Effects of sediment diameter and concentration on cavitation characteristics and mechanism
The synergistic erosion caused by cavitation and abrasion is a common and severe problem for hydraulic machinery. In order to explore the mechanism of particles size and concentration effect on cavitation, taking the rotating disk as the research object. The solid-liquid-gas three-phase flow was cal...
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| Veröffentlicht in: | Tribology international 2022-07, Vol.171, p.107543, Article 107543 |
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| creator | SUN, Jie GE, Xinfeng CHU, Dongdong ZHANG, Lei MENG, Han ZHENG, Yuan |
| description | The synergistic erosion caused by cavitation and abrasion is a common and severe problem for hydraulic machinery. In order to explore the mechanism of particles size and concentration effect on cavitation, taking the rotating disk as the research object. The solid-liquid-gas three-phase flow was calculated based on the non-homogeneous multiphase flow model, modified RNG k−εturbulence model, and ZGB model. The increase of particles size firstly inhibited the bubbles (0.02 mm ≤ d ≤ 0.1 mm) and then promoted the bubbles (0.1 mm |
| doi_str_mv | 10.1016/j.triboint.2022.107543 |
| format | Article |
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•This paper explores the mechanism of particle properties effect on cavitation.•The three-phase flow was calculated based on the non-homogeneous multiphase flow model, modified RNG k−ε turbulence model, and ZGB model.•This paper explores the vortex's rotation effect.</description><identifier>ISSN: 0301-679X</identifier><identifier>EISSN: 1879-2464</identifier><identifier>DOI: 10.1016/j.triboint.2022.107543</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Abrasion ; Bubbles ; Cavitation ; Cavitation erosion ; Damage ; Hydraulic machinery ; Interphase forces ; K-epsilon turbulence model ; Multiphase flow ; Rotating disks ; Solid-liquid-gas three-phase flow ; Synergistic erosion ; Turbulence models ; Vortex characteristics</subject><ispartof>Tribology international, 2022-07, Vol.171, p.107543, Article 107543</ispartof><rights>2022</rights><rights>Copyright Elsevier BV Jul 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-cf3901c1a53a052e88ab01a4374949a15818708b760594bae3cb608555972ead3</citedby><cites>FETCH-LOGICAL-c340t-cf3901c1a53a052e88ab01a4374949a15818708b760594bae3cb608555972ead3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0301679X22001165$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>SUN, Jie</creatorcontrib><creatorcontrib>GE, Xinfeng</creatorcontrib><creatorcontrib>CHU, Dongdong</creatorcontrib><creatorcontrib>ZHANG, Lei</creatorcontrib><creatorcontrib>MENG, Han</creatorcontrib><creatorcontrib>ZHENG, Yuan</creatorcontrib><title>Effects of sediment diameter and concentration on cavitation characteristics and mechanism</title><title>Tribology international</title><description>The synergistic erosion caused by cavitation and abrasion is a common and severe problem for hydraulic machinery. In order to explore the mechanism of particles size and concentration effect on cavitation, taking the rotating disk as the research object. The solid-liquid-gas three-phase flow was calculated based on the non-homogeneous multiphase flow model, modified RNG k−εturbulence model, and ZGB model. The increase of particles size firstly inhibited the bubbles (0.02 mm ≤ d ≤ 0.1 mm) and then promoted the bubbles (0.1 mm <d ≤ 0.4 mm); When 0.27 mm < d ≤ 0.4 mm, both cavitation area and cavitation damage intensity are more significant than those of cavitation alone. When d = 0.1 mm, 1% ≤ Cv ≤ 10%, the increase of particles concentration promotes bubbles. However, that only enhances the cavitation area, but has little effect on the cavitation damage intensity. When particles severely inhibit the bubbles, the vortex rotation effect is the strongest, and the mainstream promotion and re-entrant jet inhibition effect are the strongest. The purpose of this paper is to provide some theoretical basis for exploring the mechanism of synergistic erosion.
•This paper explores the mechanism of particle properties effect on cavitation.•The three-phase flow was calculated based on the non-homogeneous multiphase flow model, modified RNG k−ε turbulence model, and ZGB model.•This paper explores the vortex's rotation effect.</description><subject>Abrasion</subject><subject>Bubbles</subject><subject>Cavitation</subject><subject>Cavitation erosion</subject><subject>Damage</subject><subject>Hydraulic machinery</subject><subject>Interphase forces</subject><subject>K-epsilon turbulence model</subject><subject>Multiphase flow</subject><subject>Rotating disks</subject><subject>Solid-liquid-gas three-phase flow</subject><subject>Synergistic erosion</subject><subject>Turbulence models</subject><subject>Vortex characteristics</subject><issn>0301-679X</issn><issn>1879-2464</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFkFtLxDAQhYMouK7-BSn43HVya9o3ZVkvsOCLgvgS0nSKWWyzJtkF_71Zq89CQpjDmTOZj5BLCgsKtLreLFJwrXdjWjBgLItKCn5EZrRWTclEJY7JDDjQslLN6yk5i3EDAEo0akbeVn2PNsXC90XEzg04pqJzZsCEoTBjV1g_2iwGk5wfi3ys2bs0VfbdBGOz08XkbPzxD5jV0cXhnJz05iPixe87Jy93q-flQ7l-un9c3q5LywWk0va8AWqpkdyAZFjXpgVqBM8fFI2hss57QN2qCmQjWoPcthXUUspGMTQdn5OrKXcb_OcOY9IbvwtjHqlZpZjKV9TZVU0uG3yMAXu9DW4w4UtT0AeOeqP_OOoDRz1xzI03UyPmHfYOg47WYWbSuZDJ6c67_yK-AZ_Vf8s</recordid><startdate>202207</startdate><enddate>202207</enddate><creator>SUN, Jie</creator><creator>GE, Xinfeng</creator><creator>CHU, Dongdong</creator><creator>ZHANG, Lei</creator><creator>MENG, Han</creator><creator>ZHENG, Yuan</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>202207</creationdate><title>Effects of sediment diameter and concentration on cavitation characteristics and mechanism</title><author>SUN, Jie ; GE, Xinfeng ; CHU, Dongdong ; ZHANG, Lei ; MENG, Han ; ZHENG, Yuan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-cf3901c1a53a052e88ab01a4374949a15818708b760594bae3cb608555972ead3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Abrasion</topic><topic>Bubbles</topic><topic>Cavitation</topic><topic>Cavitation erosion</topic><topic>Damage</topic><topic>Hydraulic machinery</topic><topic>Interphase forces</topic><topic>K-epsilon turbulence model</topic><topic>Multiphase flow</topic><topic>Rotating disks</topic><topic>Solid-liquid-gas three-phase flow</topic><topic>Synergistic erosion</topic><topic>Turbulence models</topic><topic>Vortex characteristics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>SUN, Jie</creatorcontrib><creatorcontrib>GE, Xinfeng</creatorcontrib><creatorcontrib>CHU, Dongdong</creatorcontrib><creatorcontrib>ZHANG, Lei</creatorcontrib><creatorcontrib>MENG, Han</creatorcontrib><creatorcontrib>ZHENG, Yuan</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Tribology international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SUN, Jie</au><au>GE, Xinfeng</au><au>CHU, Dongdong</au><au>ZHANG, Lei</au><au>MENG, Han</au><au>ZHENG, Yuan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of sediment diameter and concentration on cavitation characteristics and mechanism</atitle><jtitle>Tribology international</jtitle><date>2022-07</date><risdate>2022</risdate><volume>171</volume><spage>107543</spage><pages>107543-</pages><artnum>107543</artnum><issn>0301-679X</issn><eissn>1879-2464</eissn><abstract>The synergistic erosion caused by cavitation and abrasion is a common and severe problem for hydraulic machinery. In order to explore the mechanism of particles size and concentration effect on cavitation, taking the rotating disk as the research object. The solid-liquid-gas three-phase flow was calculated based on the non-homogeneous multiphase flow model, modified RNG k−εturbulence model, and ZGB model. The increase of particles size firstly inhibited the bubbles (0.02 mm ≤ d ≤ 0.1 mm) and then promoted the bubbles (0.1 mm <d ≤ 0.4 mm); When 0.27 mm < d ≤ 0.4 mm, both cavitation area and cavitation damage intensity are more significant than those of cavitation alone. When d = 0.1 mm, 1% ≤ Cv ≤ 10%, the increase of particles concentration promotes bubbles. However, that only enhances the cavitation area, but has little effect on the cavitation damage intensity. When particles severely inhibit the bubbles, the vortex rotation effect is the strongest, and the mainstream promotion and re-entrant jet inhibition effect are the strongest. The purpose of this paper is to provide some theoretical basis for exploring the mechanism of synergistic erosion.
•This paper explores the mechanism of particle properties effect on cavitation.•The three-phase flow was calculated based on the non-homogeneous multiphase flow model, modified RNG k−ε turbulence model, and ZGB model.•This paper explores the vortex's rotation effect.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.triboint.2022.107543</doi></addata></record> |
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| ispartof | Tribology international, 2022-07, Vol.171, p.107543, Article 107543 |
| issn | 0301-679X 1879-2464 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Abrasion Bubbles Cavitation Cavitation erosion Damage Hydraulic machinery Interphase forces K-epsilon turbulence model Multiphase flow Rotating disks Solid-liquid-gas three-phase flow Synergistic erosion Turbulence models Vortex characteristics |
| title | Effects of sediment diameter and concentration on cavitation characteristics and mechanism |
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