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초록
영어
The unique features of HTS offer opportunities and challenges to a number of applications. In this paper we focus on NMR and MRI magnets, illustrating them with the NMR/MRI magnets that we are currently and will shortly be engaged: a 1.3 GHz NMR magnet, an “annulus” magnet, and an MgB2 wholebody MRI magnet. The opportunities with HTS include: 1) high fields (e.g., 1.3 GHz magnet); 2) compactness (annulus magnet); and 3) enhanced stability despite liquid-helium-free operation (MgB2 wholebody MRI magnet). The challenges include: 1) a large screening current field detrimental to spatial field homogeneity (e.g., 1.3 GHz magnet); 2) uniformity of critical current density (annulus magnet); and 3) superconducting joints (MgB2 magnet).
목차
Abstract
1. INTRODUCTION
2. Field and Temperature Ranges
3. Bulk Disk and Thin Plate
4. OPPORTUNITIES: EXAMPLES
4.1. HIGH FIELD
4.2. COMPACT MAGNET
4.3. OPERATION AT ≥10-K & STABILITY
5. CHALLENGES: EXAMPLES
5.1. SCREENING-CURRENT FIELD (SCF)
5.2. JC UNIFORMITY
5.3. SUPERCONDUCTING SPLICES
6. CONCLUSIONS
REFERENCES
1. INTRODUCTION
2. Field and Temperature Ranges
3. Bulk Disk and Thin Plate
4. OPPORTUNITIES: EXAMPLES
4.1. HIGH FIELD
4.2. COMPACT MAGNET
4.3. OPERATION AT ≥10-K & STABILITY
5. CHALLENGES: EXAMPLES
5.1. SCREENING-CURRENT FIELD (SCF)
5.2. JC UNIFORMITY
5.3. SUPERCONDUCTING SPLICES
6. CONCLUSIONS
REFERENCES
저자정보
참고문헌
자료제공 : 네이버학술정보