Details of Grant 

EPSRC Reference:	GR/S76236/01
Title:	An Extraordinary Method of Directly Measuring Partial Molar Volumes in Gas Mixtures
Principal Investigator:	Cumming, Dr IW
Other Investigators:	Hellgardt, Professor K
Researcher Co-Investigators:
Project Partners:
Department:	Chemical Engineering
Organisation:	Loughborough University
Scheme:	Standard Research (Pre-FEC)
Starts:	19 July 2004	Ends:	18 July 2007	Value (£):	263,603
EPSRC Research Topic Classifications:	Instrumentation Eng. & Dev.
EPSRC Industrial Sector Classifications:	No relevance to Underpinning Sectors
Related Grants:
Panel History:
Summary on Grant Application Form
A new technique of measuring very small differences between the volumetric flows of two gas streams has been developed. This makes possible the measurement of the very small change in volumetric flow that result when two streams of gas mix together. This volumetric flow rate change only occurs if the gas mixture is non ideal. By mixing a small stream of perturbation gas into a large main flow of a gas mixture the method can be made differential. Mathematical analysis of the technique shows that the difference between the partial molar volume and the molar volume can be measured directly. Partial molar volumes are fundamental thermophysical properties which predictive computer models have to match. Consequently they provide a test of models as well as a measure of molecular interactions.
Key Findings
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Potential use in non-academic contexts
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Further Information:
Organisation Website:	http://www.lboro.ac.uk