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Title | Ways for improvement of reverse axial pumps |
Authors |
Mandryka, Anatolii Semenovych
Majid, A.P. Ratushnyi, Oleksandr Valeriiovych Kulikov, Oleksandr Andriiovych Sukhostavets, Daria Ihorivna |
ORCID |
http://orcid.org/0000-0002-3525-0953 http://orcid.org/0000-0001-7222-8766 |
Keywords |
reversible pump fluid flow pressure head power energy efficiency |
Type | Article |
Date of Issue | 2022 |
URI | https://essuir.sumdu.edu.ua/handle/123456789/88100 |
Publisher | Sumy State University |
License | Creative Commons Attribution 4.0 International License |
Citation | Mandryka A., Majid A. P., Ratushnyi O., Kulikov O., Sukhostavets D. (2022). Ways for improvement of reverse axial pumps. Journal of Engineering Sciences, Vol. 9(1), pp. D14-D19, doi: 10.21272/jes.2022.9(1).d3 |
Abstract |
The article is devoted to a pilot study of the reverse-bladed pump. The characteristics of the reverse
bladed pump are the identical parameters on flow, the head, power, energy efficiency on direct and the return
operating modes (at rotation of a rotor of the pump both in one and to the opposite side). The model reversible axial
pump with two impeller versions was tested on an experimental bench. The impellers were distinguished by the shape
of the profile in the blade sections. The model reversible pump was structurally a reversible axial impeller placed in a
cylindrical chamber. Studies were carried out at different angles of rotation of the impeller blades. The power
characteristics of tested versions of the pump (impeller) at the design and under loading (unstable operation) modes
are given. Low efficiency of the tested versions of the reversible pump compared to the conventional axial pumps is
noted, primarily due to the strong influence of the secondary gradients of the pressure factor. The second reason is the
profile separation of the flow from the blade surface, to which the tested reverse pump screens are predisposed. |
Appears in Collections: |
Journal of Engineering Sciences / Журнал інженерних наук |
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