Report On a Conference of Dynamics of Ionized Media
Report On a Conference of Dynamics of Ionized Media
Bernard Friedman
The book Report On a Conference of Dynamics of Ionized Media was written by author Bernard Friedman Here you can read free online of Report On a Conference of Dynamics of Ionized Media book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Report On a Conference of Dynamics of Ionized Media a good or bad book?
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Chapman and Ferraro studied the motion of an extremely rare ionized stream in the presence of the earth's magnetic field. They first asstuned 1. = ^J" E which was wrong. This assumption was modified in later work. Put p = m V + e kjc, If H = at the start, then p = - grad ^ and the law of conductivity is similar to that for superconductors: caxl i = - He^ H/mc^, Here H Is the number of the ions. Now curl H « Utt 1 80 that curl curl H = - UtT Ne ^mo, and since V»H » 0, It follows that V ^ H « Utt... He^ H/iac^ -17- The solution of this is H = H e — — o -Xx where X^ = Utt Ne^/mc^ The depth necessary to reduce the current to e~ times its level is d = 5, 5 X 10^ N'^/^ cms. For actual cases this is 5 x 10 cm. Since the thickness of the stream is 11 12 10 - 10 cm, , then the inside of the stream is shielded hy a current sheath. As the stream approaches the earth, there is a retardation of the front so that a hollow space Is formed. earth \ et^^, tfc^e« This hollow thickens the ma^etic lines of force and so increases the mRgnetic field.
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