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An Approach to Model Earth Conductivity Structures with Lateral Changes for Calculating Induced Currents and Geoelectric Fields during Geomagnetic Disturbances
المؤلفون المشاركون
Dong, Bo
Wang, Zezhong
Pirjola, Risto
Liu, Chunming
Liu, Lianguang
المصدر
Mathematical Problems in Engineering
العدد
المجلد 2015، العدد 2015 (31 ديسمبر/كانون الأول 2015)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2015-03-01
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
During geomagnetic disturbances, the telluric currents which are driven by the induced electric fields will flow in conductive Earth.
An approach to model the Earth conductivity structures with lateral conductivity changes for calculating geoelectric fields is presented in this paper.
Numerical results, which are obtained by the Finite Element Method (FEM) with a planar grid in two-dimensional modelling and a solid grid in three-dimensional modelling, are compared, and the flow of induced telluric currents in different conductivity regions is demonstrated.
Then a three-dimensional conductivity structure is modelled and the induced currents in different depths and the geoelectric field at the Earth’s surface are shown.
The geovoltages by integrating the geoelectric field along specific paths can be obtained, which are very important regarding calculations of geomagnetically induced currents (GIC) in ground-based technical networks, such as power systems.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Dong, Bo& Wang, Zezhong& Pirjola, Risto& Liu, Chunming& Liu, Lianguang. 2015. An Approach to Model Earth Conductivity Structures with Lateral Changes for Calculating Induced Currents and Geoelectric Fields during Geomagnetic Disturbances. Mathematical Problems in Engineering،Vol. 2015, no. 2015, pp.1-10.
https://search.emarefa.net/detail/BIM-1074665
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Dong, Bo…[et al.]. An Approach to Model Earth Conductivity Structures with Lateral Changes for Calculating Induced Currents and Geoelectric Fields during Geomagnetic Disturbances. Mathematical Problems in Engineering No. 2015 (2015), pp.1-10.
https://search.emarefa.net/detail/BIM-1074665
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Dong, Bo& Wang, Zezhong& Pirjola, Risto& Liu, Chunming& Liu, Lianguang. An Approach to Model Earth Conductivity Structures with Lateral Changes for Calculating Induced Currents and Geoelectric Fields during Geomagnetic Disturbances. Mathematical Problems in Engineering. 2015. Vol. 2015, no. 2015, pp.1-10.
https://search.emarefa.net/detail/BIM-1074665
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1074665
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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