Kaikai Luo (Avtor), Yong Wang (Avtor), Houlin Liu (Avtor), Matevž Dular (Avtor), Jie Chen (Avtor), Zilong Zhang (Avtor)

Povzetek

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.

Ključne besede

coating thickness;solid-liquid two-phase flow pumps;numerical simulation;pressure fluctuation;radial force;

Podatki

Jezik: Angleški jezik
Leto izida:
Tipologija: 1.01 - Izvirni znanstveni članek
Organizacija: UL FS - Fakulteta za strojništvo
UDK: 621.67:519.6(045)
COBISS: 16618779 Povezava se bo odprla v novem oknu
ISSN: 0039-2480
Matična publikacija: Strojniški vestnik
Št. ogledov: 300
Št. prenosov: 106
Ocena: 0 (0 glasov)
Metapodatki: JSON JSON-RDF JSON-LD TURTLE N-TRIPLES XML RDFA MICRODATA DC-XML DC-RDF RDF

Ostali podatki

Sekundarni jezik: Slovenski jezik
Sekundarni naslov: Vpliv debeline prevleke na tok tekočine in trdnih delcev v centrifugalni črpalki
Sekundarne ključne besede: debelina prevleke;dvofazne črpalke;numerična simulacija;nihanje tlaka;radialna sila;
URN: URN:NBN:SI
Vrsta dela (COBISS): Članek v reviji
Strani: str. 251-261, SI 32
Letnik: ǂVol. ǂ65
Zvezek: ǂno. ǂ4
Čas izdaje: Apr. 2019
DOI: 10.5545/sv-jme.2018.5865
ID: 12792647