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生物材料具有形态丰富、粒径分布广、培养周期短、质量密度低等特点,研究其性能特点对发展新型消光材料具有重要意义。针对生物消光材料在实际应用中的扩散特性,根据莱赫特曼扩散理论,建立了生物消光材料扩散模型,然后对典型自然环境下的生物材料扩散进行了模拟仿真,并定量讨论了风速、地面粗糙度等因素对生物材料扩散的影响。结果表明,受风速以及地面粗糙度等原因的影响,参考点高度的生物材料浓度的最大值不断减小,其空间位置也随着时间的变化不断移动。风速越大,地面粗糙度越高,生物消光材料扩散速率越大。
Biomaterials are characterized by rich morphology, wide particle size distribution, short incubation period and low mass density. It is of great importance to study the performance characteristics of biomaterials for the development of new matting materials. In view of the diffusion characteristics of bio-extinction material in practical application, according to Lechterman diffusion theory, the bio-extinction material diffusion model was established, and then the diffusion of biomaterial in typical natural environment was simulated. The effects of wind speed, Roughness and other factors on the proliferation of biological materials. The results show that the maximum value of the concentration of biomaterial at the reference point decreases continuously due to the influence of wind speed and surface roughness, and the spatial position of the biomaterial also moves continuously with time. The greater the wind speed, the higher the surface roughness, the greater the rate of diffusion of biological matting material.