CN107956710A - Vertical multi-stage impeller of pump Hydraulic Design Method based on interstage matched effect - Google Patents
Vertical multi-stage impeller of pump Hydraulic Design Method based on interstage matched effect Download PDFInfo
- Publication number
- CN107956710A CN107956710A CN201711408185.XA CN201711408185A CN107956710A CN 107956710 A CN107956710 A CN 107956710A CN 201711408185 A CN201711408185 A CN 201711408185A CN 107956710 A CN107956710 A CN 107956710A
- Authority
- CN
- China
- Prior art keywords
- mrow
- pump
- impeller
- msub
- mfrac
- 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.)
- Granted
Links
- 238000013461 design Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000000694 effects Effects 0.000 title claims abstract description 30
- 238000005457 optimization Methods 0.000 claims abstract description 11
- 238000005516 engineering process Methods 0.000 claims abstract description 10
- 230000008676 import Effects 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 10
- 238000004088 simulation Methods 0.000 claims description 6
- 238000013178 mathematical model Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 2
- 238000010835 comparative analysis Methods 0.000 claims description 2
- 230000002068 genetic effect Effects 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- 238000011160 research Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2216—Shape, geometry
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- Computer Hardware Design (AREA)
- Mechanical Engineering (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses the vertical multi-stage impeller of pump Hydraulic Design Method based on interstage matched effect, on the basis of multistage pump interstage matched effect is considered, with reference to external characteristics experiment and CFD technologies, using optimization algorithm and the maximum of weighted average power or the method for weighted average efficiency minimum value are calculated come the final optimum value for obtaining multi-level pump impeller inlet and outlet diameter and impeller outlet width.A kind of vertical multi-stage impeller of pump Hydraulic Design Method based on interstage matched effect proposed by the present invention, for the design method based on experience, sense datum is on the low side and theoretical foundation support is more reliable, a kind of brand-new idea and method is provided for the Hydraulic Design of multi-level pump impeller, to a certain extent can be with cost-effective.
Description
Technical field
The present invention relates to pump hydraulic design method, more particularly to a kind of vertical multi-stage impeller of pump based on interstage matched effect
Hydraulic Design Method.
Background technology
Multistage pump has more than two impellers in structure, compared to for traditional single-stage pump have higher lift,
And its advanced structure is reasonable, service life is long and good reliability, there is the pump discharge of higher again compared with traditional pump in addition,
Therefore it is widely used in a variety of industry production activities such as power plant boiler feedwater, petrochemical industry, mine drainage, is to realize height
Imitate the important guarantee of production.But due to the property of itself, carry out the design of multistage pump, using with maintenance in terms of
Suffer from stringenter technical requirements.
And in current multistage pump the Hydraulic Design, designer is often first designed and grinds to the hydraulic model of single-stage
Study carefully, multistage pump the Hydraulic Design target is then realized by the identical hydraulic model of series multistage.But multistage pump internal flow
For complicated Three-dimensional Flow, there are close matching effect, inflow condition at different levels and single-stage research for performance between level and level
Assuming that difference is very big, therefore, when carrying out the Hydraulic Design to multistage pump, consider that the matching effect between multistage pump stage is very necessary
's.
The existing patent No. 201010151536.5, entitled " a kind of multi-impeller combination hydraulic design method of multistage centrifugal pump "
Patent propose a kind of Multi-impeller combination Hydraulic Design Method, which refers to use in centrifugal multistage pump multiple centrifugal pump the Hydraulic Design
The mode of more than three kinds impeller hydraulic models combination, by suitably being matched to hydraulic model and impeller number, it is possible to achieve change and
Q-H curves are adjusted, are met the Q-H curves of required performance parameter, but do not relate to specifically join multi-level pump impeller
Several the Hydraulic Designs.
The existing patent No. 201510674177.4, entitled " the high matched multistage centrifugal pump of the inside and outside edge streamline of blade
The patent of Hydraulic Design Method " proposes a kind of Hydraulic Design Method to multistage centrifugal pump, the design method it is specific in
Hold to determine the main geometric parameters of multistage centrifugal pump, by the inside and outside edge Streamline Design of changeover portion into concentric circles, to outer rim
The changeover portion of streamline carries out same origin, angularly ray is divided equally, measures on corresponding outer rim molded line changeover portion each section respectively
Each section of mean radius in arc length and outer rim streamline changeover portion, and calculate each section of arc length on outer rim streamline changeover portion and correspond to
Cornerite, and using cornerite both wings transform methods design vane inside edge streamline, introduce mean deviation coefficient to calculate inner edge streamline
The theoretical length of inducer and outlet section, it is final to draw multistage centrifugal pump blade axial plane figure, but do not relate to examining
The Hydraulic Design is carried out to multi-level pump impeller on the basis of worry interstage matched effect.
For above-mentioned defect, the present inventor has invented a kind of " MODEL VERTICAL MULTISTAGE PUMP leaf based on interstage matched effect
Take turns Hydraulic Design Method ", the Hydraulic Design is carried out to impeller of pump relevant parameter on the basis of multistage pump interstage matched effect is considered,
Also tested by using external characteristics, iterative algorithm and CFD technologies obtain weighted average efficiency highest or the weighting under different operating modes
The optimum value of the minimum vertical multi-stage impeller of pump inlet and outlet diameter of mean power and exit width.
The content of the invention
The object of the invention：At present, in multistage pump the Hydraulic Design, designer often first carries out the hydraulic model of single-stage
Design and research, then realize multistage pump the Hydraulic Design target by the identical hydraulic model of series multistage.But multistage pump
Internal flow is complicated Three-dimensional Flow, and there are close matching effect, inflow condition and list at different levels for performance between level and level
The hypothesis difference of level research is very big, therefore, when carrying out the Hydraulic Design to multistage pump, considers that the matching effect between multistage pump stage is
It is very necessary.It is an object of the invention on the basis of multistage pump interstage matched effect is considered, to the several of multi-level pump impeller
What parameter carries out the Hydraulic Design, and tested by external characteristics, iterative algorithm and CFD technologies obtain the weighted average under different operating modes
Efficiency highest or weighted average power it is minimum vertical multi-stage impeller of pump inlet and outlet diameter and exit width optimum value, Jin Erwei
The Hydraulic Design Method of vertical multi-stage impeller of pump provides a kind of thinking so that the multi-level pump impeller of design more meets that hydraulic performance will
Summation is more in line with practice.
To solve the above-mentioned problems, the present invention provides a kind of vertical multi-stage impeller of pump waterpower based on interstage matched effect
Design method, the Hydraulic Design Method are tested, iteration is calculated on the basis of multistage pump interstage matched effect is considered by external characteristics
Method and CFD technologies obtain weighted average efficiency highest under different operating modes or the minimum vertical multi-stage impeller of pump of weighted average power
Import and export the optimum value of diameter and exit width.
To achieve the above objectives, the present invention adopts the following technical scheme that：
Using the vertical multi-level pump impeller import and export diameter D of iterative algorithm1、D2And blade exit width b2Number of iterations
Learn model to be solved, solve vertical multi-stage impeller of pump import and export diameter D1、D2With blade exit width b2One group to match
Disaggregation, then using CFD technologies obtain its weighted average efficiency highest or the minimum vertical multi-stage impeller of pump of weighted average power into,
Outlet diameter D1、D2With blade exit width b2One group of optimum value.
It is comprised the following steps that：
(1) MODEL VERTICAL MULTISTAGE PUMP external characteristics testing stand is built, flow, lift, the work(of MODEL VERTICAL MULTISTAGE PUMP under measuring and design operating mode
Rate and efficiency；
On the basis of interference between considering vertical multi-stage pump stage and interstage matched effect, vertical multi-level pump impeller geometric parameters
Number carries out the Hydraulic Design；MODEL VERTICAL MULTISTAGE PUMP is processed, and the stream under MODEL VERTICAL MULTISTAGE PUMP design conditions is measured in outer features Testbed
Amount, lift, power and efficiency.
(2) using CFD technologies to meeting that the interior flow field of one group of MODEL VERTICAL MULTISTAGE PUMP of external characteristics requirement carries out whole flow field number
Value calculates, and obtains their weighted average efficiency highest or the minimum one group of impeller import and export diameter D of weighted average power1、D2
With blade exit width b2The one group of optimum value to match；
Using CFD technologies to meeting that one group of MODEL VERTICAL MULTISTAGE PUMP model of external characteristics requirement carries out whole flow field numerical simulation, when
When the error of numerical simulation external characteristics result and result of the test is in allowed band, the group that comparative analysis is met the requirements is vertical more
The flow field situation of change of each single-stage impeller of level pump, and study specific influence of the impeller internal flow regimes at different levels on external characteristics
Size.
(3) using iterative algorithm to satisfactory vertical multi-stage impeller of pump import and export diameter D1、D2It is wide with blade exit
Spend b2Iterative mathematical model is solved, and solves vertical multi-stage impeller of pump import and export diameter D1、D2With blade exit width b2Phase
Matched disaggregation group, disaggregation group are one group of scope rather than some concrete numerical value；
Establish impeller inlet diameter quotient kD1's according to the flow Q of MODEL VERTICAL MULTISTAGE PUMP, lift H, rotating speed n and specific speed ns
Solution relation：
Similarly, the letter of impeller outlet diameter D2 is established by the flow Q of MODEL VERTICAL MULTISTAGE PUMP, lift H, rotating speed n and specific speed ns
Number solution relation：
Interference and the influence of interstage matched effect between the level of consideration multistage pump at this time,
Based on above functional relation, the mathematical model of impeller outlet width b2：
Wherein, influence of the multistage pump interstage matched effect to flowing, impeller outlet width are considered
(4) the weighted average efficiency value and weighted average power for each model of disaggregation group that iteration optimization obtains finally are calculated
Value, finds out and optimal meets weighted average efficiency highest or the minimum corresponding vertical multi-stage impeller of pump of model of weighted average power
Import and export diameter D1、D2With blade exit width b2The optimal solution to match.
The beneficial effects of the invention are as follows：
(1) on the basis of interstage matched effect is considered, vertical multistage centrifugal impeller of pump carries out the Hydraulic Design, by adding
Weight average efficiency highest or weighted average power is minimum finds the design parameter of corresponding vertical multi-stage impeller of pump, compared to logical
Normal consideration single-stage impeller progress the Hydraulic Design, then the vertical multi-stage impeller of pump obtained by way of series connection are more accurate；
(2) external characteristics is tested, CFD simulations and iterative algorithm are combined, and are carried for the Hydraulic Design of vertical multi-stage impeller of pump
A kind of Hydraulic Design Method has been supplied, has saved financial cost to a certain extent.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and detailed description.
Fig. 1 is the flow chart of the vertical multi-stage impeller of pump Hydraulic Design Method；
Fig. 2 is the water body three-dimensional modeling of MODEL VERTICAL MULTISTAGE PUMP first stage impeller in embodiment.
Specific implementation method
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this：
Embodiment：
The design discharge Q=4.8m3/h, rated lift H=8m, rotating speed n=for 4 grades of vertical pumps that one specific speed is 78
2800r/min。
(1) on the basis of interference between considering vertical multi-stage pump stage and interstage matched effect, vertical multi-level pump impeller is several
What parameter carries out the Hydraulic Design, and builds MODEL VERTICAL MULTISTAGE PUMP external characteristics testing stand, the stream of MODEL VERTICAL MULTISTAGE PUMP under measuring and design operating mode
Amount, lift, power and efficiency.
The impeller import and export diameter D being calculated using common Hydraulic Design Method1、D2And blade exit width b2
Value be 36.5mm, 102.5mm, 7mm respectively；The lift of MODEL VERTICAL MULTISTAGE PUMP, power and efficiency, obtain it under measuring and design operating mode
Value is respectively：H1=7.382m, P1=300W (single-stage), η=71%.
Mathematical model based on the vertical multi-stage impeller of pump major parameter of interference and interstage matched effect between level is as follows：
When the error of numerical simulation external characteristics result and result of the test is in allowed band, and test and analog result phase
When difference is smaller, corresponding impeller import and export diameter D1、D2And blade exit width b2One group it is matched value solution for 35mm,
104mm, 5mm, and corresponding lift, power and efficiency are respectively 7.4m, 298W (single-stage), 77.3%.
The performance number obtained after global optimization is less than the performance number before optimization, and efficiency value is more than the efficiency before optimization
Value, then the MODEL VERTICAL MULTISTAGE PUMP Impeller Design parameter value obtained after optimizing is optimal solution.
External characteristics result of the test and flow field result are combined by present embodiment, using optimization algorithm, comprehensive each side
Factor considers, the optimum value of impeller the Hydraulic Design parameter is finally calculated, is provided for the impeller the Hydraulic Design of MODEL VERTICAL MULTISTAGE PUMP
A kind of new approaches and method, it is cost-effective to a certain extent.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
- A kind of 1. vertical multi-stage impeller of pump Hydraulic Design Method based on interstage matched effect, it is characterised in that：The design method Realized by step in detail below：(1) build MODEL VERTICAL MULTISTAGE PUMP external characteristics testing stand, the flow of MODEL VERTICAL MULTISTAGE PUMP under measuring and design operating mode, lift, power and Efficiency；(2) whole flow field numerical computations are carried out to MODEL VERTICAL MULTISTAGE PUMP flow field under different operating modes using CFD technologies, obtains multistage centrifugal The weighted average of MODEL VERTICAL MULTISTAGE PUMP under the internal flow state of pump, and different operating modes；(3) if internal flow state and weighted average are unsatisfactory for requiring, using global optimization approach again vertical multistage The impeller import and export diameter D of pump1、D2With impeller outlet width b2Mathematical model solved, solve the leaf of MODEL VERTICAL MULTISTAGE PUMP Take turns import and export diameter D1、D2With impeller outlet width b2Pareto disaggregation；(4) global optimization is repeated, untill the internal flow state and weighted average of acquisition are met the requirements, is corresponded MODEL VERTICAL MULTISTAGE PUMP impeller import and export diameter D1、D2With impeller outlet width b2For Pareto optimal solutions.
- 2. the vertical multi-stage impeller of pump Hydraulic Design Method according to claim 1 based on interstage matched effect, its feature It is：In the step (1), MODEL VERTICAL MULTISTAGE PUMP external characteristics testing stand is built, the stream of MODEL VERTICAL MULTISTAGE PUMP under measuring and design operating mode Amount, lift, power and efficiency comprise the following steps that：(A) on the basis of interference between considering vertical multi-stage pump stage and interstage matched effect, vertical multi-level pump impeller geometric parameters Number carries out the Hydraulic Design；(B) the external characteristics testing stand of MODEL VERTICAL MULTISTAGE PUMP is built, and vertical multistage pump is processed；(C) whether the external characteristics that designed MODEL VERTICAL MULTISTAGE PUMP is tested in outer features Testbed meets the requirements.
- 3. the vertical multi-stage impeller of pump Hydraulic Design Method according to claim 1 based on interstage matched effect, its feature It is：In the step (2), the specific steps of whole flow field numerical computations are carried out to MODEL VERTICAL MULTISTAGE PUMP flow field under different operating modes It is as follows：(A) in the case where the external characteristics of one group of MODEL VERTICAL MULTISTAGE PUMP is met the requirements, meet that external characteristics will to the group using CFD technologies The model asked carries out whole flow field numerical simulation；(B) when the error of numerical simulation external characteristics result and result of the test is in allowed band, what comparative analysis was met the requirements The flow field situation of change of each single-stage impeller of this group of MODEL VERTICAL MULTISTAGE PUMP, and impeller internal flow regimes at different levels are studied to external characteristics The size specifically influenced；(C) efficiency value, performance number and the weighted average of the MODEL VERTICAL MULTISTAGE PUMP under different flow operating mode are calculated.
- 4. the vertical multi-stage impeller of pump Hydraulic Design Method according to claim 1 based on interstage matched effect, its feature It is：In the step (3), the impeller import and export diameter D of MODEL VERTICAL MULTISTAGE PUMP is solved1、D2With impeller outlet width b2's The specific method of Pareto solutions is as follows：(A) according to the flow Q of MODEL VERTICAL MULTISTAGE PUMP, lift H, rotating speed n and specific speed nsEstablish impeller inlet diameter quotient kD1Ask Solution relation：<mrow> <msub> <mi>k</mi> <msub> <mi>D</mi> <mn>1</mn> </msub> </msub> <mo>=</mo> <mfrac> <mrow> <mn>0.6158</mn> <msup> <mi>Q</mi> <mn>1.193</mn> </msup> </mrow> <mrow> <mn>1.061</mn> <msup> <mi>e</mi> <mrow> <mo>-</mo> <msup> <mrow> <mo>(</mo> <mfrac> <mrow> <mi>H</mi> <mo>-</mo> <mn>9.379</mn> </mrow> <mn>4.87</mn> </mfrac> <mo>)</mo> </mrow> <mn>2</mn> </msup> </mrow> </msup> </mrow> </mfrac> </mrow><mrow> <msub> <mi>D</mi> <mn>1</mn> </msub> <mo>=</mo> <mfrac> <mrow> <mn>0.6158</mn> <msup> <mi>Q</mi> <mn>1.193</mn> </msup> </mrow> <mrow> <mn>1.061</mn> <msup> <mi>e</mi> <mrow> <mo>-</mo> <msup> <mrow> <mo>(</mo> <mfrac> <mrow> <mi>H</mi> <mo>-</mo> <mn>9.379</mn> </mrow> <mn>4.87</mn> </mfrac> <mo>)</mo> </mrow> <mn>2</mn> </msup> </mrow> </msup> </mrow> </mfrac> <mroot> <mfrac> <mi>Q</mi> <mi>n</mi> </mfrac> <mn>3</mn> </mroot> </mrow>Similarly, by the flow Q of MODEL VERTICAL MULTISTAGE PUMP, lift H, rotating speed n and specific speed nsEstablish impeller outlet diameter D2Function solve Relation：<mrow> <msub> <mi>D</mi> <mn>2</mn> </msub> <mo>=</mo> <mfrac> <msub> <mi>k</mi> <mi>D</mi> </msub> <mrow> <mo>-</mo> <mn>0.003748</mn> <mi>H</mi> <mo>+</mo> <mn>1.025</mn> </mrow> </mfrac> <mroot> <mfrac> <mi>Q</mi> <mi>n</mi> </mfrac> <mn>3</mn> </mroot> </mrow>Wherein Interference and the influence of interstage matched effect between the level of consideration multistage pump at this time,Based on above functional relation, impeller outlet width b2Mathematical model：<mrow> <msub> <mi>b</mi> <mn>2</mn> </msub> <mo>=</mo> <mfrac> <mrow> <mn>0.003333</mn> <msup> <msub> <mi>n</mi> <mi>s</mi> </msub> <mn>2</mn> </msup> <mo>+</mo> <mn>0.2622</mn> <msub> <mi>n</mi> <mi>s</mi> </msub> <mo>-</mo> <mn>0.3638</mn> </mrow> <mrow> <msub> <mi>n</mi> <mi>s</mi> </msub> <mo>-</mo> <mn>1.332</mn> </mrow> </mfrac> <msub> <mi>k</mi> <msub> <mi>b</mi> <mn>2</mn> </msub> </msub> <mroot> <mfrac> <mi>Q</mi> <mi>n</mi> </mfrac> <mn>3</mn> </mroot> </mrow>Wherein, influence of the multistage pump interstage matched effect to flowing, impeller outlet width are considered(B) the internal flow state of model and weighted average as obtained meet the area requirement specified, then corresponding vertical The impeller import and export diameter D of formula multistage pump1、D2With impeller outlet width b2For Pareto optimal solutions；Internal flow state and weighted average such as the model of acquisition are unsatisfactory for the area requirement specified, then repeat global excellent Change, the impeller import and export diameter D until finally obtaining the MODEL VERTICAL MULTISTAGE PUMP met the requirements1、D2With impeller outlet width b2For Untill Pareto optimal solutions.
- 5. vertical multi-stage impeller of pump Hydraulic Design Method according to claim 1, it is characterised in that：The weighted average It is weighting efficiency average value or weighted power average value.
- 6. vertical multi-stage impeller of pump Hydraulic Design Method according to claim 1, it is characterised in that：The global optimization is calculated Method is genetic algorithm or particle cluster algorithm.
- 7. the vertical multi-stage impeller of pump Hydraulic Design Method according to claim 1 or 4, it is characterised in that：The weighting is flat The area requirement that average meets to specify refers to：The weighted average efficiency value of calculating is higher than the weighted average efficiency value before optimization, or Weighted average performance number is less than the weighted average performance number before optimization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408185.XA CN107956710B (en) | 2017-12-22 | 2017-12-22 | Vertical multi-stage impeller of pump Hydraulic Design Method based on interstage matched effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408185.XA CN107956710B (en) | 2017-12-22 | 2017-12-22 | Vertical multi-stage impeller of pump Hydraulic Design Method based on interstage matched effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107956710A true CN107956710A (en) | 2018-04-24 |
| CN107956710B CN107956710B (en) | 2019-11-19 |
Family
ID=61956829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711408185.XA Active CN107956710B (en) | 2017-12-22 | 2017-12-22 | Vertical multi-stage impeller of pump Hydraulic Design Method based on interstage matched effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107956710B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109446576A (en) * | 2018-09-27 | 2019-03-08 | 西华大学 | Iterative calculation method for geometric parameters of centrifugal impeller with saturated power characteristics |
| CN111734649A (en) * | 2020-06-19 | 2020-10-02 | 上海电气凯士比核电泵阀有限公司 | Test method and test equipment for hydraulic model combination of rotary power pump |
| CN112594064A (en) * | 2020-11-25 | 2021-04-02 | 北京航空航天大学 | S2 flow field diagnosis method based on interstage measurement parameters of axial flow compressor |
| CN113885310A (en) * | 2020-07-01 | 2022-01-04 | 东北大学 | Intelligent control system for vacuum dry pump test |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734209A (en) * | 2012-06-29 | 2012-10-17 | 江苏国泉泵业制造有限公司 | Design method of efficient screw centrifugal pump impeller |
| CN104613003A (en) * | 2014-11-26 | 2015-05-13 | 江苏大学 | Hydraulic design method for low-specific-speed overload-free centrifugal pump impeller |
| CN105156360A (en) * | 2015-09-22 | 2015-12-16 | 江苏大学 | Hydraulic optimization method for flow channel type guide vane of multistage centrifugal pump under multiple working conditions |
| CN105179307A (en) * | 2015-10-13 | 2015-12-23 | 江苏国泉泵业制造有限公司 | Wear-resistance centrifugal slurry pump impeller hydraulic design method |
| CN105205259A (en) * | 2015-09-22 | 2015-12-30 | 江苏大学 | Method for designing blade inlet installing angle of flow channel type guide blade of multistage centrifugal pump |
| CN105240310A (en) * | 2015-12-03 | 2016-01-13 | 浙江工业大学之江学院 | Hydraulic design method for double-blade non-block centrifugal impeller |
-
2017
- 2017-12-22 CN CN201711408185.XA patent/CN107956710B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734209A (en) * | 2012-06-29 | 2012-10-17 | 江苏国泉泵业制造有限公司 | Design method of efficient screw centrifugal pump impeller |
| CN104613003A (en) * | 2014-11-26 | 2015-05-13 | 江苏大学 | Hydraulic design method for low-specific-speed overload-free centrifugal pump impeller |
| CN105156360A (en) * | 2015-09-22 | 2015-12-16 | 江苏大学 | Hydraulic optimization method for flow channel type guide vane of multistage centrifugal pump under multiple working conditions |
| CN105205259A (en) * | 2015-09-22 | 2015-12-30 | 江苏大学 | Method for designing blade inlet installing angle of flow channel type guide blade of multistage centrifugal pump |
| CN105179307A (en) * | 2015-10-13 | 2015-12-23 | 江苏国泉泵业制造有限公司 | Wear-resistance centrifugal slurry pump impeller hydraulic design method |
| CN105240310A (en) * | 2015-12-03 | 2016-01-13 | 浙江工业大学之江学院 | Hydraulic design method for double-blade non-block centrifugal impeller |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109446576A (en) * | 2018-09-27 | 2019-03-08 | 西华大学 | Iterative calculation method for geometric parameters of centrifugal impeller with saturated power characteristics |
| CN111734649A (en) * | 2020-06-19 | 2020-10-02 | 上海电气凯士比核电泵阀有限公司 | Test method and test equipment for hydraulic model combination of rotary power pump |
| CN111734649B (en) * | 2020-06-19 | 2021-08-27 | 上海电气凯士比核电泵阀有限公司 | Test method and test equipment for hydraulic model combination of rotary power pump |
| CN113885310A (en) * | 2020-07-01 | 2022-01-04 | 东北大学 | Intelligent control system for vacuum dry pump test |
| CN113885310B (en) * | 2020-07-01 | 2023-03-28 | 东北大学 | Intelligent control system for vacuum dry pump test |
| CN112594064A (en) * | 2020-11-25 | 2021-04-02 | 北京航空航天大学 | S2 flow field diagnosis method based on interstage measurement parameters of axial flow compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107956710B (en) | 2019-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107956710A (en) | Vertical multi-stage impeller of pump Hydraulic Design Method based on interstage matched effect | |
| CN105179303B (en) | Axial flow pump impeller all-operating-condition design method | |
| CN102608914B (en) | Optimization design method of radial-flow-type hydraulic turbine | |
| CN105156360B (en) | A kind of centrifugal multistage pump multiple centrifugal pump flow channel type guide blade multi-state hydraulic optimization method | |
| CN106194819B (en) | A kind of design method of the Double-way axial flow impeller of pump based on oblique V symmetrical airfoil | |
| CN111486116B (en) | Method and system for designing three-dimensional flow impeller of low-specific-speed centrifugal blower | |
| CN109598081B (en) | Aerodynamic optimization method for radial turbines based on data dimensionality reduction and multiple two-dimensional flow surfaces | |
| CN105485057B (en) | A hydraulic design method for radial guide vanes of an oblique flow pump | |
| CN103939389A (en) | Multiple-working-condition hydraulic design method for guide vane type centrifugal pump | |
| CN105205259B (en) | A kind of centrifugal multistage pump multiple centrifugal pump flow channel type guide blade vane inlet laying angle design method | |
| CN113177271B (en) | Matching optimization method for improving performance and hump instability of large vertical centrifugal pump | |
| CN112784370B (en) | Design method of space guide vane of multistage centrifugal pump | |
| CN107679270A (en) | Centrifugal compressor Optimization Design and system | |
| CN113653649B (en) | Interstage flow channel structure for improving performance of secondary impeller of multi-stage pump | |
| CN107122512A (en) | Liquid rotary pump unstable state gas flowfield and the simplified calculation method for sucking compression performance | |
| CN104533828B (en) | A kind of reversible axial flow pump Hydraulic Design Method | |
| CN111046504B (en) | Low-noise optimization method suitable for geometric parameters of bionic vane pump | |
| CN112761969A (en) | Optimization method for structural parameters of centrifugal pump | |
| CN104699888B (en) | A Design Method of Hydraulic Turbine Based on Pump Turbine | |
| Yin et al. | Performance prediction and flow analysis in the vaned distributor of a pump turbine under low flow rate in pump mode | |
| CN108757568B (en) | Axial fan blade | |
| CN107066686B (en) | Axial flow pump impeller hydraulic optimization design method based on genetic algorithm | |
| CN104235055B (en) | A kind of hydraulic model method for designing of big diameter elbow slurry circulating pump | |
| CN105604953B (en) | A kind of multi-level pump impeller dislocation method for arranging based on vibration optimization | |
| RU2757242C1 (en) | Radial-axial hydraulic turbine and method for manufacture thereof |
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 |