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Details of Grant 

EPSRC Reference: GR/K10416/01
Title: VALIDATION OF THE USE OF AIR-WATER FOR SIMULATING BUBBLY VAPOUR-LIQUID FLOWS
Principal Investigator: Smith, Professor JM
Other Investigators:
Müller-Steinhagen, Prof Dr H
Researcher Co-Investigators:
Project Partners:
Department: Chemical & Process Engineering
Organisation: University of Surrey
Scheme: Standard Research (Pre-FEC)
Starts: 17 October 1994 Ends: 16 July 1998 Value (£): 254,669
EPSRC Research Topic Classifications:
Multiphase Flow
EPSRC Industrial Sector Classifications:
Chemicals Food and Drink
Pharmaceuticals and Biotechnology Energy
Related Grants:
Panel History:  
Summary on Grant Application Form
This project will compare bubbly flows of air/water and steam/water of similar void fraction. Theoretical analysis and experimental observation indicate that there are considerable difference in the dynamic response to pressure gradients in bubbly conditions which may profoundly affect drag coefficients and pressure losses in process equipment. The research will provide quantitative comparisons of drag coefficients and pipeline pressure drops for these different classes of two phase flow. This validation is urgently needed in view of the widespread use of low temperature simulations for vapour liquid process conditions. The experimental programme will use a two phase loop in which flow and pressure changes can be studied in chosen geometries. Detailed information on local voidage changes within the flowing system are expected to provide the key to the fundamental analysis and the probability of successful quantitative application of the results.
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Further Information:  
Organisation Website: http://www.surrey.ac.uk