Cost Reduction Strategies for VLHC High Field Option

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Table of Contents

Cost Reduction Strategies for VLHC High Field Option

VLHC: The Challenge is the Cost

Common Coil Design

Field Lines at 15 T in a Common Coil Design Magnet

A Modular Design for a Low-cost Magnet R&D Approach

A Combined Function Magnet Option (Estimated cost savings for VLHC)

Field Quality in Common Coil Design

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

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

PPT Slide

Magnetic Field Calculations

PPT Slide

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

Persistent Current-induced Harmonics Traditional solution: work on the superconductor

PPT Slide

The Proposed Solution to Large Persistent Current Problem in Nb3Sn Magnets that, as a Bonus, Eliminates HEB 

Case Studies for VLHC at/near Fermilab Site (only one tunnel will be needed over the present infrastructure)

Common Coil Magnet System with a Large Dynamic Range (Possible Advantages)

Magnet Aperture: MT and AP Issues

Experimental Investigations for support structure design in ultimate magnet

A Possible Low-cost Magnet Manufacturing Process

Recap on Cost Saving Possibilities for VLHC

Conclusions and Summary

Author:  Ramesh Gupta, LBNL (now at BNL)

Email: gupta@bnl.gov

Home Page: http://www.bnl.gov/magnet/Staff/Gupta/

Other information:
Presented at the Annual VLHC Meeting at Monterey, CA, June 28-30, 1999 while working at LBL. 

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