Details of Grant 

EPSRC Reference:	GR/K05610/01
Title:	MICROELECTRICAL RESISTANCE IMAGING OF FLOWING COLLOIDAL DISPERSIONS
Principal Investigator:	Williams, Professor RA
Other Investigators:	Luke, Mr S Dickin, Dr F
Researcher Co-Investigators:
Project Partners:	BP
Department:	Unknown
Organisation:	University of Exeter
Scheme:	Standard Research (Pre-FEC)
Starts:	01 December 1994	Ends:	30 April 1997	Value (£):	77,062
EPSRC Research Topic Classifications:	Complex fluids & soft solids Intelligent Measurement Sys.
EPSRC Industrial Sector Classifications:	Manufacturing Chemicals Pharmaceuticals and Biotechnology
Related Grants:
Panel History:
Summary on Grant Application Form
The homogeneity of oil-in-water dispersions flowing in narrow tubes will be measured and modelled using a miniaturised 16-electrode on-line resistance imaging sensor. Sensor operation will be optimised based on physical electrical field simulation models and experimental measurements. Stacked time-sequenced images of individual dispersed and coalesced droplets (10 100um) will be obtained for an Orimulsion system, as a function of flow rate, formulation procedures and dispersed phase volume fraction. The homogeneity of the emulsion will be quantified using a mixing index calculated from the pixel-to-pixel values of conductivity in the image. The use of such a sensor to characterise and optimise the manufacture of emulsions would represent a radical improvement on current procedures.
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Organisation Website:	http://www.ex.ac.uk