Examination of Cloud Seeding on Board of the International Space Station: Experimental and Modeling Approach

被引:0
作者
Farahat, Ashraf [1 ,2 ,3 ]
机构
[1] King Fahd Univ Petr & Minerals, Coll Engn & Phys, Dept Phys, Dhahran 31261, Saudi Arabia
[2] King Fahd Univ Petr & Minerals, Ctr Res Excellence Aviat & Space Explorat, Dhahran 31261, Saudi Arabia
[3] King Fahd Univ Petr & Minerals, Ctr Res Excellence Renewable Energy, Dhahran 31261, Saudi Arabia
关键词
Cloud seeding; Humidity; Silver iodide; Microgravity; International space station;
D O I
10.1007/s12217-024-10149-1
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
This work summarizes the first results from a cloud seeding in microgravity experiment built by the Saudi Space Agency (SSA) and conducted on the International Space Station (ISS). The microgravity conditions provided in the ISS enable examining the interaction between the seeding agent, silver iodide, and the water droplets. Silver iodide particles dynamics of radius of 0.6, 0.3, 0.2, and 0.1 mu m are examined in the ground and at the ISS at room temperature and atmospheric pressure in four 5cm3 chambers. Meanwhile, computer simulations are employed to examine the dynamics of seeding agent falling under the effect of gravity. It is found that microgravity conditions along with reducing seeding particles' size enhance the interaction between seeding particles and the water droplets by increasing the period at which particles staying in the air before dropping down to the floor of the experiment. Humidity level in the experiment is observed to decrease onboard of the ISS because of the interaction between seeding agent and the water droplets.
引用
收藏
页数:12
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