design and control principles of plug in hybrid electric vehicles
modern electric hybrid electric and fuel cell vehicles
... and Speed Coupling) Hybrid Drive Train; Chapter 10: Design and Control Principles of Plug- In Hybrid Electric Vehicles; Chapter 16: Design of Series Hybrid Drive Train for Off-Road Vehicles, and ... architecture, control, modeling, and design of electric and hybrid electric drive trains and major components He is a member of the Society of Automotive Engineers Ali Emadi received his BS and MS in Electrical ... Perlstein Endowed chair professor of Electrical Engineering and the director of the Electric Power and Power Electronics Center and Grainger Laboratories at Illinois Institute of Technology (IIT) in...
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Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones
... from ref [10] and are listed in Table The geometric and the base case operating conditions are listed in Table In order to gain some insight into the new design of the air-breathing micro-structured ... is essential to the development and optimization of fuel cells, the introduction of cheaper materials and fabrication techniques, and the design and development of novel architectures which enhance ... analysis offers valuable physical insight towards design of a cell and a cell stack, to be considered in a future study References [1] Litster S and Djilali N Mathematical modelling of ambient...
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Novel design of a disk-shaped compacted micro-structured air-breathing PEM fuel cell
... from ref [10] and are listed in Table The geometric and the base case operating conditions are listed in Table In order to gain some insight into the new design of the air-breathing micro-structured ... of flooding and drying issues to the operating conditions in PEM Fuel Cells International Journal of Energy and Environment IJEE, 2010; 1(1), 1-20 ISSN 2076-2895 (Print), ISSN 2076-2909 (Online) ... air-breathing PEM micro fuel cell during regular cell operation International Journal of Energy and Environment, 2010, 1(2), 183-198 [11] Lampinen M.J., and Fomino M Analysis of free energy and entropy...
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Design and development of major balance of plant components in solid oxide fuel cell system
... Associate Researcher of Institute of Nuclear Energy Research He holds a PhD in environmental engineering, M.S and B.S in chemical engineering His research interests include biomass reforming, hydrogen ... reformer and heat exchanger play particularly crucial roles in determining the SOFC system performance The detailed designs of each of these components in the INER SOFC system are described in the ... reforming or partialoxidation reforming In the INER SOFC system, the reforming process is performed using a combination of these two methods by feeding both steam and an oxidant (air) into a...
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Optimal Design of a Hybrid Electric Car with Solar Cells pptx
... panels can be obtained summing the contributes during parking (p) and driving (d) periods (for simplicity, it is assumed that both parking and driving occur during daytime) While in the former case ... values of l,w,h and the limit values of l/w and h/w coincide with their corresponding values in the database of TAB III) The satisfaction of the constraints (21-22) assures that the resulting dimensions ... description of energy flows, the effects of control strategies and more careful analysis of powertrain sizing More detailed models for component weights and costs, including non-linear effects,...
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Modern electric, Hybird Electric and Fuel cell Vehicles pot
... and Speed Coupling) Hybrid Drive Train; Chapter 10: Design and Control Principles of Plug- In Hybrid Electric Vehicles; Chapter 16: Design of Series Hybrid Drive Train for Off-Road Vehicles, and ... architecture, control, modeling, and design of electric and hybrid electric drive trains and major components He is a member of the Society of Automotive Engineers Ali Emadi received his BS and MS in Electrical ... Perlstein Endowed chair professor of Electrical Engineering and the director of the Electric Power and Power Electronics Center and Grainger Laboratories at Illinois Institute of Technology (IIT) in...
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The optimisation of grid designs for valve-regulated lead/acid batteries for hybrid electric vehicle applications pdf
... quadratic tetrahedral elements having a maximum side length in the grid of mm and mm in the block In the first instance, an existing grid design was used for the simulation and the results were compared ... level of 18 units The results are shown in Fig where the capacity was very stable up to 27 units (430 capacity turnovers) and the cycling was being continued and in testing with an earlier group of ... additional edges and, in turn, double the number of outlying values Finally, sorting the results by Umax shows that designs with double tabs are superior and, as above, radial designs were not...
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Fuel Cell/Gas Turbine Hybrid potx
... manufacturing large SOFC and MCFC stacks, that detailed analyses and experimental investigations of hybrid systems were initiated In 1998, the US Department of Energy Of ce of Fossil Energy initiated ... Cell/Gas Turbine Hybrid Inverters and power electronics Inverters and power electronics must be designed and manufactured specifically for fuel cell hybrids with the understanding that accepting input ... for fuel cell and heat engine versus a single inverter; integration of inverter with system; effects of inverter and system architecture on power quality and reliability; inverter innovation to...
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Modern Electric , Hybrid Electric and rule cell vehicles P1 pps
... and Speed Coupling) Hybrid Drive Train; Chapter 10: Design and Control Principles of Plug- In Hybrid Electric Vehicles; Chapter 16: Design of Series Hybrid Drive Train for Off-Road Vehicles, and ... architecture, control, modeling, and design of electric and hybrid electric drive trains and major components He is a member of the Society of Automotive Engineers Ali Emadi received his BS and MS in Electrical ... Perlstein Endowed chair professor of Electrical Engineering and the director of the Electric Power and Power Electronics Center and Grainger Laboratories at Illinois Institute of Technology (IIT) in...
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Modern Electric , Hybrid Electric and rule cell vehicles P2 doc
... assist the IC engine to provide an acceptable level of performance Indeed, in the early days, IC engine engineering was less advanced than electric motor engineering The first hybrid vehicles reported ... deformation in loading and unloading (2.3) 22 Modern Electric, Hybrid Electric, and Fuel Cell Vehicles (a) (b) P F P Moving direction F Moving direction r r rd z Px z a Pz P On hard road surface On soft ... shown in Figure 1.7, the transportation sector is the primary user of petroleum, consuming 49% of the oil used in the world in 1997 The patterns of consumption of industrialized and developing...
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Analysis of transport phenomena and electrochemical reactions in a micro PEM fuel cell with nature inspired flow field design
... and stoichiometric flow ratio The inlet velocities of air and fuel are calculated according to [20]: u in ,c = ζ c I RTin ,c AMEA xO2 ,in Pc Ach 4F (39) u in ,a = ζ a I RTin ,a AMEA 2F x H ,in ... study of flooding and drying issues to the operating conditions in PEM Fuel Cells International Journal of Energy and Environment IJEE, 2010; 1(1), 1-20 [10] Maher A.R Sadiq Al-Baghdadi Optimal design ... is essential to the development and optimization of fuel cells, the introduction of cheaper materials and fabrication techniques, and the design and development of novel architectures The difficult...
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Pem fuel cell stack modeling and design of DC DC converter for fuel cell energy system
... STACK MODELING AND DESIGN OF DC/DC CONVERTER FOR FUEL CELL ENERGY SYSTEM KONG XIN (M.Eng., XJTU, P.R.China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL ... facilitate the controller design The main objective of the research is twofold: Fuel cell stack modelling DC/DC converter design The aim of the first aspect of the research is to develop a simple and accurate ... i(t))|t→∞ (3.7) Comparing Eq 3.6 and Eq 3.5 in steady state, and assuming Vo = E and R = Rh : vcl (t)|t→∞ = f (i)|t→∞ (3.8) In order to combine the empirical stack model and the electrical circuit...
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A CFD study of hygro-thermal stresses distribution in tubular-shaped ambient air-breathing PEM micro fuel cell during regular cell operation
... insight into the various transport mechanisms and their interaction, and in the possibility of performing parameters sensitivity analyses An operating fuel cell has varying local conditions of ... long-term performance, the introduction of cheaper materials and fabrication techniques, and the design and development of ISSN 2076-2895 (Print), ISSN 2076-2909 (Online) ©2010 International Energy ... from the mechanical forces and π , π are the thermal and swelling induced strains, respectively The thermal strains resulting from a change in temperature of an unconstrained isotropic volume are...
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Modeling optimizes PEM fuel cell durability using threedimensional multi-phase computational fluid dynamics model
... the result of combined chemical and mechanical effects acting together [1, 2, 5] Variations in temperature and humidity during operation cause stresses and strains (mechanical loading) in the membrane ... decreases with increasing of the cell operating pressure This is because of the exchange current density of the oxygen reduction reaction increases with increasing of the cell operating pressure ... reserved International Journal of Energy and Environment (IJEE), Volume 1, Issue 3, 2010, pp.375-398 377 temperature requires studying and modelling of the stress-strain behaviour of membranes and...
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Mechanical behaviour of PEM fuel cell catalyst layers during regular cell operation
... contribute to delaminating between the membrane and the gas diffusion layers These stresses may explain the occurrence of cracks and pinholes in the membrane under steady– state loading during regular ... migration of platinum Migration of metal catalyst particles in both the anode and cathode catalyst layers in PEM fuel cells has been observed, moving towards the interface between the catalyst layer and ... flooding and drying, at least locally [12] An operating fuel cell has varying local conditions of temperature, humidity, and power generation (and thereby heat generation) across the active area of...
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A CFD analysis on the effect of ambient conditions on the hygro-thermal stresses distribution in a planar ambient airbreathing PEM fuel cell
... dehumidification of the membrane may occur, resulting in deterioration of protonic conductivity, increasing resistive losses, and increasing MEA temperature In the extreme case of complete drying, local ... be introduced to improve long-term performance An operating air-breathing PEM fuel cell has varying local conditions of temperature and humidity As a result of in the changes in temperature and ... detailed insight into the various transport mechanisms and their interaction, and in the possibility of performing parameters sensitivity analyses ISSN 2076-2895 (Print), ISSN 2076-2909 (Online)...
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Prediction of deformation and hygro-thermal stresses distribution in PEM fuel cell vehicle using threedimensional CFD model
... applications, and the durability of fuel cell stack components remains, in most cases, insufficiently understood Lengthy required testing times, lack of understanding of most degradation mechanisms, and ... 40,000 hrs of operation whilst maintaining a tolerance to fuel impurities in the reformate feed Durability is one of the most critical remaining issues impeding successful commercialization of broad ... three critical interfaces that must remain properly intermingled for optimum MEA performance: platinum/carbon interface (for electron transport and catalyst support); platinum/Nafion interface (for...
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A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell
... area, and stoichiometric flow ratio The inlet velocities of air and fuel are calculated according to [22]: u in ,c = ζ c I RTin ,c AMEA xO2 ,in Pc Ach 4F (39) u in ,a = ζ a I RTin ,a AMEA x H ,in ... cm2 serpentine flow-fields with single channel, double channel, cyclic-single channel, and symmetric-single channel patterns to investigate the effect of flow-field design High and low inlet humidity ... all sorts of combinations of geometries and operating conditions to come up with an optimum design for the application Usually, many compromises in the operating points (cell voltages and related...
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Performance optimization of a PEM hydrogen-oxygen fuel cell
... operating point at 0.425 V and 1.258 A resulting in 0.535 W and an efficiency of 0.41 However, one may get the same power output by selecting two cells, connected in series, operating at 0.67 V and ... is the number of equivalents involved in the cathode reaction In order to have a single expression of the activation overpotential, Eqs (4) and (5) can be combined and written in a parametric ... predict the effect of different input parameters on the voltage–current characteristics of the fuel cell, without examining in depth the physical and electrochemical phenomena involved in fuel cell...
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Numerical investigation into premixed hydrogen combustion within two-stage porous media burner of 1 kW solid oxide fuel cell system
... key role in ensuring the complete conversion of the SOFC off gases during nominal operation, supplying heat during the system start up phase, and pre-heating the cathode intake air during long ... the Refining and Manufacturing Research Institute, CPC Corporation, Taiwan Dr Chen has got over 25 years of research and development experience in the refining and petrochemicals industries and ... address:chlee@iner.gov.tw Bao-Dong Chen holds a PhD degree in chemical engineering from the University of Manchester Institute of Science and Technology (UMIST), UK, in 1992 He is working as Manager of...
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