不同轴/径向位置的颗粒浓度分布。
2) acoustic fluidized bed
声场流化床
1.
The time-series of the FCC particle concentrations were measured by an optical fiber probe under different superficial gas velocities,sound pressure levels and frequencies in an acoustic fluidized bed(140×1600 mm).
在内径140 mm,高1 600 mm的声场流化床中,以FCC颗粒为流化介质,采用光导纤维探针测定不同轴/径向位置的颗粒浓度时间序列,通过统计分析、功率谱分析和小波分析揭示外加声场对颗粒浓度的影响。
2.
The radial and axial profiles of the FCC particle concentrations were measured using an optical fiber probe under different superficial gas velocities, sound pressure levels and frequencies in an acoustic fluidized bed (Φ140 mm×1600 mm).
声场流化床主要有两大优点:(1)声波能有效降低流化床中颗粒聚团的尺寸,使之在很低的操作速度下实现稳定流态化;(2)声能不受颗粒物性限制,可以采用辐射方式引入流化床而不需要内部构件等优点。
3) jetting fluidized bed
射流流化床
1.
A 3D CFD(computational fluid dynamics)simulation were conducted by the combining TFM(two fluid model)and KTGF(kinetic theory of granular flow)on the gas-solid flow behaviors in a jetting fluidized bed with conical distributor.
采用双流体模型结合颗粒动力学理论,对锥形分布板射流流化床内气固流动行为进行了三维的计算流体力学(CFD)模拟研究,系统分析了曳力模型、恢复系数和颗粒间摩擦力对射流流化床膨胀高度和气泡动力学行为的影响。
2.
In a D300?mm jetting fluidized bed with a three-nozzle distributor, the voidage distribution was simulated by two fluid model combined with kinetic theory of granular flow.
在D300mm喷嘴式分布器射流流化床上利用双流体模型结合颗粒动力学理论对空隙率分布进行了模拟计算。
3.
Based on these theories, Fluent code was used to simulate a simple jetting fluidized bed .
以双欧拉模型及颗粒动力学理论为基础,应用Fluent软件进行了简单射流流化床的模拟。
4) magnetic fluidized bed
磁场流化床
1.
Research and application of magnetic fluidized bed;
磁场流化床的研究与应用
2.
The fluidization behavior of SiO_2 nano-particles in magnetic fluidized bed (MFB) by adding coarse magnets was investigated.
研究了纳米SiO_2在添加磁性大颗粒磁场流化床中的流化性能,实验中通过测量其床层膨胀曲线、床层压降曲线以及塌落曲线表明:磁性大颗粒在交变磁场下的振动作用可以破碎流化床中纳米SiO_2的大聚团,使床层压降和床层膨胀明显增大,流化质量获得显著提高。
5) Magnetically fluidized bed
磁场流化床
1.
The fluidization course of a magnetizable particles under an external magnetic field was observed, and the fluidization characteristic curve of magnetically fluidized bed (MFB) was plotted.
系统地观测了磁场作用下气固颗粒系统的流态化过程 ,并绘制了流化特性曲线 ,提出了描述磁场流化床不同阶段特征的 4种状态模型 ,并指出了相应的控制因子 。
6) pressurized jetting fluidized bed
加压射流流化床
补充资料：沸腾床燃烧(见流化床燃烧)
沸腾床燃烧(见流化床燃烧)
boiling-bed combustion:see fluidized-bed combustion
沸腾床燃烧(boiling一bed eombustion)见流化床燃烧。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条