Experimental and Numerical Study of Cavitation Number Limitations for Hydrodynamic Cavitation Inception Prediction
Hydrodynamic cavitation is the formation, growth and subsequent collapse of vapor bubbles in a moving liquid. It is extremely important to determine conditions of cavitation inception and when it starts damaging industrial equipment. In some cases, such as hydrodynamic cleaning it is important to un...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-06-01
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| Series: | Fluids |
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| Online Access: | https://www.mdpi.com/2311-5521/7/6/198 |
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| author | Maxim Omelyanyuk Alexey Ukolov Irina Pakhlyan Nikolay Bukharin Mouhammad El Hassan |
| author_facet | Maxim Omelyanyuk Alexey Ukolov Irina Pakhlyan Nikolay Bukharin Mouhammad El Hassan |
| author_sort | Maxim Omelyanyuk |
| collection | DOAJ |
| description | Hydrodynamic cavitation is the formation, growth and subsequent collapse of vapor bubbles in a moving liquid. It is extremely important to determine conditions of cavitation inception and when it starts damaging industrial equipment. In some cases, such as hydrodynamic cleaning it is important to understand how to improve the cavitation phenomenon in order to enhance cleaning properties. The cavitation number is a parameter used to predict cavitation and its potential effects. In this paper we discuss limitations of this parameter and demonstrate that it cannot be considered sufficient to predict cavitation inception and development in the fluid flow. The experimental setup was designed and built to study cavitation inception in various nozzles. RANS SST k–ω turbulence model was used in this study to model turbulent flow in ANSYS Fluent. CFD calculations were compared to experimental results. It was shown that cavitation inception was sensitive to change in nozzle geometry and, since geometrical parameters are not included in cavitation number formula, scenarios of cavitation inception can be different at the same cavitation number. |
| first_indexed | 2024-03-09T23:49:44Z |
| format | Article |
| id | doaj.art-73628177d1c4407fab319928b9f600bb |
| institution | Directory Open Access Journal |
| issn | 2311-5521 |
| language | English |
| last_indexed | 2024-03-09T23:49:44Z |
| publishDate | 2022-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Fluids |
| spelling | doaj.art-73628177d1c4407fab319928b9f600bb2023-11-23T16:36:58ZengMDPI AGFluids2311-55212022-06-017619810.3390/fluids7060198Experimental and Numerical Study of Cavitation Number Limitations for Hydrodynamic Cavitation Inception PredictionMaxim Omelyanyuk0Alexey Ukolov1Irina Pakhlyan2Nikolay Bukharin3Mouhammad El Hassan4Armavir Institute of Mechanics and Technology, Kuban State Technological University, Armavir 352905, RussiaMathematics, Physics and Computer Science Department, Kerch State Maritime Technological University, Kerch 298176, RussiaArmavir Institute of Mechanics and Technology, Kuban State Technological University, Armavir 352905, RussiaThermofluids Solutions, Calgary, AB T3G 4E8, CanadaMechanical Engineering Department, Prince Mohammad Bin Fahd University, Al Khobar 34754, Saudi ArabiaHydrodynamic cavitation is the formation, growth and subsequent collapse of vapor bubbles in a moving liquid. It is extremely important to determine conditions of cavitation inception and when it starts damaging industrial equipment. In some cases, such as hydrodynamic cleaning it is important to understand how to improve the cavitation phenomenon in order to enhance cleaning properties. The cavitation number is a parameter used to predict cavitation and its potential effects. In this paper we discuss limitations of this parameter and demonstrate that it cannot be considered sufficient to predict cavitation inception and development in the fluid flow. The experimental setup was designed and built to study cavitation inception in various nozzles. RANS SST k–ω turbulence model was used in this study to model turbulent flow in ANSYS Fluent. CFD calculations were compared to experimental results. It was shown that cavitation inception was sensitive to change in nozzle geometry and, since geometrical parameters are not included in cavitation number formula, scenarios of cavitation inception can be different at the same cavitation number.https://www.mdpi.com/2311-5521/7/6/198hydrodynamic cavitationcavitation numberfluid mechanicsCFD |
| spellingShingle | Maxim Omelyanyuk Alexey Ukolov Irina Pakhlyan Nikolay Bukharin Mouhammad El Hassan Experimental and Numerical Study of Cavitation Number Limitations for Hydrodynamic Cavitation Inception Prediction Fluids hydrodynamic cavitation cavitation number fluid mechanics CFD |
| title | Experimental and Numerical Study of Cavitation Number Limitations for Hydrodynamic Cavitation Inception Prediction |
| title_full | Experimental and Numerical Study of Cavitation Number Limitations for Hydrodynamic Cavitation Inception Prediction |
| title_fullStr | Experimental and Numerical Study of Cavitation Number Limitations for Hydrodynamic Cavitation Inception Prediction |
| title_full_unstemmed | Experimental and Numerical Study of Cavitation Number Limitations for Hydrodynamic Cavitation Inception Prediction |
| title_short | Experimental and Numerical Study of Cavitation Number Limitations for Hydrodynamic Cavitation Inception Prediction |
| title_sort | experimental and numerical study of cavitation number limitations for hydrodynamic cavitation inception prediction |
| topic | hydrodynamic cavitation cavitation number fluid mechanics CFD |
| url | https://www.mdpi.com/2311-5521/7/6/198 |
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