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    A Stochastic Electrical Model of an Infinite Cloud: Charge Generation and Precipitation Development

    Source: Journal of the Atmospheric Sciences:;1975:;Volume( 032 ):;issue: 009::page 1814
    Author:
    Scott, William D.
    ,
    Levin, Zev
    DOI: 10.1175/1520-0469(1975)032<1814:ASEMOA>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: A stochastic numerical cloud model is used to investigate simultaneously growth of precipitation, the formation of electrical charges on the particles, and the development of the ambient electric field utilizing the polarization charging mechanism. The results indicate a close coupling between precipitation growth and electrification. Precipitation is reduced when the electric field reaches magnitudes of kilovolts per centimeter. The distributions of charge on the particles show charges of a realistic magnitude. Simple restraints on the coalescence efficiency based on electric charge show that, indeed particle charges can have a profound effect on rain development through coalescence. The overall results qualitatively agree with the results from the continuous collection model of Ziv and Levin, i.e., the partial levitation of the particles due to electrical forces and the termination of electric field growth can occur at electric field strengths large enough for lightning.
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      A Stochastic Electrical Model of an Infinite Cloud: Charge Generation and Precipitation Development

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4152744
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    contributor authorScott, William D.
    contributor authorLevin, Zev
    date accessioned2017-06-09T14:18:27Z
    date available2017-06-09T14:18:27Z
    date copyright1975/09/01
    date issued1975
    identifier issn0022-4928
    identifier otherams-16909.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4152744
    description abstractA stochastic numerical cloud model is used to investigate simultaneously growth of precipitation, the formation of electrical charges on the particles, and the development of the ambient electric field utilizing the polarization charging mechanism. The results indicate a close coupling between precipitation growth and electrification. Precipitation is reduced when the electric field reaches magnitudes of kilovolts per centimeter. The distributions of charge on the particles show charges of a realistic magnitude. Simple restraints on the coalescence efficiency based on electric charge show that, indeed particle charges can have a profound effect on rain development through coalescence. The overall results qualitatively agree with the results from the continuous collection model of Ziv and Levin, i.e., the partial levitation of the particles due to electrical forces and the termination of electric field growth can occur at electric field strengths large enough for lightning.
    publisherAmerican Meteorological Society
    titleA Stochastic Electrical Model of an Infinite Cloud: Charge Generation and Precipitation Development
    typeJournal Paper
    journal volume32
    journal issue9
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/1520-0469(1975)032<1814:ASEMOA>2.0.CO;2
    journal fristpage1814
    journal lastpage1828
    treeJournal of the Atmospheric Sciences:;1975:;Volume( 032 ):;issue: 009
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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