Dynamic gas–liquid mass-transfer processes are extensively encountered in gas–liquid mixture transport systems, where mechanical pumps pressurize the mixture and are accompanied by flow and mass-transfer instabilities. Herein, our proposed gaseous cavitation model was innovatively developed to revolutionize the independent unidirectional absorbed or evolved mass transfers. Complex gas–liquid behaviors under the synergetic effects of gaseous and vapor cavitations were achieved for the first time in an on-orbit refueling mechanical pump. Four coupled mass-transfer processes, namely, evolution, evaporation, absorption, condensation, and gas–liquid distribution, were investigated through numerical calculations. The results indicated that when the solution was close to critical saturation and conversion of the mass-transfer direction, a surge in the mass-transfer rate, and more intense hydrodynamic instability occurred. The vapor drove the accumulation of the evolved gas along the edge of the vapor in the impeller, where the evolved-dominated mass-transfer bands existed on the suction surfaces of the long blade, exhibiting the degassing characteristics of the vapor cavity, and other regions belonged to absorption-dominated region. Continuous dissolution induced by significant positive pressure gradient led to the maximum absorbed oxygen concentration at the impeller outlet. The maximal increments of absorbed oxygen in the suction chamber, impeller, and volute were 98%, 447%, and 694%, respectively, and the volume fractions were attenuated by 18.3%, 12.5%, and 5.0%, respectively. Notably, an increase in the gas volume fraction was the dominant reason for exacerbating the instability of the impeller forces, and the range of the radial force tended to be narrow and concentrated as the concentration increased.
Skip Nav Destination
Article navigation
Research Article|
May 23 2023
Synergistic effects of vapor and gaseous cavitation and mass-transfer mechanism in a mechanical pump
Special Collection:
Cavitation
Ren Zhipeng (任志鹏)
;
Ren Zhipeng (任志鹏)
a)
(Conceptualization, Methodology, Writing – original draft, Writing – review & editing)
1
School of Energy Science and Engineering, Harbin Institute of Technology
, Harbin, Heilongjiang 150001, China
Search for other works by this author on:
Li Deyou (李德友)
;
Li Deyou (李德友)
b)
(Funding acquisition, Project administration, Resources, Supervision)
1
School of Energy Science and Engineering, Harbin Institute of Technology
, Harbin, Heilongjiang 150001, China
Search for other works by this author on:
Fu Xiaolong (付晓龙)
;
Fu Xiaolong (付晓龙)
a)
(Software, Writing – original draft)
1
School of Energy Science and Engineering, Harbin Institute of Technology
, Harbin, Heilongjiang 150001, China
Search for other works by this author on:
Wang Hongjie (王洪杰)
;
Wang Hongjie (王洪杰)
a)
(Project administration, Supervision)
1
School of Energy Science and Engineering, Harbin Institute of Technology
, Harbin, Heilongjiang 150001, China
Search for other works by this author on:
Liu Jintao (刘锦涛)
;
Liu Jintao (刘锦涛)
b)
(Conceptualization, Funding acquisition, Project administration, Supervision)
2
Beijing Engineering Research Center of Efficient and Green Aerospace Propulsion Technology, Beijing Institute of Control Engineering
, Beijing 100094, China
Search for other works by this author on:
Li Yong (李永)
Li Yong (李永)
a)
(Formal analysis, Project administration, Supervision)
2
Beijing Engineering Research Center of Efficient and Green Aerospace Propulsion Technology, Beijing Institute of Control Engineering
, Beijing 100094, China
Search for other works by this author on:
a)
Electronic addresses: renzhipenghit@163.com; fuxiaolong@hit.edu.cn; wanghongjie@hit.edu.cn; and li-y95@tsinghua.org.cn
Note: This paper is part of the special topic, Cavitation.
Physics of Fluids 35, 053335 (2023)
Article history
Received:
February 02 2023
Accepted:
May 07 2023
Citation
Zhipeng Ren, Deyou Li, Xiaolong Fu, Hongjie Wang, Jintao Liu, Yong Li; Synergistic effects of vapor and gaseous cavitation and mass-transfer mechanism in a mechanical pump. Physics of Fluids 1 May 2023; 35 (5): 053335. https://doi.org/10.1063/5.0144996
Download citation file:
Sign in
Don't already have an account? Register
Sign In
You could not be signed in. Please check your credentials and make sure you have an active account and try again.
Sign in via your Institution
Sign in via your InstitutionPay-Per-View Access
$40.00