EM gun scaling relationships

Sub-scale system test results and the experiences gained during fabrication and testing can be extremely valuable for success with the full scale system. This publication focuses on the EM gun scaling relationships between the full and sub-scaled systems' field variables. Derivations of the sca...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1999-01, Vol.35 (1), p.484-488
Main Author: Yun, H.D.
Format: Article
Language:English
Subjects:
Applied sciences
Automotive engineering
Costs
Current pulses
Derivation
Design engineering
Differential equations
Dimensional stability
Documents
Electrical engineering. Electrical power engineering
Exact sciences and technology
Extreme values
Fabrication
Magnetic levitation, propulsion and control devices
Mathematical analysis
Miscellaneous
Nonlinearity
Power engineering and energy
Railguns
Railway engineering
System testing
Thermal stresses
Various equipment and components
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Description
Summary:Sub-scale system test results and the experiences gained during fabrication and testing can be extremely valuable for success with the full scale system. This publication focuses on the EM gun scaling relationships between the full and sub-scaled systems' field variables. Derivations of the scaling relationships presented are based upon the magnetic, thermal and momentum differential equations and a few basic EM gun equations. It is shown that the EM gun field variables of the two systems can be matched or scaled linearly (the peak values are scaled while their distribution characteristics are unchanged), if the scale factors of the gun dimensions, the gun current pulse, etc. are chosen properly. With the proposed linear scaling method a wide range of different scalings is possible. Cases of nonlinear scaling can be solved approximately in the average sense. The presented scaling relationships are applied to an example to demonstrate.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.738456