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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

The influence of inlet pressure and shaft speed on end leakage of a full journal bearing

Christenson, Danny Linn January 2011 (has links)
Digitized by Kansas Correctional Industries
12

Prediction of bearing failure in pin-loaded laminates

Ujjin, Rapee, Mechanical & Manufacturing Engineering, Faculty of Engineering, UNSW January 2007 (has links)
This thesis presents the results of an investigation of bearing failure at a loaded hole in carbon fibre composite laminates. The investigation included finite element analysis and a program of experimental testing for quasi-isotropic laminates, uni-directional laminates and laminates with fibres steered along predefined trajectories. The investigation formed part of a research program in the Cooperative Research Centre for Advanced Composite Structures Ltd (CRC-ACS) support by the Office of Naval Research from the United States. Work in progress in the CRC includes research defined in this thesis including the addition of nano-particles to the resin to improve the bearing strength. The literature survey undertaken in this thesis identified that the micro-buckling theory proposed by Professor C.T. Sun from Purdue University, Indiana USA, is the best analysis procedure for initial bearing failure in pin-loaded laminates. This failure theory has therefore been implemented in a Fortran program using the results from a finite element analysis for the nonlinear contact problem of a pin bearing on a hole in a composite laminate. The finite element analysis is executed using the commercial finite element system MSC.MARC. The numerical predictions have been validated by a test of progressive failure with the aid of an acoustic emission monitoring system. The acoustic emission parametric and frequency analysis is performed using the acoustic emission software Vallen Systeme. Fast fourier transformation of the waveform have been achieved to distinguish and identify microfailure mode. Failure mechanisms have been verified by post-mortem microstructural examination. There are 3 failure mechanisms associated with bearing failure in carbon fibre reinforced epoxy composite, the first is fibre matrix interfacial failure, followed by fibre fracture, and subsequently matrix splitting. The application of AE technique has been applied successfully to characterise the development of failure.
13

Kritische drehzahlen als folge der nachgiebigkeit des schmiermittels im lager ...

Hummel, Charles. January 1926 (has links)
Inaug.-diss.--Eidgenössische technische hochschule, Zürich. / Lebenslauf.
14

Some experiments with sleeve bearing metals

Lunn, Borge. January 1952 (has links)
Afhandling--Polyteknisk laereanstalt, Copenhagen. / Thesis note on p. [4]. Summary in English, German and Danish. Bibliography: p. 131-135.
15

Performance studies of externally pressurized air thrust bearings.

Ho, Kwong-wai. January 1976 (has links)
Thesis (M. Phil.)--University of Hong Kong, 1977.
16

CONTACT STRESSES BETWEEN FINITE TWO-DIMENSIONAL ELASTIC BODIES

Blackketter Dennis Oren, 1932- January 1966 (has links)
No description available.
17

Pressure and temperature measurement techniques in elastohydrodynamic contacts

Turchina, Valentin Alexandru 08 1900 (has links)
No description available.
18

Remote condition monitoring of rolling element bearings with natural crack development

Williams, Tracy Denise 05 1900 (has links)
No description available.
19

An analysis of the full floating textile spindle bearing

Williams, James Frederick 12 1900 (has links)
No description available.
20

A further analysis of the full floating textile spindle bearing

Teasley, Gladstone Alfred 12 1900 (has links)
No description available.

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