Role of P97 in non-transferrin bound iron uptake by rabbit reticulocytes

2000-2001 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishe

A 5-step reduced mechanism for combustion of CO/H 2/H 2O/CH 4/CO 2 mixtures with low hydrogen/methane and high H 2O content

In this study a 5-step reduced chemical kinetic mechanism involving 9 species is developed for combustion of Blast Furnace Gas (BFG), a multi-component fuel containing CO/H2/CH4/CO2, typically with low hydrogen, methane and high water fractions, for conditions relevant for stationary gas-turbine combustion. This reduced mechanism is obtained from a 49-reaction skeletal mechanism which is a modified subset of GRI Mech 3.0. These skeletal and reduced mechanisms are validated for laminar flame speeds, ignition delay times and flame structure with available experimental data, and using computational results with a comprehensive set of elementary reactions. Overall, both the skeletal and reduced mechanisms show a very good agreement over a wide range of pressure, reactant temperature and fuel mixture composition.ZMN and NS acknowledges the funding through the Low Carbon Energy University Alliance Programme supported by Tsinghua University, China. ZMN also likes to acknowledge the educational grant through the A.G. Leventis Foundation.This is the accepted manuscript. The final version's available from Elsevier at http://www.sciencedirect.com/science/article/pii/S0010218012002714

Evaluation of a reduced mechanism for turbulent premixed combustion

In this study, 3D direct numerical simulations of a multi-component fuel consisting of CO,H2,H2O,CO2 and CH4 reacting with air are performed. A freely propagating turbulent premixed stoichiometric flame is simulated for both low and high turbulence conditions i.e., the rms values of turbulent velocity fluctuations normalised by the laminar flame speed are of order 1 and 10. A skeletal mechanism involving 49 reactions and 15 species, and a 5-step reduced mechanism with 9 species, are used in order to evaluate the performance of the reduced mechanism under turbulent conditions. The 5-step mechanism incurs significantly lower computational expenses compared to the skeletal mechanism. The majority of species mean mass fractions and mean reaction rates computed using these two mechanisms are in good agreement with one another. The mean progress variable and heat release rate variations across the flame brush are also recovered by the reduced mechanism. No major differences are observed in flame response to curvature or strain effects induced by turbulence, although some differences are observed in instantaneous flame structure. These differences are studied using a correlation coefficient and detailed analysis suggests that this comes from the fluctuating heat release induced effects in the case with higher turbulence level. Further considerations based on instantaneous reaction rate and local displacement speed are discussed to evaluate the suitability of the reduced mechanism.Z.M.N. and N.S. acknowledges the funding through the Low Carbon Energy University Alliance Programme supported by Tsinghua University, China. Z.M.N. and N.S. acknowledge Prof. R.S. Cant for use of his DNS code SENGA2 which made these simulations possible. Z.M.N. acknowledges the educational grant through the A.G. Leventis Foundation. This work made use of the facilities of HECToR, the UK’s national high-performance computing service, which is provided by UoE HPCx Ltd at the University of Edinburgh, Cray Inc and NAG Ltd, and funded by the Office of Science and Technology through EPSRC’s High End Computing Programme.This is the published version. It first appeared at http://www.sciencedirect.com/science/article/pii/S0010218014001916#

Ormosils-PVA BOD sensing film based on oxygen luminescence quenching

2003-2004 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishe

心脏铁代谢及其相关疾病研究进展

2001-2002 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishe

Invariant, super and quasi-martingale functions of a Markov process

We identify the linear space spanned by the real-valued excessive functions of a Markov process with the set of those functions which are quasimartingales when we compose them with the process. Applications to semi-Dirichlet forms are given. We provide a unifying result which clarifies the relations between harmonic, co-harmonic, invariant, co-invariant, martingale and co-martingale functions, showing that in the conservative case they are all the same. Finally, using the co-excessive functions, we present a two-step approach to the existence of invariant probability measures

Effect of iron loading on isolated rat myocardium

2002-2003 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishe

Hydrogen peroxide augments the injury effect of iron on the isolated rat heart and cardiomyocytes

2000-2001 > Academic research: refereed > Publication in refereed journalVersion of RecordPublishe

Ultrasound palpation sensor for tissue thickness and elasticity measurement - assessment of transverse carpal ligament

Author name used in this publication: Y. P. ZhengAuthor name used in this publication: A. P. C. ChoiAuthor name used in this publication: M. H. LuAuthor name used in this publication: X. ChenAuthor name used in this publication: Q. H. Huang2006-2007 > Academic research: refereed > Publication in refereed journalAccepted ManuscriptPublishe

Emerging tobacco hazards in China (multiple letters) [3]

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