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Numerical analysis on a constant rate of kinetic energy change based a two-stage ejector-diffuser system
ID
Sethi, Virendra Kumar
(
Author
),
ID
Kumar, Anil
(
Author
),
ID
Kumar Yadav, Surendra
(
Author
),
ID
Yadav, Anshul
(
Author
),
ID
Prasad, Lalta
(
Author
),
ID
Winczek, Jerzy Adam
(
Author
)
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https://www.sv-jme.eu/sl/article/numerical-analysis-on-constant-rate-of-kinetic-energy-change-based-two-stage-ejector-diffuser-system/
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Abstract
Supersonic ejector energy flow devices are extensively used in various applications, such as pumping, mixing, compression, etc. The conventional single-stage ejector (SSE) design approaches are inefficient for modelling an efficient ejector because of their inefficiency in minimizing mixing losses in the mixing chamber, thermodynamic shock in constant area diffuser, and utilization of redundant discharged momentum at the exit of the first stage. The physics-based single-stage ejector design has better solutions because it minimizes irreversibility due to thermodynamic shocks. The present study utilizes the constant rate of a kinetic energy change physics-based approach to design a two-stage ejector (TSE) for water vapour. The computational fluid dynamics (CFD) tool ANSYS-Fluent has been utilized to predict flow characteristics. The performance of the ejector-diffuser system has also been compared with a single-stage ejector. It is found that the performance of TSE is 70 % higher than that of the performance of SSE.
Language:
English
Keywords:
ejectors
,
CRKEC
,
two-stage ejectors
,
single-stage ejectors
,
CFD
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Publication status:
Published
Publication version:
Version of Record
Publication date:
01.01.2022
Year:
2022
Number of pages:
Str. 368-373
Numbering:
Vol. 68, no. 5
PID:
20.500.12556/RUL-137289
UDC:
621.527
ISSN on article:
0039-2480
DOI:
10.5545/sv-jme.2021.7538
COBISS.SI-ID:
111047427
Publication date in RUL:
09.06.2022
Views:
615
Downloads:
58
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Record is a part of a journal
Title:
Strojniški vestnik
Shortened title:
Stroj. vestn.
Publisher:
Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.
ISSN:
0039-2480
COBISS.SI-ID:
762116
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:
28.03.2022
Secondary language
Language:
Slovenian
Title:
Numerična analiza sistema dvostopenjskega ejektorja-difuzorja na osnovi konstantne hitrosti sprememb kinetične energije
Keywords:
ejektorji
,
CRKEC
,
dvostopenjski ejektorji
,
enostopenjski ejektorji
,
CFD
,
curkovne črpalke
,
CRM
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