CN105225600A - Flow anomaly mechanism simulation experimental provision - Google Patents
Flow anomaly mechanism simulation experimental provision Download PDFInfo
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- CN105225600A CN105225600A CN201510702873.1A CN201510702873A CN105225600A CN 105225600 A CN105225600 A CN 105225600A CN 201510702873 A CN201510702873 A CN 201510702873A CN 105225600 A CN105225600 A CN 105225600A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
- G09B25/025—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery hydraulic; pneumatic
Abstract
The invention provides a kind of flow anomaly mechanism simulation experimental provision, comprise support bracket, be positioned at upper reserve tank on support bracket and charging pump, lower support bracket, the organic glass simulation box that is positioned at lower water tank under lower support bracket and lower water pump, is positioned at outer container on lower support bracket and outer container, organic glass simulation box slant setting, outer container is provided with freeing port and is communicated with lower water tank; The bottom of organic glass simulation box and sidewall are respectively equipped with intake-outlet and multiple sidewall drainpipe, in the inside of organic glass simulation box, be provided with the easy pervious bed in bottom, the easy pervious bed of middle aquitard and top from bottom to top successively, the top of organic glass simulation box is provided with Simulation of Precipitation device.Apparatus of the present invention can demonstrate super runoff mechanism of oozing surface runoff, subsurface runoff, run in depth and saturated surface runoff effectively, for the study of flow anomaly mechanism and research provide effective means.
Description
Technical field
The invention belongs to hydrogeological field, be specifically related to a kind of flow anomaly mechanism simulation experimental provision.
Background technology
Flow anomaly mechanism is the important content in " Hydrology and Water Resources " and correlated curriculum, at present when teaching this respect course content, generally only written explanation or diagram are carried out to knowledge point, experimental apparatus is not had to carry out relevant presentation, student is difficult to the understanding having perception, to the understanding of this part knowledge and Grasping level inadequate, be difficult to hold its essence.
Summary of the invention
The object of this invention is to provide a kind of easy flow anomaly mechanism simulation experimental provision, the forming process of various runoff mechanism can be demonstrated, student is helped to have one to be familiar with intuitively to the necessary condition of various runoff yield interface, runoff yield and adequate condition etc., and profoundly hold its essence, finally grasp this part knowledge exactly.
The technical solution adopted for the present invention to solve the technical problems is:
Flow anomaly mechanism simulation experimental provision, comprise support bracket, be positioned at upper reserve tank on support bracket and charging pump, lower support bracket, the organic glass simulation box that is positioned at lower water tank under lower support bracket and lower water pump, is positioned at outer container on lower support bracket and outer container, organic glass simulation box slant setting is inner at outer container, and outer container is provided with freeing port and is communicated with lower water tank; The bottom of described organic glass simulation box and sidewall are respectively equipped with intake-outlet and multiple sidewall drainpipe, in the inside of organic glass simulation box, be provided with the easy pervious bed in bottom, the easy pervious bed of middle aquitard and top from bottom to top successively, the top of organic glass simulation box is provided with Simulation of Precipitation device; Water in described upper reserve tank is communicated with Simulation of Precipitation device by charging pump; Upper reserve tank is communicated with lower water tank or with the intake-outlet of organic glass simulation box by drainpipe; Water in lower water tank is communicated with upper reserve tank by lower water pump.
The easy pervious bed in described top is coated with simulation artificial grass.
Further, described artificial grass is easy permeable turf.
The setting position of described sidewall drainpipe corresponds respectively to the easy pervious bed in bottom, middle aquitard, the easy pervious bed in top and manual simulation's turf.
Described sidewall drainpipe is provided with the valve of adjustable drain pipe hole size.
Described Simulation of Precipitation device experimentally can require the adjustment carrying out precipitation intensity.
Degree of tilt between bottom described organic glass simulation box and outer container is 0 ~ 30 degree.Preferably, described degree of tilt is 20 degree.
The easy pervious bed in described bottom adopts average medium sand, and middle aquitard adopts clayey silt, and the easy pervious bed in top adopts average fine sand.
To the invention solves in reality in " Hydrology and Water Resources " and correlated curriculum in the knowledge point teaching of flow anomaly mechanism without the problem that analogue experiment installation, student's indigestion and grasp relevant knowledge cause results of learning undesirable; Device of the present invention can demonstrate the forming process of various runoff mechanism, helps student to have one to be familiar with intuitively to the necessary condition of various runoff yield interface, runoff yield and adequate condition etc., and profoundly holds its essence, finally grasp this part knowledge exactly.
Apparatus of the present invention are easy to operate, visual strong, are applicable to super simulated experiment of oozing the runoff mechanism of surface runoff, subsurface runoff, run in depth and saturated surface runoff, for the study of flow anomaly mechanism and relevant knowledge and research provide effective means.
Apparatus of the present invention are reasonable in design, and structure is simple, easy to manufacture, take into account recycling of water body, decreases the waste of water resource, have good environmental consciousness in experimental design and operating process.
Accompanying drawing explanation
Fig. 1 is the structural representation of flow anomaly mechanism simulation experimental provision of the present invention;
Wherein, support bracket under 1-, 2-lower water tank, 3-outer container, 4-freeing port, 5-organic glass simulation box, the intake-outlet of 6-belt switch, the easy pervious bed in 7-bottom, aquitard in the middle of 8-, the easy pervious bed in 9-top, 10-manual simulation turf, the sidewall drainpipe of 11-belt switch, 12-Simulation of Precipitation device, 13-charging pump, the upper reserve tank of 14-, the upper support bracket of 15-, the drainpipe of 16-belt switch, water pump under 17-.
Embodiment
As shown in Figure 1, the flow anomaly mechanism simulation experimental provision of the present embodiment comprises support bracket 15, be positioned at the upper reserve tank 14 on support bracket 15 and charging pump 13, lower support bracket 1, be positioned at the lower water tank 2 under lower support bracket 1 and lower water pump 17, the organic glass simulation box 5 that the low dip being positioned at outer container 3 on lower support bracket and outer container 3 is arranged, the degree of tilt of organic glass simulation box 5 is an on-fixed angle, demand can be tested according to self, carrying out between 0 ~ 30 degree is selected, general selection correct tilt degree is 20 degree, it is too fast also too not slow that the degree of tilt choosing 20 degree can make rainwater not flow away on simulation earth's surface.
Wherein, outer container 3 bottom right side is provided with freeing port 4 and is communicated with lower water tank 2.The bottom of organic glass simulation box 5 and right side tank wall are respectively equipped with the intake-outlet 6 of belt switch and the sidewall drainpipe 11 of many row's belt switches, the surface that sidewall drainpipe 11 corresponds respectively to the easy pervious bed in bottom 7, middle aquitard 8, the easy pervious bed 9 in top and simulation artificial grass 10 is arranged on the right side tank wall of organic glass simulation box 5, sidewall drainpipe 11, with valve, can need according to simulation the hole size regulating sidewall drainpipe 11.
In the inside of organic glass simulation box 5, be provided with the easy pervious bed 7 in bottom of average medium sand simulation from bottom to top successively, the middle aquitard 8 of clayey silt simulation, (object of design surface relief is the out-of-flatness in order to embody ground to the easy pervious bed 9 in the top that the earth's surface that average fine sand is simulated slightly rises and falls, in runoff runoff yield simulation process, rainfall has one to fill out hollow process after producing, exactly water first to be filled up in low-lying place, then slowly earth's surface just has current to produce) and on the easy pervious bed 9 in top, being coated with simulation artificial grass 10, (simulation artificial grass 10 is easy permeable turf, the easy pervious bed 9 in top is shielded, play the effect preventing the easy pervious bed 9 in top from losing at simulated rainfall flows by action).
In addition, be provided with Simulation of Precipitation device 12 at the top of organic glass simulation box 5, Simulation of Precipitation device 12 can simulate the rainfall of varying strength as required, and the runoff process of surface runoff, subsurface runoff, run in depth and saturated surface runoff is oozed in simulation excess of export.
Water in upper reserve tank 14 is communicated with Simulation of Precipitation device 12 by charging pump 13, the drainpipe 16 of the belt switch bottom upper reserve tank 14 is put in lower water tank 2 time flat, when carrying out simulated experiment, be communicated with the intake-outlet 6 of the belt switch bottom organic glass simulation box 5 as required, the water in lower water tank 2 is communicated with upper reserve tank 14 by lower water pump 17.
In simulated experiment process, the runoff that organic glass simulation box 5 inside produces enters in the cavity on the right side of outer container 3 by sidewall drainpipe 11, entered in lower water tank 2 by freeing port 4 again, or runoff is directly entered in lower water tank 2 by the intake-outlet 6 of the belt switch of bottom.Water in lower water tank 2 is by reserve tank 14 in the suction of lower water pump 17.Upper reserve tank 14 is connected with the Simulation of Precipitation device 12 at organic glass simulation box 5 top by charging pump 13, and for Simulation of Precipitation device 12 provides water source, Simulation of Precipitation device 12 experimentally can require the adjustment carrying out precipitation intensity; In addition, the drainpipe 16 of the belt switch arranged bottom upper reserve tank 14 is connected with the intake-outlet 6 of lower water tank 2 or belt switch, plays recycling of water body with the design of upper pipeline, reduces the waste of water resource.
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1
Demonstration is super oozes surface runoff runoff mechanism: first open the sidewall drainpipe 11 on the right side of organic glass simulation box 5 on tank wall, to ensure that the runoff that ground produces can be drained in time, smoothly; Open charging pump 13 and simulated precipitation device 12 again, form the precipitation of larger intensity, make quantity of precipitation be greater than lower milliosmolarity, form ponding on earth's surface, and progressively increase formation runoff.The interface now paid close attention to is artificial simulated grass 10 surface (ground), forms runoff on manual simulation's turf 10 surface (ground).
Embodiment 2
Demonstration subsurface runoff runoff mechanism: first open the sidewall drainpipe 11 on the right side of organic glass simulation box 5 on tank wall, open charging pump 13 and simulated precipitation device 12 again, form the precipitation of some strength, lower infiltration is produced by the easy pervious bed 9 in top, require that the lower water percolating capacity that now top easy pervious bed 9 produces is greater than the water yield of being oozed for 7 times by the easy pervious bed of middle aquitard 8 lower portion, the unnecessary water yield will pile up on middle aquitard 8, underground water table on middle aquitard 8 is caused to rise, under gradient effect, flow to the right, form subsurface runoff.Now pay close attention to the upper interface that interface is middle aquitard 8, form runoff at the upper interface of middle aquitard 8.
Embodiment 3
Demonstration run in depth runoff mechanism: only close on the right side of organic glass simulation box 5 on tank wall, corresponding to the easy pervious bed 7 in bottom, the sidewall drainpipe 11 that is in lower position, other sidewall drainpipe 11 is in open mode, the intake-outlet 6 of the drainpipe 16 of the belt switch bottom upper reserve tank 14 with the belt switch bottom organic glass simulation box 5 is connected, inject certain water yield slowly, water level is made to reach the position of buttoned-up sidewall drainpipe 11, simulated groundwater height of water level; Then the intake-outlet 6 closed bottom reserve tank 14 bottom belt switch pair water pipe 16 and organic glass simulation box 5 is closed.
Then, open charging pump 13 and simulated precipitation device 12 again, form the precipitation of some strength, lower infiltration is produced by the easy pervious bed 9 in top, ooze certain water yield 7 times by the easy pervious bed of middle aquitard 8 lower portion again, make underground water table increase, under gradient effect, flow to the right, form run in depth.Now paying close attention to interface is interface on underground water (on zone of saturation under interface or aeration zone interface), and on underground water, interface forms runoff.
Embodiment 4
Demonstrate saturated surface runoff runoff mechanism: first close on the right side of organic glass simulation box 5 on tank wall, corresponding to the easy pervious bed 7 in bottom, the sidewall drainpipe 11 that is in position, middle and lower part, the intake-outlet 6 of the drainpipe 16 of the belt switch bottom upper reserve tank 14 with the belt switch bottom organic glass simulation box 5 is connected, inject certain water yield slowly, water level is made to reach the position closing sidewall drainpipe 11, simulated groundwater height of water level; Then the intake-outlet 6 closed bottom reserve tank 14 bottom belt switch pair water pipe 16 and organic glass simulation box 5 is closed.
Then, then open charging pump 13 and simulated precipitation device 12, form the precipitation of some strength, produce lower infiltration by soil layer (the easy pervious bed in top 9 and middle aquitard 8); Meanwhile, turn down other sidewall drainpipe 11 on the right side of organic glass simulation box 5 on tank wall except buttoned-up sidewall drainpipe 11, to ensure that the water yield of being drained by sidewall drainpipe 11 is less than by oozing the water yield come under upper soil horizon, along with the increase of lower water percolating capacity, rising appears in underground water table, and progressively making whole soil layer all be full of water, underground water progressively exposure, in earth's surface, forms runoff on ground.Now paying close attention to interface is interface on underground water (on zone of saturation under interface or aeration zone interface), more than ground water level has runoff to produce to ground.
The foregoing is only preference embodiment of the present invention, do not form limiting the scope of the present invention.Any any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (9)
1. flow anomaly mechanism simulation experimental provision, it is characterized in that, described experimental provision comprises support bracket, be positioned at upper reserve tank on support bracket and charging pump, lower support bracket, the organic glass simulation box that is positioned at lower water tank under lower support bracket and lower water pump, is positioned at outer container on lower support bracket and outer container, organic glass simulation box slant setting is inner at outer container, and outer container is provided with freeing port and is communicated with lower water tank; The bottom of described organic glass simulation box and sidewall are respectively equipped with intake-outlet and multiple sidewall drainpipe, in the inside of organic glass simulation box, be provided with the easy pervious bed in bottom, the easy pervious bed of middle aquitard and top from bottom to top successively, the top of organic glass simulation box is provided with Simulation of Precipitation device; Water in described upper reserve tank is communicated with Simulation of Precipitation device by charging pump; Upper reserve tank is communicated with lower water tank or with the intake-outlet of organic glass simulation box by drainpipe; Water in lower water tank is communicated with upper reserve tank by lower water pump.
2. flow anomaly mechanism simulation experimental provision as claimed in claim 1, is characterized in that, the easy pervious bed in described top is coated with simulation artificial grass.
3. flow anomaly mechanism simulation experimental provision as claimed in claim 2, it is characterized in that, described artificial grass is easy permeable turf.
4. flow anomaly mechanism simulation experimental provision as claimed in claim 2, it is characterized in that, the setting position of described sidewall drainpipe corresponds respectively to the easy pervious bed in bottom, middle aquitard, the easy pervious bed in top and manual simulation's turf.
5. flow anomaly mechanism simulation experimental provision as claimed in claim 1, it is characterized in that, described sidewall drainpipe is provided with the valve of adjustable drain pipe hole size.
6. the flow anomaly mechanism simulation experimental provision as described in one of as any in claim 1-5, it is characterized in that, described Simulation of Precipitation device experimentally can require the adjustment carrying out precipitation intensity.
7. the flow anomaly mechanism simulation experimental provision as described in one of as any in claim 1-5, is characterized in that, the degree of tilt between bottom described organic glass simulation box and outer container is 0 ~ 30 degree.
8. the flow anomaly mechanism simulation experimental provision as described in one of as any in claim 7, it is characterized in that, described degree of tilt is 20 degree.
9. the flow anomaly mechanism simulation experimental provision as described in one of as any in claim 1-5, it is characterized in that, the easy pervious bed in described bottom adopts average medium sand, and middle aquitard adopts clayey silt, and the easy pervious bed in top adopts average fine sand.
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| CN201510702873.1A CN105225600A (en) | 2015-10-26 | 2015-10-26 | Flow anomaly mechanism simulation experimental provision |
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| CN201510702873.1A CN105225600A (en) | 2015-10-26 | 2015-10-26 | Flow anomaly mechanism simulation experimental provision |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489100A (en) * | 2016-01-28 | 2016-04-13 | 成都理工大学 | Diluvial fan underground water seepage simulation device |
| CN105929134A (en) * | 2016-04-29 | 2016-09-07 | 同济大学 | Small soil-water-plant ecological system for experiment |
| CN107610577A (en) * | 2017-09-08 | 2018-01-19 | 西安理工大学 | Hydrologic cycle experimental system for simulating and experimental method |
| CN108088787A (en) * | 2017-12-20 | 2018-05-29 | 中国农业大学 | A kind of slope surface continues the simulator and analogy method of the soil erosion of saturation infiltration |
| CN110249878A (en) * | 2019-07-04 | 2019-09-20 | 山东农业大学 | A kind of small raininess cold mist type artificial rain simulating device and its application method |
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| CN102980988A (en) * | 2012-11-22 | 2013-03-20 | 重庆大学 | Device for simulating pollutant migration and transformation process of purple soil slope farmland |
| CN104459069A (en) * | 2014-11-26 | 2015-03-25 | 山东大学 | Model test device and test method for monitoring effect of tunnel water inrush on groundwater environment |
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Patent Citations (5)
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| US3973335A (en) * | 1975-07-24 | 1976-08-10 | Price Raymond C | Apparatus to demonstrate air flow through permeable sheet material |
| CN1937005A (en) * | 2006-10-18 | 2007-03-28 | 成都理工大学 | Pressure-bearing whole well water-pumping simulation device |
| CN101739882A (en) * | 2010-02-04 | 2010-06-16 | 成都理工大学 | Confined water and phreatic water compound simulation experiment device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489100A (en) * | 2016-01-28 | 2016-04-13 | 成都理工大学 | Diluvial fan underground water seepage simulation device |
| CN105929134A (en) * | 2016-04-29 | 2016-09-07 | 同济大学 | Small soil-water-plant ecological system for experiment |
| CN105929134B (en) * | 2016-04-29 | 2018-07-03 | 同济大学 | A kind of experiment soil-water-Plant Mini ecosystem |
| CN107610577A (en) * | 2017-09-08 | 2018-01-19 | 西安理工大学 | Hydrologic cycle experimental system for simulating and experimental method |
| CN108088787A (en) * | 2017-12-20 | 2018-05-29 | 中国农业大学 | A kind of slope surface continues the simulator and analogy method of the soil erosion of saturation infiltration |
| CN108088787B (en) * | 2017-12-20 | 2019-12-10 | 中国农业大学 | simulation device and simulation method for soil erosion of continuous saturated water seepage of slope |
| CN110249878A (en) * | 2019-07-04 | 2019-09-20 | 山东农业大学 | A kind of small raininess cold mist type artificial rain simulating device and its application method |
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