Bearings, lubricants, and seals for actuators and mechanisms
Bearings, lubricants, and seals for lubricated and hydraulic components for space shuttle with high temperature and vacuum operating capabilities
Johnson, R. L.↗
Engineering topics
Ludwig, L. P.
Publications and source records attributed to Ludwig, L. P..
Design study of shaft face seal with self-acting lift augmentation. 3 - Mechanical components
Design of shaft face seal with self-acting lift augmentation for gas turbine engines
Johnson, R. L.↗
Lubrication, friction, and wear in aircraft
Aircraft parts lubrication friction and wear problems, discussing failure modes, solid and liquid lubricants, component damage and lubrication systems
Johnson, R. L.↗
Compressible flow across shaft face seals
Compressible flow across shaft face seals and narrow slots, examining fluid inertia, viscous friction and entrance losses
Johnson, R. L.↗
Compressible flow across shaft face seals
Analysis of compressible flow across shaft face seals
Johnson, R. L.↗
Advancements in bearings, seals, and lubricants
Development of bearings, seals, and lubricants for air breathing turbojet engines
Ludwig, L. P.↗
Analysis of rotational effects on compressible viscous flow across shaft face seals
Physical properties and rotational effects on isothermal compressible flow across shaft seals
Ludwig, L. P.↗
Lubrication, friction, and wear in aircraft
Lubrication by boundary, elastohydrodynamic, and fluid films, wear due to fretting, erosion, scuffing, and pitting, and friction in aircraft
Johnson, R. L.↗
Design study of shaft face seal with self-acting lift augmentation. 2 - Sealing dam
Sealing dam analysis for design of shaft face seal with self-acting lift augmentation for advanced gas turbine engines
Johnson, R. L.↗
Use of the computer in design of gas turbine mainshaft seals for operation to 500 ft/sec /122 m/sec/
Computerized analysis of seal temperature, elastic displacements and seal force balance in iterative design method for gas turbine mainshaft seals
Johnson, R. L.↗
Design study of shaft face seal with self- acting lift augmentation. Part 1 - Self- acting pad geometry
Parametric design study of self-acting pad geometries for shaft seals in turbocompressors
Johnson, R. L.↗
Use of the computer in design of gas turbine mainshaft seals for operation to 500 ft/sec /122 m/sec/
Computerized design of gas turbine mainshaft seals for operation to 500 ft/sec
Johnson, R. L.↗
Gas turbine face seal thermal deformation and computer program for calculation of axisymmetric temperature field
General computer program for calculating axisymmetric temperature field applied to gas turbine face seal thermal deformation
Allen, G. P.↗
Foil seal Patent
Fluid seal formed by flexible disk on rotating shaft to retain lubricating oils around shaft
Ludwig, L. P.↗
Torque and leakage rates of various lubricated lip seal designs at a peripheral velocity of 120 feet per second
Torque and leakage rates of various lubricated lip seal designs at peripheral velocity of 120 feet per second
Johnson, R. L.↗
Investigation of isothermal, compressible flow across a rotating sealing dam. 1 - Analysis
Rotational effects on isothermal compressible flow across gas turbine sealing dam
Ludwig, L. P.↗
Investigation of isothermal compressible flow across a rotating sealing dam. 2 - Computer program
Computer program for analysis of compressible fluid flow across sealing dam consisting of two closely spaced parallel rings
Ludwig, L. P.↗
Hermetically sealed pump
Mechanically simple, hermetically-sealed pump utilizes pumped fluid for lubrication. The rotor, having helical grooves on the outer surface, functions as both a bearing and pump.
Ludwig, L. P.↗