Field Quality Optimization in a Common Coil Magnet Design

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Table of Contents

Field Quality Optimization in a Common Coil Magnet Design

Challenge for the Next Collider 

Very Large Hadron Collider (VLHC)

Common Coil Design (The Original Concept)

Why Don’t We Have More Racetrack Coil Magnets?

Geometric Harmonics

A Few Possible Configurations for Auxiliary Coils

Saturation Induced Harmonics

Optimized Yoke

Field Quality Optimization in the Common Coil Design (Magnet Ends)

Design Optimization Strategies for End Harmonics (3-d)

An Example of End Optimization with ROXIE (iron not included)

Persistent Current-induced Harmonics (may be a problem in Nb3Sn magnets, if nothing is done)

PPT Slide

Recap on Cost Saving Possibilities for VLHC

CONCLUSIONS

Author: Ramesh Gupta

Email: gupta@bnl.gov

Home Page: http://magnets.rhic.bnl.gov/staff/gupta/

Other information:
Talk given at MT16 on 9/26-10/2/1999 

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