scholarly journals Vibration Characteristics of Superconducting Magnets of Magnetically Levitated Vehicles. 2nd Report. The Estimation Method of the Mechanical Heat Load due to the Vibration of the Inner Vessels.

1998 ◽  
Vol 64 (627) ◽  
pp. 4199-4207
Author(s):  
Takashi YAMAGUCHI ◽  
Hidenari AKAGI ◽  
Yoshihiro JIZO ◽  
Motoaki TERAI ◽  
Masatoshi SHINOBU ◽  
...  
Keyword(s):  
Heat Load ◽  
Superconducting Magnets ◽  
Estimation Method ◽  
Vibration Characteristics ◽  
Magnetically Levitated

scholarly journals Vibration Characteristics and a Supporting Method of Inner Vessels of Superconducting Magnets for Magnetically Levitated Vehicles.

1996 ◽  
Vol 62 (603) ◽  
pp. 4153-4160 ◽  
Author(s):  
Shigeru SAKAMOTO ◽  
Toosuke HIRATA ◽  
Kihachiroo TANAKA ◽  
Teruhiro TAKIZAWA ◽  
Tadashi SONOBE ◽  
...  
Keyword(s):  
Superconducting Magnets ◽  
Vibration Characteristics ◽  
Magnetically Levitated

scholarly journals Vibration Characteristics of Superconducting Magnets for the Yamanashi Maglev Test Line Vehicles.

2000 ◽  
Vol 41 (2) ◽  
pp. 79-82 ◽  
Author(s):  
Masafumi OGATA ◽  
Tomohiro OKINO ◽  
Kazuya IKEDA ◽  
Toshiki HERAI ◽  
Motohiro IGARASHI ◽  
...  
Keyword(s):  
Test Line ◽  
Superconducting Magnets ◽  
Vibration Characteristics

Heat load characteristics of new superconducting magnets for the Yamanashi test line

Cryogenics ◽  
1997 ◽  
Vol 37 (9) ◽  
pp. 479-486 ◽  
Author(s):  
H. Tsuchishima ◽  
M. Terai ◽  
H. Yoshida ◽  
H. Watanabe ◽  
M. Yamaji ◽  
...  
Keyword(s):  
Heat Load ◽  
Test Line ◽  
Superconducting Magnets ◽  
Load Characteristics

Heat load tests of superconducting magnets vibrated electromagnetically for the Maglev train

Cryogenics ◽  
1997 ◽  
Vol 37 (8) ◽  
pp. 403-407 ◽  
Author(s):  
J. Ohmori ◽  
H. Nakao ◽  
T. Yamashita ◽  
Y. Sanada ◽  
M. Shudou ◽  
...  
Keyword(s):  
Heat Load ◽  
Superconducting Magnets ◽  
Maglev Train ◽  
Load Tests

Verification of the Vibration Characteristics of a Reciprocating Compressor in Operation and the Proposal of the Model Parameters Estimation Method

2014 ◽  
Author(s):  
Yoshifumi Mori ◽  
Takashi Saito ◽  
Katsuhide Fujita
Keyword(s):  
Natural Vibration ◽  
Estimation Method ◽  
Frequency Characteristics ◽  
Vibration Characteristics ◽  
Parameters Estimation ◽  
Eigenvalue Analysis ◽  
Model Parameters ◽  
Reciprocating Compressor ◽  
Proposed Model ◽  
Natural Vibration Characteristics

Vibration characteristics of a reciprocating compressor are discussed. To investigate the frequency characteristics in the operation of unhealthy and healthy, we employed the proposed model, which includes stiffness characters about both the connecting and the sliding parts. Expressing the motion of the reciprocating compressor as a rigid body model with eleven degrees of freedom, we numerically investigated the frequency characteristics in operation and the natural vibration characteristics based on a locally linearized method. To examine the frequency characteristics, we carried out vibration tests using a small experimental machine and the eigenvalue analysis based on the proposed model. Comparing the analytical results with experimental results, we found that the proposed model could simulate the fundamental frequency characteristics in operation and the natural modes. Eigenvalue analysis shows that the natural frequencies and modes for a reciprocating compressor depend upon the angle of the crankshaft. In the proposed model, it can express the dominant frequencies occurring during operation and the natural vibration characteristics.

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