Publication detail
Hydraulic Losses in the Spiral Case of Low Specific Speed Pumps
KLAS, R. POCHYLÝ, F. RUDOLF, P.
Czech title
Hydraulické ztráty ve spirálním tělese hydrodynamického čerpadla nízké rychloběžnosti
English title
Hydraulic Losses in the Spiral Case of Low Specific Speed Pumps
Type
conference paper
Language
en
Original abstract
This contribution is focused on analysis of pressure losses in spiral case of centrifugal pump with thick trailing edges and with recirculation channels. Recirculation channels have different geometrical configuration and influence the size of available specific energy as well as hydraulic efficiency. Subsequently, the contribution analyses the flow in spiral case itself with respect to its function and its filling with liquid. Studied phenomena affect the research of pumps with low specific speed, the stability of specific energy characteristic curves and also the configuration of recirculation channels.
Czech abstract
Příspěvek je zaměřen na analýzu tlakových ztrát ve spirále kanálkového odstředivého čerpadla s recirkulačními kanálky. Recirkulační kanálky mají různé geometrické konfigurace a ovlivňují velikost dosahované měrné energie, jakož i hydraulické účinnosti. Následně, příspěvek analyzuje proudění ve spirále s ohledem na její funkci a plnění kapalinou. Studuje rovněž jevy ovlivňují výzkum čerpadel s nízkou rychloběžností, stabilitu charakteristik měrné energie a také konfiguraci recirkulačních kanálků.
English abstract
This contribution is focused on analysis of pressure losses in spiral case of centrifugal pump with thick trailing edges and with recirculation channels. Recirculation channels have different geometrical configuration and influence the size of available specific energy as well as hydraulic efficiency. Subsequently, the contribution analyses the flow in spiral case itself with respect to its function and its filling with liquid. Studied phenomena affect the research of pumps with low specific speed, the stability of specific energy characteristic curves and also the configuration of recirculation channels.
Keywords in Czech
hydraulické ztráty, spirální těleso, nízko rychloběžné čerpadlo
Keywords in English
hydraulic losses, spiral case, low specific speed pump
RIV year
2014
Released
25.03.2014
Publisher
EDP Sciences
ISBN
978-80-260-5375-0
ISSN
2100-014X
Book
EPJ Web of Conferences
Volume
67
Number
1
Pages from–to
1–8
Pages count
8
BIBTEX
@inproceedings{BUT111362,
author="Roman {Klas} and František {Pochylý} and Pavel {Rudolf},
title="Hydraulic Losses in the Spiral Case of Low Specific Speed Pumps",
booktitle="EPJ Web of Conferences",
year="2014",
volume="67",
number="1",
month="March",
pages="1--8",
publisher="EDP Sciences",
isbn="978-80-260-5375-0",
issn="2100-014X"
}