single phase induction motor and its applications

... 1SINGLE BASE EXTENSION REACTIONS AND THEIR APPLICATIONS IN ENVIRONMENTAL MICROBIOLOGICAL STUDIES HONG PEI YING NATIONAL UNIVERSITY OF SINGAPORE 2009 Trang 2SINGLE BASE EXTENSION REACTIONS AND ... infant feces Applied and Environmental Microbiology 75: 2573-2576 4 Wu, J.-H., P.-Y Hong, and W.-T Liu (2009) Quantitative effects of position and type of single mismatch on single base extension ... clone libraries and DNA microarrays can be utilized to identify the bacterial species present, and fingerprinting tools like T-RFLP and DGGE can be used to rapidly monitor the spatial and temporal

Ngày tải lên: 14/09/2015, 08:47

... diffraction peaks both in powder X-ray diffraction pattern and in 29Si MAS NMR spectra, and ascribed this to its large crystals and its defect–free nature They also observed that pure silica ... a liquid-phase synthesis mechanism and that Al was an essential element for its formation Both the crystallization rate and crystal size of zeolite beta depend on the alkali content and the molar ... Zr200 (c), and Si-beta (d) 110 Figure 4-4 IR Spectra of 4-methylcyclohexanone adsorption (at 25 ºC) and desorption at 25, 50, 100, and 200 ºC over Zr-beta (a), Sn-beta (b), Ti-beta (c), and H-beta

Ngày tải lên: 16/09/2015, 17:12

... Mathematical Induction Strong Induction Well­Ordering Recursive Definitions Structural Induction Recursive Algorithms Program Correctness (not yet included in overheads) Mathematical Induction ... Section Summary Mathematical Induction Examples of Proof by Mathematical Induction Mistaken Proofs by Mathematical Induction Guidelines for Proofs by Mathematical Induction Climbing an Infinite ... Applying (2) again, the third rung. And so on.  We  can apply (2) any number of times to reach any  particular rung, no matter how high up This example motivates proof by  mathematical induction Principle of Mathematical Induction

Ngày tải lên: 14/10/2020, 14:55

... induced it CEMF is the EMF caused by electromagnetic induction.Three-phase Induction MotorAn induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor ... Current distribution and dynamic force in a 3-phase winding The equation of current per phase: With a three-phase asynchronous motor with three-phase combing, windings AX, BY, and CZ are placed ... diagram for a single phase on an asynchronous motor: Figure 2 3: Alternative diagram for single phase on asynchronous motor (www.voer.edu.vn) Where: - U 1f is the r.m.s value of the stator phase voltage

Ngày tải lên: 22/02/2024, 12:39

... following published and/or accepted journal and conference papers: 1 Anh T N and Hosoda T.: Depth-Averaged model of open channel flows over an arbitrary 3D surface and its applications to analysis ... channel, flow in meandering channel, and flow in Parshall flume with supercritical outflow was satisfactory Zhou and Goodwill (1997) presented a depth-averaged model and compared its predictions ... developed and applied the 2D depth-averaged models in variety of hydraulic engineering problems as follows: McGuirk and Rodi (1978) studied the side discharge into an open channel and its re-circulating

Ngày tải lên: 06/11/2012, 10:35

... Trang 1MASS TRANSFER IN MULTIPHASE SYSTEMS AND ITS APPLICATIONSEdited by Mohamed El-Amin Trang 2Mass Transfer in Multiphase Systems and its ApplicationsEdited by Mohamed El-Amin Published ... solid phase fluid phase 1 fluid phase 2 C x t = t 2 C21,eq Fig 4 Pore-scale picture of interphase mass transfer Trang 17Mass and Heat Transfer During Two-Phase Flow in Porous Media - Theory and ... - Theory and Modeling 1Jennifer Niessner and S Majid Hassanizadeh Solute Transport With Chemical Reaction in Singleand Multi-Phase Flow in Porous Media 23 M.F El-Amin, Amgad Salama and Shuyu

Ngày tải lên: 20/06/2014, 06:20

... transfer between phases, some substantial changes in density and viscosity of thephases The number of phases and compositions of each phase depend on the thermodynamicconditions and the concentration ... equilibrium among phases has been assumed, (T α=T,∀α), and k α and ¯q αrepresent the effective thermal conductivity of the phaseα and the interphase heat transfer rate associated with phaseα, respectively ... in phaseα : densities; x αi is the phase molar fractions; and F i is the source/sink term of the i thcomponentwhich can be considered as the phase change at the interface between the phaseα and

Ngày tải lên: 20/06/2014, 06:20

... concurrently with the formation of the drop (Fig 3,a) and even earlier and has three-dimensional character despite a small thickness of the layer and its horizontal position The alcohol, escaping from ... watch its propagation throughout the cell volume, to estimate the intensity of its variation using the rate of change of the interference bands at the selected points (e.g in drop center) and also ... lateral walls of the drop and moved along the bottom towards its center As a result, vertical gradients of the surfactant concentration were formed both in the drop and in the layer Capillary

Ngày tải lên: 20/06/2014, 06:20

... gas-liquid phase without practical changes in their density, viscosity and surface tension (Linek et al., 1970; Robinson and Wilke, 1973; Robinson and Wilke, 1974; Van’t Riet, 1979; Hassan and Robinson, ... liquid phase is known to decrease the rate for gas bubbles to coalesce (Marrucci and Nicodemo, 1967; Zieminski and Whittemore, 1971) and to decrease the size of gas bubbles dispersed in liquid phase ... shaft in its section between the lower end of the column and the liquid surface Additionally, the angular difference of position between the blades of one impeller and those of upper and lower

Ngày tải lên: 20/06/2014, 06:20

... 0,04 0,06 0,08 0,1 Fig 4 Turbulent intensity in single-phase and bubbly boundary layer 0 2 4 6 8 10 Fig 5 Turbulent shear stress in single-phase and bubbly pipe flows If from a theoretical point ... in the phase flow with a liquid film on the tube wall is similar to mass transfer mechanism in the Trang 18two-single-phase flow and can be calculated by correlations for the two-single-phase ... the methods for combined transport of oil and gas, and improvement of operation efficiency and reliability of conventional and new apparatuses for heat and electricity production require new quantitative

Ngày tải lên: 20/06/2014, 06:20

... diminishes and stretches to zero at the channel exit, as phase change and mass transfer at the liquid-air interface is weak (Fig 16) The axial evolution of NuL for φ0= 30% and 70%, is more complex and ... Chemical Reaction Claudia Irina Koncsag1 and Alina Barbulescu2 two phases One liquid phase is the feed consisting of a solute and a carrier The other phase is the solvent The extraction is understood ... hydrodynamics of a fluid flow and its presence indicates increased flow irreversibility and may lead to the onset of turbulence at low Reynolds number Hanratty et al (1958) and Scheele & Hanratty

Ngày tải lên: 20/06/2014, 06:20

... the species in phases 1 and 2 are lattice atoms A and B, vacancies v and interstitial atoms A and B, which are denoted as Ai and Bi Since N0 = NB + NA + Nv, then cB + cA + cv = 1, and thus the ... Parameters D0 and E for self and impurity diffusion in Al and Cu (Brandes & Brook, 1992), the vacancy formation enthalpy (Bokshtein, 1978), Burgers vector (Brandes & Brook, 1992) and the parameters ... However, these and similar models all by itself cannot produce any information about the physics of defect formation, enhanced diffusion mass transfer and non-equilibrium structural and phase transformations

Ngày tải lên: 20/06/2014, 06:20

... solute evaporating from a liquid phase to an inert phase, surfactant transport from an aqueous to an organic phase, and absorption and desorption of carbon dioxide into and from organic solvents by ... H2S-MEA-H2O and CO2-MEA-H2O were investigated by Buzek, 1983 Absorption of H2S by MEA solution was an instantaneous and irreversible reaction, and the mass transfer resistance in the gas phase was ... tube, and a heat source In order to provide contacting area between liquid and vapor phases, the packed-bed or the tray column can be selected The difference between the packed-bed column and the

Ngày tải lên: 20/06/2014, 06:20

... paper and wood-based materials The pulp and paper industry is a vital manufacturing sector that meets the demands of individuals and society Paper is an essential part of our culture and daily ... used in a wide range of applications, from non-structural to structural applications, outdoor and indoor, mostly in construction and furniture, but also in decoration and packaging The large-scale ... one of the most convenient and durable option of data storage, and a material of excellence for artists and writers It is not surprising that the birth of modern paper and printing industry is

Ngày tải lên: 20/06/2014, 06:20

... A.D (1996) Critical Evaluation and Optimization of the Thermodynamic Properties and Phase Diagrams of the CrO-Cr2O3, CrO-Cr2O3 -Al2O3, and CrO-Cr2O3-CaO Systems J Phase Equilibria, 17, 476-487 ... a variety of applications in the food, chemical, pharmaceutical and cosmetic industries [Hong, et al., 2002] The Food and Drug Administration (FDA) have approved lactic acid and its salts to ... oxygen vacancy and Ogb V K is the equilibrium constant of reaction (5) that occurs at grain boundaries Assuming that te’ = 1 and D Ogb >> D A blg , and inserting ZO = -2 and Eq (6) into

Ngày tải lên: 20/06/2014, 06:20

... coalescence and bubble size and hence decreases both gas holdup and kLa For these cases, Koide et al (1984) and Yasunishi et al (1986) proposed correlations for kLa prediction Sauer and Hempel ... dissipation and their time scale is given by Kolmogoroff (1941) Turbulence in the immediate vicinity of a bubble affects heat and mass transfer rates between the bubble and the liquid and may lead to its ... Ca(OH)2 particles and they developed a correlation Its predictions agree well with those observed by Metha and Sharma (1966) and Botton et al (1980) in a bubble column The gas-phase mass transfer

Ngày tải lên: 20/06/2014, 06:20

... a two-phase reaction mixture and changing a two-phase reaction to a single-phase reaction through the addition of a solvent (Ataya et al., 2006) Trang 10Symbol Value Description and units Literature ... initial and final reaction stages limited by mass transfer between polar methanol/glycerol phase and non-polar oil phase (Zhang et al., 2009) If using specific catalysts, the homogeneous single phase ... transfer was investigated by comparing a mixed versus quiescent phase reaction and changing a two-phase reaction to a single-two-phase reaction through the addition of a solvent, tetrahydrofuran

Ngày tải lên: 20/06/2014, 06:20

... heat and mass transfer and condensation capture of fine dust in scrubbers was formulated, and its efficiency was determined The suggested model can be used for preliminary calculations and estimation ... filtration The presence of two phase states, intensive heat- and mass exchange between these two phase states, a constant countercurrent flow of solid and gas phases complicate considerably theoretical ... concentrated in the single reaction zone Fig 3 Mass flows through the reaction front in cases of: a) gaseous products (Pg) and b) solid products (Ps) Og and Ig – gaseous oxidizer and inert; Fs and Is –

Ngày tải lên: 20/06/2014, 06:20

... Multiphase Systems and its Applications 510 (a) (b) (c) Fig. 6. Chemical structures of the organic extractants: (a) Aliquat 336, (b) Cyanex 301, and (c) Cyanex 923 (Mohapatra and Manchanda, ... feed-membrane interface according to its concentration gradient, and again TOA is reacted with HgCl 4 2− ions from the feed. Mass Transfer in Multiphase Systems and its Applications 514 Thus, the ... transport. The extraction and recovery reactions are described in the following equations: AsO HR RAsO H + + ++U (31) Mass Transfer in Multiphase Systems and its Applications 512 2

Ngày tải lên: 20/06/2014, 06:20

... The gas phase is ideal from the thermodynamic view 3 There is no temperature slip between the solid phase and the gas phase, which is also termed “local thermal equilibrium” (Kuznetzov and Vafai, ... MH reactor 2.2 Reactor geometry and operation The tubular type reactor is developed early and widely used, especially for the heat pump and thermal compression applications, as reviewed by (Yang ... expression and few parameters involved (just ΔH and ΔS) The values of ΔH and ΔS for many MH materials can be found in the literature However, the equation merely covers the plateau phase, in

Ngày tải lên: 20/06/2014, 06:20