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Details of Grant 

EPSRC Reference: GR/S95633/01
Title: Tracking particle deposition in the turbulent human airway
Principal Investigator: Luo, Professor X
Other Investigators:
Nicolleau, Dr F
Researcher Co-Investigators:
Project Partners:
University of Sheffield
Department: School of Mathematics & Statistics
Organisation: University of Glasgow
Scheme: Standard Research (Pre-FEC)
Starts: 01 March 2005 Ends: 29 February 2008 Value (£): 149,957
EPSRC Research Topic Classifications:
Medical science & disease
EPSRC Industrial Sector Classifications:
Healthcare
Related Grants:
Panel History:  
Summary on Grant Application Form
The understanding and quantative assessment of local air flow fields and micron-particle deposition distribution in tracheo-broncial airways are highly important for estimating the effects of certain inhaled pollutants, and the efficiency of the delivery of aerosol drugs, such as those used to treat airway inflammation in asthma. Although advanced imaging as well as computational modelling techniques have been employed to obtain deposition patterns in the upper airways, almost none of these modellings have considered the important influences of the turbulent flow on particle depositions, due to the difficulties of modelling turbulence as well as particle tracking in the turbulent flow. This project is to evaluate influences of turbulent flow on particle depositions in a simple airway model. This will be achieved by employing the two most advanced numerical techniques: LES and KS. The former can successfully simulate the turbulent flow on the larger scales, which is what is needed by KS for the particle tracking. The combination of these two CFD techniques provided a novel approach to the challenging problem at hand, and promises fruitful results. The outcome of the work is likely to have a big impact on drug industry and clinical sector.
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