| 气溶胶的核化清除效率及其物理、化学因子 |
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| 引用本文： | 刘小红,王明康,任传森.气溶胶的核化清除效率及其物理、化学因子[J].热带气象学报,1992,0(4):343-352. |
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| 作者姓名： | 刘小红 王明康 任传森 |
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| 作者单位： | 南京大学大气科学系 |
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| 摘 要： | 在Junge气溶胶谱分布的条件下,推导出气溶胶粒子的核化清除效率的近似公式。与分析解相比较,在一定范围内,数值计算结果与分析解相符。模式计算结果表明,夹卷的上升气块对于大陆和海洋性气溶胶粒子的核化清除效率,除了气溶胶谱分布以外,决定于以下的物理、化学因子:气溶胶化学成分、上升气块的夹卷率、水汽凝结的调节系数(accommodation coefficient)、云底温度等。
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| 收稿时间： | 1991/11/25 0:00:00 |
| 修稿时间： | 1992/5/12 0:00:00 |
THE INFLUENCE OF SOME PHYSICAL-CHEMICAL FACTORS ON EFFICIENCY OF NUCLEATION SCAVENGING OF AEROSOL PARTICLES |
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| Liu Xiaohong,Wang Mingkang and Ren Chuansen.THE INFLUENCE OF SOME PHYSICAL-CHEMICAL FACTORS ON EFFICIENCY OF NUCLEATION SCAVENGING OF AEROSOL PARTICLES[J].Journal of Tropical Meteorology,1992,0(4):343-352. |
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| Authors: | Liu Xiaohong Wang Mingkang and Ren Chuansen |
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| Institution: | Department of Atmospieric Science, Nanjing University |
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| Abstract: | Under the conditions of Junge aerosol spectral distribution, approximate expressions governing the nucleation scavenging of aerosol particles are derived. The numerical results are well consistent with analytical solutions within a specific range. For the nucleation scavenging efficiency of continental and maritime aerosols, the entrainment of model ascending air parcels (with the exception of the spectral distribution) is dependent on such physical-chemical factors as chemical composition of the aerosols, entrainment rate of the ascending air parcels, the accommodation coefficient of water vapor condensation and cloud-base temperature. |
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