| View Larger Image | Nucleation and scattering properties of ice cloud due to seeding of sodium chloride as aqueous solution and dust [An article from: Atmospheric Environment] | Digitalby S. Paul (Author), L.N. Biswas (Author), U. De (Author), K. Goswami (Author)
| List Price: | $8.95 | | | Available: | Available for download now |
| | Binding: | Digital | | Publisher: | Elsevier |
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Product Description
This digital document is a journal article from Atmospheric Environment, published by Elsevier in . The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.Description: Sodium chloride in three forms, as aqueous solution and as dust of two size ranges are seeded in a cold room for heterogeneous ice nucleation in the temperature range between -24^oC and 0^oC. Maximum nucleation for all the three seeding agents occurs at -21.2^oC, which is the eutectic temperature of sodium chloride and water mixture. However, the number density of ice nucleation at the eutectic temperature is highest for the finer variety of dust and lowest for the solution. On the other hand, largest size crystals are produced by the solution and smallest size crystals are produced by the finer variety of dust, at the same temperature. It is observed that the optical properties of ice cloud depends more on the crystal size. The variation of scattering co-efficient, extinction co-efficient and optical depth with temperature are noted for the scattering angles of 30^o, 36^o, 144^o and 150^o. The duration of growth of crystals and the same for the subsequent falling down of crystals can be estimated from the time variation of scattering intensity. It is observed that ice crystals due to the solution take maximum time to grow and minimum time to fall down. |
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