パッドおよびランナの非定常熱伝導を考慮したティルティングパッドスラスト軸受特性の解析(機械要素,潤滑,工作,生産管理など)

概要

論文の詳細を見る
The behavior of a tilting-pad thrust bearing is affected by the deformation of its pad and runner. The heat and pressure of the oil film between these parts induce their deformation. Because the heat conduction is a transient phenomenon, the deformation is also transient. Accordingly, the deformation of the pad and runner when the rotor accelerates were calculated under transient thermal conditions. Two different acceleration conditions were assumed. That is, when the rotation acceleration is low, the amount of deformation is large. This deformation makes the pad tilt considerably, so the oil film is thicker at the leading edge than at the trailing edge, while the oil film thickness decreases at the radial center of the trailing edge. On the contrary, when the rotation acceleration is high, the deformation is small, so the pad only tilts slightly, and the film thickness at the trailing edge only decreases a little.
一般社団法人日本機械学会の論文
2002-02-25