CN110514399A - A kind of controllable single-phase flow flow field generating device of array - Google Patents
A kind of controllable single-phase flow flow field generating device of array Download PDFInfo
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- CN110514399A CN110514399A CN201910751804.8A CN201910751804A CN110514399A CN 110514399 A CN110514399 A CN 110514399A CN 201910751804 A CN201910751804 A CN 201910751804A CN 110514399 A CN110514399 A CN 110514399A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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Abstract
The invention discloses a kind of controllable single-phase flow flow field generating device of array, the single-phase flow is liquid, comprising: passes through the sequentially connected feed flow subsystem of pipeline, single-phase flow flow field control subsystem and array injection subsystem；The feed flow subsystem provides original single-phase flow for single-phase flow flow field control subsystem；The single-phase flow flow field control subsystem is used to the original single-phase flow that the feed flow subsystem provides being divided into the different single-phase flow tributary of more than two Field Characteristics；The Field Characteristics include: pressure and flow velocity；The array injection subsystem includes: to correspond the more than two array jet pipes to connect with more than two single-phase flow tributaries, single-phase flow tributary is ejected into flow-field test section by the array jet pipe, the single-phase stream of the array that the flow-field test section forms more than two single-phase flow tributaries carries out feature flow field test, after testing, array single-phase flow is discharged.
Description
Technical field
The present invention relates to fluid mechanics technologies, and in particular to a kind of controllable single-phase flow flow field generating device of array.
Background technique
Most hydrodynamic forces or fluid power often change with the difference of operating condition with the flow field in hydraulic machinery field,
This variation is often shown on certain feature flow fields, as the local pressure or flow velocity size in entrance flow field section and direction occur
Variation.Therefore carry out flow field experimental study to it or its flow field feature often need in test or measurement process
Change but controllable flow field, so as to simulate the flow field under different operating conditions as a result, also to guarantee simultaneously flow field accuracy and
Controllability.
Summary of the invention
In view of this, the present invention provides a kind of controllable single-phase flow flow field generating device of array, by adjust pressure and/
Or flow, the array arrangement mode of fit with nozzle, the controllable single-phase flow flow field of array of setting rule can be generated.
The technical solution of the present invention is as follows: a kind of controllable single-phase flow flow field generating device of array, the single-phase flow is liquid,
It include: by the sequentially connected feed flow subsystem of pipeline, single-phase flow flow field control subsystem and array injection subsystem；
The feed flow subsystem provides original single-phase flow for single-phase flow flow field control subsystem；
The single-phase flow flow field control subsystem is used to the original single-phase flow that the feed flow subsystem provides being divided into two
The different single-phase flow tributary of the above Field Characteristics；The Field Characteristics include: pressure and flow velocity；
The array injection subsystem includes: to correspond the more than two battle arrays to connect with more than two single-phase flow tributaries
Single-phase flow tributary is ejected into flow-field test section by column jet pipe, the array jet pipe, and the flow-field test section is to two or more
The single-phase stream of the array that single-phase flow tributary is formed carries out feature flow field test, and after testing, array single-phase flow is discharged.
As a preferred embodiment, the single-phase flow flow field control subsystem includes the flowing control more than two being set side by side
Unit processed, the flowing control unit connects one to one with the array jet pipe, for controlling corresponding array
The pressure and/or flow velocity in the single-phase flow tributary in jet pipe.
As a preferred embodiment, the flowing control unit includes that pressure adjustable pump and setting are pumped out in pressure adjustable
Electric-hydraulic proportion electromagnetic relief valve and/or electronic proportional directional valve on mouth pipeline, wherein the pressure adjustable pump is right for its
The array jet pipe answered provides pressure and liquid flowing kinetic energy, and the electric-hydraulic proportion electromagnetic relief valve is corresponding for controlling
The injection pressure of array jet pipe, the electronic proportional directional valve is for controlling through corresponding array jet pipe
Flow, and then control the flow velocity of corresponding array jet pipe.
As a preferred embodiment, the feed flow subsystem includes filter and the pressure vessel equipped with liquid, wherein institute
It states pressure vessel and is connected to respectively with the pressure adjustable pump in each flowing control unit by being equipped with the pipeline of filter, wherein
The filter is for filtering liquid；The pressure vessel is used to provide the original single-phase flow with steady pressure value.
As a preferred embodiment, the feed flow subsystem further includes heat exchanger, the heat exchanger and filter string
Connection, for controlling the temperature of liquid provided by feed flow subsystem.
As a preferred embodiment, the array injection subsystem includes inserting plate and more than two jet pipes, described to insert
More than two holes arranged according to array are provided in loading board, more than two jet pipes and more than two hole one-to-one correspondence can
Disassembly is mounted on inserting plate, and the nozzle of jet pipe is towards flow-field test section.
As a preferred embodiment, the array injection subsystem further includes flow conditioner, is both ends open
Tube structure, one end opening connect and seal with the nozzle of array jet pipe, and another end opening is connect simultaneously with flow-field test section
Sealing, center is equipped with the honeycomb structure of the grid composition of setting intensity, for reducing or eliminating the spray of array injection subsystem
To the whirlpool of the array single-phase flow of flow-field test section.
As a preferred embodiment, according to the feature for being modeled flow field, the hole inserted on plate is arranged in round, square
Shape and falcate.
As a preferred embodiment, further includes: flow adjusts subsystem, and it includes: to pass through pipe that the flow, which adjusts subsystem,
The concatenated one-way throttle valve in road and overflow valve, wherein the one-way throttle valve is used to control the flow to outside outflow and makes list
One-way conduction aerial drainage outside phase flow direction；The overflow valve fills the controllable single-phase flow flow field for adjusting aerial drainage pressure
Set the back pressure for keeping given threshold.
As a preferred embodiment, the flow-field test section uses the shell of transparent material, for observing single-phase flow flowing
Structure.
The utility model has the advantages that
(1) present invention adjusts the specific pressure and/or flow of multiple pipelines by controlling single-phase flow flow field control subsystem,
The array arrangement mode of fit with nozzle simultaneously can according to need the controllable single-phase flow flow field of array for generating setting rule.
(2) inserting plate of the invention and jet pipe are design for disassembly, are adapted to the demand in different experiments flow field.
(3) flow conditioner of the invention can be substantially reduced or eliminate whirlpool, available relatively stable and accurate
Single-phase flow flow field.
(4) test experiments section of the invention selects the material of transparent material, can be in order to observing flow field structure and carry out phase
Close flow field survey test.
Detailed description of the invention
Fig. 1 is the structure composition schematic diagram of the controllable single-phase flow flow field generating device of array of the present invention.
Fig. 2 is the structure composition schematic diagram of array injection subsystem in the present invention.
Wherein, 1- pressure vessel, 2- filter, 3- heat exchanger, 4- pressure adjustable pump, 5- electric-hydraulic proportion electromagnetism overflow
Valve, the electronic proportional directional valve of 6-, 7- array jet pipe, 8- flow conditioner, 9- flow-field test section, 10- one-way throttle valve,
11- overflow valve, 12- insert plate
Specific embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
A kind of controllable single-phase flow flow field generating device of array is present embodiments provided, by adjusting pressure and/or flow,
The arrangement position of fit with nozzle, can generate the controllable single-phase flow flow field of array of setting rule, and single-phase flow therein is liquid.
As shown in Figure 1, the controllable single-phase flow flow field generating device of the array includes feed flow for passing sequentially through piping connection
System, single-phase flow flow field control subsystem and array injection subsystem, wherein feed flow subsystem is single-phase flow flow field control
System provides original single-phase flow, and the original single-phase flow that single-phase flow flow field control subsystem is used to provide feed flow subsystem is divided into two
(Field Characteristics include pressure and flow velocity, and Field Characteristics difference can be only to press in a above Field Characteristics different single-phase flow tributary
Power is different, only flow velocity difference or pressure and flow velocity are all different), array injection subsystem includes and more than two single-phase flow branch
Stream corresponds the more than two array jet pipes 7 to connect, and single-phase flow tributary is ejected into flow field and surveyed by the nozzle of array jet pipe 7
Section 9 is tried, the single-phase stream of array that 9 pairs of flow-field test section more than two single-phase flow tributaries are formed carries out feature flow field test (as pressed
Power test and/or flow velocity test etc.), after testing, array single-phase flow is discharged to outside device.
Further, the controllable single-phase flow flow field generating device of the array further includes that flow adjusts subsystem, and flow is adjusted
Subsystem is used to adjust the flow and pressure of array single-phase flow, and outlet back pressure is controlled in given threshold.
Further, single-phase flow flow field control subsystem includes the flowing control unit more than two being set side by side, flowing
Control unit is generalization module, and each flowing control unit is used to control the single-phase flow in corresponding array jet pipe 7
The pressure and/or flow velocity in tributary.
Further, flowing control unit includes pressure adjustable pump 4 and is arranged on pressure adjustable 4 export pipelines of pump
Electric-hydraulic proportion electromagnetic relief valve 5 and/or electronic proportional directional valve 6 are (electro-hydraulic when being only arranged on pressure adjustable 4 export pipelines of pump
When ratio electromagnetic relief valve 5, it is only used for adjusting the injection pressure of array jet pipe 7；It is only set on 4 export pipelines when pressure adjustable pumps
When setting electronic proportional directional valve 6, it is only used for adjusting the flow velocity of array jet pipe 7；When electric-hydraulic proportion electromagnetic relief valve 5 and electricity
When dynamic proportional directional valve 6 is sequentially connected in series on the export pipeline that pressure adjustable pump 4 is arranged in, for adjusting array spray simultaneously
The injection pressure and flow velocity of pipe 7), wherein pressure adjustable pump 4 provides pressure and liquid flowing for its corresponding array jet pipe 7
Kinetic energy, electric-hydraulic proportion electromagnetic relief valve 5 are used to accurately control the injection pressure of corresponding array jet pipe 7, electronic ratio
Flow control valve 6 controls corresponding array spray for accurately controlling the flow by corresponding array jet pipe 7
The flow velocity of pipe 7.
Further, feed flow subsystem includes filter 2 and the pressure vessel 1 equipped with liquid, and pressure vessel 1 is by being equipped with
The pipeline of filter 2 is connected to the pressure adjustable pump 4 in each flowing control unit respectively, wherein filter 2 is used for filtered fluid
Body guarantees the original single-phase flow bubble-free and other impurities that enter single-phase flow flow field control subsystem, and pressure vessel 1 is for providing
Original single-phase flow with steady pressure value.
Further, feed flow subsystem further includes heat exchanger 3, and the heat exchanger 3 is connected with filter 2, needs to control
When temperature processed, heat exchanger 3 can be used for controlling the temperature of original single-phase flow provided by feed flow subsystem, by original single-phase flow
Temperature controls in the operating temperature range of setting.
Further, array injection subsystem includes inserting plate 12 and more than two jet pipes, inserts and is provided on plate 12
The hole that two or more is arranged according to array, more than two jet pipes and more than two hole one-to-one correspondence are mounted on inserting plate 12
On, jet nozzle is towards flow-field test section 9.
Further, according to the feature for being modeled flow field, the hole inserted on plate 12 is arranged in round, rectangle and curved
The shapes such as month shape.
Further, array injection subsystem further includes flow conditioner 8, is the tube structure of both ends open,
Nozzle open at one end with array jet pipe 7 connect and seals, and another end opening connect and seals with flow-field test section 9, wherein
The honeycomb or rectangle or triangle or circular configuration that the grid that the heart is equipped with some strength forms, for being substantially reduced or eliminating whirlpool
Whirlpool, the array single-phase flow for making array injection subsystem spray to flow-field test section 9 are more stable.
Further, it includes passing through the concatenated one-way throttle valve 10 of pipeline and overflow valve 11 that flow, which adjusts subsystem, wherein
One-way throttle valve 10, which can control, flows out to external flow, and makes one-way conduction aerial drainage outside array type single phase flow direction, in turn
It can flow back to avoid liquid to flowing test section, overflow valve 11 can actively regulate aerial drainage pressure, keep the array controllably single-phase
Flow the back-pressure that flow field generating device keeps setting.
Further, flow-field test section 9 uses the shell of transparent material, for observing single-phase flow fluidal texture.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of controllable single-phase flow flow field generating device of array, the single-phase flow is liquid characterized by comprising is passed through
The sequentially connected feed flow subsystem of pipeline, single-phase flow flow field control subsystem and array injection subsystem；
The feed flow subsystem provides original single-phase flow for single-phase flow flow field control subsystem；
The single-phase flow flow field control subsystem is used to the original single-phase flow that the feed flow subsystem provides being divided into two or more
The different single-phase flow tributary of Field Characteristics；The Field Characteristics include: pressure and flow velocity；
The array injection subsystem includes: to correspond the more than two arrays to connect with more than two single-phase flow tributaries
Single-phase flow tributary is ejected into flow-field test section (9) by jet pipe (7), the array jet pipe (7), and the flow-field test section (9) is right
The single-phase stream of the array that more than two single-phase flow tributaries are formed carries out feature flow field test, after testing, array is single-phase
Stream discharge.
2. the controllable single-phase flow flow field generating device of array as described in claim 1, which is characterized in that the single-phase flow flow field
Control subsystem includes the flowing control unit more than two being set side by side, the flowing control unit and the array jet pipe
(7) it connects one to one, for controlling the pressure and/or flow velocity in the single-phase flow tributary in corresponding array jet pipe (7).
3. the controllable single-phase flow flow field generating device of array as claimed in claim 2, which is characterized in that the flowing control is single
Member includes the electric-hydraulic proportion electromagnetic relief valve (5) of pressure adjustable pump (4) and setting on pressure adjustable pump (4) export pipeline
And/or electronic proportional directional valve (6), wherein the pressure adjustable pump (4) is that its corresponding array jet pipe (7) provides
Pressure and liquid flow kinetic energy, and the electric-hydraulic proportion electromagnetic relief valve (5) is for controlling corresponding array jet pipe (7)
Pressure is sprayed, the electronic proportional directional valve (6) is used to control the flow by corresponding array jet pipe (7),
And then control the flow velocity of corresponding array jet pipe (7).
4. the controllable single-phase flow flow field generating device of array as claimed in claim 3, which is characterized in that the feed flow subsystem
Pressure vessel (1) including filter (2) and equipped with liquid, wherein the pressure vessel (1) is by being equipped with filter (2)
Pipeline is connected to the pressure adjustable pump (4) in each flowing control unit respectively, wherein the filter (2) is used for filtered fluid
Body；The pressure vessel (1) is used to provide the original single-phase flow with steady pressure value.
5. the controllable single-phase flow flow field generating device of array as claimed in claim 4, which is characterized in that the feed flow subsystem
It further include heat exchanger (3), the heat exchanger (3) is connected with filter (2), for controlling liquid provided by feed flow subsystem
The temperature of body.
6. the controllable single-phase flow flow field generating device of array as described in claim 1, which is characterized in that the array injection
Subsystem includes inserting plate (12) and more than two jet pipes, is provided with two or more on the inserting plate (12) and arranges according to array
The hole of cloth, more than two jet pipes and more than two hole one-to-one correspondence are removably mounted in inserting plate (12), the spray of jet pipe
Mouth is towards flow-field test section (9).
7. the controllable single-phase flow flow field generating device of array as claimed in claim 6, which is characterized in that the array injection
Subsystem further includes flow conditioner (8), for the tube structure of both ends open, one end opening and array jet pipe (7)
Nozzle is connected and is sealed, and another end opening connect and seals with flow-field test section (9), center be equipped with grid composition honeycomb or
Rectangle or triangle or circular configuration, the array of flow-field test section (9) is sprayed to for reducing or eliminating array injection subsystem
The whirlpool of formula single-phase flow.
8. the controllable single-phase flow flow field generating device of array as claimed in claim 6, which is characterized in that according to being modeled flow field
Feature, the hole on inserting plate (12) is arranged in round, rectangle and falcate.
9. the controllable single-phase flow flow field generating device of array as described in claim 1, which is characterized in that further include: flow tune
Sub-system, the flow adjust subsystem include: by the concatenated one-way throttle valve of pipeline (10) and overflow valve (11),
In, the one-way throttle valve (10) is used to control the flow to outside outflow and makes single-phase flow to external one-way conduction aerial drainage；Institute
Overflow valve (11) are stated for adjusting aerial drainage pressure.
10. the controllable single-phase flow flow field generating device of array as described in any one of claims 1-9, which is characterized in that institute
The shell that flow-field test section (9) use transparent material is stated, for observing array single-phase flow fluidal texture.
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| CN201910751804.8A CN110514399A (en) | 2019-08-15 | 2019-08-15 | A kind of controllable single-phase flow flow field generating device of array |
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| CN201910751804.8A CN110514399A (en) | 2019-08-15 | 2019-08-15 | A kind of controllable single-phase flow flow field generating device of array |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115031924A (en) * | 2022-04-21 | 2022-09-09 | 北京理工大学 | Combined cavitation generation and observation device |
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