CN113782105B - Method for analyzing flow heat transfer characteristics of liquid metal lead-bismuth alloy under swinging condition - Google Patents
Method for analyzing flow heat transfer characteristics of liquid metal lead-bismuth alloy under swinging condition Download PDFInfo
- Publication number
- CN113782105B CN113782105B CN202111014897.XA CN202111014897A CN113782105B CN 113782105 B CN113782105 B CN 113782105B CN 202111014897 A CN202111014897 A CN 202111014897A CN 113782105 B CN113782105 B CN 113782105B
- Authority
- CN
- China
- Prior art keywords
- lead
- bismuth alloy
- flow
- condition
- calculation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16C—COMPUTATIONAL CHEMISTRY; CHEMOINFORMATICS; COMPUTATIONAL MATERIALS SCIENCE
- G16C10/00—Computational theoretical chemistry, i.e. ICT specially adapted for theoretical aspects of quantum chemistry, molecular mechanics, molecular dynamics or the like
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16C—COMPUTATIONAL CHEMISTRY; CHEMOINFORMATICS; COMPUTATIONAL MATERIALS SCIENCE
- G16C20/00—Chemoinformatics, i.e. ICT specially adapted for the handling of physicochemical or structural data of chemical particles, elements, compounds or mixtures
- G16C20/10—Analysis or design of chemical reactions, syntheses or processes
Landscapes
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Bioinformatics & Computational Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a method for analyzing the flow heat transfer characteristics of a liquid metal lead-bismuth alloy under a swing condition, which comprises the following steps of 1, carrying out structural parameter modeling according to a lead-bismuth alloy flow channel, inputting an initial flow field, a temperature field and a pressure field as static state calculation initial values; 2. calling a physical property relation of the lead-bismuth alloy, introducing a turbulent flow Plantt model, obtaining a flow field, a temperature field and a pressure field in a static state, and taking the flow field, the temperature field and the pressure field as working conditions of a swing condition to calculate initial values; 3. setting a swing condition to calculate a time step, calling a pulsation speed inlet boundary condition, and setting a pulsation amplitude and a pulsation period; 4. calling an external force field calculation function under a swing condition, and setting a swing amplitude and a swing period; 5. and setting the swinging motion time, and calculating the flow and heat transfer characteristics of the lead-bismuth alloy under the swinging condition until the single time step calculation convergence and the swinging motion time reach the calculation requirement. The invention provides a method for the design and safety analysis of the lead bismuth reactor in ocean engineering application.
Description
Technical Field
The invention relates to the field of thermal hydraulic power of a lead-bismuth reactor, in particular to a method for analyzing the flow heat transfer characteristics of a liquid metal lead-bismuth alloy under a swinging condition.
Background
The lead bismuth reactor is a reactor taking lead bismuth alloy as a coolant. Under the background of scarcity of natural resources such as land energy and the like, the ocean resources are gradually valued, and the lead bismuth reactor is considered to be widely applied to ocean engineering due to the characteristics of compact structural design, good inherent safety, good economy and the like. In a marine environment, the ship on which the lead bismuth reactor is arranged rotates, so that the lead bismuth reactor receives additional force. The flow heat transfer characteristics of the reactor coolant lead bismuth alloy under the swing condition are different from those of the reactor coolant lead bismuth alloy under the land stationary condition, and the design and safety analysis of the reactor are influenced by related thermal hydraulic engineering. Therefore, the research on the flow heat transfer characteristic of the lead-bismuth alloy under the swing condition has great significance for understanding the flow heat transfer mechanism of the lead-bismuth alloy, providing a design basis for reactor design and providing powerful support for reactor analysis software development.
At present, in the application of ocean engineering, a pressurized water reactor is a widely applied and mature reactor type. As a novel reactor, the research of various countries on the lead-bismuth reactor is still in a lasso stage. In the research on terrestrial lead bismuth stacks, many countries have conducted experimental and theoretical studies, including the study of the flow heat transfer of lead bismuth alloys in various bundle channels and other types of flow channels. However, the analysis and research on the flow heat transfer characteristics of the lead-bismuth alloy under the rocking condition are still lacked.
Disclosure of Invention
In order to make up the defects of the prior art, the invention aims to provide a method for analyzing the flow heat transfer characteristics of a liquid metal lead-bismuth alloy under a swing condition, which can construct a lead-bismuth alloy flow environment and set the physical properties of a lead-bismuth alloy working medium aiming at the characteristics of a flow channel in a lead-bismuth reactor, select a proper turbulence Plantt model, develop the thermodynamic and hydraulic calculation of the lead-bismuth alloy under a static condition and obtain the initial state of dynamic swing condition calculation; setting boundary conditions of the inlet of a flow channel according to the swing condition of the lead-bismuth stack, setting swing amplitude, period and movement duration, and obtaining the flow heat transfer characteristic of the lead-bismuth alloy under the swing condition through a low Reynolds number turbulence model.
In order to achieve the purpose, the invention adopts the following technical scheme to implement:
a method for analyzing the flow heat transfer characteristics of a liquid metal lead-bismuth alloy under a swinging condition comprises the following steps:
step 1: establishing a lead-bismuth alloy flow channel model and inputting steady-state parameters, wherein the method comprises the steps of establishing a geometric model according to the lead-bismuth alloy flow channel, and inputting an initial temperature field, a velocity field and a pressure field of the flow channel according to the running parameters of a lead-bismuth reactor to serve as static and steady-state calculation initial values;
step 2: calling a physical property relation of the lead-bismuth alloy, calling a turbulent flow Prandtl model, starting a Reynolds stress turbulence model in a computational fluid mechanics program, carrying out static thermal hydraulic calculation of the liquid metal lead-bismuth, and converging a to-be-calculated residual curve to 10 -5 Then obtaining a temperature field, a velocity field and a pressure field in the flow channel as initial values for calculating the flow heat transfer of the lead-bismuth alloy under the condition of swinging motion;
the method comprises the following steps of (1) introducing a lead-bismuth alloy physical property relational expression optimization calculation in consideration of the influence of physical property setting of the liquid lead-bismuth alloy on the flow and heat exchange of the liquid lead-bismuth alloy; the physical property relation of the liquid lead bismuth alloy is as follows:
ρ LBE =11096-1.3236T (1)
C p,LBE =159-2.72×10 -2 T+7.12×10 -6 T 2 (2)
λ LBE =3.61+1.517×10 -2 T-1.741×10 -6 T 2 (3)
in the formula:
ρ LBE density of Pb-Bi alloy/kg-m -3
T-temperature of lead bismuth alloy/K
C p,LBE -heat capacity/J.K of Pb-Bi alloy -1
λ LBE -lead bismuth alloy thermal conductivity/W.m -1 ·K -1
μ LBE -dynamic viscosity/Ns.m of Pb-Bi alloy -2
Introducing a turbulent flow Plantt model for optimizing and simulating the turbulent heat exchange process of the liquid lead-bismuth alloy in the lead-bismuth alloy:
turbulent plangtian model:
in the formula:
Pr t -turbulent Plantt number
Pe t Turbulent Peclet number
v t -turbulent viscosity/pas
v-viscosity/pas
Pr-Plantt number
Alpha-thermal diffusivity per m 2 ·s -1
And 3, step 3: setting unit time step length calculated by the swing condition, calling a pulse speed inlet boundary condition, and setting the inlet boundary condition of the lead-bismuth alloy flow channel as sinusoidal pulse flow fluctuation so as to simulate system flow fluctuation of the lead-bismuth reactor under the swing condition. Setting the pulse amplitude and period;
the pulse speed adopts a sine form, and system flow fluctuation of the lead-bismuth reactor under a swinging condition is simulated and expressed as follows:
in the formula:
u m inlet boundary pulsating speed
u s -flow rate of lead bismuth alloy of lead bismuth reactor system under static condition
A u -amplitude of pulsation
T 1 -pulse period
t-time of rocking motion
And 4, step 4: calling the calculation function of the additional external force field of the lead-bismuth alloy under the condition of the swinging motion, calculating the additional external force applied to the lead-bismuth alloy, and setting the amplitude and the period of the swinging motion;
when the ship loading the reactor system is in a marine environment, the ship non-inertial system can translate and rotate relative to the inertial system; the additional external force generated due to the rocking motion at this time can be expressed as follows
F a =ρa=ρ(a cen +a t +a C )=-ρ[α×(α×r)+β×r+2α×u r ] (8)
In the formula:
F a -additional external force
Rho-density of Pb-Bi alloy
a-total additional acceleration
a cen Centripetal acceleration
a t -tangential acceleration
a C -coriolis acceleration
Alpha-rocking angular velocity
Beta-swing angular acceleration
Coordinates of r-Pb-Bi alloy fluid particles
u r Flow velocity of fluid particles of lead-bismuth alloy
The rocking angle, angular velocity and angular acceleration are set to trigonometric forms. For a vertical lead bismuth alloy flow channel, considering the influence of gravity, the lateral additional external force perpendicular to the flow direction can be expressed as follows:
in the formula:
Rho-density of Pb-Bi alloy
y ', z' -non-inertial coordinate system coordinates
Theta-rocking angle
θ max Amplitude of rocking motion
T 2 Period of rocking motion
t-time of rocking movement
Angular velocity of alpha-rocking motion
Angular acceleration of beta-rocking motion
And 5: setting the swinging time, and calculating the flow and heat transfer characteristics of the lead-bismuth alloy under the swinging condition; if the calculation residual continuously fluctuates and the calculation cannot be converged, the unit time step length needs to be adjusted, and the calculation is started again; if the calculated residual tends to be stable and does not fluctuate any more, the calculation is shown to be convergent, and whether the swing motion time length meets the calculation requirement or not is judged at the moment; if the swing calculation time length meets the calculation requirement, stopping the calculation, and obtaining the calculation result of the flow heat transfer of the lead-bismuth alloy under the swing motion condition; otherwise, increasing a unit time step, taking the last time step calculation result as an initial condition, and continuing to calculate the flow heat transfer characteristics of the lead-bismuth alloy under the swinging condition until the swinging movement time length reaches the calculation requirement.
Compared with the prior art, the invention has the following advantages:
1. the analysis method can solve the flow heat transfer characteristic of the lead-bismuth alloy under the swinging condition, and fills the existing calculation blank;
2. the analysis method of the invention adds a swing condition additional force model and a turbulence Plantt model, and can more accurately calculate the coolant flow characteristic and the heat transfer characteristic of the flow channel of the lead-bismuth reactor under the swing motion condition.
3. The method can be used for modeling according to the actual flow channel, inputting the amplitude, the period and the movement duration of the swing motion according to the actual situation of the swing motion, and inputting the boundary condition of the flow channel according to the actual flow fluctuation of the system caused by the swing, thereby ensuring the accuracy of the calculation of the flow heat transfer of the lead-bismuth alloy.
Drawings
FIG. 1 is a block diagram of the computational flow of the present invention.
FIG. 2 is a schematic diagram of the rocking motion of the circular tube channel.
FIG. 3 is a diagram of the change of the Nurseel number of the dimensionless heat exchange coefficient of a certain section of the lead bismuth alloy in the rocking time length under a certain rocking motion condition.
Detailed Description
The process of the present invention is described in further detail below with reference to the accompanying drawings and the detailed description:
as shown in FIG. 1, the method for analyzing the flow heat transfer characteristics of the liquid metal lead-bismuth alloy under the condition of swing comprises the following steps:
step 1: the method comprises the steps of establishing a lead-bismuth alloy flow channel model and inputting steady-state parameters, wherein the steps of establishing a geometric model according to the lead-bismuth alloy flow channel, inputting an initial temperature field, a velocity field and a pressure field of the flow channel according to the running parameters of a lead-bismuth reactor, and using the initial temperature field, the velocity field and the pressure field as static and steady-state calculation initial values.
Step 2: calling a physical property relation of the lead-bismuth alloy, calling a turbulent flow Prandtl model, starting a Reynolds stress turbulence model in a computational fluid mechanics program, carrying out static thermal hydraulic calculation of the liquid metal lead-bismuth, and converging a to-be-calculated residual curve to 10 -5 And then obtaining a temperature field, a velocity field and a pressure field in the flow channel as initial values for calculating the flow heat transfer of the lead-bismuth alloy under the condition of swinging motion.
The method comprises the following steps of (1) introducing physical property relational expression optimization calculation of the lead-bismuth alloy in consideration of the influence of physical property setting of the liquid lead-bismuth alloy on flow and heat exchange of the liquid lead-bismuth alloy; the physical property relation of the liquid lead-bismuth alloy is as follows:
ρ LBE =11096-1.3236T (1)
C p,LBE =159-2.72×10 -2 T+7.12×10 -6 T 2 (2)
λ LBE =3.61+1.517×10 -2 T-1.741×10 -6 T 2 (3)
in the formula:
ρ LBE density of Pb-Bi alloy/kg-m -3
T-lead bismuth alloy temperature/K
C p,LBE -lead bismuth alloy heat capacity/J.K -1
λ LBE -lead bismuth alloy thermal conductivity/W.m -1 ·K -1
μ LBE -dynamic viscosity/Ns.m of Pb-Bi alloy -2
Introducing a turbulent flow Plantt model for optimizing and simulating the turbulent heat exchange process of the liquid lead-bismuth alloy in the lead-bismuth alloy:
turbulent plangtian model:
in the formula:
Pr t -turbulent Plantt number
Pe t Turbulent Peclet number
v t -turbulent viscosity/Pa.s
v-viscosity/pas
Pr-Plantt number
Alpha-thermal diffusivity per m 2 ·s -1
And 3, step 3: and setting unit time step length calculated by the swing condition, calling a pulse speed inlet boundary condition, and setting the inlet boundary condition of the lead-bismuth alloy flow channel as sinusoidal pulse flow fluctuation so as to simulate system flow fluctuation of the lead-bismuth reactor under the swing condition. The pulse amplitude and period are set simultaneously.
The pulse speed adopts a sine form, and system flow fluctuation of the lead-bismuth reactor under the swinging condition is simulated, and is expressed as follows:
in the formula:
u m inlet boundary pulsating speed
u s -flow rate of lead-bismuth alloy of lead-bismuth reactor system under static condition
A u Amplitude of pulsation
T 1 -pulse period
t-time of rocking movement
And 4, step 4: and calling the calculation function of the additional external force field of the lead-bismuth alloy under the condition of the swinging motion, calculating the additional external force applied to the lead-bismuth alloy, and setting the amplitude and the period of the swinging motion.
When the vessel carrying the reactor system is in a marine environment, the vessel non-inertial system translates and rotates relative to the inertial system. The additional external force generated due to the rocking motion at this time can be expressed as follows
F a =ρa=ρ(a cen +a t +a C )=-ρ[α×(α×r)+β×r+2α×u r ] (8)
In the formula:
F a -additional external force
Rho-density of Pb-Bi alloy
a-total additional acceleration
a cen Centripetal acceleration
a t -tangential acceleration
a C -coriolis acceleration
Alpha-rocking angular velocity
Beta-swing angular acceleration
Coordinates of r-Pb-Bi alloy fluid particles
u r Flow velocity of fluid particles of lead bismuth alloy
The rocking angle, angular velocity and angular acceleration are set in the form of trigonometric functions. For a vertical lead bismuth alloy flow channel, considering the influence of gravity, the lateral additional external force perpendicular to the flow direction can be expressed as follows:
in the formula:
Rho-density of Pb-Bi alloy
y ', z' -non-inertial coordinate system coordinates
Theta-angle of rocking
θ max Amplitude of rocking motion
T 2 Period of rocking motion
t-time of rocking motion
Angular velocity of alpha-rocking motion
Angular acceleration of beta-roll motion
And 5: and setting the swinging motion time, and calculating the flow and heat transfer characteristics of the lead-bismuth alloy under the swinging condition. If the calculation residual continuously fluctuates and the calculation cannot be converged, the unit time step length needs to be adjusted and the calculation is restarted; if the calculated residual tends to be stable and does not fluctuate any more, the calculation is shown to be convergent, and whether the swing motion time length meets the calculation requirement or not is judged at the moment; if the swing calculation time length meets the calculation requirement, stopping the calculation, and obtaining the calculation result of the flow heat transfer of the lead-bismuth alloy under the swing motion condition; otherwise, increasing a unit time step, taking the last time step calculation result as an initial condition, and continuing to calculate the flow heat transfer characteristics of the lead-bismuth alloy under the swinging condition until the swinging movement time length reaches the calculation requirement.
The effect of the present invention is described below with reference to specific calculation objects, taking the schematic diagram of circular tube channel swinging motion shown in fig. 2 as an example, first, through step 1, a geometric model is established according to a lead-bismuth alloy flow channel, which is exemplified as a circular tube channel, and an initial temperature field, a velocity field and a pressure field of the flow channel are input according to the operating parameters of a lead-bismuth reactor, and are used as initial stationary state calculation values; calling a physical property relation of the lead-bismuth alloy according to the step 2, calling a turbulence Plantt model, and starting a Reynolds stress turbulence model to obtain a temperature field, a velocity field and a pressure field in the flow channel; setting the calculated unit time step length according to the step 3, and calling a pulsating speed inlet boundary condition; calling the function of calculating the additional external force field of the lead-bismuth alloy under the condition of swinging motion according to the step 4, and calculating the additional external force applied to the lead-bismuth alloy; setting the swinging motion time according to the step 5, calculating the flowing and heat transfer characteristics of the lead-bismuth alloy under the swinging condition, outputting the cloud pictures of the flow field and the temperature field in the flow channel under the swinging condition, and the overall and local flow resistance characteristics and heat transfer characteristics of the flow channel, wherein fig. 3 shows the change picture of the Nossel number of the dimensionless heat exchange coefficient of the local section of the fully developed section of the flow channel in the swinging time. The calculation analysis method is helpful for evaluating the influence of an external force field caused by swing on the flow heat transfer characteristic of the lead-bismuth alloy, and provides a research basis for the application of the lead-bismuth cooling reactor in ocean engineering.
Claims (1)
1. A method for analyzing the flow heat transfer characteristics of a liquid metal lead-bismuth alloy under a swing condition is characterized by comprising the following steps of: the method comprises the following steps:
step 1: building a lead-bismuth alloy flow channel model and inputting steady-state parameters, wherein the building of the geometric model according to the lead-bismuth alloy flow channel, and the inputting of an initial temperature field, a velocity field and a pressure field of the flow channel according to the running parameters of a lead-bismuth reactor are used as static steady-state calculation initial values;
and 2, step: calling a physical property relation of the lead-bismuth alloy, calling a turbulent flow Prandtl model, starting a Reynolds stress turbulence model in a computational fluid mechanics program, carrying out static thermal hydraulic calculation of the liquid metal lead-bismuth, and converging a to-be-calculated residual curve to 10 -5 Then obtaining a temperature field, a velocity field and a pressure field in the flow channel as initial values for calculating the flow heat transfer of the lead-bismuth alloy under the condition of swinging motion;
the method comprises the following steps of (1) introducing a lead-bismuth alloy physical property relational expression optimization calculation in consideration of the influence of physical property setting of the liquid lead-bismuth alloy on the flow and heat exchange of the liquid lead-bismuth alloy; the physical property relation of the liquid lead-bismuth alloy is as follows:
ρ LBE =11096-1.3236T (1)
C p,LBE =159-2.72×10 -2 T+7.12×10 -6 T 2 (2)
λ LBE =3.61+1.517×10 -2 T-1.741×10 -6 T 2 (3)
in the formula:
ρ LBE density of lead bismuth alloy/kg m -3
T-lead bismuth alloy temperature/K
C p,LBE -heat capacity/J.K of Pb-Bi alloy -1
λ LBE -lead bismuth alloy thermal conductivity/W.m -1 ·K -1
μ LBE -dynamic viscosity/Ns.m of lead bismuth alloy -2
Introducing a turbulent flow Plantt model for optimizing and simulating the turbulent heat exchange process of the liquid lead-bismuth alloy in the lead-bismuth alloy:
turbulent plangtian model:
in the formula:
Pr t -turbulent Plantt number
Pe t Turbulent Peclet number
v t -turbulent viscosity/pas
v-viscosity/Pa.s
Pr-Plantt number
Alpha-thermal diffusivity per m 2 ·s -1
And step 3: setting unit time step length calculated by a swing condition, calling a pulse speed inlet boundary condition, setting the inlet boundary condition of a lead-bismuth alloy flow channel as sinusoidal pulse flow fluctuation so as to simulate system flow fluctuation of a lead-bismuth reactor under the swing condition, and setting pulse amplitude and period;
the pulse speed adopts a sine form, and system flow fluctuation of the lead-bismuth reactor under a swinging condition is simulated and expressed as follows:
in the formula:
u m inlet boundary pulsating speed
u s -flow rate of lead bismuth alloy of lead bismuth reactor system under static condition
A u -amplitude of pulsation
T 1 -period of pulsation
t-time of rocking motion
And 4, step 4: calling the calculation function of the additional external force field of the lead-bismuth alloy under the condition of the swinging motion, calculating the additional external force applied to the lead-bismuth alloy, and setting the amplitude and the period of the swinging motion;
when the ship loading the reactor system is in a marine environment, the ship non-inertial system can translate and rotate relative to the inertial system; the additional external force generated due to the rocking motion at this time is expressed as follows
F a =ρa=ρ(a cen +a t +a C )=-ρ[α×(α×r)+β×r+2α×u r ] (8)
In the formula:
F a -additional external force
Rho-density of Pb-Bi alloy
a-total additional acceleration
a cen Centripetal acceleration
a t -tangential acceleration
a C -coriolis acceleration
Alpha-rocking angular velocity
Beta-rocking angular acceleration
r-lead bismuth alloy fluid particle coordinate
u r Flow velocity of fluid particles of lead bismuth alloy
The swing angle, the angular velocity and the angular acceleration are set to be in the form of trigonometric functions, and for a vertical lead-bismuth alloy flow channel, the influence of gravity is considered, and the transverse additional external force perpendicular to the flow direction is expressed as follows:
in the formula:
Rho-density of Pb-Bi alloy
y ', z' -non-inertial coordinate system coordinates
Theta-rocking angle
θ max Amplitude of rocking motion
T 2 Period of rocking motion
t-time of rocking movement
Angular velocity of alpha-rocking motion
Angular acceleration of beta-rocking motion
And 5: setting the swinging time, and calculating the flow and heat transfer characteristics of the lead-bismuth alloy under the swinging condition; if the calculation residual continuously fluctuates and the calculation cannot be converged, the unit time step length needs to be adjusted, and the calculation is started again; if the calculated residual tends to be stable and does not fluctuate any more, the calculation is shown to be convergent, and whether the swing motion time length meets the calculation requirement or not is judged at the moment; if the swing calculation time length meets the calculation requirement, stopping the calculation, and obtaining the calculation result of the flow heat transfer of the lead-bismuth alloy under the swing motion condition; otherwise, increasing a unit time step, taking the last time step calculation result as an initial condition, and continuing to calculate the flow heat transfer characteristics of the lead-bismuth alloy under the swinging condition until the swinging movement time length reaches the calculation requirement.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111014897.XA CN113782105B (en) | 2021-08-31 | 2021-08-31 | Method for analyzing flow heat transfer characteristics of liquid metal lead-bismuth alloy under swinging condition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111014897.XA CN113782105B (en) | 2021-08-31 | 2021-08-31 | Method for analyzing flow heat transfer characteristics of liquid metal lead-bismuth alloy under swinging condition |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113782105A CN113782105A (en) | 2021-12-10 |
CN113782105B true CN113782105B (en) | 2022-12-09 |
Family
ID=78840295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111014897.XA Active CN113782105B (en) | 2021-08-31 | 2021-08-31 | Method for analyzing flow heat transfer characteristics of liquid metal lead-bismuth alloy under swinging condition |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113782105B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115577583B (en) * | 2022-09-06 | 2023-07-04 | 西安交通大学 | Analysis method for positioning flow-induced vibration of fuel rod by lead-based reactor wire winding |
CN115994495A (en) * | 2022-11-24 | 2023-04-21 | 西安交通大学 | Calculation method for flow heat transfer characteristics of liquid metal lead bismuth in loop system under motion condition |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111753418A (en) * | 2020-06-19 | 2020-10-09 | 西安交通大学 | Migration path analysis method for steam bubbles generated by lead-based reactor accidents |
CN113095004A (en) * | 2021-03-29 | 2021-07-09 | 西安交通大学 | Liquid metal flow heat transfer calculation method |
-
2021
- 2021-08-31 CN CN202111014897.XA patent/CN113782105B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111753418A (en) * | 2020-06-19 | 2020-10-09 | 西安交通大学 | Migration path analysis method for steam bubbles generated by lead-based reactor accidents |
CN113095004A (en) * | 2021-03-29 | 2021-07-09 | 西安交通大学 | Liquid metal flow heat transfer calculation method |
Non-Patent Citations (2)
Title |
---|
圆管内液态铅铋合金强制对流换热特性研究;席文宣等;《工程热物理学报》;20160315(第03期);全文 * |
大涡模拟研究液态金属在环形管道内的湍流换热;吕逸君等;《中国科学技术大学学报》;20151115(第11期);全文 * |
Also Published As
Publication number | Publication date |
---|---|
CN113782105A (en) | 2021-12-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN113782105B (en) | Method for analyzing flow heat transfer characteristics of liquid metal lead-bismuth alloy under swinging condition | |
CN109858135B (en) | Calculation method for safety check of long blade in low-pressure through-flow area of steam turbine | |
Arndt | Cavitation in fluid machinery and hydraulic structures | |
US10698980B2 (en) | Methods for constructing surfaces for optimizing fluid flow | |
Krause | Fluid Mechanics I | |
Lundell et al. | Heavy ellipsoids in creeping shear flow: transitions of the particle rotation rate and orbit shape | |
CN109800488B (en) | Numerical calculation method for bottom thermal environment of liquid rocket in high-altitude environment | |
CN111339701B (en) | Pipeline leakage characteristic Godunov simulation method based on Brunone dynamic friction resistance | |
CN109163101B (en) | Implementation method for improving exhaust capacity of air inlet and exhaust valve | |
CN110837678A (en) | Binary airfoil frequency domain flutter model modeling method based on multi-body system transfer matrix method | |
Li et al. | Research on the improved body-force method based on viscous flow | |
Nouroozi et al. | Propeller hydrodynamic characteristics in oblique flow by unsteady RANSE solver | |
Adanta et al. | Open flume turbine simulation method using six-degrees of freedom feature | |
CN111753418B (en) | Migration path analysis method for steam bubbles generated by lead-based reactor accidents | |
Gupta et al. | Performance evaluation of pelton turbine: A review | |
CN109753679B (en) | Visual monitoring method and system for dust accumulation blockage of air preheater | |
CN110069014A (en) | The method that Cavitation flows are emulated using multi-scale self-adaptive model | |
CN111414683B (en) | Water-gas coupling transient flow simulation method considering dynamic friction resistance | |
CN110489796B (en) | Effectiveness judgment method of heat pipe-based nuclear reactor heat exporting system | |
Sun et al. | Investigations of Rotational Speed and Flow Rate on Centrifugal Pump Performance Using CFD | |
CN115268302B (en) | Marine anti-rolling rotary column real-time lift force simulation platform based on infinitesimal method | |
Крупа | Calculation of the spatial flow in the francis high-head turbine using the CFD software package | |
Baochen et al. | Simulation of ship trajectory in waves based on star-ccm+ | |
Hsu et al. | Planar motion modeling of full-scale SUBOFF in deep and unlimited water | |
Wu et al. | The research of 1D/3D coupling simulation on pump and pipe system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |