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Effect of coating thickness on a solid-liquid two-phase flow centrifugal pump under water medium
Luo, Kaikai (Avtor), Wang, Yong (Avtor), Liu, Houlin (Avtor), Dular, Matevž (Avtor), Chen, Jie (Avtor), Zhang, Zilong (Avtor)

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Izvleček
Spraying a coating on the surface of wet parts of a solid-liquid two-phase flow centrifugal pump could effectively increase its service life. To research the effect of coating thickness on the performance of the pump, a solid-liquid two-phase flow pump with a speed of ns = 81.5 was chosen, and polyurethane coatings with different thicknesses were sprayed on the surface of the blades of the impeller. The influence of coating thickness on the performance of the pump was tested under the condition of a water medium. Combined with numerical simulation, the internal flow, pressure fluctuations and radial force of the model pump were further analysed in detail. Keeping the blade outlet angle unchanged, the head and efficiency of the pump decrease with the increase of the coating thickness, and the amplitude of the decrease increases with the increase of the coating thickness. The peak value of pressure fluctuations increases with the increase of coating thickness. The pressure value on the impeller inlet increases first and then decreases with the increase of coating thickness. Radial force of impeller increases with the increase of coating thickness, and the radial force distributes in the triangle, which is the same as the number of blades.

Jezik:Angleški jezik
Ključne besede:coating thickness, solid-liquid two-phase flow pumps, numerical simulation, pressure fluctuation, radial force
Vrsta gradiva:Članek v reviji (dk_c)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2019
Št. strani:Str. 251-261
Številčenje:Vol. 65, no. 4
UDK:621.67:519.6(045)
ISSN pri članku:0039-2480
URN:URN:NBN:SI:doc-8N0JIVPU
DOI:10.5545/sv-jme.2018.5865 Povezava se odpre v novem oknu
COBISS.SI-ID:16618779 Povezava se odpre v novem oknu
Število ogledov:50
Število prenosov:45
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Gradivo je del revije

Naslov:Strojniški vestnik
Skrajšan naslov:Stroj. vestn.
Založnik:Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.]
ISSN:0039-2480
COBISS.SI-ID:762116 Povezava se odpre v novem oknu

Gradivo je financirano iz projekta

Financer:Drugi - Drug financer ali več financerjev
Program financ.:National Key Research and Development Program of China
Številka projekta:2017YFC0804107
Naslov:

Financer:Drugi - Drug financer ali več financerjev
Program financ.:National Natural Science Foundation of China
Številka projekta:51779106
Naslov:

Program financ.:National Natural Science Foundation of China
Številka projekta:51609164
Naslov:

Financer:Drugi - Drug financer ali več financerjev
Program financ.:Ministry of Education, Xihua University
Številka projekta:szjj2016- 068
Naslov:

Financer:Drugi - Drug financer ali več financerjev
Program financ.:Jiangsu top six talent summit project
Številka projekta:GDZB- 017
Naslov:

Financer:Drugi - Drug financer ali več financerjev
Program financ.:Natural Science Foundation of Jiangsu Province
Številka projekta:BK20160574
Naslov:

Sekundarni jezik

Jezik:Slovenski jezik
Naslov:Vpliv debeline prevleke na tok tekočine in trdnih delcev v centrifugalni črpalki
Ključne besede:debelina prevleke, dvofazne črpalke, numerična simulacija, nihanje tlaka, radialna sila

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