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    Thundercloud Electrification: Cloud Growth and Electrical Development

    Source: Journal of the Atmospheric Sciences:;1974:;Volume( 031 ):;issue: 006::page 1652
    Author:
    Ziv, Ami
    ,
    Levin, Zev
    DOI: 10.1175/1520-0469(1974)031<1652:TECGAE>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: A time-dependent numerical model is used to simulate the growth of the electric field in thunderclouds by the polarization mechanism, including both the growth of hydrometeors and the growth of the electric charge centers. The results demonstrate a direct coupling between the hydrometeor growth and the electric field. Different types of cloud are discussed with reference to their electrical behavior. It is found that clouds containing large ice particles and small supercooled water drops and fully glaciated clouds can produce electric fields sufficient for lightning to occur. Electrical forces in the clouds tend to slow down the relative fall velocities of the precipitation particles, and reduce their interaction rate. The net effect is a slowing down of the growth of the hydrometeors and the rate of buildup of the electric field.
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      Thundercloud Electrification: Cloud Growth and Electrical Development

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4152441
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    contributor authorZiv, Ami
    contributor authorLevin, Zev
    date accessioned2017-06-09T14:17:41Z
    date available2017-06-09T14:17:41Z
    date copyright1974/09/01
    date issued1974
    identifier issn0022-4928
    identifier otherams-16636.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4152441
    description abstractA time-dependent numerical model is used to simulate the growth of the electric field in thunderclouds by the polarization mechanism, including both the growth of hydrometeors and the growth of the electric charge centers. The results demonstrate a direct coupling between the hydrometeor growth and the electric field. Different types of cloud are discussed with reference to their electrical behavior. It is found that clouds containing large ice particles and small supercooled water drops and fully glaciated clouds can produce electric fields sufficient for lightning to occur. Electrical forces in the clouds tend to slow down the relative fall velocities of the precipitation particles, and reduce their interaction rate. The net effect is a slowing down of the growth of the hydrometeors and the rate of buildup of the electric field.
    publisherAmerican Meteorological Society
    titleThundercloud Electrification: Cloud Growth and Electrical Development
    typeJournal Paper
    journal volume31
    journal issue6
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/1520-0469(1974)031<1652:TECGAE>2.0.CO;2
    journal fristpage1652
    journal lastpage1661
    treeJournal of the Atmospheric Sciences:;1974:;Volume( 031 ):;issue: 006
    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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