2円板ロータ・モデルによるダンパ軸受の動特性解析

概要

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The double disk rotor model is used to analyse the second bending vibration mode generated by unbalance in a damper bearing-supported process compressor. First, a Q-factor map of the model is discussed. It has been shown that this type of map is a highly useful tool in selecting the most suitable parameter sets for rotor design. Secondly, a Q-factor map numerically generated by FEM is used to evaluate the model. The shapes of the Q-factor maps are classified according to vibration mode type. From this classification, the features of each vibration mode are extracted and the cause of the vibration can be analysed. The double disk rotor model is also used to decide on parameters for FEM calculation. The results suggest that the model provides a powerful tool for the simple creation of Q-factor maps.
社団法人日本機械学会の論文
1999-09-25