Paper Information

Journal:   JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ)   SPRING-SUMMER 2003 , Volume 29 , Number 1 (31 ELECTRICAL ENGINEERING); Page(s) 59 To 65.
 
Paper: 

INDUCTANCE GRADIENT CALCULATION IN RAILGUN

 
 
Author(s):  KESHTKAR A., SOLEYMANIAN M.H., MIRESMAEILI S.M.
 
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Abstract: 

Electromagnetic launchers have very important advantages over powder guns, and then increasing the efficiency of these launchers is one of the important goal of researchers around the world. One of the most important factor to increase efficiency is enlargement "inductance gradient" or L'. This paper presents two methods for calculation L' in cylindrical rails construction. The results of two methods is compared and showed they are almost identical. The second method used for square rails construction and the results is compare with reported result by famous scientist. Finally inductance gradient L' for railgun with auxiliary rails calculate by second method. The methods proposed in this paper have advantages over to numerical method because compact formulas obtained for L' . By these formulas we can study the effects of different dimensions on L' values. A table of L' for different dimensions of railgun is presented in this paper.

 
Keyword(s): RAILGUN, INDUCTANCE GRADIENT, ELECTROMAGNETIC LAUNCHER, ELECTROMAGNETIC FORCE
 
References: 
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