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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 127 records · Page 7

All sources NASA NTRS DOE OSTI

DOE OSTI2023

Foreword: Message from the MTS Journal Editor

Foreword for upcoming general issue of the Marine Technology Society Journal of which I am the general editor.

99 GENERAL AND MISCELLANEOUS↗

DOE OSTI2026

Technoeconomic Analysis of the Miba Segmented Journal Bearing

This presentation describes a technoeconomic analysis using NLR's Windfarm Operations & Maintenance cost-Benefit Analysis Tool (WOMBAT) to compare operational expenses and levelized cost of energy for wind turbines using standard spherical roller bearings with a novel segmented journal bearing developed by Miba.

17 WIND ENERGY↗

NASA NTRS1964

Ohmmeter senses depletion of lubricant in journal bearings

An ohmmeter is used as a sensor to determine when the lubricating oil in a high speed journal bearing becomes depleted.

Ross, A. O.↗

NASA NTRS1968

Experimental stability studies of the herringbone grooved gas lubricated journal bearing

Herring bone-groove geometry effects on stability of gas lubricated journal bearing

Anderson, W. J.↗

NASA NTRS1968

Experiments on stability of herringbone grooved gas-lubricated journal bearings to high compressibility numbers

High revolutions per minute rotor stability of herringbone-grooved gas-lubricated journal bearings

Anderson, W. J.↗

NASA NTRS1968

Use of an electronic visualization technique in the study of gas journal bearing behavior

Electronic visualization technique for studying dynamic behavior of gas journal bearing

Evans, R. C.↗

NASA NTRS1968

Incompressibly lubricated Rayleigh step journal bearing. 1 - Zero-order perturbation solution

Theoretical analysis of pressure distribution, load capacity, load angle, and friction force for single-step concentric journal bearing

Anderson, W. J.↗

NASA NTRS1968

Experiments with hydrodynamic journal bearings of various materials and designs in sodium at temperatures to 800 deg F.

Hydrodynamic journal bearings in liquid sodium, discussing stability characteristics of different geometries and wear at high temperatures

Anderson, W. J.↗

NASA NTRS1968

Steady-state and dynamic analyses of gas- lubricated hybrid journal bearings.

Gas lubricated hybrid journal bearings with external pressure, noting load capacity and stability in steady state and dynamic analyses

Shapiro, W.↗

NASA NTRS1968

Pivoted-pad journal gas-bearing performance in exploratory operation of Brayton cycle turbocompressor.

Pivoted pad journal gas bearing performance from experimental study of Brayton cycle turbocompressor designed for space power system

Rohlik, H. E.↗

NASA NTRS1968

Experimental stability studies of the herringbone-grooved gas-lubricated journal bearing.

Herringbone grooved gas lubricated journal bearing stability, testing effects of geometries and clearances on onset speed for half frequency whirl

Anderson, W. J.↗

NASA NTRS1969

Journal gas bearing for curved surfaces

Optimizing bearing length and permissible axis curvature alleviates distortion of film gap of gas lubricated journal bearing in deployment mechanisms. Required bearing length is divided into two shorter bearings interconnected by links which allow satisfactory conformity with the bent, load-carrying member.

Redmon, J. W.↗

NASA NTRS1968

Experiments on the stability of water lubricated herringbone-groove journal bearings. 1 - Theoretical considerations and clearance effects

Theory and clearance effects on stability of water lubricated herringbone-groove journal bearings

Anderson, W. J.↗

NASA NTRS1968

Incompressibly lubricated Rayleigh step journal bearing. 2 - Infinite-length solution

Theoretical analysis of pressure distribution, load capacity, attitude angle, and friction force for eccentric Rayleigh step journal bearing - infinite length solution

Anderson, W. J.↗

NASA NTRS1968