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Combined numerical and experimental investigation of the cavitation erosion processWang, Jian, strojnik ...We are comparing results of numerical simulations against high speed simultaneous observations of cavitation and cavitation erosion. We performed fully compressible, cavitating flow simulations to ... resolve the formation of the shock waves at cloud collapse % these are believed to be directly related to the formation of the damage. Good agreements were noticed between calculations and tests. Two high pressure peaks were found during one cavitation cycle. One relates to the cavitation collapse and the other one corresponds to the cavitation shed off, both contributing to a distinctive stepwise erosion damage growth pattern. Additional, more precise, simulations with much shorter time step were performed to investigate the processes of cavitation collapse and shedding off in more detail. There the importance of small cavitation structures which collapse independently of the main cloud was found. The present work shows a great potential for future development of techniques for accurate predictions of cavitation erosion by numerical means only.Source: Journal of fluids engineering : Transactions of the ASME. - ISSN 0098-2202 (Vol. 137, iss. 5, May 2015, str. 1-9)Type of material - article, component partPublish date - 2015Language - englishCOBISS.SI-ID - 13879067
Author
Wang, Jian, strojnik |
Petkovšek, Martin |
Liu, Houlin |
Širok, Brane |
Dular, Matevž
Topics
simulations |
cavitation erosion |
cavitation |
collapse |
damage |
cycles |
erosion |
flow simulation |
high pressure |
computer simulations |
kavitacija |
erozija |
simulacije
source: Journal of fluids engineering : Transactions of the ASME. - ISSN 0098-2202 (Vol. 137, iss. 5, May 2015, str. 1-9)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Wang, Jian, strojnik | |
Petkovšek, Martin | 35069 |
Liu, Houlin | |
Širok, Brane | 09286 |
Dular, Matevž | 23471 |
Source: Personal bibliographies
and: SICRIS
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