Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 205 for “"centrifuge"”.
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An integrated decanter centrifuge-pitot pump
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.
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Submarine landslide flows simulation through centrifuge modelling
… slopes. This thesis is concerned with developing centrifuge scaling laws for submarine landslide flows through the study of modelling submarine landslide flows in a mini-drum centrifuge. A series of tests are conducted at different gravity fields in order to understand the scaling laws involved in …
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Dysrhythmias in Laypersons during Centrifuge-Simulated Suborbital Spaceflight
… findings and tolerance of dysrhythmias during centrifuge-simulated suborbital spaceflight. Methods: Volunteers participated in varied-length centrifuge training programs of 2-7 centrifuge runs over 0.5-2d, culminating in two simulated suborbital spaceflights of combined +Gz and +Gx (peak …
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Human vestibular response during 3 Gz̳ centrifuge stimulation
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1990.
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Centrifuge modeling of immiscible fingering in porous media
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1996.
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Geotechnical centrifuge model testing for pile foundation re-use
… The research described in this thesis, using centrifuge model testing, describes how the existing pile foundations in overconsolidated clay are likely to behave when their loading conditions are changed by unloading caused by demolition and subsequent reloading. This is done with the view to …
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Centrifuge modelling of railway embankments under static and cyclic loading
… is subjected to. Physical modelling in a centrifuge is one of the most effective tools available to a geotechnical engineer. Using the typical designed slopes currently used on the coal export line, the failure of these embankments can be modelled in a centrifuge to better understand the …
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Perceptions of leadership and management competencies requisite for directing Centrifuge camps
… camp directors, and camp staff who have worked a Centrifuge camp since 2001 were mailed the survey. The procedures for how this research was conducted have been clearly explained to allow for future researchers to replicate this study. The research findings were analyzed in order to observe …
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Centrifuge modelling of permeability in a heterogeneous coal mine backfill sequence
… placed on a previously backfilled area. Centrifuge modelling provides a means of better understanding the hydraulic behaviour and measuring the permeability of opencast backfill under controlled laboratory conditions. Based on a preselected backfill prototype, an appropriate centrifuge …
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Correlation between mercury injection and centrifuge capillary pressure measurement for sandstones
Includes bibliographical references (pages 59-61).
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Centrifuge modelling of high shear capacity ribbed piles in stiff clay
… modelling of the ribbed pile in a geotechnical centrifuge. Tools with which to install and load the piles have been developed so that traditional load tests can be carried out on small scale piles of varying rib geometries. Results will be compared and discussed with respect to previous research …
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Numerical simulation of dynamic centrifuge tests on concrete faced rockfill dam
… via numerical simulations representing prototype centrifuge experiments performed on a CFRD model. The effects of two factors on the computed response are investigated: (1) impact of un/reloading rules (hysteretic behavior), and (2) interface type between concrete face and rockfill (welded and …
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Centrifuge modelling of the behaviour of geosynthetic-reinforced soils above voids
… systems such as embankments and landfill liners. Centrifuge modelling of the soil and geosynthetic behaviour was conducted using a trapdoor to simulate the formation of a void in a controlled environment at realistic stress levels. A plane-strain model allowed visual observations of the …
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Modeling human spatial orientation perception in a centrifuge using estimation theory
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1993.
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High Throughput Centrifuge Microfluidic Device for Simultaneous Particle Separation and Solution Exchange
Microfluidic centrifuge devices have gained increasing attention for point-of-need (PoN) sample preparation processes, e.g., in separation or solution exchange of various microparticles, bacteria, and mammalian cells. Yet, those devices capable of simultaneous solution exchange and particle …
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Video imaging method for determining the capillary pressure relationship with a centrifuge
Includes bibliographical references (pages 91-92).
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