Calculation of effective absorption coefficient for aerosols of internal mixture
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摘要: 分析了以黑碳和水组成的内混合强吸收气溶胶粒子体系有效吸收系数随时间变化的规律，并讨论了不同波长、不同半径比等对有效吸收系数的影响。结果表明：波长越短，内混合气溶胶粒子体系有效吸收系数越大，在1~100 s内随时间增大的速度也越快，1~100 s内的增幅比100~1000 s内的大，最大增幅达到132.65%;不同的内外半径比对内混合气溶胶粒子体系的有效吸收系数有较大影响，内外半径比越大，有效吸收系数越大，在1~100 s有效吸收系数增加速度越快，1~100 s内增幅较大，最大增幅达到138.66%。Abstract: The effective absorption coefficient with time of strong absorbing aerosol made of carbon dusts and water of internal mixture is analyzed, and the influence of different wavelengths and radius ratios on it is discussed. The shorter the wavelength is, the larger the effective absorption coefficient is, and more quickly it increases during 1-100 s. The increase of the effective absorption coefficient during 1-100 s is larger than that during 100-1000 s, and the largest increase is 132.65% during 1-100 s. Different ratios between inner and outer radius have large influence on the effective absorption coefficient. The larger the ratio is, the larger the effective absorption coefficient is, and more quickly it increases during 1-100 s. The increase of the effective absorption coefficient during 1-100 s is larger than that during 100-1000 s, and the largest increase is 138.66% during 1-100 s.
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