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Details of Grant 

EPSRC Reference: GR/N20676/01
Title: KINETICS OF BREAK DOWN OF DISPERSIONS IN MULTIPHASE FLOWS IN PIPES AND FITTINGS
Principal Investigator: Zimmerman, Professor W
Other Investigators:
Priestman, Dr GH
Researcher Co-Investigators:
Project Partners:
Advanced Research Partnership
Department: Chemical & Biological Engineering
Organisation: University of Sheffield
Scheme: LINK
Starts: 01 January 2001 Ends: 31 December 2002 Value (£): 97,346
EPSRC Research Topic Classifications:
Multiphase Flow Oil & Gas Extraction
Separation Processes
EPSRC Industrial Sector Classifications:
Energy Chemicals
Related Grants:
Panel History:  
Summary on Grant Application Form
Process intensification of oil-water-gas separations on offshore platforms will necessitate downsizing or removal of big separations vessels. As unit operations achieving the same separation are smaller, proportionately larger processing time is spent in pipelines. Consequently, the effect of pipelines and fittings on the state of multiphase flow is of fundamental importance. Certainly pipelines and fittings must be designed too minimise re-dispersion effects, and even contribute to separation if well integrated. Although some aspects of the effects of pipes and fittings are know from experiment, there is insufficient knowledge for use as a design tool. Specifically, the effects on coalescence of adverse local pressure gradients (expansions), inclination and swirling flow (cyclonic devices) are unstudied. This project gathers experimental, computational and modelling expertise from three leading centres on multiphase flow and pipe systems for a concerted programme to establish design tools and guidelines for the kinetics of coalescence.The project will develop macroscale CFD simulations and microscale sub-grid models based on molecular dynamics-like simulations. These models will be validated by extensive experimental databases gathered on kinetics of dispersion break down and coalescence on a large scale multiphase flow rigs (with and without solids loading) and separately in a small scale high-gee cell.
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Further Information:  
Organisation Website: http://www.shef.ac.uk