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Optimization of self-acting herringbone journal bearings for maximum stability
Groove parameters were determined to maximize the stability of herringbone grooved journal bearings. Parameters optimized were groove depth, width, length, and angle. Optimization was performed usingExpand
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Nonlinear Analysis of Rotor-Bearing Systems Using Component Mode Synthesis
The method of component mode synthesis is developed to determine the forced response of nonlinear, multishaft, rotor-bearing systems. The formulation allows for simulation of system response due toExpand
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Experimental Load Capacity and Power Loss of Herringbone Grooved Gas Lubricated Journal Bearings
Load capacity, attitude angle, and power loss were determined for 1-1/2-in.-diam herringbone grooved journal bearings operating in air to speeds of 60,000 rpm. Results showed thatExpand
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Analysis of Finger Seal Lift Pads
Analyses were performed on finger seal pads having a pressure drop across the pad at right angles to the direction of runner velocity. The film was tapered; the clearance could decrease in both theExpand
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Flow in the hydrodynamic entrance region of ducts of arbitrary cross section
A general method of analysis is presented for determining the developing velocity field and pressure drop for laminar flow in the entrance region of ducts having arbitrary cross sections. ApplicationExpand
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High stiffness seals for rotor critical speed control
An annular seal is analyzed in which the inlet clearance is larger than the outlet clearance; the flow path may be either stepped or tapered. This design produces radial stiffnesses 1.7 to 14 timesExpand
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Experimental Stability Studies of the Herringbone-Grooved Gas-Lubricated Journal Bearing
Experimental studies were conducted on six rotors, 1 1/2 in. dia by 12 1/4 in. long operating in ambient air to high compressibility numbers. Herringbone-groove geometries and clearances were variedExpand
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Steady-state and stability analysis of externally pressurized gas-lubricated journal bearings with herringbone grooves
Steady-state and stability analysis of externally pressurized gas-lubricated journal bearings with herringbone grooves
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Optimization of self-acting herringbone journal bearings for maximum radial load capacity
Self acting herringbone journal bearings optimization program for maximum radial load capacity and wide operating range via groove configurations
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Approximate Solution for Choked Flow in Gas Seal Pads
ABSTRACT Previous analyses of high pressure seals have considered adiabatic flow with friction but neglected effects of seal rotation. Most of this work analyzed a one-dimensional flow field. ThisExpand
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