Abstract

This paper studies the four-quadrant homologous characteristic and analyzes the gas–liquid two-phase flow head degradation of ACP100 reactor coolant pump. The theoretical basis and the operating conditions of the pump's four-quadrant homologous characteristic are introduced. To verify the reliability of the computational fluid dynamics (CFD), the comparison of the results from CFD and test is implemented, and with these datum for the pump is plotted with homologous curves. In this paper, homologous pump characteristics are used to make the proper estimation on complete characteristic outside the testing range. Meanwhile, a combined method of impeller Euler head distribution and entropy generation rate analysis are applied for the head degradation of ACP100 reactor coolant pump under gas–liquid two-phase flow condition, and 70% of gas void fraction (GVF) is shown as the maximum degradation point. In addition, head degradation multiplier plots homologous curves are used to predict the homologous characteristic of specific GVF.

References

1.
Ma
,
Y.
,
2019
, “
Research on Design, Operation and Maintenance of Nuclear Reactor Coolant Pump of PWR Nuclear Power Plant
,”
Ind. Technol. Forum
,
18
(
2
), pp.
62
63
.
2.
Song
,
D.
,
Qin
,
Z.
,
Cheng
,
H.
,
Hu
,
J.
, and
Li
,
Y.
,
2017
, “
ACP100 Small Modular Reactor Research and Development in China
,”
China Nucl. Power
,
10
(
2
), pp.
172
177
.
3.
Poullikkas
,
A.
,
2000
, “
Two Phase Flow Performance of Nuclear Reactor Cooling Pumps
,”
Prog. Nucl. Energy
,
36
(
2
), pp.
123
130
.10.1016/S0149-1970(00)00007-X
4.
Jin
,
S. P.
,
Jong
,
W. K.
, and
Jae
,
S. L.
,
2009
, “
Complete and Homologous Pump Characteristics for a Reactor Coolant Pump
,”
Nucl. Eng. Des.
,
357
, p.
110425
.10.1016/j.nucengdes.2019.110425
5.
Knapp
,
R. T.
,
1937
, “
Complete Characteristics of Centrifugal Pumps and Their Use in the Prediction of Transient Behavior
,”
Trans. ASME
,
59
, pp.
683
689
.https://authors.library.caltech.edu/48235/
6.
Zhang
,
S.
,
1993
, “
Transient Behavior Calculation for Reactor Coolant Circulation Pump
,”
Nucl. Power Eng.
, 14(2), pp.
183
190
.http://en.cnki.com.cn/Article_en/CJFDTOTAL-HDLG199302015.htm
7.
Zhu
,
R.
,
Liu
,
Y.
,
Wang
,
X.
,
Fu
,
Q.
,
Yang
,
A.
, and
Long
,
Y.
,
2017
, “
The Research on AP1000 Nuclear Main Pump's Complete Characteristics and the Normalization Method
,”
Ann. Nucl. Energy
,
99
, pp.
1
8
.10.1016/j.anucene.2016.08.014
8.
Qian
,
W.
,
2015
, “
Experimental Study on Four Quadrant Characteristics of AP1400 Reactor Coolant Pump
,”
Water Pump Technol.
,
5
, pp.
7
12
.
9.
Zhao
,
Y.
,
Tao
,
J.
, and
Ji
,
Y.
,
2011
, “
Research on Four-Quadrant Characteristics of Pump
,”
Water Pump Technol.
,
5
, pp.
6
8
.
10.
Zhang
,
Y.
,
Jang
,
H.
,
Jang
,
Y.
, and
Zhang
,
Z.
,
2013
, “
The Summary of Complete Characteristics Test of Axial Flow Pump Model
,”
China. Des. Water Resour. Hydroelectric Eng.
,
3
, pp.
25
27
.
11.
Furuya
,
O.
,
1985
, “
An Analytical Model for Prediction of Two-Phase (Noncondensable) Flow Pump Performance
,”
ASME J. Fluids Eng.
,
107
(
1
), pp.
139
147
.10.1115/1.3242432
12.
Andreas
,
P.
,
2003
, “
Effects of Two-Phase Liquid-Gas Flow on the Performance of Nuclear Reactor Cooling Pumps
,”
Prog. Nucl. Energy
,
42
(
1
), pp.
3
10
.10.1016/S0149-1970(03)80002-1
13.
William
,
M. V.
,
Jorge
,
L. B.
,
Natache
,
A. S.
, and
Antonio
,
C. B.
,
2017
, “
Experimental Study of Gas-Liquid Two-Phase Flow Patterns Within Centrifugal Pumps Impellers
,”
Exp. Therm. Fluid Sci.
,
85
, pp.
37
51
.10.1016/j.expthermflusci.2017.02.019
14.
Shao
,
C.
,
Li
,
C.
, and
Zhou
,
J.
,
2018
, “
Experimental Investigation of Flow Patterns and External Performance of a Centrifugal Pump That Transports Gas-Liquid Two-Phase Mixtures
,”
Int. J. Heat Fluid Flow
,
71
, pp.
460
469
.10.1016/j.ijheatfluidflow.2018.05.011
15.
Zhang
,
J.
,
Cai
,
S.
,
Li
,
Y.
,
Zhu
,
H.
, and
Zhang
,
Y.
,
2016
, “
Visualization Study of Gas–Liquid Two-Phase Flow Patterns Inside a Three-Stage Rotodynamic Multiphase Pump
,”
Exp. Therm. Fluid Sci.
,
70
, pp.
125
138
.10.1016/j.expthermflusci.2015.08.013
16.
Murakami
,
M.
, and
Minemura
,
K.
,
1974
, “
Effects of Entrained Air on the Performance of a Centrifugal Pump
,”
Bull. JSME
,
17
(
110
), pp.
1047
1055
.10.1299/jsme1958.17.1047
17.
Minemura
,
K.
, and
Murakami
,
M.
,
1980
, “
A Theoretical Study on Air Bubble Motion in a Centrifugal Pump Impeller
,”
ASME J. Fluids Eng.
,
102
(
4
), pp.
446
453
.10.1115/1.3240721
18.
Minemura
,
K.
, and
Uchiyama
,
T.
,
1993
, “
Three-Dimensional Calculation of Air–Water Two-Phase Flow in Centrifugal Pump Impeller Based on a Bubbly Flow Model
,”
ASME J. Fluids Eng.
,
115
(
4
), pp.
766
771
.10.1115/1.2910210
19.
Jose
,
C.
,
Miguel
,
A.
,
Frank
,
K.
,
Andrés
,
T.
, and
Orlando
,
A.
,
2008
, “
Characterization of a Centrifugal Pump Impeller Under Two-Phase Flow Conditions
,”
J. Pet. Sci. Eng.
,
63
(1–4), pp.
18
22
.10.1016/j.petrol.2008.06.005
20.
Lu
,
Y.
,
Zhu
,
R.
,
Wang
,
X.
,
Fu
,
Q.
,
Li
,
M.
, and
Si
,
X.
,
2017
, “
Study on Gas-Liquid Two-Phase All-Characteristics of CAP1400 Nuclear Main Pump
,”
Nucl. Eng. Des.
,
319
, pp.
140
148
.10.1016/j.nucengdes.2017.05.001
21.
Lu
,
Y.
,
Zhu
,
R.
,
Wang
,
X.
,
Wang
,
Y.
,
Fu
,
Q.
, and
Ye
,
D.
,
2018
, “
Study on the Complete Rotational Characteristic of Coolant Pump in the Gas-Liquid Two-Phase Operating Condition
,”
Ann. Nucl. Energy
,
123
, pp.
180
189
.10.1016/j.anucene.2018.09.030
22.
Tadashi
,
N.
,
Kenji
,
A.
,
Takashi
,
K.
,
Osamu
,
A.
, and
Toshie
,
G.
,
1985
, “
Centrifugal Pump Behavior in Steady and Transient Two-Phase Flow
,”
J. Nucl. Sci. Technol.
,
23
(
2
), pp.
136
150
.10.1080/18811248.1986.9734961
23.
Wang
,
G.
,
Bai
,
Z.
, and
Huang
,
B.
,
2014
, “
Evaluation of Inhomogeneous Model for Computations of Gas-Liquid Multiphase Flows
,”
Trans. Beijing Inst. Technol.
,
34
(
7
), pp.
685
690
.http://en.cnki.com.cn/Article_en/CJFDTotal-BJLG201407006.htm
24.
Cao
,
S.
,
Peng
,
G.
, and
Yu
,
Z.
,
2005
, “
Hydrodynamic Design of Rotodynamic Pump Impeller for Multiphase Pumping by Combined Approach of Inverse Design and CFD Analysis
,”
ASME J. Fluids Eng.
,
127
(
2
), pp.
330
338
.10.1115/1.1881697
25.
Kennedy
,
W. G.
,
Jacob
,
M. C.
,
Whitehouse
,
J. C.
,
Fishburn
,
J. D.
, and
Kanupka
,
G. J.
,
1980
, “
Pump Two-Phase Performance Program Volume 2: Steady State Tests. Final Report
,” EPRI, Washington, DC, Report No.
NP-1556
.10.2172/7065262
26.
Yan
,
P.
,
Chu
,
N.
,
Wu
,
D.
,
Cao
,
L.
,
Yang
,
S.
, and
Wu
,
P.
,
2017
, “
Computational Fluid Dynamics-Based Pump Redesign to Improve Efficiency and Decrease Unsteady Radial Forces
,”
ASME J. Fluids Eng.
,
139
(
1
), p.
011101
.10.1115/1.4034365
27.
Denton
,
J. D.
,
1993
, “
The 1993 IGTI Scholar Lecture: Loss Mechanisms in Turbomachines
,”
ASME J. Turbomach.
,
115
(
4
), pp.
621
656
.10.1115/1.2929299
28.
Newton
,
P.
,
Copeland
,
C. D.
,
Martinez-Botas
,
R. F.
, and
Seiler
,
M.
,
2012
, “
An Audit of Aerodynamic Loss in a Double Entry Turbine Under Full and Partial Admission
,”
Int. J. Heat Fluid Flow
,
33
(
1
), pp.
70
80
.10.1016/j.ijheatfluidflow.2011.10.001
29.
Mersinligil
,
M.
,
Brouckaert
,
J.
,
Courtiade
,
N.
, and
Ottavy
,
X.
,
2013
, “
On Using Fast Response Pressure Sensors in Aerodynamic Probes to Measure Total Temperature and Entropy Generation in Turbomachinery Blade Rows
,”
ASME J. Eng. Gas Turbines Power
,
135
(
10
), p.
101601
.10.1115/1.4024999
30.
Zhang
,
L.
,
Lang
,
J.
,
Jiang
,
K.
, and
Wang
,
S.
,
2014
, “
Simulation of Entropy Generation Under Stall Conditions in a Centrifugal Fan
,”
Entropy
,
16
(
7
), pp.
3573
3589
.10.3390/e16073573
31.
Ji
,
L.
,
Li
,
W.
,
Shi
,
W.
,
Chang
,
H.
, and
Yang
,
Z.
,
2020
, “
Energy Characteristics of Mixed-Flow Pump Under Different Tip Clearances Based on Entropy Production Analysis
,”
Energy
,
199
(
15
), p.
117447
.10.1016/j.energy.2020.117447
You do not currently have access to this content.