Packed Beds
CONTEMPORARY CORRELATIONS FOR HEAT AND MOMENTUM TRANSFER IN IRRIGATED PACKED BEDS APPLIED TO THE DESIGN OF COOLING EQUIPMENT FOR HORTICULTURAL PRODUCE
... through beds of the produce, after which the water is treated and re- cycled around the ...the beds of produce and the size of the produce on the operation of cooling ...of packed beds have ...
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Heat and mass transfer from endogeus combustion processes in packed beds
... in packed beds together with the heat and mass transfer processes involved, the thesis proceeds with a review of the various techniques which are available for the early detection of combustion ...
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Flow Simulation and Identification of Important Model Parameters in Industrial Packed Beds for High-Performance Random Packings
... The goals of this work were: first, to simulate the liquid flow distribution in a large diameter (1.2 m) packed column with an RMSR 70-5 high performance random packing (layer height up to 3 m), by a dispersion ...
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NMR Imaging of low pressure, gas phase transport in packed beds using hyperpolarized xenon 129
... the packed bed, as seen in Figures 4 and 5 suggests significant het- erogeneity to gas-phase diffusion between pellets from the same ...the packed bed of bimodal macroporous/mesopo- rous alumina tablets had ...
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Effects of Surface Chemistry on Deposition Kinetics of Colloidal Hematite (α-Fe2O3) in Packed Beds of Silica Sand
... Experimental results indicated that adjusting the total polyelectrolyte concentration by the same factor relating the particle concentrations in the mobility measurements [r] ...
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Discrete element modelling of the packing of spheres and its application to the structure of porous metals made by infiltration of packed beds of NaCl beads
... experimentally. Modelling and experimentation both indicate packed structures with an average coordination number between 6.3 and 6.5. These values are slightly above those measured and simulated for monosized ...
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Permeability reduction phenomena in packed beds, fiber mats, and wet webs of paper exposed to flow of liquids and suspensions: A review
... Modeling of a paper forming process would be just the same as discussed in the previous paragraphs, except that the fiber mat is forming and densifying during the same time that it serves as a filter medium. There have ...
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1. Heat transfer enhancement using porous material
... [1] packed bed reactors are widely used in chemical process industries, because of their low cost and ease of use compared to other packing ...such packed beds are usually much higher than those in ...
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Computational domain discretization in numerical analysis of flow within granular materials
... Therefore an innovative approach to discretization of packed beds of granular materials is proposed. It consists in extending the contact between the individual granules from single point to the cylindrical ...
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Experimental study on heat transfer coefficient and friction factor of Al2O3 nanofluid in a packed bed column
... for small satellites. The authors analyzed the problem theoretically to determine the thermal performance of the catalytic igniter results on porosity, pumping capacity and the ratio of length to diameter. Carlos et al. ...
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Steady improvement of infection control services in six community hospitals in Makkah following annual audits during Hajj for four consecutive years
... The most effective strategies to prevent health care associ- ated infections include audit of the incidence of infection, feedback of these infection rates to clinical staff, continu- ous infection control education ...
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Manufacturing Backend
... Flying probe test is also capable of doing some power up testing by injecting signals at certain points on the board and detecting the output at other locations. Flying probes can access component pins directly or ...
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Water-worked gravel beds in laboratory flumes - a natural analogue?
... four beds, results revealed that certain physical properties of the screeded bed were clearly different from those of the fed ...fed beds exhibited greater surface and subsurface organization and ...
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... a packed bed ...a packed bed and the adsorption performance of the packed bed for the removal of nitrate was investigated by varying various parameters such as pH, bed heights and particle ...
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The evolution of iridescent plumage in the Galliformes: Proximate mechanisms and ultimate functions
... Perhaps the most specialized type of structural colouration mechanism, iridescent colouration, is characterized by a change in appearance when the angle between the observer and source of light changes (Doucet & ...
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A study of home deaths in Japan from 1951 to 2002
... This study is based on vital statistic data in Japan. It is the best data currently available to study the differences and trends concerning the place of death the nations. Trend analysis indicated a significant decline ...
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How has the extent of institutional mental healthcare changed in Western Europe? Analysis of data since 1990
... forensic beds, places in protected housing services and people with mental disorders in ...hospital beds, forensic beds, protected housing places and prison ...hospital beds with other ...
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Mechanism of Haibat Sultan Mountain Land slide in Koya, North Iraq
... the beds is parallel to the road, presence of daylight slope due to steep road cut and some of the beds are intensely jointed, fractured and thinly bedded (Figure 3, Figure 5 and Figure 8); therefore, the ...
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Implementation and evaluation of a nurse-centered computerized potassium regulation protocol in the intensive care unit - a before and after analysis
... Methods: In our surgical ICU (12 beds) and cardiothoracic ICU (14 beds) at a tertiary academic center, we implemented a nurse-centered computerized potassium protocol integrated with the[r] ...
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Wave and Tide Influence in Neogene Paralic Hydrocarbon Potential Reservoirs in Sabah
... Evaluating mixed-energy clastic paralic system requires detailed facies analysis, whichdetermined tide and wave regimes efficacy. This approach is applied to paralic successions in Neogene Sabah basin, utilizing well ...
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