Mathematical modeling of transport phenomena in electrochemical energy storage systems
Mathematical modeling of transport phenomena in electrochemical energy storage systems
... declare that the thesis is my original work and it has been written by me in its entirety I have duly acknowledged all the sources of information which have been used in the thesis This thesis has ... information which have been used in the thesis This thesis has also not been submitted for any degree in any university previously _ Karthik Somasundaram 17 October 2012 à ...
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Mathematical modeling of transport phenomena in lithium ion batteries
... taken into account 1.2 MATHEMATICAL MODELING OF LITHIUM- ION BATTERIES 1.2 Mathematical modeling of lithium- ion batteries Mathematical modeling and computational analysis are extensively employed in ... transition metal employed for the positive electrode (1.3) 1.1 OVERVIEW OF LITHIUM- ION BATTERIES Figure 1.2: Schematic of a lithium- ion battery operation principle 1.1 OVERVIEW OF LITHIUM- ION BATTERIES ... OVERVIEW OF LITHIUM- ION BATTERIES 1.1.1 Structure and operation principles of a lithium- ion battery cell A basic lithium- ion battery cell consists of several functional layers: a current collector of...
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A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell
... used to analyse and evaluate the performance of a planar and a tubular-shaped PEM fuel cell 2.1 Computational domain The full computational domains for the planar and tubular-shaped PEM fuel cell ... conditions are specified at all external boundaries of the computational domain as well as boundaries for various mass and scalar equations inside the computational domain 2.3.1 Inlets The inlet values ... (a) (b) Figure Three-dimensional computational domains of the planar and tubular-shaped PEM fuel cell: (a) planad and (b) tubular ISSN 2076-2895 (Print), ISSN 2076-2909 (Online) ©2013 International...
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Analysis of transport phenomena and electrochemical reactions in a micro PEM fuel cell with nature inspired flow field design
... convective and diffusive heat and mass transfer, electrode kinetics, transport and phase-change mechanism of water, and potential fields in a micro PEM fuel cell with nature inspired gas flow channels ... fuel cells J Power Sources, 2004, 125(2), 40–51 [16] Maher A. R Sadiq Al-Baghdadi A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell Int J of Energy ... Sadiq Al-Baghdadi A CFD analysis on the effect of ambient conditions on the hygrothermal stresses distribution in a planar ambient air-breathing PEM fuel cell International Journal of Energy and...
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Computationally efficient modeling simulation of transport phenomena in fuel cell stacks
... understanding of transport phenomena in fuel cells, and become an indispensable tool in fuel cell research and development The beginning of modeling of fuel cells can be traced back to the work of Sampath ... output of a given fuel cell stack will depend on its size Increasing the number of cells in a stack increases the voltage, while increasing the surface area of the cells increases the current The cells ... 56 Computationally- efficient Hybrid Strategy for Modeling of Fuel Cell Stacks 5.1 Introduction 59 59 Fuel Cells 2.1 Fuel cells: Electrochemical engines 2.2 Fuel...
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Báo cáo y học: "Mathematical modeling of the socalled Allis test: a field study in orthopedic confusion" docx
... we are not aware of any investigations of the Allis protocol for determining aLLI In our search for information on the Allis test, nomenclatural and procedural issues became apparent, as explained ... reliable and valid ways of measuring LLI are needed There is no way to assess the clinical impact of LLI, both anatomical and functional, without having a convincing method of demonstrating it ... the distal legs – in either a supine or prone patient, usually by careful observation of the location of the feet Asymmetry in distal foot positions resulting from an actual discrepancy in the length...
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Atomistic modeling of energetics and dynamics of diffusive and frictional phenomena in c60 graphene based systems
... barriers into account, to predict the diffusion coefficient as a function of temperature and hydrogen coverage Our findings provide insights into the understanding of the diffusive and frictional phenomena ... regimes of surface diffusion in C60/ graphene system according to the effect of temperature and rotational degrees of freedom (DOFs) of the admolecule In the case of rotational C60 (the set of arrows ... dependence of kinetic nanofriction We use the Einstein’s theory of Brownian motion to analyze the surface diffusion of the C60 admolecule on graphene, and show that the decrease of kinetic nanofriction...
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Study of spin dependent transport phenomena in magnetic tunneling systems
... Introduction to spintronics physics – spin- dependent transport in ferromagnets (FM) The foundation of spintronics is based on the influence of the spin of an electron on its transport properties in FM ... sensitivity of spin- dependent tunneling (in MTJs and granular films) compared to spin- dependent scattering in metallic GMR structures is because the number of carriers is smaller in tunneling systems; ... STUDY OF SPIN- DEPENDENT TRANSPORT PHENOMENA IN MAGNETIC TUNNELING SYSTEMS AJEESH MAVOLIL SAHADEVAN (BSc (Hons.), University of Delhi, India) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF...
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Mathematical modeling of circular dorsal ruffles and lamellipodial dynamics in single and collective cell migration
... collective, and the interactions of molecules and forces which can bring about the motion of cells 1.5.1 Part I: Investigating actin dynamics in circular dorsal ruffles In the first study, the phenomenon of ... behaviour in collective cell migration shows that single cell migration, although the driving force behind collective cell migration, is unable to fully predict the behaviour of a group of cells ... actin-binding proteins have been shown to play a role in the stabilization of the actin network by cross-linking the filaments, such as cortactin and α-actinin [206, 42] Another type of actin...
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Means of transport available in Hanoi.DOC
... an important role in transporting passengers and cargo Especially in transporting passengers in urban area, long distance, container, inter – area cargo, etc… The first line of VietNam Railways ... train runs along the Red River All trains leave in the evening from Hanoi and arrive at Lao Cai train station in the early morning Trains also leave in the evening from Lao Cai and arrive in ... the country and intergrats into Asian railway Up to now,with over 125 years of operation.Viet Nam railway network consists of mains lines linking and passing through over 35 provinces and cities...
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Báo cáo khoa học: Quantitative modeling of triacylglycerol homeostasis in yeast – metabolic requirement for lipolysis to promote membrane lipid synthesis and cellular growth potx
... sources or Triacylglycerol mobilization in yeast as sinks for internal fluxes From a biological point of view, they allow the cell to dispose of excess metabolites by storing them in an inert form When ... inoculation of cells into fresh culture medium; and, most importantly, (c) yields a quantitative description of the utilization of TAG depots for the production of membrane lipids in order to initiate ... one-third of the rate calculated when lipolysis takes place, supporting the predominant role of TAG to provide precursors for phospholipid synthesis during the initiation of cellular growth However,...
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modeling of the conduction in a wo3 thin film as ozone sensor
... spread out between adjacent grains is increased by oxidizing vapours and decreased in the opposite case [6–8], that implies a variation of resistivity in the same way Since 1980, many authors have ... polycrystalline layer made up of grains which have a great disparity of shape and size In this work, the grains are supposed to be quasi-spherical, identical in size, and single-crystal They are jointed, ... was already described The interaction between the gas and the surface was modeled by Langmuir isotherm and the electrical resistivity was evaluated by solving the transport equations This paper...
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Báo cáo khoa học: Disruption of transport activity in a D93H mutant thiamine transporter 1, from a Rogers Syndrome family pdf
... membrane targeting and thiamine transport activity In a recent paper, we described the molecular consequences of a single aminoacid substitution identified in an Italian Rogers syndrome family harboring ... patients carrying this D93H mutant protein which apparently lost thiamine transport activity Aspartate 93 is conserved in all members of the solute carrier SLC19 family Aspartate 93 is located in the ... (Stratagene Inc.) Primers used for mutagenesis of THTR1 (D93H) were: Upstream oligo: 5¢-CCTGTGTTCCTTGCCACACACTACCTCCGTTA TAAACC-3¢ and downstream oligo: 5¢-GGTTTATAACG GAGGTAGTGTGTGGCAAGGAACACAGG-3¢...
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