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首页> 外文期刊>AIChE Journal >Comprehensive experimental investigation on biomass-glass beads binary fluidization: A data set for CFD model validation
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Comprehensive experimental investigation on biomass-glass beads binary fluidization: A data set for CFD model validation

机译：生物质玻璃珠二元流化综合实验研究：CFD模型验证的数据集

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摘要

Fluidization behavior of biomass and glass beads binary mixtures in a bubbling fluidized bed was experimentally investigated. Mixtures containing different mass fraction of Loblolly Pine white wood and glass beads were fluidized at different fluidization velocities. The particle properties were characterized in a QICPIC that uses a dynamic image processing method to measure both particle size and sphericity. The minimum fluidization velocity was determined using the pressure drop method. An image processing method was developed to capture the dynamic expanded bed height at a very high frequency. The effect of biomass mass fraction and inlet gas velocity on mixing and segregation behavior was studied and analyzed through pressure drop measurements. Pressure drop fluctuations and expanded bed height fluctuations via fast Fourier transform were analyzed and compared. The complete and accurate experimental data reported in this study could provide a benchmark data set for various computational fluid dynamics models validation, calibration, and identification.
机译：实验研究了生物质和玻璃珠的流化行为在鼓泡流化床中的二元混合物。在不同的流化速度下将包含不同质量分数的含有不同质量分数的混合物。颗粒性质的特征在于使用动态图像处理方法来测量粒度和球形的qicpic。使用压降法测定最小流化速度。开发了一种图像处理方法，以捕获非常高的频率的动态扩展床高度。研究了生物质质量分数和入口气体速度对混合和分离行为的影响，并通过压降测量分析。分析了通过快速傅里叶变换的压降波动和扩展床高度波动。本研究中报告的完整和准确的实验数据可以为各种计算流体动力学模型提供基准数据集，验证，校准和识别。

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