CN106844878A - Pump-jet propulsor multiple target fast optimal design method - Google Patents
Pump-jet propulsor multiple target fast optimal design method Download PDFInfo
- Publication number
- CN106844878A CN106844878A CN201611237449.5A CN201611237449A CN106844878A CN 106844878 A CN106844878 A CN 106844878A CN 201611237449 A CN201611237449 A CN 201611237449A CN 106844878 A CN106844878 A CN 106844878A
- Authority
- CN
- China
- Prior art keywords
- design
- impeller
- pump
- blade
- sample
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
Comprised the following steps the invention provides a kind of pump-jet propulsor multiple target fast optimal design method：Determine that impeller blade imports and exports load value；Set up the parametric design model of impeller and stator blade loading；Using the fast search that genetic Optimization Algorithm complete design variable is global, the design sample of generation different leaves load distribution；The design of impeller blade is completed using ternary indirect problem method for designing, and impeller outlet speed is completed the matched design of stator and impeller as vane inlet boundary condition；Conduit outside molded line uses the preferable airfoil structure of hydrodynamic performance, catheter interior molded line to ensure the patency of the internal flow section of pump spray using linear structure；Complete the calculating of pump-jet propulsor design sample hydrodynamic performance, quantitative efficiency and cavitation performance index；Selection optimal design sample；The performance test of optimal design sample is completed by model test method, the validity of design result is verified.The present invention completes the optimization design work that manpower is difficult to complete.
Description
Technical field
The invention belongs to underwater propeller application field, and in particular to a kind of pump-jet propulsor multiple target fast optimal design
Method.
Background technology
Modern war becomes increasingly conspicuous to the demand of the torpedo speed of a ship or plane high, Low emissivity noiseproof feature, and propeller is used as torpedo power
Core composition, successive dynasties torpedo technique change in play significant role.Especially, in the speed of a ship or plane high, because propeller is made an uproar
With rotating speed, increased speed turns into the first noise to sound far above the noise source in terms of other machinery, now propulsion noise
Source.Pump hydraulic propeller due to propulsive efficiency is high, anti-cavitation ability is strong and the low advantage of radiated noise, navigating under water abroad
There is extensive use in the propulsion of row body.But, for military and technical know-how reason, external rarely high-performance pump spray optimization sets
The document of meter method is published, and the document delivered is substantially all and concentrates in experimental study and emulated computation method.
The content of the invention
Defect of the purpose of the present invention aiming at prior art, there is provided a kind of pump-jet propulsor multiple target rapid Optimum sets
Meter method, completes the optimization design work that manpower is difficult to complete.
The invention provides a kind of pump-jet propulsor multiple target fast optimal design method, it is characterised in that including following step
Suddenly：
A. flow according to target pump hydraulic propeller, lift, rotating speed import and export the definition of size and lift, it is determined that
Impeller blade imports and exports load value.
B. load value as the design variable of blade is imported and exported using impeller blade, sets up impeller and stator blade loading
Parametric design model
C. the sample design variable that the parameterized model based on impeller and stator blade loading determines, is calculated using genetic optimization
The global fast search of method complete design variable, the design sample of generation different leaves load distribution.
D. the design of impeller blade is completed using ternary indirect problem method for designing, and impeller outlet speed is entered as stator
Mouth boundary condition completes the matched design of stator and impeller.
E. conduit outside molded line use the preferable airfoil structure of hydrodynamic performance, catheter interior molded line using linear structure come
Ensure the patency of the internal flow section of pump spray, and then complete pump-jet propulsor entirety sample design.
F. Fluid Mechanics Computation method is used, under conditions of flow viscosity effect is considered, pump-jet propulsor design is completed
The calculating of sample hydrodynamic performance, quantitative efficiency and cavitation performance index.
G. the relation between design variable and pump spray performance is analyzed using response surface model, and is analyzed between design variable
Correlation and sensitiveness and selection optimal design sample.
H. the performance test of optimal design sample is completed by model test method, the validity of design result is verified.
In above-mentioned technical proposal, the import and export circular rector difference of pump class propeller determines the lift of propeller, lift in step a
Height determine that propeller does work the size of ability, lift Ht=ω (г 2- г 1)/(2g π), wherein ω represent angular speed, г=
2 π Rvu represent the circular rector of impeller section, and subscript 1 and 2 represents inlet and outlet position.
In above-mentioned technical proposal, the blade different cross section circular rector that step d is determined according to step c along meridian streamline point
Cloth rule, and then impeller blade exterior design can be completed using pump three Dimensional Design program/software；The design of stator and impeller phase
Matching, vane inlet circular rector is equal to the outlet circulation of impeller, and stator outlet circulation is close to zero in theory；According to impeller outlet ring
The load distribution of amount and stator sample, can obtain the circular rector of stator blade different cross section along the meridian streamline regularity of distribution, enter
And use pump three Dimensional Design program/software to complete the three Dimensional Design of stator blade.
It is an object of the invention to provide one kind based on response surface model, optimized algorithm, Fluid Mechanics Computation, blade loading point
Cloth parametrization, the high efficiency of blade ternary indirect problem design program and model test, anti-cavitation pump-jet propulsor multiple target are quick
Optimization Design, Ke Yikaolv viscosity and impeller and stator matching effect are to pump-jet propulsor totality during sample design
The influence of performance, and by high-performance calculation machine platform, complete the optimization design work that manpower is difficult to complete.The present invention is in sample
Viscosity and impeller and stator matching effect are considered in design process, design result is more authentic and valid.The present invention is based on integration
Numerical experimentation platform, optimized algorithm and response surface model complete the Global Optimum Design of great amount of samples, and design process is more efficient fast
It is prompt.
Brief description of the drawings
Fig. 1 is design flow diagram of the present invention；
Fig. 2 is blade loading parameterized model of the present invention
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, is easy to be well understood to this hair
It is bright, but they do not constitute restriction to the present invention.
As shown in figure 1, the invention provides a kind of pump-jet propulsor multiple target fast optimal design method, it is characterised in that
Comprise the following steps：
1) lift according to target pump hydraulic propeller, rotating speed, the definition for importing and exporting size and lift, determine impeller
Blade imports and exports load value.Generally on spoken language, we represent the power of blade acting using blade loading size, actual
Upper load distribution is the blade swirl distribution in scientific terms.The import and export circular rector difference of pump class propeller determines propeller
Lift, the height of lift determines the size of propeller acting ability, according to《Modern pump is theoretical and designs》The definition of middle lift
Formula understands that lift Ht=ω (г 2- г 1)/(2g π), wherein ω represent angular speed, and г=2 π Rvu represent the circular rector of impeller section, under
Mark 1 and 2 represents inlet and outlet position.Therefore, under conditions of impeller inlet irrotationality, we are according to target pump hydraulic jet propulsion
The lift of device, rotating speed, the definition for importing and exporting size and lift, it may be determined that impeller blade imports and exports load value.Reach
Impeller and the Optimum Matching in stator flow field, the impeller inlet circular rector of preposition skew back guide-vane pump hydraulic propeller proposed by the present invention
The circular rector of stator outlet must be equal to, be that stator load must be matched with impeller loads.In addition, designed according to noise-reduced propeller
Practical experience, vacuole is the important noise source of propeller, and propeller blade ending is linear velocity highest position, is also most to hold
Easily there is the position of vacuole.Therefore, the present invention is proposed being sprayed with reaching suppression pump by reducing stator leaf load (circular rector) slightly
Impeller is slightly vortexed purpose that is dynamic and reducing propulsion noise.
2) using blade loading distribution as the design variable of blade, the Parametric designing of impeller and stator blade loading is set up
Model, as shown in Figure 2.We describe the load distribution of blade using three stage structure, are the 0-a shown in accompanying drawing 2
The parabola of interval parabola, the straight line in a-b intervals and b-1 intervals.Therefore, we can use a (horizontal strokes of straightway starting point
Coordinate), b (abscissa of straight line segment endpoint), c (the corresponding ordinate of straightway starting point), d (the corresponding vertical seats of straight line segment endpoint
Mark), l0 (intercept of the first paragraph parabola in ordinate), six load of parameter determination blade of θ (angle of inclination of straightway)
Distribution curve.
3) the sample design variable (such as a, b, c, d, l0, θ in accompanying drawing 2) that the parameterized model based on blade loading determines,
Using the fast search that genetic Optimization Algorithm complete design variable is global, the design sample of generation different leaves load distribution.
4) design that pump sprays impeller blade is completed using ternary indirect problem method for designing, and using impeller outlet speed as leading
Leaf inlet boundary condition completes the matched design of stator and impeller.According to step 3) determine blade different cross section circular rector edge
The regularity of distribution of meridian streamline, and then impeller blade exterior design can be completed using pump three Dimensional Design program/software.Stator
Design must match with impeller, and to ensure the fluency of flowing, vane inlet circular rector is equal to the outlet circulation of impeller, and to produce
Life axial force as big as possible, stator outlet circulation should be close to zero in theory.Therefore, according to impeller outlet circular rector and stator
The load distribution of sample, can obtain the circular rector of stator blade different cross section along the meridian streamline regularity of distribution, and then use pump three
Meta design program/software completes the three Dimensional Design of stator blade.
5) conduit outside molded line use the preferable airfoil structure of hydrodynamic performance, catheter interior molded line using linear structure come
Ensure the patency of the internal flow section of pump spray, and then complete pump-jet propulsor entirety sample design.
6) Fluid Mechanics Computation method is used, under conditions of flow viscosity effect is considered, pump-jet propulsor design is completed
Sample hydrodynamic performance is calculated, and the performance indications such as quantitative efficiency and cavitation specifically refer to document《Mixed-flow water jet propulsion pump three
Meta design and numerical experimentation》.
7) relation between design variable and pump spray performance is explored using response surface model, and is analyzed between design variable
Correlation and sensitiveness and selection optimal design sample.
8) performance test of optimal design sample is completed by model test method, the validity of method for designing is verified.
The multiple target fast optimal design method of underwater sailing body pump-jet propulsor proposed by the present invention, main wiping blade
Load parameter model, blade ternary indirect problem design program, Fluid Mechanics Computation, optimized algorithm and response surface model composition
Integrated numerical experimentation platform, completes pump-jet propulsor multiple target fast optimal design, Ke Yikaolv gluing during sample design
Property and impeller and influence of the stator matching effect to pump-jet propulsor overall performance, and by model test, verify optimal setting
Meter sample performance and pump-jet propulsor multiple target fast optimal design method.The feature of the multiple target fast optimal design method
It is that blade parameter designs a model as whole design platform provides refining and effectively design variable；Blade ternary indirect problem sets
Have the records of distance by the log and complete the three dimensional design of the blade shape under the conditions of given design variable, design process does not consider flow viscosity；Optimization is calculated
Method completes the fast and effectively global search of variable, realizes the global optimization of sample variable；Fluid Mechanics Computation method completes to set
Propulsion and cavitation performance of the meter sample under the conditions of viscosity is considered are calculated and analysis, and quantitative efficiency and cavitation performance index；Ring
Surface model is answered for exploring the relation between design variable and pump spray performance, and analyzes the correlation and sensitivity between design variable
Property；Model test completes the performance test of optimal design sample, verifies the validity of method for designing.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
Claims (3)
1. a kind of pump-jet propulsor multiple target fast optimal design method, it is characterised in that comprise the following steps：
A. flow according to target pump hydraulic propeller, lift, rotating speed import and export the definition of size and lift, determine impeller
Blade imports and exports load value；
B. load value is imported and exported as the design variable of blade using impeller blade, sets up the parameter of impeller and stator blade loading
Change designs a model；
C. the sample design variable that the parameterized model based on impeller and stator blade loading determines, it is complete using genetic Optimization Algorithm
Into the fast search that design variable is global, the design sample of generation different leaves load distribution；
D. the design of impeller blade is completed using ternary indirect problem method for designing, and using impeller outlet speed as vane inlet side
Boundary's condition completes the matched design of stator and impeller；
E. conduit outside molded line uses the preferable airfoil structure of hydrodynamic performance, catheter interior molded line to ensure using linear structure
The patency of the internal flow section of pump spray, and then complete pump-jet propulsor entirety sample design；
F. Fluid Mechanics Computation method is used, under conditions of flow viscosity effect is considered, pump-jet propulsor design sample is completed
Hydrodynamic performance calculating, quantitative efficiency and cavitation performance index；
G. the relation between design variable and pump spray performance is analyzed using response surface model, and analyzes the correlation between design variable
Property and sensitiveness and selection optimal design sample；
H. the performance test of optimal design sample is completed by model test method, the validity of design result is verified.
2. pump-jet propulsor multiple target fast optimal design method according to claim 1, it is characterised in that pump in step a
The import and export circular rector difference of class propeller determines the lift of propeller, and the height of lift determines the big of propeller acting ability
Small, lift Ht=ω (г 2- г 1)/(2g π), wherein ω represent angular speed, and г=2 π Rvu represent the circular rector of impeller section, subscript 1
Inlet and outlet position is represented with 2.
3. pump-jet propulsor multiple target fast optimal design method according to claim 1, it is characterised in that step d according to
The blade different cross section circular rector that step c determines and then can use pump three Dimensional Design journey along the regularity of distribution of meridian streamline
Sequence/software completes impeller blade exterior design；The design of stator matches with impeller, and vane inlet circular rector is equal to the outlet of impeller
Circular rector, stator outlet circulation is close to zero in theory；Load distribution according to impeller outlet circular rector and stator sample, can obtain
Circular rector to stator blade different cross section completes to lead along the meridian streamline regularity of distribution using pump three Dimensional Design program/software
The three Dimensional Design of leaf blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237449.5A CN106844878A (en) | 2016-12-28 | 2016-12-28 | Pump-jet propulsor multiple target fast optimal design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237449.5A CN106844878A (en) | 2016-12-28 | 2016-12-28 | Pump-jet propulsor multiple target fast optimal design method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106844878A true CN106844878A (en) | 2017-06-13 |
Family
ID=59112843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611237449.5A Pending CN106844878A (en) | 2016-12-28 | 2016-12-28 | Pump-jet propulsor multiple target fast optimal design method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106844878A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109145461A (en) * | 2018-08-28 | 2019-01-04 | 江苏大学 | A kind of sea water desalination high-pressure pump flow passage components design method for optimization of matching |
| CN109625226A (en) * | 2018-11-27 | 2019-04-16 | 北京理工大学 | A kind of axial-flow type high power density water jet propulsion pump design method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644141A (en) * | 2013-12-20 | 2014-03-19 | 中国农业大学 | Method for acquiring load distribution curve of blade of double-suction centrifugal pump |
| CN104112040A (en) * | 2014-06-26 | 2014-10-22 | 中国人民解放军海军工程大学 | Method for designing water-spraying boost pump hydraulic model for efficient and large-power-density ship |
| CN105818951A (en) * | 2016-01-12 | 2016-08-03 | 中国人民解放军海军工程大学 | Novel front laterally-inclined guide vane type pump spraying propeller and design method thereof |
-
2016
- 2016-12-28 CN CN201611237449.5A patent/CN106844878A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644141A (en) * | 2013-12-20 | 2014-03-19 | 中国农业大学 | Method for acquiring load distribution curve of blade of double-suction centrifugal pump |
| CN104112040A (en) * | 2014-06-26 | 2014-10-22 | 中国人民解放军海军工程大学 | Method for designing water-spraying boost pump hydraulic model for efficient and large-power-density ship |
| CN105818951A (en) * | 2016-01-12 | 2016-08-03 | 中国人民解放军海军工程大学 | Novel front laterally-inclined guide vane type pump spraying propeller and design method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109145461A (en) * | 2018-08-28 | 2019-01-04 | 江苏大学 | A kind of sea water desalination high-pressure pump flow passage components design method for optimization of matching |
| CN109625226A (en) * | 2018-11-27 | 2019-04-16 | 北京理工大学 | A kind of axial-flow type high power density water jet propulsion pump design method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104462652B (en) | A kind of design method of the integrated motor pump-jet propulsor hydraulic model of shaftless drive-type | |
| Bulten | Numerical analysis of a waterjet propulsion system | |
| CN104112040B (en) | Efficient and high power density water jet propulsion pump hydraulic model peculiar to vessel design method | |
| CN105818951B (en) | Novel preposition skew back guide-vane pump-jet propulsor and its design method | |
| Liu et al. | Sixty years of research on ship rudders: effects of design choices on rudder performance | |
| CN105117564A (en) | Pumpjetpropulsor hydraulic model with front stators circumferentially and asymmetrically arranged and design method thereof | |
| CN104573226A (en) | Propeller thrust modeling method for underwater vehicle | |
| Guo et al. | Numerical study on self-propulsion of a waterjet propelled trimaran | |
| CN106844878A (en) | Pump-jet propulsor multiple target fast optimal design method | |
| CN105545798A (en) | Design method of water-jet propulsion pump impeller | |
| Kulagin et al. | Physical and mathematical modeling in the field of high-velocity hydrodynamics in the experimental base of the krasnoyarsk hydroelectric plant | |
| CN109871595A (en) | A kind of design method of spiral case | |
| CN106886630B (en) | Pump jet propeller hydraulic model with shunting short blades and design method | |
| Goldschmied | Integrated hull design, boundary-layer control, and propulsion of submerged bodies | |
| Li et al. | The hydrodynamic performance analysis of a submarine with new pump-jet propulsor | |
| CN108733958B (en) | Low-noise 7-blade propeller hydraulic model for delaying cavitation onset and design method | |
| Dai et al. | Computation of an integrated ducted propulsor/stern performance in axisymmetric flow | |
| Qiu et al. | An integrated design system for turbomachinery | |
| He et al. | Analysis of a propeller wake flow field using viscous fluid mechanics | |
| CN205524904U (en) | Novel leading skew stator formula pump spouts propeller | |
| Kanemaru et al. | The Modeling of Hub Vortex for Numerical Analysis of Marine Propeller Using a Simple Surface Panel Method “SQCM” | |
| Horlock | Some recent research in turbo-machinery | |
| Seok et al. | Algorithm for performance analysis of vane-wheel using panel method | |
| CN110304226A (en) | Jet stream introduces the method for reducing Propeller noise before a kind of paddle | |
| CN112926148B (en) | Propeller airfoil aerodynamic shape design method considering influence of three-dimensional effect |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |