[Free GPT-4]
L San Andrés, S Seshagiri - … of Engineering for …, 2013 - asmedigitalcollection.asme.org
Aircraft engine rotors, invariably supported on rolling element bearings with little dam**,
are particularly sensitive to rotor imbalance and sudden maneuver loads. Most engines …

A model for improved prediction of force coefficients in grooved squeeze film dampers and oil seal rings

A Delgado, L San Andrés - 2010 - asmedigitalcollection.asme.org
Squeeze film damper (SFD) designs typically implement supply grooves to ensure adequate
lubricant flow into the film lands. Oil seal rings, of land film clearance c, also incorporate …

A novel bulk-flow model for improved predictions of force coefficients in grooved oil seals operating eccentrically

LS Andrés, A Delgado - 2012 - asmedigitalcollection.asme.org
Oil seals in centrifugal compressors reduce leakage of the process gas into the support
bearings and ambient. Under certain operating conditions of speed and pressure, oil seals …

Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions

L San Andrés, A Alcantar - … of Engineering for …, 2023 - asmedigitalcollection.asme.org
The mechanical efficiency of rotating machinery improves as drag power losses in bearings
reduce; hence, an operation mode that reduces the supplied flow brings immediate benefits …

A Study on the Leakage and Rotordynamic Coefficients of a Long-Smooth Seal With Laminar-Two-Phase, Mainly-Oil Mixtures

M Zhang, DW Childs, DL Tran… - … of Engineering for …, 2020 - asmedigitalcollection.asme.org
This paper conducts a comprehensive study on the effects of the presence of air in the oil on
the leakage and rotordynamic coefficients of a long-smooth seal (inner diameter D= 89.306 …

Design and Calibration of a Full Scale Active Magnetic Bearing Based Test Facility for Investigating Rotordynamic Properties of Turbomachinery Seals in Multiphase …

AJ Voigt, C Mandrup-Poulsen… - … for Gas Turbines …, 2017 - asmedigitalcollection.asme.org
The recent move toward subsea oil and gas production brings about a requirement to locate
process equipment in deepwater installations. Furthermore, there is a drive toward omitting …

Influence of groove size on the static and rotordynamic characteristics of short, laminar-flow annular seals

DW Childs, M Graviss, LE Rodriguez - 2007 - asmedigitalcollection.asme.org
Test results are presented for a smooth seal and three centrally grooved seals that are
representative of buffered-flow oil seals in centrifugal compressors. The seals are short (L∕ …