Reduced Modelling of Planar Fuel Cells: Spatial Smoothing by Zhongjie He, Hua Li, Karl Erik Birgersson

By Zhongjie He, Hua Li, Karl Erik Birgersson

This ebook makes a speciality of novel decreased mobilephone and stack types for proton trade membrane gasoline cells (PEMFCs) and planar strong oxide gasoline cells (P-SOFCs) that serve to minimize the computational rate by means of orders of value or extra with wanted numerical accuracy, whereas shooting either the typical houses and the variety of the established variables within the 3D opposite numbers. the data supplied is additionally utilized to different kinds of plate-type gas cells whose circulation fields include parallel simple channels separated by way of sturdy ribs.

those quickly and effective types permit statistical sensitivity research for a pattern dimension within the order of one thousand with out prohibitive computational fee to be played to enquire not just the person, but in addition the simultaneous results of a bunch of various geometrical, fabric, and operational parameters. this gives vital details for cell/stack layout, and to demonstrate this, Monte Carlo simulation of the lowered P-SOFC version is carried out at either the single-cell and stack levels.

Show description

Read Online or Download Reduced Modelling of Planar Fuel Cells: Spatial Smoothing and Asymptotic Reduction PDF

Similar environmental economics books

Long-Life Surfaces for Busy Roads

Desk of content material :ForewordAcknowledgementsAbstractKey MessagesExecutive Summary1. historical past Report2. Key Findings of part I Study3. Mandate, Scope, and organization of the Work4. Epoxy Asphalt: checking out and try out Results5. excessive functionality Cementitious fabric: trying out and try out Results6. functionality overview and Extrapolation of Results7.

Green Economics: An Introduction to Theory, Policy and Practice

Evaluation 'An first-class creation to a speedily constructing department of political economics . .. the scope for debate is among the issues that makes this pioneering booklet so intriguing. ' Richard Douthwaite, Feasta, the basis for the Economics of Sustainability 'Ground-breaking . .. i believe her e-book is insightful, and includes many extraordinary coverage rules' John-Paul Flintoff, The Sunday instances 'Here is a ebook and is the reason in transparent phrases the industrial paradigm for the twenty first Century.

The Economics and Management of Water and Drainage in Agriculture

Jan van Schilfgaarde, USDA Agricultural learn carrier and nationwide study Council Committee on Irrigation-Induced Water caliber difficulties In 1982, a startling discovery used to be made. Many waterbirds in Kesterson nationwide flora and fauna safe haven have been demise or pain reproductive failure. situated within the San Joaquin Valley (Valley) of California, the Kesterson Reservoir (Kesterson) was once used to shop agricultural drainage water and it used to be quickly decided that the possible explanation for the wear to natural world was once excessive concen­ trations of selenium, derived from the water and water organisms within the reservoir.

Additional info for Reduced Modelling of Planar Fuel Cells: Spatial Smoothing and Asymptotic Reduction

Sample text

J Power Sources 79(2):184–198 94. Chang PAC, St-Pierre J, Stumper J, Wetton B (2006) Flow distribution in proton exchange membrane fuel cell stacks. J Power Sources 162(1):340–355 95. Chen C-H, Jung S-P, Yen S-C (2007) Flow distribution in the manifold of PEM fuel cell stack. J Power Sources 173(1):249–263 96. Kulikovsky AA (2006) Model of a direct methanol fuel cell stack. J Electrochem Soc 153 (9):A1672–A1677 97. Kulikovsky AA (2008) Optimal temperature for DMFC stack operation. Electrochim Acta 53(22):6391–6396 98.

A detailed description of every pore is not practical. In order to obtain the governing equations of the mass, momentum, and energy transport in porous media, a common approach, called the volume-averaging method [45], is implemented by taking an average of the governing equations originally describing the fluid in free flow fields over a representative elementary volume, whose length scale is considerably smaller than that of the macroscopic flow domain, but large enough to incorporate sufficient solid and void elements for an accurate average description [1, 45, 46].

J Power Sources 93(1–2): 130–140 109. Larminie J, Dicks A (2003) Fuel cell systems explained, 2nd edn. John Wiley, New York 110. Hung LC (2010) Development of Reduced Models for Proton Exchange Membrane Fuel Cells, in Department of Chemical and Biomolecular Engineering. National University of Singapore, Singapore 111. Husain I (2011) Electric and hybrid vehicles: design fundamentals, 2nd edn. 1 Introduction The fuel cell performance is studied both experimentally and computationally in literature.

Download PDF sample

Rated 4.75 of 5 – based on 20 votes