VSE knjižnice (vzajemna bibliografsko-kataložna baza podatkov COBIB.SI)
-
Effect of vibration and noise measuring points distribution on the sensitivity of pump cavitation diagnosisZhou, Runze ...Cavitation is an essential factor in the deterioration of the hydraulic performance of centrifugal pumps. The study of cavitation fault diagnosis can help avoid or reduce the damage it causes. The ... vibration and noise analysis method can predict the incipient cavitation more accurately. In order to improve the accuracy of cavitation fault diagnosis, this paper studies the distribution of vibration and noise measuring points for centrifugal pump cavitation diagnosis. The research object is a centrifugal pump with an inducer and splitter blades. Vibration acceleration sensors and hydrophones were used to collect structural vibration and liquid-borne noise signals at different positions of the pump unit. Root-mean-square (RMS) and fast Fourier transform (FFT) methods were used to construct spectrums of vibration and noise signals with different NPSH and compare the sensitivity of different measuring points to the inception and development of cavitation. In addition, the SST k-ω turbulence model and Zwart cavitation model were used to study the cavitation volume distribution in the pump under different cavitation stages. By setting monitoring points at the impeller outlet, the frequency domain signal distribution of pressure pulsation was studied. The results show that the vibration acceleration measuring points at the pump inlet flange and pump axial position, and liquid-borne noise measuring point at the inlet position, are more sensitive to the diagnosis of cavitation fault. Motor current is also the basis for judging the inception of cavitation. Moreover, as the cavitation intensifies, the dominant frequency signal of the pressure pulsation in the pump is partially shifted.Vir: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 68, no. 5, 2022, str. 325-338)Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasleLeto - 2022Jezik - angleškiCOBISS.SI-ID - 111026435
Avtor
Zhou, Runze |
Chen, Hui, strojnik |
Dong, Liang, strojnik |
Liu, Houlin |
Chen, Zeyu |
Zhang, Yuhang |
Cheng, Zhiming
Teme
cavitation |
centrifugal pumps |
vibration |
noise |
measuring points |
spectral analysis |
kavitacija |
centrifugalne črpalke |
vibracije |
hrup |
merilne točke |
spektralne analize
vir: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 68, no. 5, 2022, str. 325-338)
Vnos na polico
Trajna povezava
- URL:
Faktor vpliva
Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
---|---|---|---|---|---|---|---|---|
JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
---|
Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
---|---|
Zhou, Runze | |
Chen, Hui, strojnik | |
Dong, Liang, strojnik | |
Liu, Houlin | |
Chen, Zeyu | |
Zhang, Yuhang | |
Cheng, Zhiming |
Vir: Osebne bibliografije
in: SICRIS
Izberite prevzemno mesto:
Prevzem gradiva po pošti
Naslov za dostavo:
Med podatki člana manjka naslov.
Storitev za pridobivanje naslova trenutno ni dostopna, prosimo, poskusite še enkrat.
S klikom na gumb "V redu" boste potrdili zgoraj izbrano prevzemno mesto in dokončali postopek rezervacije.
S klikom na gumb "V redu" boste potrdili zgoraj izbrano prevzemno mesto in naslov za dostavo ter dokončali postopek rezervacije.
S klikom na gumb "V redu" boste potrdili zgoraj izbrani naslov za dostavo in dokončali postopek rezervacije.
Obvestilo
Trenutno je storitev za avtomatsko prijavo in rezervacijo nedostopna. Gradivo lahko rezervirate sami na portalu Biblos ali ponovno poskusite tukaj kasneje.
Gesla v Splošnem geslovniku COBISS
Izbira mesta prevzema
Gradivo iz matične enote je brezplačno. Če je gradivo na mesto prevzema dostavljeno iz drugih enot, lahko knjižnica to storitev zaračuna.
Mesto prevzema | Status gradiva | Rezervacija |
---|
Rezervacija v teku
Prosimo, počakajte trenutek.
Rezervacija je uspela.
Rezervacija ni uspela.
Rezervacija...
Članska izkaznica:
Mesto prevzema: