Scopus
🔓 Açık Erişim YÖKSİS Eşleşti
Numerical identification of blade exit angle effect on the performance for a multistage centrifugal pump impeller
EPJ Web of Conferences · Ocak 2015
YÖKSİS Kayıtları
Numerical identification of blade exit angle effect on the performance for a multistage centrifugal pump impeller
EPJ Web of Conferences · 2015 Scopus
ÖĞRETİM GÖREVLİSİ OSMAN KOCAASLAN →
Makale Bilgileri
DergiEPJ Web of Conferences
Yayın TarihiOcak 2015
Cilt / Sayfa92
Scopus ID2-s2.0-84937509123
Erişim🔓 Açık Erişim
Özet
Nowadays, single and multistage centrifugal pumps are widely used in industrial and mining enterprises. One of the most important components of a centrifugal pump is the impeller. The performance characteristics are related to the pump comprising the head and the overall efficiency rely a great deal on the impeller geometry. In this work, effects of blade exit angle change on hydraulic efficiency of a multi stage pump impeller are investigated via Ansys-Fluent computational fluid dynamics software for constant width impeller entrance and exit gates, blade numbers and blade thickness. Firstly, the flow volume of a centrifugal pump impeller is generated and then mesh structure is formed for the full impeller flow volume. Secondly, rotational periodic flow model are adopted in order to examine the effect of periodic flow assumption on the performance predictions. Corresponding to the available experimental data, inlet mass flow rate, outlet static pressure and rotation of impeller are taken as 0.02m<sup>3</sup>s<sup>-1</sup>, 450 kPa and 2950 rpm, respectively for the water fluid. No slip boundary condition is exposed to all solid of surface in the flow volume. The continuity and Navier-Stokes equations with the k-ε turbulence model and the standard wall functions are used. During the study, numerical analyses are conducted for the blade exit angle values of 18°, 20°, 25°, 30° and 35°. In consequence of the performed analyses, it is determined that hydraulic efficiency of the pump impeller value is changed between 81.0-84.6%. The most convenient blade exit angle that yields 84.6% hydraulic efficiency at is 18°. The obtained results show that the blade exit angle range has an impact on the centrifugal pump performance describing the pump head and the hydraulic efficiency.
Yazarlar (5)
1
O. Babayigit
2
Osman Kocaaslan
ORCID: 0000-0002-7848-6974
3
M. H. Aksoy
4
Kürşad Melih Güleren
ORCID: 0000-0003-3464-7956
5
M. Ozgoren
Anahtar Kelimeler
Analysis
Blade exit angle
Centrifugal pump
CFD
Hydraulic efficiency
Impeller
K-ε turbulence model
Periodic
Kurumlar
Selçuk Üniversitesi
Selçuklu Turkey
Türk Hava Kurumu Üniversitesi
Ankara Turkey
Metrikler
18
Atıf
5
Yazar
8
Anahtar Kelime