Title :
Theoretical model of the electromagnetic disturbances caused by explosions in the ionosphere
Author_Institution :
Lab. of Theor. of the Electromagn. Field, Ionosphere & Radiowave Propagation Russian Acad. of Sci. (IZMIRAN), Troitsk, Russia
Abstract :
A new analytical solution of the snowplow model of explosion in the rarefied gas has been obtained. This solution has been compared with Stuart´s and Holway´s numerical models and with experimental data obtained by the SPOLOH experiment. The comparison shows the solution corresponds to these models with good accuracy and allows calculating the main hydrodynamic characteristics. These characteristics were used for evaluating of the electric current and the electromagnetic field occurring by explosion in the ionosphere. Our calculations show the electromagnetic disturbance propagates mainly along magnetic field. Such result agrees with the data obtained by experiments TOR, Trigger and Ariel. Presented model allows calculating electromagnetic and hydrodynamic disturbances caused by active impacts and rocket engines disasters.
Keywords :
electric current; electromagnetic fields; explosions; hydrodynamics; ionospheric disturbances; ionospheric electromagnetic wave propagation; rarefied fluid dynamics; active impacts; electric current; electromagnetic disturbance; electromagnetic field; explosion; hydrodynamic characteristics; hydrodynamic disturbance; ionosphere; rarefied gas; rocket engines disaster; snowplow model; Accuracy; Current; Electromagnetic fields; Electromagnetic modeling; Electromagnetic propagation; Explosions; Hydrodynamics; Ionosphere; Magnetic fields; Numerical models;
Conference_Titel :
Electromagnetics in Advanced Applications, 2009. ICEAA '09. International Conference on
Conference_Location :
Torino
Print_ISBN :
978-1-4244-3385-8
Electronic_ISBN :
978-1-4244-3386-5
DOI :
10.1109/ICEAA.2009.5297590
