Cooled Pads for Tilting-Pad Journal Bearings

Tilting-pad Yeast Extract journal bearings (TPJBs) are widely installed in rotating machines owing to their high stability, but some drawbacks can be noted, such as higher cost with respect to cylindrical journal bearings and thermal issues.High temperatures in the pads correspond to low oil-film thicknesses and large thermal deformations in the pa

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The evolution of hierarchically structured communication

Human language sentences are standardly understood as exhibiting considerable hierarchical structure: they can and typically do contain parts that in turn contain parts, etc.In other words, sentences are thought to generally exhibit significant nested part-whole structure.As far as we can tell, this is not a feature of the gestural or vocal communi

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