Details of Grant 

EPSRC Reference:	GR/R74468/01
Title:	A Theoretical Investigation of Flow Boiling in Capillaries.
Principal Investigator:	Wilson, Professor SK
Other Investigators:	Cui, Professor ZF Kenning, Professor DBR
Researcher Co-Investigators:
Project Partners:
Department:	Mathematics and Statistics
Organisation:	University of Strathclyde
Scheme:	Standard Research (Pre-FEC)
Starts:	01 September 2002	Ends:	31 August 2005	Value (£):	137,414
EPSRC Research Topic Classifications:	Heat & Mass Transfer Multiphase Flow
EPSRC Industrial Sector Classifications:	Chemicals No relevance to Underpinning Sectors
Related Grants:
Panel History:
Summary on Grant Application Form
The boiling of liquids in channels with cross-sectional dimensions of a few mm to tens of mm is used to generate vapour in large power and refrigeration systems, and to cool systems such as chemical reactors in which there is intensive heat generation. Within certain practical limits, flow boiling can remove heat at very high rates without large changes in temperature. This makes it of potential interest for cooling microsystems such as electronic components and chemical microreactors. These applications require channels with much smaller dimensions; this is also a route to process intensification because many small channels in parallel increase the surface area for heat transfer per unit volume of a system. The recent experimental investigations have revealed that many of the conventional concepts familiar from flow in large channels do not apply to small channels. The present proposal seeks to elucidate the interplay between the fundamental physical mechanisms at work in small channels by developing and analysing new mathematical models of confined vapour bubbles in the presence of significant heat and mass transfer effects relevant to flow boiling in capillaries. The PI's earlier work will provide the basis for developing more realistic models that can be matched to experimental data. A companion application describes a parallel programme of experimental and numerical studies to be undertaken in Oxford.
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Organisation Website:	http://www.strath.ac.uk