Modal analysis and acoustic noise characterization of a 4T MRI gradient coil insert

Concepts in Magnetic Resonance Part B: Magnetic Resonance Engineering

Volumn 22, Issue 1, 2004, Pages 37-49

  Mechefske, C K ^a   Yao, G ^a   Li, W ^a   Gazdzinski, C ^b   Rutt, B K ^b  

^a QUEEN S UNIVERSITY   (Canada)

^b ROBARTS RESEARCH INSTITUTE   (Canada)

Author keywords

Acoustic noise; Echo planar imaging; Measurement; Modal analysis; Natural frequencies; Simulation

Indexed keywords

ACOUSTICS; ARTICLE; FINITE ELEMENT ANALYSIS; MOLECULAR MODEL; NUCLEAR MAGNETIC RESONANCE IMAGING; PREDICTION; PRESSURE VOLUME CURVE; SIGNAL NOISE RATIO; SOUND DETECTION; SOUND PRESSURE; SOUND TRANSMISSION; STRUCTURE ANALYSIS; VIRTUAL REALITY;

EID: 18544377166     PISSN: 10437347     EISSN: None     Source Type: Journal    
DOI: 10.1002/cmr.b.20013     Document Type: Article

References (20)

1. Mechefske CK, Geris R, Gati JS, Rutt BK. 2002. Acoustic noise reduction in a 4 T MRI scanner. MAGMA 13:172-176.
2. Wu Y, Chronik BA, Bowen C, Mechefske CK, Rutt BK. 2000. Gradient-induced acoustic and magnetic field fluctuation in a 4T whole-body MR imager. Magn Reson Med 44:532-536.
3. Hurwitz R, Lane SR, Bell RA, Brant-Zawadzki MN. 1989. Acoustic analysis of gradient-coil noise in MR imaging. Radiology 173:545-548.
4. Ravicz ME, Melcher JR, Kiang NYS. 2000. Acoustic noise during function magnetic resonance imaging. J Acoust Soc Am 108:1683-1696.
5. Shellock FG, Morisoli SM, Ziarati M. 1994. Measurement of acoustic noise during MR imaging: evaluation of six "worst-case" pulse sequences. Radiology 191:91-93.
6. McJury MJ. 1995. Acoustic noise levels generated during high field MR imaging. Clin Radiol 50:331-334.
7. Counter SA, Olofsson A, Grahn Borg E. 1997. MRI acoustic noise: sound pressure and frequency analysis. J Magn Reson Imaging 7:606-611.
8. Price DL, DeWilde JP, Papadaki AM, Curran JS, Kitney RI. 2001. Investigation of acoustic noise on 15 MRI scanners from 0.2T to 3T. J Magn Reson Imaging 14:288-293.
9. McJury M, Shellock FG. 2000. Auditory noise associated with MR procedures: a review. J Magn Reson Imaging 12:37-45.
10. Katsunuma R, Takamori H, Sakakura Y, Hamamura Y, Ogo Y, Katayama R. 2002. Quiet MRI with novel acoustic noise reduction. MAGMA 13(3):139-144.
11. Cho ZH, Chung ST, Chung JY. 1998. A new silent magnetic resonance imaging using a rotating DC gradient. Magn Reson Med 39:317-321.
12. Chen CK, Chiueh TD, Chen JH. 1999. Active cancellation systems of acoustic noise in MR imaging. IEEE Trans Biomed Eng 46(2):186-199.
13. Mansfield P, Haywood B, Coxonl R. 2001. Active acoustic control in gradient coils for MRI. Magn Reson Med 46:807-818.
14. Mechefske CK, Wu Y, Rutt BK. 2002. MRI gradient coil cylinder sound field simulation and measurement. J Biomed Eng 124:450-455.
15. Edelstein WA, Hedeen RA, Mallozzi RP, El-Hanamsy S-A, Ackermann RA, Havens TJ. 2002. Making MRI quieter. Magn Reson Imaging 20:155-163.
16. Tomasi DG, Ernst T. 2003. Echo planar imaging at 4 tesla with minimum acoustic noise. J Magn Reson Imaging 18:128-130.
17. Hedeen RA, Edelstein WA. 1997. Characterization and prediction of gradient acoustic noise in MR imagers. Magn Reson Med 37(1):7-10.
18. Singhal RK, Guan W, Williams K. 2002. Modal analysis of a thick-walled circular cylinder. Mechanical Systems and Signal Processing 16(1):141-153.
19. Mechefske CK, Wu Y, Rutt BK. 2002. Characterization of acoustic noise and magnetic field fluctuations in a 4T whole-body MRI scanner. Mech Syst Signal Pr 16(2-3):459-473.
20. Ling JX, Amor W, DeMeester G. 1995. Numerical and experimental studies of the vibration and acoustic behaviors of MRI gradient tube. Proceedings of the ASME Conference on Acoustics and Vibrations of Rotating Machines 84-1:311-317.