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| STUDY ON MAGNETIC FIELD OF HOLLOW COLUMN SOLENOID MAGNETIC SYSTEM AND SEPARATION PRINCIPLE |
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Received:August 24, 2006
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| DOI： |
| KeyWord:hollow column solenoid ;magnetic flux density ;specific magnetic force |
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| Beijing General Research Institute of Mining and Metallurgy, Beijing 100044, China |
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| Abstract: |
| Using the formula about the magnetic flux density induced by coil which deduced by Biot-Savart law,this paper deduces the formula about random point's magnetic flux density of hollow column solenoid and deduces the formulas about axial specific magnetic force and radial specific magnetic force by using the field gradient expression of binary function and the expression of specific magnetic force. |
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