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 533 for “"entrainment"”.
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Theory of air entrainment
Thesis (B.S.)--Michigan State College of Agriculture and Applied Science, 1949
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Entrainment in Saldanha Bay
Saldanha Bay is located lOOkm north of Cape Town, along the south western coast of South Africa, at a latitude of approximately 33° S. In 1975 major harbour works, including the construction of an iron ore jetty, divided Saldanha Bay into two distinct bays. The bay to the north of the jetty has …
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Air entrainment in vertical dropshafts
… an investigation into the phenomenon of air entrainment in vertical dropshafts conveying water from a high level to a lower level. The study initially commenced with hydraulic tests on scale models of a vortex-entry dropshaft arrangement. This subsequently expanded into a more detailed …
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Towards Explaining Variation in Entrainment
Entrainment refers to the tendency of human speakers to adapt to their interlocutors to become more similar to them. This affects various dimensions and occurs in many contexts, allowing for rich applications in human-computer interaction. However, it is not exhibited by every speaker in every …
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Entrainment in simulated supercell thunderstorms
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-15 without embargo terms
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Oceanic mixed layer entrainment zone dynamics
… mixed layer model is augmented to include an entrainment zone with finite thickness. The role of entrainment shear production of turbulent kinetic energy is investigated by comparing model results that include the new entrainment zone with observations at Ocean Weather Station Papa in the …
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Entrainment of solids from fluidized beds
Thesis (B.S.) Massachusetts Institute of Technology. Dept. of Chemical Engineering, 1953.
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Models of entrainment of human walking
… supported through the observation of dynamic entrainment and phase-locking to external mechanical perturbations applied at the ankle. Simple models have been developed in attempts to understand these behaviors, but have been unsuccessful at replicating experimental studies. In this manuscript, …
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Laboratory Experiments Investigating Entrainment By Debris Flows
… flow. The mechanics underlying the particle entrainment are not well-understood. Existing models for the entrainment process include those that explicitly consider stress ratios, the angle of inclination, and the particle fluxes relative to those achieved under steady conditions. Other …
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Entrainment of Sediment by Unsteady Turbulent Flows
… a coarse sand and a fine sand. Existing entrainment relations were verified with data that were gathered in steady flow conditions, and it was shown that the Garcia-Parker relation also works well for moderately unsteady flows. For unsteady flows a time lag is observed between the shear …
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Observed entrainment in a power plant plume
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1973.
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The entrainment of solids from fluidized beds
Thesis: B.S., Massachusetts Institute of Technology, Department of Chemical Engineering, 1953
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A reduced-turbulence, reduced-entrainment electrostatic precipitator
… flow was shown to have little effect on the reentrainment of single particles, but appears to reduce reentrainment of an established dust layer. Reentrainment was shown to be an important concern primarily for particles greater than three micrometers in diameter. This research strongly …
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Liquid entrainment from spray distributors for packed columns
… has been developed for estimating the total entrainment from spray nozzles used in liquid distributors of packed beds. The model is based on a mathematical representation of the drop size distribution in sprays, and on the drop buoyancy equations. It takes into account flow rates and physical …
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Hydration and air entrainment of fly ash concrete
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-12-01
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An experimental study of air entrainment by breaking waves
… and field experiments on the measurement on air entrainment by breaking waves. The first part of this thesis addresses the measurement of high volumetric concentrations of air (0.3% to 100% void-fraction) found immediately beneath breaking waves. Instrumentation based on the change of electrical …
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Experimental Study of the Entrainment of Nanoparticles from Surfaces
… to understand the effect of particle size on re-entrainment of nanometer scale particles. One of the major contributions is to reduce the randomness introduced in past measurements on resuspension by controlling humidity, temperature, material and the distribution of shape and particle sizes. In …
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