CN106759071A - Hydraulic model is improved plus rough body - Google Patents
Hydraulic model is improved plus rough body Download PDFInfo
- Publication number
- CN106759071A CN106759071A CN201710049374.6A CN201710049374A CN106759071A CN 106759071 A CN106759071 A CN 106759071A CN 201710049374 A CN201710049374 A CN 201710049374A CN 106759071 A CN106759071 A CN 106759071A
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- China
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- rough body
- inner core
- fluidization tower
- wing plate
- hydraulic model
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/02—Hydraulic models
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Improved the present invention relates to a kind of hydraulic model plus rough body, including inner core, wing plate, cross fluidization tower, stressed plate, force column, inner core outside is uniformly provided with several wing plates, inner core lower end connected fluidization tower, cross fluidization tower lower end connection force column, the junction socket stressed plate of fluidization tower and force column is crossed, the present invention is solved the problems, such as plus rough body is difficult positioning, stability difference well and is unable to accurate simulation natural river course.
Description
Technical field
Improved the present invention relates to a kind of hydraulic model plus rough body, belong to model test technical field.
Background technology
Plus rough is one of key technology of model test, most hydraulic models are required for plus rough could meet water
The resistance of sharp model is similar, therefore model adds the fine or not direct relation of rough effect the effect and precision of hydraulic model simulation.
Hydraulic model frequently with plus rough body have cobble, rubble, concrete cube, flat board and four-bladed vane etc., from grand
See from the point of view of angle, it adapts to flume test, play certain plus rough effect, so the discussion for microcosmic mechanism and research is more
Shortcoming, plus streaming for rough body is most important microprocess that it forms macroscopical resistance, research plus rough body are streamed for understanding mould
Type adds the rough microcosmic mechanism to have very important meaning, now use at present plus rough body there are problems that it is following some, it is existing to add
Rough volume morphing is irregular, and research rugosity numerical value cannot be accurately positioned；In theory analyze roughness when, it is necessary to according to plus rough body between
Different arrangement transfers and advance fitting roughness computing formula, on the one hand plus rough body existing plus rough body is difficult positioning well,
In irregular shape, on the other hand, existing plus rough body material also is difficult to profit and fastens with glue fixation, and glue is difficult to receive current long
Phase impacts；Existing triangle or blossom type add the rough body cannot be full symmetric due to itself plus rough external shape, for ebb experiment of rising
Two-way exact test cannot be accomplished, experiment adaptability is excessively dull；Existing plus rough body border changes for right angle, not fairshaped
Circular arc chamfering, easily causes the actual interference to testing current.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of hydraulic model and improves plus rough body, and the hydraulic model is improved plus rough
Body is solved the problems, such as plus rough body is difficult positioning, stability difference well and is unable to accurate simulation natural river course.
In order to solve the above-mentioned technical problem, hydraulic model of the invention improve plus rough body include inner core, wing plate, cross fluidization tower,
Stressed plate, force column, inner core outside are uniformly provided with several wing plates, and inner core lower end connected fluidization tower, cross the connection of fluidization tower lower end and receive
Power post, crosses the junction socket stressed plate of fluidization tower and force column.
The inner core, wing plate, fluidization tower, stressed plate, force column excessively are integrally formed.
The wing plate is fillet wing plate.
The wing plate is vertically arranged and the height of wing plate is highly equal with inner core.
The wing plate quantity is 6 pieces or 8 pieces.
The stressed plate is circle.
Improved using this hydraulic model plus rough body, with advantages below：
1st, because inner core lower end connected fluidization tower, riverbed laminar flow destruction can be so greatly reduced and can also simulates aquatic
The stalk of plant so that plus body simulation natural river course is more life-like.
2nd, due to crossing fluidization tower lower end connection force column, the junction socket stressed plate of fluidization tower and force column is crossed, stressed plate is
Circle, increasing stressed plate can stablize longitudinal force of the resistance overall structure under water impact, and circular configuration causes it at each
Can stablize stress on direction, increase force column to resist the cross force produced under water impact.Stressed plate and force column
It is combination stressed to cause to add the resistance to overturning of body to greatly enhance, it is ensured that plus body stabilization stress in model test, so as to protect
The roughness stabilization of model of a syndrome experiment so that river model test has repeatability, breaks through the nonrepeatability of model test.
3rd, because inner core outside is uniformly provided with several wing plates, wing plate is fillet wing plate, and water can be made using fillet wing plate
Stream is turned to by streamline, is reduced to experiment current interference, while also having certain resistance can to determine roughness, mould to current
Type tidal level, flow velocity are basically identical with natural, model preferably playback natural river course water movement rule, plus before and after rough body it is symmetrical
Unanimously, can under same base case, solve to rise ebb or shunting or when confluxing model test plus rough problem.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is structural representation of the invention.
Wherein have：1. inner core；2. wing plate；3. fluidization tower is crossed；4. stressed plate；5. force column.
Specific embodiment
The application is related to following technical characteristic：Inner core 1, excessively wing plate 2, fluidization tower 3, stressed plate 4, force column 5.
Hydraulic model shown in Fig. 1 is improved plus rough body, including inner core, excessively wing plate, fluidization tower, stressed plate, force column, inner core outside
Several wing plates are uniformly provided with, inner core lower end connected fluidization tower, cross fluidization tower lower end connection force column, cross the company of fluidization tower and force column
Connect place's socket stressed plate.
The inner core, wing plate, fluidization tower, stressed plate, force column excessively are integrally formed.
The wing plate is fillet wing plate.
The wing plate is vertically arranged and the height of wing plate is highly equal with inner core.
The wing plate quantity is 6 pieces or 8 pieces.
The stressed plate is circle.
There is the laminar flow of layer in riverbed surface due to natural river course, will if directly rough body will be added to be placed in riverbed surface
Destroy riverbed laminar flow structure, it is impossible to accurate simulation natural river course, increased fluidization tower, can be greatly reduced laminar flow destruction and
The stalk of water plant can also be simulated so that plus rough body simulation natural river course is more life-like.
Body whole height constituted due to inner core and wing plate plus rough is improved, and its own structure can not play the work of stability under loading
With, riverbed torque is increased under the impact of current, easily topple over.Increasing stressed plate can stablize resistance overall structure in current
The lower longitudinal force of impact, circular configuration cause its in all directions can stable stress, increase force column is in order to resist water
The lower cross force for producing of stream impact.Stressed plate and force column is combination stressed causes plus the resistance to overturning of rough body is greatly enhanced, protects
Card plus rough body the stabilization stress in model test, so as to ensure the roughness stabilization of model test so that river model test has
Repeatability, breaks through the nonrepeatability of model test.
Current can be made to be turned to by streamline using wing plate, plus rough body and adding set between rough body certain transfer and vertical
Away from its roughness has a larger adjusting range, and as the increase hydraulic resistance for adding rough spacing reduces, the amplitude of reduction is got over
Come smaller, be finally basically unchanged；Reynolds number in 3500 or so current intake resistance square areas, behind intake resistance square area, with
The increase hydraulic resistance of relative degree of flooding reduces, finally up to certain value.
Select any wing plate direction consistent with water (flow) direction, due to plus rough body before and after it is symmetrical, thus in treatment braided stream
Conflux plus the rough and model test at ebb tide of rising plus rough problem, should plus rough body there is preferable uniformity, can be very accurate
Determine stabilization adds roughness, is easy to experimental study.
It is prior art not have the technical characteristic for describing in detail in the application.Above-described embodiment only illustrative the application
Principle and its effect, not for limitation the application.Any person skilled in the art all can be in the essence without prejudice to the application
God and under the scope of, modifications and changes are carried out to above-described embodiment.Therefore, those of ordinary skill in the art is not taking off
All equivalent modifications completed under spirit disclosed herein with technological thought or change, should be by the right of the application
It is required that being covered.
Claims (6)
1. a kind of hydraulic model is improved plus rough body, it is characterised in that：Including inner core, wing plate, fluidization tower, stressed plate, force column are crossed, it is interior
Core outside is uniformly provided with several wing plates, and inner core lower end connected fluidization tower, crosses fluidization tower lower end connection force column, crosses fluidization tower and stress
The junction socket stressed plate of post.
2. improved plus rough body according to the hydraulic model described in claim 1, it is characterised in that：The inner core, wing plate, cross fluidization tower,
Stressed plate, force column are integrally formed.
3. improved plus rough body according to the hydraulic model described in claim 1, it is characterised in that：The wing plate is fillet wing plate.
4. improved plus rough body according to the hydraulic model described in claim 1, it is characterised in that：The wing plate is vertically arranged and wing plate
Height it is highly equal with inner core.
5. improved plus rough body according to the hydraulic model described in claim 1, it is characterised in that：The wing plate quantity is 6 pieces or 8
Block.
6. improved plus rough body according to the hydraulic model described in claim 1, it is characterised in that：The stressed plate is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049374.6A CN106759071B (en) | 2017-01-23 | 2017-01-23 | Hydraulic model improves plus rough body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049374.6A CN106759071B (en) | 2017-01-23 | 2017-01-23 | Hydraulic model improves plus rough body |
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| Publication Number | Publication Date |
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| CN106759071A true CN106759071A (en) | 2017-05-31 |
| CN106759071B CN106759071B (en) | 2019-10-15 |
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| CN201710049374.6A Active CN106759071B (en) | 2017-01-23 | 2017-01-23 | Hydraulic model improves plus rough body |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550669A (en) * | 2009-04-30 | 2009-10-07 | 上海大学 | Reinforced geogrid for earthwork |
| CN103526716A (en) * | 2013-10-25 | 2014-01-22 | 水利部交通运输部国家能源局南京水利科学研究院 | River model plastic grass roughening method |
| CN103643652A (en) * | 2013-10-29 | 2014-03-19 | 水利部交通运输部国家能源局南京水利科学研究院 | River work movable bed model test roughening method and roughening carriers |
| KR20140145345A (en) * | 2013-06-13 | 2014-12-23 | 한국건설기술연구원 | Simulation Apparatus for Natural River |
| CN105021791A (en) * | 2015-08-19 | 2015-11-04 | 中国水利水电科学研究院 | Method and device for simulating variable roughness factor ice cover in ice water dynamic test |
| CN204753484U (en) * | 2015-08-03 | 2015-11-11 | 宋为威 | River model improves and adds rough body |
| CN204803835U (en) * | 2015-05-14 | 2015-11-25 | 珠江水利委员会珠江水利科学研究院 | A pin -connected panel adds rough pole for hydraulics physical model |
| CN206204865U (en) * | 2016-10-12 | 2017-05-31 | 珠江水利委员会珠江水利科学研究院 | Side wall roughness hydraulics physical model easy to adjust |
-
2017
- 2017-01-23 CN CN201710049374.6A patent/CN106759071B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550669A (en) * | 2009-04-30 | 2009-10-07 | 上海大学 | Reinforced geogrid for earthwork |
| KR20140145345A (en) * | 2013-06-13 | 2014-12-23 | 한국건설기술연구원 | Simulation Apparatus for Natural River |
| CN103526716A (en) * | 2013-10-25 | 2014-01-22 | 水利部交通运输部国家能源局南京水利科学研究院 | River model plastic grass roughening method |
| CN103643652A (en) * | 2013-10-29 | 2014-03-19 | 水利部交通运输部国家能源局南京水利科学研究院 | River work movable bed model test roughening method and roughening carriers |
| CN204803835U (en) * | 2015-05-14 | 2015-11-25 | 珠江水利委员会珠江水利科学研究院 | A pin -connected panel adds rough pole for hydraulics physical model |
| CN204753484U (en) * | 2015-08-03 | 2015-11-11 | 宋为威 | River model improves and adds rough body |
| CN105021791A (en) * | 2015-08-19 | 2015-11-04 | 中国水利水电科学研究院 | Method and device for simulating variable roughness factor ice cover in ice water dynamic test |
| CN206204865U (en) * | 2016-10-12 | 2017-05-31 | 珠江水利委员会珠江水利科学研究院 | Side wall roughness hydraulics physical model easy to adjust |
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| CN106759071B (en) | 2019-10-15 |
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