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Characterization an...
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Ganji, Hamed F.Department of Mechanical Engineering, Eindhoven University of Technology, the Netherlands
(författare)
Characterization and identification of thermoacoustic behavior of flames anchored on burner decks with multiple perforations; Transfer Function (de)composition approach
- Artikel/kapitelEngelska2022
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The Institute of Noise Control Engineering of the USA, Inc.2022
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LIBRIS-ID:oai:DiVA.org:kth-332941
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-332941URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:kon swepub-publicationtype
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Part of ISBN 9781906913427QC 20230724
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The appearance of thermoacoustic instability in combustion systems depends on thermoacoustic property (e.g., Transfer Function (TF)) of used burner/flame. Therefore, an attractive approach to cope with the instability is the purposeful design of the burner thermoacoustics. One of the ideas of how the flame TF can be altered/designed is based on the heuristic idea that the acoustic response of one flame can be counteracted by the appropriately phased response of another flame. For the particular case of premixed, burner deck anchored conical flames, the TF depends on the diameter of perforation. It suggests the concept of combining different size and shape of perforations in one burner deck. In the present work, the acoustic response of sintered ceramic fibre burners with mixed perforation is investigated using the TF (de)composition principle. By this approach, the cumulative flame TF can be represented as a weighted sum of elemental TF's of the groups of flames on the basis of the additive nature of the individual flame heat release rate. The capability of this principle to offer a designing framework for optimization of burner deck patterns aiming desirable acoustic characteristics will be tested by a course of measurements. Possible simplifications and extensions of the TF (de)composition principle will be discussed.
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Kornilov, ViktorDepartment of Mechanical Engineering, Eindhoven University of Technology, the Netherlands
(författare)
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van Oijen, JeroenDepartment of Mechanical Engineering, Eindhoven University of Technology, the Netherlands
(författare)
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Lopez Arteaga, InesKTH,Strömningsmekanik och Teknisk Akustik,Department of Mechanical Engineering, Eindhoven University of Technology, the Netherlands(Swepub:kth)u1gy0h8d
(författare)
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Department of Mechanical Engineering, Eindhoven University of Technology, the NetherlandsStrömningsmekanik och Teknisk Akustik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Internoise 2022 - 51st International Congress and Exposition on Noise Control Engineering: The Institute of Noise Control Engineering of the USA, Inc.
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