New developments in assessing fluid flows
Over the last twenty years, a number of techniques have been explored to enable clear imaging of fluid flows, with the most advantageous being those that are non-intrusive. To date, one of the most important techniques has been particle image velocimetry (PIV). However, there is a major disadvantage with using PIV because considerable off-line processing is necessary to deconvolve the double image into a velocimetry field and three-dimensional information is difficult to retrieve. In order to improve this technique, researchers in the Department of Engineering Science at Oxford University have developed the Doppler Global Velocimetry (DGV) technique that enables three-dimensional imaging of fast fluid flows in both an efficient and reliable manner. The system is being developed with a number of significant modifications to specifically increase the reliability and accuracy of the measurements. In particular only one camera shot is now necessary, data processing is much easier, the imaging optics do not need to be as rigorous and three-dimensional information is more readily available. The system has already been used successfully for a number of applications, including the imaging of gas flows in applications similar to those over gas turbine blades and in gas jets. Isis Innovation, Oxford Universitys technology transfer company, still has opportunities available for companies interested in utilising this system in other applications.,Isis Innovation Ltd, Oxford Universitys wholly-owned technology transfer company established in 1988, is a world leader in university technology transfer. Isis currently files a patent a week and spins-out a company every two months based on academic research generated within and owned by the University. The combined value of Oxfords companies has reached #2 billion, using quoted market capitalisations and investor valuations for unquoted companies. The creation of these new spin-out companies benefits local economic development and has created many new jobs in the region. Reference URL : http://www.isis-innovation.com/licensing/88.html(si apre in una nuova finestra)
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