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A preliminary investigation of oxygen transfer to liquid drops produced in a spray in a gaseous mediumCollins, Michael Albert 12 1900 (has links)
No description available.
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Mass transfer in bone in vitro.Soremi, Adeyinka January 1971 (has links)
No description available.
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Heat and mass transfer under a laminar impinging jetLi, Yau-Kun January 1977 (has links)
No description available.
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Gas hydrodynamics and mass transfer in low- and medium-consistency pulp suspensions in a retention towerIshkintana, Linda Kate 11 1900 (has links)
In the pulp and paper industry, the interaction between the gas, liquid, and solid phases occurring in various unit operations is often not clearly understood. Such multi-phase operations include flotation deinking (a separation process of paper fibres in the recycling process) as well as the delignification and bleaching operations in the kraft pulping process. Much of the design, operation, and optimization of such processing equipment are dependent upon past experience as well as trial-and-error methodologies.
Pulp fibre suspensions possess a complex and unique rheology. The unpredictability of the behaviour of pulp suspensions at any given mass concentration is due to the bonding between the fibres resulting in network formation (which depends on suspension consistency) with this interaction creating complexity in fluid flow in various unit operations.
This thesis describes the gas hydrodynamic behaviour and gas-liquid mass transfer characteristic in low- and medium-consistency pulp suspensions in batch operation. First, the hydrodynamic behaviour of the gas phase (air) in water and pulp suspensions having mass concentrations up to Cm = 7% is examined by visually observing and recording the bubble shape, size, and rise velocity in a rectangular channel. Results are obtained using a high-speed video camera. Second, the hydrodynamic behaviour is described in terms of the gas holdup along with axial and radial gas phase distributions in water and kraft pulp suspensions having mass concentrations between Cm = 0.5 and 9% in a batch-operated cylindrical bubble column. The gas holdup results are compared using three methods: the suspension height method, the pressure difference method, and the electrical resistance tomography (ERT) method. Finally, the volumetric gas-liquid mass transfer characteristic of air in water and kraft pulp suspensions having mass concentrations up to Cm = 4% is examined in the same bubble column in batch-operation using a dissolved oxygen probe.
Experimental results were comparable to that in literature for water and for pulp fibre suspensions having Cm < 2%. The presence of fibres had a significant effect on the gas holdup and mass transfer characteristic with results providing insight on the limitations that exist in industrial pulp unit operations.
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Gas absorption in a countercurrent packed tower : (1) Absorption with simultaneous chemical reaction (2) absorption into varying viscous solutions /Cho, Jong Soo. January 1987 (has links)
Thesis (Ph. D.)--Oregon State University, 1988. / Typescript (photocopy). Includes bibliographical references (leaves 75-77). Also available via the World Wide Web.
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Mass transfer effect in multiphase flow and their influence on corrosionJiang, Lei. January 2001 (has links)
Thesis (M.S.)--Ohio University, June, 2001. / Title from PDF t.p.
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Gravitationally induced mass transfer of carbon dioxide in hydrocarbon liquids /Lansangan, Roberto M. January 1986 (has links)
Thesis (Ph.D.)--University of Tulsa, 1987. / Bibliography: leaves 73-76.
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Gravitationally induced mass transfer of carbon dioxide in hydrocarbon liquids /Lansangan, Roberto M. January 1986 (has links)
Thesis (Ph.D.)--University of Tulsa, 1987. / Bibliography: leaves 73-76.
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Flow through a model fin and tube heat exchanger and its influence on mass and heat transfer /Gilbert, Gregory P. January 1987 (has links) (PDF)
Thesis (M. Eng. Sc.)--University of Adelaide, 1988. / Includes bibliographical references (leaves 114-119).
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Numerical modelling of heat and mass transfer and optimisation of a natural draft wet cooling towerWilliamson, N. J. January 2008 (has links)
Thesis (Ph. D.)--University of Sydney, 2007. / Title from title screen (viewed February 12, 2009). Includes graphs and tables. Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Aerospace, Mechanical and Mechatronic Engineering. Includes bibliographical references. Also available in print form.
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