http://www.cnr.it/ontology/cnr/individuo/prodotto/ID87261
POD-based analysis of combustion images in optically accessible engines (Contributo in atti di convegno)
- Type
- Label
- POD-based analysis of combustion images in optically accessible engines (Contributo in atti di convegno) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Alternative label
Bizon K. 1, Continillo G. 2, Mancaruso E. 3, Merola S.S. 3, Vaglieco B.M. 3 (2008)
POD-based analysis of combustion images in optically accessible engines
in 21st International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems - ECOS 2008, Cracow-Gliwice (Poland)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Bizon K. 1, Continillo G. 2, Mancaruso E. 3, Merola S.S. 3, Vaglieco B.M. 3 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
- pp. 533-540 (ISBN 978-83-922381-4-0) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#descrizioneSinteticaDelProdotto
- This paper reports on 2D measurements of combustion-related
luminosity taken in optically accessible engines. Proper Orthogonal Decomposition
(POD) is conducted on the recorded data. POD is applied first to the low-order
reconstruction of acquired images, then to the interpolation of missing image
frames, then finally to the analysis of cycle variability. In the spark ignition engine,
images are collected and POD coupled with interpolation to reconstruct
information in between consecutive measurements. Next, dynamic in-cylinder
pressure data collected together with images are compared to those of a base cycle
and the differences are used to weight the snapshots collected over different
cycles: By this means, pseudo-cycle-resolved image sequences can be obtained. In
the Diesel engine, cycle-to-cycle variations are observed by analysing images of
the combustion process. The method is used to separate the mean from the coherent
and the incoherent part of the fluctuation of the luminosity field, in a non-truncated
representation of the data. The statistical analysis may be run on a small number of
scalar coefficients rather than on the full data set of pixel-valued luminosity. (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1) Istituto di Ricerche sulla Combustione, CNR, Napoli, Italy; 2) Università del Sannio, Benevento, Italy; 3) Istituto Motori, CNR, Naples, Italy. (literal)
- Titolo
- POD-based analysis of combustion images in optically accessible engines (literal)
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