CN107729699A - A kind of booster turbine impeller design optimization method based on MATLAB - Google Patents
A kind of booster turbine impeller design optimization method based on MATLAB Download PDFInfo
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- CN107729699A CN107729699A CN201711172898.0A CN201711172898A CN107729699A CN 107729699 A CN107729699 A CN 107729699A CN 201711172898 A CN201711172898 A CN 201711172898A CN 107729699 A CN107729699 A CN 107729699A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
Abstract
The invention belongs to the design optimization method technical field of booster turbine impeller, and in particular to a kind of booster turbine impeller design optimization method based on MATLAB, including step in detail below：One-dimensional design parameter and three-dimensional blades multi objective control scope the mass design data parameter of predetermined booster turbine impeller is input to Excel forms；The one-dimensional design parameter read module of turbine meridian plane, MATLAB reads the one-dimensional Excel list datas of turbine wheel editted in advance, the Excel list data contents of reading is imported into MATLAB working space, while MATLAB display data contents；By being stored in turbine leaf graphic data in Excel forms, Turbine flow result of calculation is emulated by CFD software, Excel forms progress data is returned and compares statistical analysis, finally obtain multivariant optimization scheme.
Description
Technical field
The invention belongs to the design optimization method technical field of booster turbine impeller, and in particular to one kind is based on MATLAB
Booster turbine impeller design optimization method.
Background technology
Conventional engines produce power by fuel in combustor inner cylinder work done, because the fuel quantity of input is inhaled
Enter the limitation of air capacity in cylinder, therefore power caused by engine can be also restricted, being further added by power output can only lead to
The more air of overcompression enter cylinder to increase fuel quantity, so as to improve burning capacity for work.It is exactly one that turbocharger, which is,
Kind can make engine increase the mechanical device of power output in the case where operating efficiency is constant, while effectively reduce engine
Fuel consumption.
Engine booster technology was developed rapidly in recent years, and supercharging technology is reducing discharge, hoisting power, high altitude
Can recover etc. plays an important role.
Core component of the turbine wheel as turbocharger, the wherein leaf pneumatic design of turbine wheel is turbine design
Key point, leaf design parameter is numerous, and parameter combination situation is complicated, and rule of thumb method carries out folk prescription to traditional design method more
Case designs, and this method calculating speed is slow, efficiency is low, and can not carry out multiple target parameter global optimization simultaneously.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of efficiency high, and can carry out multi-objective program turbine wheel ginseng
Number design, while carry out the design optimization method of the booster turbine impeller based on MATLAB of multiple-objection optimization.
Technical scheme is used by the present invention solves above-mentioned technical problem：
A kind of booster turbine impeller design optimization method based on MATLAB, comprises the following steps：
S1, one-dimensional design parameter and three-dimensional blades multi objective control the scope mass by predetermined booster turbine impeller
Design data parameter is input to Excel forms；
The one-dimensional design parameter read module of S2, turbine meridian plane reads the one-dimensional Excel forms number of turbine wheel editted in advance
According to, the Excel list data contents of reading are imported into MATLAB working space, while MATLAB display data contents；
S3, three-dimensional leaf design module read three-dimensional turbine multiple target mass design data parameter in Excel forms, MATLAB
According to three-dimensional turbine multiple target mass scope of design data parameters, turbine streamline is carried out to the one-dimensional leaf data of working space
Data are calculated, and MATLAB is shown to graphically to data result of calculation；
The Impeller Design protocol knot that S4, the output of multiple target mass result of calculation and data storage module calculate MATLAB
Fruit, with blade stream interface document format data, it is stored in Excel form documents；
S5, using the leaf design data of the turbine being stored in Excel form documents, be directly used in mapping software Direct Modeling.
Also include the three-dimensional leaf generation computational algorithm of establishment turbine wheel, turbine flow line number is according to calculating according to the calculating in S3
Algorithm is calculated.
MATLAB carries out integrity checking to the Excel list datas read in S2.
Also include visualization interface module, and the one-dimensional design ginseng of editor's booster turbine in advance in visualization interface module
Number dialog box, turbine three dimensional design input parameter dialog box and the leaf design result parameter dialog box of turbine.
The one-dimensional design parameter read module of turbine meridian plane in S2 can be by the Excel table contents read and visualization
The one-to-one mode of the data arrangement of respective dialog frame is assigned to the one-dimensional design module parameter dialog box of turbine in interface module；
The Impeller Design protocol knot that the output of multiple target mass result of calculation and data storage module in S4 calculate MATLAB
Fruit, with blade stream interface document format data, it is stored in Excel form documents, while with figure in visualization interface module
Interface display.
The leaf design data of turbine that multi-objective calculation result is stored in Excel form documents is straight for CAD software
Modeling and CFD flow fields modeling and simulating are connect, the CFD simulation calculations carried out using the batch impeller parameters data in target zone
As a result, return to Excel forms progress big data and compare statistical analysis, finally obtain multivariant optimization scheme.
Compared with prior art, beneficial effect possessed by the present invention is：
The one-dimensional design parameter of turbine wheel and turbine three dimensional design parameter are input to the Excel forms text specified by this method in advance
In part, and the running background of the leaf design optimization program of turbine wheel is realized by Calling MATLAB function, complete turbine and calculate
During substantial amounts of mathematical computations problem, by using the convenience of Excel forms, complete the turbine leaf of batch multiple target parameter
Wheel design, improves the leaf design efficiency of impeller, and in whole calculating process, and calculating parameter and result of calculation parameter pass through visual
The dialog box for changing interface module shows user, concise；By being stored in turbine leaf graphic data in Excel forms, pass through
CFD software emulates Turbine flow result of calculation, returns to Excel forms progress data and compares statistical analysis, finally obtains multi-scheme
Optimization scheme.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the present invention.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
As shown in figure 1, a kind of design optimization method of the booster turbine impeller based on MATLAB, the system design include
Read using the one-dimensional design parameter of the turbine of MATLAB/GUI Development of Module, three-dimensional leaf design calculates, multiple target mass knot
Fruit exports and data preserve.Its flow is：Data read module（The one-dimensional design parameter read module of turbine meridian plane）Read pre-
The one-dimensional parameter of turbine wheel that first edits simultaneously checked, and to read in data content judge whether it is correct；Data are read
The data content of reading is imported into MATLAB working space by modulus block, and display is visualized in visualization interface module,
Leaf computing module carries out three dimensional design according to default multiple target parameter area and carries out turbine flow line number according to calculating, multiple target batch
Change output turbo blade and calculate stream interface data file results, using the leaf design big data of turbine is stored, carry out mass CFD and imitate
Very, the optimization scheme of multiple target parameter is finally obtained.
Comprise the following steps that：
One-dimensional design parameter and three-dimensional blades mass the design data parameter of predetermined booster turbine impeller is inputted
To Excel forms；
Work out the three-dimensional leaf generation computational algorithm of turbine wheel；
The one-dimensional design parameter read module of turbine, MATLAB read the one-dimensional Excel list datas of turbine wheel editted in advance,
And the Excel list datas to being read carry out integrity checking, and the Excel list data contents of reading are imported into MATLAB
Working space in, while MATLAB display data contents；
Three-dimensional leaf design module, reads three-dimensional blades multiple target mass design data parameter in Excel forms, and MATLAB is pressed
According to three-dimensional blades multiple target mass scope of design data parameters, turbine flow line number is carried out to the one-dimensional leaf data of working space
According to calculating, calculate and carried out according to pre-defined three-dimensional leaf algorithm for design, MATLAB to data result of calculation to graphically
Show user；
The Impeller Design protocol result that multiple target mass result of calculation exports and data storage module calculates MATLAB,
With blade stream interface document format data, it is stored in Excel form documents；
Using the leaf design data of the turbine being stored in Excel form documents, CAD software Direct Modeling is directly used in, is utilized
The CFD simulation results that batch impeller parameters data in target zone are carried out, return to Excel forms and carry out big data
Compare statistical analysis, finally obtain multivariant optimization scheme.
The booster turbine impeller design optimization design system that is used for include visualization interface module, and in visualization interface
Booster turbine one-dimensional design parameter dialog box, impeller three dimensional design input parameter dialog box and impeller leaf are edited in module in advance
Shape design result parameter dialog box,
The one-dimensional design parameter read module of turbine can be by the Excel table contents read with mutually being tackled in visualization interface module
The one-to-one mode of data arrangement of words frame is assigned to the one-dimensional design module parameter dialog box of turbine；
The turbine design protocol result that data storage module calculates MATLAB, with blade stream interface document format data, is deposited
Storage is shown in Excel form documents in visualization interface module with graphical interfaces.
In the leaf design data of turbine being stored in system-computed result in Excel form documents, it is used directly for
CAD software Direct Modeling, while it is used for CFD flow fields modeling and simulating, while the CFD that mass impeller parameters data are carried out is imitated
True result of calculation, return to Excel forms progress data and compare statistical analysis, finally obtain multivariant optimization scheme.
Only presently preferred embodiments of the present invention is explained in detail above, but the present invention is not limited to above-described embodiment,
In those of ordinary skill in the art's possessed knowledge, it can also be made on the premise of present inventive concept is not departed from each
Kind change, various change should be included in the scope of the protection.
Claims (6)
1. a kind of booster turbine impeller design optimization method based on MATLAB, it is characterised in that comprise the following steps：
S1, one-dimensional design parameter and three-dimensional blades multi objective control the scope mass by predetermined booster turbine impeller
Design data parameter is input to Excel forms；
The one-dimensional design parameter read module of S2, turbine meridian plane reads the one-dimensional Excel forms number of turbine wheel editted in advance
According to, the Excel list data contents of reading are imported into MATLAB working space, while MATLAB display data contents；
S3, three-dimensional leaf design module read three-dimensional turbine multiple target mass design data parameter in Excel forms, MATLAB
According to three-dimensional turbine multiple target mass scope of design data parameters, turbine streamline is carried out to the one-dimensional leaf data of working space
Data are calculated, and MATLAB is shown to graphically to data result of calculation；
The Impeller Design protocol knot that S4, the output of multiple target mass result of calculation and data storage module calculate MATLAB
Fruit, with blade stream interface document format data, it is stored in Excel form documents；
S5, using the leaf design data of the turbine being stored in Excel form documents, be directly used in mapping software Direct Modeling.
2. a kind of booster turbine impeller design optimization method based on MATLAB according to claim 1, its feature exist
Turbine flow line number is according to calculating according to the computational algorithm in, in addition to the three-dimensional leaf generation computational algorithm of establishment turbine wheel, S3
Calculated.
3. a kind of booster turbine impeller design optimization method based on MATLAB according to claim 1, its feature exist
In MATLAB carries out integrity checking to the Excel list datas read in S2.
4. a kind of booster turbine impeller design optimization method based on MATLAB according to claim 1, its feature exist
In, in addition to visualization interface module, and editor's one-dimensional design parameter pair of booster turbine in advance in visualization interface module
Talk about frame, turbine three dimensional design input parameter dialog box and the leaf design result parameter dialog box of turbine.
5. a kind of booster turbine impeller design optimization method based on MATLAB according to claim 5, its feature exist
In the Excel table contents and visualization interface that the one-dimensional design parameter read module of turbine meridian plane in S2 will can be read
The one-to-one mode of the data arrangement of respective dialog frame is assigned to the one-dimensional design module parameter dialog box of turbine in module；In S4
The output of multiple target mass result of calculation and the data storage module Impeller Design protocol result that calculates MATLAB, with
Blade stream interface document format data, is stored in Excel form documents, while is shown in visualization interface module with graphical interfaces
Show.
A kind of 6. booster turbine impeller design optimization side based on MATLAB according to any one of claim 1-5
Method, it is characterised in that the leaf design data of turbine that multi-objective calculation result is stored in Excel form documents, for CAD
Software Direct Modeling and CFD flow fields modeling and simulating, the CFD carried out using the batch impeller parameters data in target zone are imitated
True result of calculation, return to Excel forms progress big data and compare statistical analysis, finally obtain multivariant optimization scheme.
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| CN201711172898.0A CN107729699B (en) | 2017-11-22 | 2017-11-22 | MATLAB-based supercharger turbine wheel design optimization method |
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| CN110781240A (en) * | 2019-11-04 | 2020-02-11 | 厦门大学 | Visual mining and application method of red tide data |
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