CN106759071B - Hydraulic model improves plus rough body - Google Patents
Hydraulic model improves plus rough body Download PDFInfo
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- CN106759071B CN106759071B CN201710049374.6A CN201710049374A CN106759071B CN 106759071 B CN106759071 B CN 106759071B CN 201710049374 A CN201710049374 A CN 201710049374A CN 106759071 B CN106759071 B CN 106759071B
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- rough body
- inner core
- fluidization tower
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- wing plate
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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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Abstract
It is improved the present invention relates to a kind of hydraulic model and adds rough body, including inner core, wing plate, cross fluidization tower, stressed plate, force column, several wing plates are uniformly provided on the outside of inner core, 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 solves the problems, such as plus rough body is not easy positioning well, stability difference and is unable to accurate simulation natural river course.
Description
Technical field
It is improved the present invention relates to a kind of hydraulic model and adds rough body, belong to model test technical field.
Background technique
Adding rough is one of key technology of model test, and most hydraulic models require plus rough are just able to satisfy water
The resistance of sharp model is similar, therefore model adds the quality of rough effect to be directly related to effect and precision that hydraulic model is simulated.
Hydraulic model frequently with plus rough body have cobble, rubble, concrete cube, plate and four-bladed vane etc., from macro
From the point of view of seeing angle, flume test is adapted to, plays certain plus rough effect, so more for the discussion of microcosmic mechanism and research
Shortcoming, adding streaming for rough body is its most important microprocess for forming macroscopical resistance, and research plus rough body are streamed for recognizing mould
Type adds rough microcosmic mechanism to have very important meaning, and existing used at present plus rough body has following some problems, existing to add
Rough volume morphing is irregular, and research rugosity numerical value can not be accurately positioned；When theoretically analyzing roughness, need between basis plus rough body
Different arrangement transfers and advance be fitted roughness calculation formula, on the one hand plus rough body existing plus rough body is difficult to position well,
In irregular shape, on the other hand, existing plus rough body material, which is also difficult with glue, pastes and fixes, and glue be difficult to receive water flow it is long
Phase impact；Existing triangle or blossom type add rough body since it adds rough external shape can not be full symmetric, for ebb test of rising
It can not accomplish two-way exact test, test adaptability is excessively dull；Existing plus rough body boundary is right angle variation, not fairshaped
Circular arc chamfering easily causes the actual interference to test water flow.
Summary of the invention
It is improved the technical problem to be solved in the present invention is to provide a kind of hydraulic model plus rough body, hydraulic model improvement adds rough
Body solves the problems, such as plus rough body is not easy positioning well, stability difference 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 are uniformly provided with several wing plates on the outside of inner core, and inner core lower end connected fluidization tower, cross the connection of fluidization tower lower end by
Power column, the junction for crossing fluidization tower and force column are socketed stressed plate.
The inner core, wing plate cross fluidization tower, stressed plate, force column integrated molding.
The wing plate is fillet wing plate.
The wing plate is vertically arranged and the height of wing plate is equal with the height of inner core.
The wing plate quantity is 6 pieces or 8 pieces.
The stressed plate is circle.
It is improved using this hydraulic model and adds rough body, had the advantage that
1, since inner core lower end connected fluidization tower, riverbed laminar flow can be greatly reduced in this way and destroy and can also simulate
The stalk of water plant so that plus body simulation natural river course it is more life-like.
2, force column is connected due to crossing fluidization tower lower end, the junction for crossing fluidization tower and force column is socketed stressed plate, and stressed plate is
Circle, the longitudinal force for resisting overall structure under water impact can be stablized by increasing stressed plate, and circular configuration makes it each
Stress can be stablized on direction, increase force column to resist the cross force generated under water impact.Stressed plate and force column
It is combination stressed that the overall stability for adding body is greatly enhanced, guarantee plus body stablizes stress in model test, to protect
The roughness of model of a syndrome test is stablized, so that river model test has repeatability, breaks through the nonrepeatability of model test.
3, due to being uniformly provided with several wing plates on the outside of inner core, wing plate is fillet wing plate, can make water using fillet wing plate
Stream is turned to by streamline, is reduced to test water flow interference, while also there is certain resistance can determine roughness, mould water flow
Type tidal level, flow velocity and natural almost the same, model preferably playback natural river course water flow movement rule add symmetrical before and after rough body
Unanimously, can under same base case, solve the problems, such as to rise ebb or shunting or confluence when model test plus it is rough.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is structural schematic diagram of the invention.
Wherein have: 1. inner cores；2. wing plate；3. crossing fluidization tower；4. stressed plate；5. force column.
Specific embodiment
This application involves following technical characteristics: inner core 1, crosses fluidization tower 3, stressed plate 4, force column 5 at wing plate 2.
Hydraulic model shown in Fig. 1 improves plus rough body, including inner core, wing plate, excessively fluidization tower, stressed plate, force column, on the outside of inner core
Several wing plates are uniformly provided with, inner core lower end connected fluidization tower, crosses fluidization tower lower end and connects force column, crosses the company of fluidization tower and force column
Connect place's socket stressed plate.
The inner core, wing plate cross fluidization tower, stressed plate, force column integrated molding.
The wing plate is fillet wing plate.
The wing plate is vertically arranged and the height of wing plate is equal with the height of inner core.
The wing plate quantity is 6 pieces or 8 pieces.
The stressed plate is circle.
It, will if directly rough body will be added to be placed in riverbed surface since natural river course has in riverbed surface the laminar flow of layer
Destroy riverbed laminar flow structure, be unable to accurate simulation natural river course, increased fluidization tower, can be greatly reduced laminar flow destroy and
The stalk of water plant can also be simulated so that plus rough body simulation natural river course it is more life-like.
Body whole height formed due to inner core and wing plate plus rough is improved, its own structure cannot play the work of stability under loading
With, under the impact of water flow to riverbed torque increase, be easy to topple over.Resistance overall structure can be stablized in water flow by increasing stressed plate
The lower longitudinal force of impact, circular configuration make its in all directions can stablize stress, increase force column is in order to resist water
The lower cross force generated of stream impact.Stressed plate and force column is combination stressed makes plus the overall stability of rough body greatly enhances, is protected
Card plus rough body stablize stress in model test, to guarantee that the roughness of model test is stablized, so that river model test has
Repeatability breaks through the nonrepeatability of model test.
Water flow can be made to turn to by streamline using wing plate, rough body and adding is added to set certain transfer and vertical between rough body
Away from roughness has a biggish adjusting range, and with adding the increase hydraulic resistance of rough spacing to reduce, reduced amplitude is got over
It is next smaller, finally it is basically unchanged；Reynolds number behind 3500 or so water flow intake resistance square areas, intake resistance square area, with
The increase hydraulic resistance of opposite degree of flooding reduces, and finally reaches certain value.
Select any wing plate direction consistent with water (flow) direction, due to adding rough body front and back symmetrical, thus in processing braided stream
Confluence plus the rough and model test at ebb tide of rising plus rough problem, should plus rough body there is preferable consistency, can very accurately
Stable plus roughness is determined, experimental study is convenient for.
Not having the technical characteristic being described in detail in the application is the prior art.The application is only illustrated in above-described embodiment
Principles and effects, not for limitation the application.Any person skilled in the art all can be in the essence without prejudice to the application
Mind and under the scope of, carry out modifications and changes to above-described embodiment.Therefore, those of ordinary skill in the art is not taking off
It, should be by the right of the application from all equivalent modifications or change completed under spirit and technical idea disclosed herein
It is required that being covered.
Claims (2)
1. a kind of hydraulic model improves plus rough body, it is characterised in that: including inner core, wing plate, fluidization tower, stressed plate and force column are crossed,
Several wing plates are uniformly provided on the outside of inner core；
Inner core lower end connected fluidization tower, and crossing fluidization tower can be reduced the stem that riverbed laminar flow destroys and can also simulate water plant,
So that plus rough body simulation natural river course it is more life-like；
Fluidization tower lower end connection force column is crossed, the junction for crossing fluidization tower and force column is socketed stressed plate, and stressed plate is circle；
The inner core, wing plate cross fluidization tower, stressed plate and force column integrated molding；
Stressed plate can stablize the longitudinal force for resisting overall structure under water impact, and the circular configuration of stressed plate makes plus rough body
Stress can be stablized in all directions, the cross force generated under water impact can be resisted by increasing force column；Stressed plate and by
Power column combination stress makes plus the enhancing of the overall stability of rough body, guarantees plus rough body stablizes stress in model test, to protect
The roughness of model of a syndrome test is stablized, so that river model test has repeatability, breaks through the nonrepeatability of model test；
Add rough body front and back symmetrical consistent, under same base case, can solve model test when rising by ebb or shunting or confluence
Add rough problem；The wing plate is fillet wing plate；
The wing plate is vertically arranged and the height of wing plate is equal with the height of inner core.
2. hydraulic model described in accordance with the claim 1 improves plus rough body, it is characterised in that: the wing plate quantity is 6 pieces or 8
Block.
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| CN201710049374.6A CN106759071B (en) | 2017-01-23 | 2017-01-23 | Hydraulic model improves plus rough body |
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| CN106759071B true CN106759071B (en) | 2019-10-15 |
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Citations (7)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101482527B1 (en) * | 2013-06-13 | 2015-01-16 | 한국건설기술연구원 | Simulation Apparatus for Natural River |
-
2017
- 2017-01-23 CN CN201710049374.6A patent/CN106759071B/en active Active
Patent Citations (7)
| 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 |
| 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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