| EPSRC Reference: |
GR/R60027/01 |
| Title: |
Theoretical Investigation of Autoignition Phenomena in Turbulent Flows |
| Principal Investigator: |
Mastorakos, Professor E |
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| Department: |
Engineering |
| Organisation: |
University of Cambridge |
| Scheme: |
Fast Stream |
| Starts: |
01 November 2001 |
Ends: |
30 April 2004 |
Value (£): |
62,462
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| EPSRC Research Topic Classifications: |
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| EPSRC Industrial Sector Classifications: |
| Aerospace, Defence and Marine |
Transport Systems and Vehicles |
| No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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The aim of the work is to understand the effects of turbulence on the autoignition of hydrocarbon fuels in turbulent, initially non-premixed flows. Such flows occur in lean, premixed, prevaporized gas turbines and in compression-ignition engines, not only in the context of traditional diesel engines, but also in the novel HCCI engines currently under development worldwide. Capability to predict accurately the ignition delay time in the presence of mixture in homogeneities, walls, and turbulence would facilitate the development of all these low-emission, energy-efficient devices. The proposed research consists of two parts. In the first, 2-D Direct Numerical Simulations with reduced chemistry, appropriate for autoignition of hydrocarbon fuels, will be performed for a variety of mixing fields and turbulence intensities to enhance our understanding and to create a database for model validation. The second part involves the development of a model based on Conditional Moment Closure at second-order, which can describe accurately the effects of fluctuations of mixing rate on the ignition process. The model and the code for its numerical solution will be created in view of future incorporation into industry-standard CFD packages, which can then be used for design purposes.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.cam.ac.uk |