Lecture 14 - High-Field Resistive Magnets Reduction of...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
EE 597E Spring 2007 Lecture 14 High High - - Field Resistive Magnets Field Resistive Magnets Reduction of Temporal Fluctuations Reduction of Temporal Fluctuations using Feedback Compensation using Feedback Compensation
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
EE 597E Spring 2007 Lecture 14 Field Strength in NMR Systems Field Strength in NMR Systems Bo (Tesla) 9.4 4.7 14 19 24
Background image of page 2
EE 597E Spring 2007 Lecture 14 Why is Increasing B Why is Increasing B 0 0 Desirable? Desirable? Increases the signal-to-noise ratio Increases spectral resolution Reduces data acquisition time
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
EE 597E Spring 2007 Lecture 14 Magnet Technology Magnet Technology Low-Temperature Superconducting Magnets – Maximum field limited to 21 T (900 MHz) – Fixed field amplitude High-Field Resistive Magnets – Field strengths significantly larger than 21 T – Adjustable field magnitude and direction
Background image of page 4
EE 597E Spring 2007 Lecture 14 Bitter Magnet Construction Bitter Magnet Construction
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
EE 597E Spring 2007 Lecture 14 Keck Magnet Keck Magnet 1 m
Background image of page 6
EE 597E Spring 2007 Lecture 14 Supplementary Systems Supplementary Systems Power supply Four 10 MW DC supplies: 500 V at 80 kA Keck requires 16 MW at 25 Tesla Water cooling – Inlet temperature: 8 o C (46 o F) – Exit temperature: 35 o C (95 o F) – Flow rate: 4500 L/min (1200 gal/min)
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
EE 597E Spring 2007 Lecture 14 National High Magnetic National High Magnetic Field Laboratory Field Laboratory
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/23/2008 for the course EE 597e taught by Professor Schiano during the Spring '07 term at Pennsylvania State University, University Park.

Page1 / 29

Lecture 14 - High-Field Resistive Magnets Reduction of...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online