... efficiency of a solid oxide fuel cell power system, Energy & Fuels 2007, 21, 314-321 [5] Chung T D., Hong W T., Chyou Y P., Tu D D., Lin K F., Lee C H., Efficiency analyses of solid oxide fuel cell power ... afterburner, a fuel heat exchanger and an air heat exchanger As with any SOFC system, the performance of the INER SOFC system is dependent not only on the design and operating conditions of the fuel cell ... The performance of the INER-Kaori designed flat plate heat exchanger is comparable with that of a commercial product References [1] Appleby A J., Foulker F R., Fuel Cell Handbook, Van Norstand...
Ngày tải lên: 05/09/2013, 16:10
Ngày tải lên: 14/11/2014, 08:37
Numerical investigation into premixed hydrogen combustion within two-stage porous media burner of 1 kW solid oxide fuel cell system
... project of solid oxide fuel cell power generating system since 2005 His main research interests include critical heat flux, boiling heat transfer, cold neutron source, and solid oxide fuel cell E-mail ... Foulker F R., Fuel Cell Handbook, Van Norstand Reinhold, New York, 1989 [2] Stanley W A., Direct Energy Conversion, Allyn and Bacon, Inc., Boston, 1982 [3] Larminie J., Dicks A., Fuel Cell Systems ... heat and mass transfer and chemical reactions within both the porous media and the free space regions of the burner Furthermore, the fluid and solid properties depend on the temperature and concentration...
Ngày tải lên: 05/09/2013, 15:28
Effect of operating parameters on performance of an integrated biomass gasifier, solid oxide fuel cells and micro gas turbine system
... gasification/molten carbonate fuel cell power system-comparative characterzation of fuel cell and gas turbine systems J Power Sources 2004;138(1):31e40 [25] Paola C, Kaspar H Modeling of solid oxide heat exchanger ... hydrogen production and potential applications Int J Energ Res 2012;36(4):415e55 [3] Jia J, Li Q, Luo M, Wei L, Abudula A Effects of gas recycle on performance of solid oxide fuel cell power systems ... Colpan CO, Hamdullahpur F, Dincer I, Yoo Y Effect of gasification agent on the performance of solid oxide fuel cell and biomass gasification systems Int J Hydrogen Energy 2010;35(10):5001e9 [13]...
Ngày tải lên: 01/08/2016, 09:30
Effect of operating parameters on performance of an intEffect of operating parameters on performance of an integrated biomass gasifier, solid oxide fuel cells and micro gas turbine system
... match with the standard data [JCPDS (Joint committee of Powder Diffraction Studies) card no 47-1049 for Nickel Oxide, 22-0595 for Cobalt Oxide, and 22-1380 for Silico Phosphate] and no characteristic ... of 38.8% and 57.7% using Ni/ZrO2 and Ni-CeO2 catalysts Abu-El-Rub et al [41] reported lower phenol (model tar compound) conversion efficiencies of 34.5% and 42.7% using silica sand and Olivine ... power and heat from lignocellulosic biomass by gasification and methanation Energy and environmental science 5(2012).5768-5789 11 Philipp Morf, Philipp Hasler, Thomas Nussbaumer Mechanisms and...
Ngày tải lên: 01/08/2016, 09:30
singhal, s. c. (2002). high temperature solid oxide fuel cells - funda
... First Solid Electrolyte Gas Cells From Solid Electrolyte Gas Cells to Solid Oxide Fuel Cells First Detailed Investigations of Solid Oxide Fuel Cells Progressin the 1960s On the Path to Practical Solid ... Temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications ~ High Temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications Edited by: Subhash C Singhal and Kevin ... circuit Schematicofsolidoxidefuel cell (SOFC) 2 High Temperature Solid Oxide Fuel Cells: Fundamentals, Design and Apjdications This is almost magical in its elegance and simplicity, and it is astonishing...
Ngày tải lên: 18/04/2014, 12:25
Interfacial effects between the structured nanofillers and nafion matrices on the performance of h2 PEM fuel cell
... stationary and transportation uses Fuel cell includes proton exchange membrane fuel cell (PEMFC), solid oxide fuel cell (SOFC), phosphoric acid fuel cell (PAFC), alkaline fuel cell (AFC) and molten ... devices and stationary applications (Gottesfeld et al., 1997) In principle, PEMFC is classified into two subcategories according to fuel- supply: Hydrogen Fuel cell (H2-PEMFC) and fuel cell driven ... fabrication; the evaluation of material properties important to fuel cell applications such as proton conductivity and fuel cell performance; and at the same time to explore the filler-matrix interaction...
Ngày tải lên: 09/09/2015, 18:51
Prediction of deformation and hygro-thermal stresses distribution in PEM fuel cell vehicle using threedimensional CFD model
... to the development and optimization of fuel cells, improve long-term performance and lifetime, the introduction of cheaper materials and fabrication techniques, and the design and development of ... durability in a PEM fuel cell studied using PVDF based radiation grafted membranes fuel cells Fuel Cells 2003; 3(1-2): 21-27 Maher A.R Sadiq Al-Baghdadi Mechanical behaviour of PEM fuel cell catalyst ... exchange membranes used in fuel cells is a major factor in the operating lifetime of fuel cell systems The Membrane-Electrode-Assembly (MEA) is the core component of PEM fuel cell and consists of membrane...
Ngày tải lên: 05/09/2013, 14:58
A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell
... in PEM fuel cell design is a tubular-shaped fuel cell Fuel cell companies and research institutes may have carried out various systematic experimental studies for this type of the fuel cell, for ... which has a detrimental effect of the fuel cell performance This model is used to analyse and evaluate the performance of a planar and a tubular-shaped PEM fuel cell 2.1 Computational domain The ... to the development and optimization of fuel cells, improve long-term performance and lifetime, the introduction of cheaper materials and fabrication techniques, and the design and development of...
Ngày tải lên: 05/09/2013, 14:58
Performance optimization of a PEM hydrogen-oxygen fuel cell
... discharge current In order to improve fuel cell performances, it is essential to understand these parametric effects on fuel cell operations To understand and improve the performance of PEMFCs, researchers ... the cell They only correlate output with input Semi-empirical models are very useful for estimating the performance of PEM fuel cell stacks and optimization of fuel cell system integration and ... 2003;113(1):131-144 [17] M R von Spakovsky, and B Olsommer, Fuel cell systems and system modeling and analysis perspectives for fuel cell development Energy Conversion and Management 2002;43(9-12):12491257...
Ngày tải lên: 05/09/2013, 14:58
modern electric hybrid electric and fuel cell vehicles
... Exchange Membrane Fuel Cells 14.5.2 Alkaline Fuel Cells 14.5.3 Phosphoric Acid Fuel Cells 14.5.4 Molten Carbonate Fuel Cells 14.5.5 Solid Oxide Fuel Cells ... Principles of Fuel Cells 14.2 Electrode Potential and Current–Voltage Curve 14.3 Fuel and Oxidant Consumption 14.4 Fuel Cell System Characteristics 14.5 Fuel Cell Technologies ... different fuel cell systems are described, with a focus on their operating principles and characteristics, various technologies, and their fuels Specifically, vehicle applications of fuel cells are...
Ngày tải lên: 06/05/2014, 11:35
Modern electric, Hybird Electric and Fuel cell Vehicles pot
... Exchange Membrane Fuel Cells 14.5.2 Alkaline Fuel Cells 14.5.3 Phosphoric Acid Fuel Cells 14.5.4 Molten Carbonate Fuel Cells 14.5.5 Solid Oxide Fuel Cells ... Principles of Fuel Cells 14.2 Electrode Potential and Current–Voltage Curve 14.3 Fuel and Oxidant Consumption 14.4 Fuel Cell System Characteristics 14.5 Fuel Cell Technologies ... different fuel cell systems are described, with a focus on their operating principles and characteristics, various technologies, and their fuels Specifically, vehicle applications of fuel cells are...
Ngày tải lên: 27/06/2014, 01:21
Báo cáo y học: "Inhaled nitric oxide reverses cell-free hemoglobin-induced pulmonary hypertension and decreased lung compliance. Preliminary result" ppt
... compliance and airway resistance, and the response of these parameters to inhaled NO Our preliminary results demonstrated that cell- free hemoglobin-induced pulmonary hypertension and decreased ... recording of heart rate, systemic and pulmonary arterial pressures, and waveforms Blood samples and methemoglobin levels were analyzed by a pH/Blood Gas Analyzer 1303 and CO-Oximeter 482 (Instrumentation ... technique and is presented as cardiac index determined using calculated body surface area Systemic and pulmonary vascular resistance indices (SVRI and PVRI, respectively) were calculated using standard...
Ngày tải lên: 12/08/2014, 18:20
Analysis of transport phenomena and electrochemical reactions in a micro PEM fuel cell with nature inspired flow field design
... the development and optimization of micro fuel cells, improve long-term performance and lifetime, the introduction of cheaper materials and fabrication techniques, and the design and development ... an optimum fuel cell performance, and in order to avoid large temperature gradients inside the fuel cell, it is desirable to achieve a uniform current density distribution inside the cell ISSN ... governing fuel cell behavior Models that include all parts of a fuel cell are typically two- or three-dimensional and reflect many of the physical processes occurring within the fuel cell [6–16]...
Ngày tải lên: 09/09/2015, 10:17
Experimental and theoretical study of low cost PEM fuel cell catalysts
... environmental impacts Fuel cells are usually categorized by the type of electrolyte used For example fuel cells that use a solid oxide material as the electrolyte are called solid oxide fuel cells (SOFC) ... cell setup 16 Figure 1.3 Nyquist plots and equivalent models for (a) purely capacitive cell, (b) simplified Randles cell and (c) Randles cell 18 Figure 2.1 Construction of a single cell ... structure of a PEM fuel cell 39 2.2 Design and synthesis of fuel cell catalysts 40 2.2.1 Design of fuel cell catalyst at microscale level 40 2.2.2 Design of fuel cell catalyst...
Ngày tải lên: 10/09/2015, 09:10
Modeling of transport phenomena in polymer electrolyte fuel cell stacks thermal, water, and gas management
... τψπιχαλ ΠΕΦΧ σψστεµ [42] 14 1.4 Πολψµερ ελεχτρολψτε φυελ χελλ 15 = 1.229 V 1.2 ∼ 0.95 - 1.05 V E cell /V ∆G/(2F) OCV η act 0.8 η 0.6 η ohm conc 0.4 0.2 0 2000 4000 i ave 6000 8000 -2 /Am 10000...
Ngày tải lên: 11/09/2015, 10:02
Pem fuel cell stack modeling and design of DC DC converter for fuel cell energy system
... fuel cells can be divided into five types: PAFC (Phosphoric Acid Fuel Cell) , AFC (Alkaline Fuel Cell) , PEMFC (Proton Exchange Membrane Fuel Cell) , MCFC (Molten Carbonate Fuel Cell) and SOFC (Solid ... describe the fuel cell characteristics, fuel cell model seems to be an effective way to simulate the fuel cell behavior Based on different fuel cell operating modes, different fuel cell behavior ... survey of fuel cell modelling Advantages and disadvantages of different fuel cell modelling techniques are briefly summarized Analytical fuel cell models [7] [8] [9] and empirical fuel cell models...
Ngày tải lên: 14/09/2015, 14:09
Classification procedure of the explosion risk areas in presence of hydrogenrich syngas: Biomass gasifier and molten carbonate fuel cell integrated plant
... biomass gasification and molten fuel cell power system Energy Convers Manage 1998;39:1931–43 [3] McIlveen-Wright DR, Williams BC, McMullan JT Wood gasification integrated with fuel cells Renew Energy ... because of the high temperature of the stack and a greater amount of H2, flowing into the fuel cell, is available for the following anodic reaction Safety standards for explosive atmosphere risk analysis ... have since been replaced over the last years by regional European Directives and Standards, and in the field of standardization they have partially been replaced by international regulations 1.1...
Ngày tải lên: 01/08/2016, 09:32
Thermodynamic modeling and evaluation of high efficiency heat pipe integrated biomass GasifiereSolid Oxide Fuel CellseGas Turbine systems
... solid oxide fuel cell gas turbine systems operating with various biofuels Fuel Cells 2012;12(6):1115e28 [10] Fryda L, Panopoulos KD, Karl J, Kakaras E Exergetic analysis of solid oxide fuel cell ... gasification and SOFC In: Eighth European solid oxide fuel cell forum, Luzerne, Switzerland; 2008 [7] Baldinelli A, Barelli L, Bidini G Performance characterization and modelling of syngas-fed SOFCs (solid ... Combined solid oxide fuel cell and gas turbine systems for efficient power and heat generation J Power Sources 2000;86:442e8 [49] Rao AD, Samuelsen GS A thermodynamic analysis of tubular solid oxide fuel...
Ngày tải lên: 02/08/2016, 09:35
A CFD study of hygro-thermal stresses distribution in tubular-shaped ambient air-breathing PEM micro fuel cell during regular cell operation
... in PEM fuel cell design is a tubular-shaped fuel cell Fuel cell companies and research institutes may have carried out various systematic experimental studies for this type of the fuel cell, for ... air-breathing PEM micro fuel cell that incorporates the significant physical processes and the key parameters affecting fuel cell performance The following assumptions are made: (i.) the fuel cell operates ... air-breathing PEM micro fuel cell has been developed and used to investigate the displacement, deformation, and stresses inside the cell during the cell operation under real cell operating conditions...
Ngày tải lên: 05/09/2013, 14:58