CN103233484B - Circulating water supply system for centrifugal model testing and usage method thereof - Google Patents
Circulating water supply system for centrifugal model testing and usage method thereof Download PDFInfo
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- CN103233484B CN103233484B CN201310132594.7A CN201310132594A CN103233484B CN 103233484 B CN103233484 B CN 103233484B CN 201310132594 A CN201310132594 A CN 201310132594A CN 103233484 B CN103233484 B CN 103233484B
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Abstract
The invention relates to a usage method of a circulating water supply system for centrifugal model testing. The method comprises the following steps: connecting a submersible pump to the base plate of a support frame fixedly; passing the power cable of the submersible pump through a line pipe; connecting the water outlet of the submersible pump with a water inlet pipe; connecting a model table to the support frame fixedly; mounting an isolation net on the support frame; placing a centrifugal model rack with the submersible pump mounted into a model box; adding water into the model box; testing the submersible pump; taking the centrifugal model rack out of the model box after the test is over and then placing the centrifugal model rack on a dam body mounting working table to fabricate a soil engineering centrifugal model; placing and fixing the centrifugal model rack into the model box in a suspension mode; placing and fixing the model box into a centrifugal basket in a suspension mode; and connecting the power cable with an external power source. According to the usage method of the circulating water supply system for the centrifugal model testing, the centrifugal model testing can be achieved with no need of supplying water outside a centrifugal machine. The invention also relates to a circulating water supply system special for the method.
Description
Technical field
The present invention relates to a kind of water system and using method thereof that is applied to geotechnical centrifugal model test.
Background technology
Earth and rockfill dam accounts for the more than 90% of domestic and international built dam sum, the mechanism of collapsed dam of earth and rockfill dam and risk study on regulation are always subject to the generally attention of Ba Gongjie, China is the maximum country of earth and rockfill dam quantity in the world, in recent years, for adapting to the needs of national able to resisting flood and drought and hydroelectric development, large-scale earth and rockfill dam is also in continuous construction.Earth and rockfill dam dam break process is extremely complicated, and head fall is large while bursting, is difficult to repair in time stifled, once earth and rockfill dam bursts, can constitute a serious threat to downstream resident's the security of the lives and property.The theory of computation of current earth and rockfill dam Dam Break Problems is also immature, and the foundation of correlation theory research and model needs a large amount of full and accurate experimental datas to be verified.Centrifugal model test, by centrifugal force field simulated gravity field, can ensure that the stress state of prototype and model is consistent, is the cost-effective means of one that the geotechnical engineerings such as research earth and rockfill dam dam break are destroyed problem.It is a technical barrier that but the current in centrifugal model test are supplied with problem always.Cambridge University and University of Manchester once built up the centrifugal model test water flow control system with compressed air-driven in succession, although this two cover systems performance is relatively stable, and complex structure, bulky, development cost is higher; Hong Kong University of Science and Thchnology has developed a set of water flow control system (referring to Limin Zhang & Ting Hu.Development of a water control facility for centrifugal model Tests.Centrifuge91.1991.527-530.) on thermoelectricity coupling effect basis, this system regulates by electric current, and maximum can provide the flow of 25l/min.It is above-mentioned that by external water source, to centrifuge modelling test case, water supply can cause the imbalance of counterweight in centrifuge operation process.If need to continue to supply water, the unnecessary water yield is directly discharged to Centrifuge Room, and excessive air humidity can affect the application life of centrifuge.Meanwhile, common external water source is difficult to provide enough large flow.
Summary of the invention
The invention provides a kind of circulating water supply system for centrifugal model test and using method thereof, this system can reduce or avoid problem noted earlier.
For addressing the above problem, the present invention proposes a kind of circulating water supply system using method for centrifugal model test, wherein, described circulating water supply system comprises a centrifugal model stand, and described centrifugal model stand comprises a model table and the carriage being fixedly connected with described model table; Described model table is rectangular box, is provided with a division board in described model table, and taking described division board as boundary, described model table one side is mold portion, and opposite side is storage part, and described storage part is provided with a spool and a water inlet pipe; Described carriage is fixedly connected on described model table below, described carriage comprises a rectangular base plate, four jiaos of described base plates are respectively arranged with a root post, between adjacent described column top, are provided with mounting rail, between adjacent described column, are provided with dismountable separation net; Described carriage is fixedly connected with a submersible pump; Described circulating water supply system also comprises that one for holding the model casing of water body and the described centrifugal model stand of placement;
Described method comprises the steps:
Steps A, described submersible pump is fixedly connected in the described rectangular base plate of described carriage, described model table is hung above described carriage, the power cable of described submersible pump is passed to described spool, the delivery port of described submersible pump is connected with described water inlet pipe, then described model table is fixedly connected with described carriage, afterwards, on described carriage, loads onto described separation net;
Step B, the described centrifugal model stand that installs described submersible pump is placed in described model casing, the power cable of described submersible pump is connected with external power source, in described model casing, add water, after flooding described submersible pump, the water surface stops adding water, test described submersible pump, the power supply that test finishes the described submersible pump of rear cut-out connects, and described centrifugal model stand is taken out from described model casing;
Step C, is placed into described centrifugal model stand on dam body installation work platform, makes geotechnological centrifugal model in the described mold portion of described centrifugal model stand;
Step D, hangs described centrifugal model stand into described model casing and is fixed, and described model casing is hung into centrifugal basket fixing, and the power cable of described submersible pump is connected with external power source.
Preferably, in above-mentioned using method, on described division board, be provided with containing mark line, in step B, while testing described submersible pump, record the water surface in described storage part and arrive the time of different graduation marks, thereby extrapolate the flow of inlet water of described storage part.
Preferably, in the step D of place, after centrifugal test starts, can start described submersible pump, described submersible pump pumps to described storage part by water by described water inlet pipe, the water of described storage part can overflow into described mold portion by described division board after holding completely, and the water that overflows into described mold portion is back to described model casing after erosion geotechnical model, thereby has realized periodical feeding.
Be exclusively used in a circulating water supply system for above-mentioned method, described circulating water supply system comprises, a centrifugal model stand, and described centrifugal model stand comprises a carriage for placing the model table of geotechnical model and being fixedly connected with described model table;
Described model table is that empty rectangular box is put in end face and a side, in described model table, be provided with a division board, taking described division board as boundary, it is the mold portion for placing described geotechnical model that an empty side is put in described model table side, opposite side is the storage part for retaining, is provided with a spool for threading cable and a water inlet pipe in described storage part;
Described carriage is fixedly connected on described model table below, described carriage comprises a rectangular base plate, four jiaos of described base plates are respectively arranged with a root post, between adjacent described column top, are provided with mounting rail, between adjacent described column, are provided with dismountable separation net;
On the described base plate of described carriage, be fixed with a submersible pump, the delivery port of described submersible pump is connected with the described water inlet pipe of described storage part;
Described circulating water supply system further comprises that one for holding the model casing of water body, and described centrifugal model stand is arranged in described model casing.
Preferably, be provided with a pressure and take into account a control valve on described water inlet pipe, described water inlet pipe is further connected with a power consumption pipe, and described power consumption pipe has multiple kinks.
Preferably, on described power consumption pipe, be provided with at least one reducer, have multiple decelerating rings that be arranged in parallel in described reducer, described decelerating ring has multiple fan-shaped fins that are spacedly distributed.
Preferably, have 3～10 decelerating rings that be arranged in parallel in described reducer, described decelerating ring has 3～5 fan-shaped fins that are spacedly distributed, and evenly staggers mutually in the fan-shaped fin position on adjacent described decelerating ring.
A kind of circulating water supply system for centrifugal model test provided by the present invention and using method thereof, need to not supply water from centrifuge outside, simplify the structural requirement to centrifuge, simultaneously, by the devices such as power consumption pipe, deceleration tube are set, make the periodical feeding in model casing can velocity-stabilization, thereby meet the requirement of Geotechnical Centrifugal Model Test.
Brief description of the drawings
The following drawings is only intended to the present invention to schematically illustrate and explain, not delimit the scope of the invention.Wherein,
Fig. 1 is according to the structural representation of a kind of circulating water supply system for centrifugal model test of a specific embodiment of the present invention;
Fig. 2 is the decomposition texture schematic diagram of a kind of circulating water supply system for centrifugal model test shown in Fig. 1;
Fig. 3 is the plan structure schematic diagram of the model table shown in Fig. 2;
Fig. 4 is the structural representation of the power consumption pipe shown in Fig. 2;
Fig. 5 is the generalized section of the reducer shown in Fig. 4;
What Fig. 6 a～6c showed respectively is the generalized section along I-I, II-II, III-III line are done in Fig. 5.
Detailed description of the invention
Understand for technical characterictic of the present invention, object and effect being had more clearly, now contrast brief description of the drawings the specific embodiment of the present invention.Wherein, identical parts adopt identical label.
Describe in detail with reference to the accompanying drawings according to of the present invention a kind of for the circulating water supply system of centrifugal model test and the structure of using method and principle thereof.
Fig. 1 is according to the structural representation of a kind of circulating water supply system for centrifugal model test of a specific embodiment of the present invention; Fig. 2 is the decomposition texture schematic diagram of a kind of circulating water supply system for centrifugal model test shown in Fig. 1; Fig. 3 is the plan structure schematic diagram of the model table shown in Fig. 2; Shown in Fig. 1-3, the present invention proposes a kind of circulating water supply system using method for centrifugal model test, wherein, described circulating water supply system comprises a centrifugal model stand 3, the carriage 32 that described centrifugal model stand 3 comprises a model table 31 and is fixedly connected with described model table 31; Described model table 31 is rectangular box, in described model table, be provided with a division board 311, taking described division board 311 as boundary, described model table 31 1 sides are mold portion 312, opposite side is storage part 313, and described storage part 313 is provided with a spool 3131 and a water inlet pipe 3132; Described carriage 32 is fixedly connected on described model table 31 belows, described carriage 32 comprises a rectangular base plate 321,321 4 jiaos of described base plates are respectively arranged with a root post 322, between adjacent described column 322 tops, be provided with mounting rail 323, between adjacent described column 322, be provided with dismountable separation net 324; Described carriage 32 is fixedly connected with a submersible pump 33; Described circulating water supply system further comprises that one for holding the model casing 2 of water body and the described centrifugal model stand 3 of placement;
Described method comprises the steps:
Steps A, described submersible pump 33 is fixedly connected in the described rectangular base plate 321 of described carriage 32, described model table 31 is hung above described carriage 32, the power cable of described submersible pump 33 is passed to described spool 3131, the delivery port of described submersible pump 33 is connected with described water inlet pipe 3132, then described model table 31 is fixedly connected with described carriage 32, afterwards, on described carriage 32, loads onto separation net 324;
Described separation net 324 is in the end installed, and can effectively avoid, in the operating process in the time that the described submersible pump 33 of installation is fixedly connected with described carriage 32 to described rectangular base plate 321 and by described model table 31, described separation net 324 is caused to accidental damage.Lug-mounted (for example L-type auricle) corresponding to described mounting rail 323 positions that described model table 31 bottom surfaces can arrange multiple and described carriage 32 is fixedly connected with described carriage 32 for described model table 31, like this can be so that be mounted with.
The height of described spool 3131 can be higher than the height of described division board 311, so just can avoid the water in described storage part 313 to spill from described spool 3131.
Step B, the described centrifugal model stand 3 that installs described submersible pump 33 is placed in described model casing 2, the power cable of described submersible pump 33 is connected with external power source, in described model casing 2, add water, after flooding described submersible pump 33, the water surface stops adding water, test described submersible pump 33, the power supply that test finishes the described submersible pump 33 of rear cut-out connects, and described centrifugal model stand 3 is taken out from described model casing 2;
The test of described submersible pump 33 is comprised to leakage tests and the test of drawing water, the water surface flood described submersible pump 33 rear described submersible pump 33 is carried out to leakage tests can ensure can be because electric leakage causes centrifuge fault in centrifugal model test process, the test of drawing water can guarantee that the water yield of carrying out in centrifugal model test process supplies with.
Step C, is placed into described centrifugal model stand 3 on dam body installation work platform, makes geotechnological centrifugal model 4 in the described mold portion 312 of described centrifugal model stand 3;
Described dam body installation work platform can be a vacant lot, can be also a special table top, is mainly in order to facilitate staff to have enough operating spaces in the time that described mold portion 312 is made geotechnological centrifugal model 4.
Above-mentioned steps A-C all carries out outward at centrifuge.
Step D, hangs described centrifugal model stand 3 into described model casing 2 and is fixed, and described model casing 2 is hung into centrifugal basket 1 fixing, and the power cable of described submersible pump 33 is connected with external power source.After this, can carry out centrifugal model test.
The power cable of described submersible pump 33 can be connected with the external power source outside centrifuge through slip ring and the pivoted arm of centrifuge, certainly, if be provided with the power cord connector that power supply is provided in described centrifugal basket 1, the power cable of described submersible pump 33 also can be connected with the power cord connector in described centrifugal basket 1.
In a preferred embodiment, described model table 31 is for putting empty rectangular box in end face and a side, taking described division board 311 as boundary, it is the mold portion 312 for placing described geotechnical model that an empty side is put in described model table 31 sides, and opposite side is the storage part 313 for retaining; The height of described division board 311 is less than the height of 3 sidewalls of described model table 31, after centrifugal test starts, can power up to described submersible pump 33, described submersible pump 33 is input to described storage part 313 by water by described water inlet pipe 3132, the water of described storage part 313 can overflow into described mold portion 312 by described division board 311 after holding completely, the water that overflows into described mold portion 312 is back to described model casing 2 after geotechnological centrifugal model 4 described in erosion, thereby realize periodical feeding, and do not need existing centrifuge to carry out any transformation.
In a preferred embodiment, in above-mentioned using method, wherein, on described division board 311, be provided with containing mark line, in step B, while testing described submersible pump 33, record the water surface in described storage part 313 and arrive the time of different graduation marks, thereby extrapolate the flow of inlet water of described storage part 313.
The water surface in storage part 313 of utilizing described in the equipment records of stopwatch equal time that can be artificial arrives the time of the different capabilities graduation mark on described division board 311, so just can extrapolate very easily the flow of inlet water of described storage part 313.
Shown in Fig. 1-3, the present invention also provides a kind of circulating water supply system that is exclusively used in said method, described circulating water supply system comprises, a centrifugal model stand 3, described centrifugal model stand 3 comprises a carriage 32 for placing the model table 31 of geotechnical model 4 and being fixedly connected with described model table 31;
Described model table 31 is for putting empty rectangular box in end face and a side, in described model table 31, be provided with a division board 311, taking described division board 311 as boundary, it is the mold portion 312 for placing described geotechnical model 4 that an empty side is put in described model table 31 sides, opposite side is the storage part 313 for retaining, is provided with a spool 3131 for threading cable and a water inlet pipe 3132 in described storage part 313;
Described carriage 32 is fixedly connected on described model table 31 belows, described carriage 32 comprises a rectangular base plate 321,321 4 jiaos of described base plates are respectively arranged with a root post 322, between adjacent described column 322 tops, be provided with mounting rail 323, between adjacent described column 322, be provided with dismountable separation net 324;
On the described base plate 321 of described carriage 32, be fixed with a submersible pump 33, the delivery port of described submersible pump 33 is connected with the described water inlet pipe 3132 of described storage part 313;
Described circulating water supply system further comprises that one for holding the model casing 2 of water body, and described centrifugal model stand 3 is arranged in described model casing 2.
The height of described division board 311 is less than the height of 3 sidewalls of described model table 31, in the time carrying out centrifugal model test, the water in described model casing 2 is delivered to described storage part 313 by described submersible pump 33, the water of described storage part 313 can spill into described mold portion 312 uniformly by described division board 311 after holding completely, the water that spills into described mold portion 312 is acting on (for example carrying out erosion) or is overflowing after described geotechnological centrifugal model 4 to described geotechnological centrifugal model 4, put an empty side reflux to described model casing 2 via described model table 31, thereby realize periodical feeding, and do not need existing centrifuge to carry out any transformation.
The major function of described storage part 313 is in order to ensure that to flow to the current of described geotechnological centrifugal model 4 in the time carrying out centrifugal model test even, therefore it does not need very large volume, can reduce the volume of described storage part 313 by the position of described division board 311 is set as far as possible, so just can leave the enough spaces of described mold portion 312 for and arrange large-sized described geotechnological centrifugal model 4.
Described separation net 324 can be selected the filter screen of high order number, can be for example 60 object filter screens, described separation net 324 is arranged on described carriage instead of is directly installed on the intake of described submersible pump 33, for in centrifugal model test process, after current are washed in described model casing 2 by constructional materialss such as the sandy soil of described geotechnological centrifugal model 4, even if cause alluvial also can not affect the water intaking work of described submersible pump 33 in the part of described separation net 324.
Fig. 4 is the structural representation of the power consumption pipe shown in Fig. 2; Shown in Fig. 2-4, in a preferred embodiment, on described water inlet pipe 3132, be provided with a pressure and take into account a control valve, described water inlet pipe 3132 is further connected with a power consumption pipe 5, and described power consumption pipe 5 has multiple kinks.
Described pressure gauge and described control valve can make the more convenient inflow of controlling intuitively of staff.Described power consumption pipe 5 is the stroke before entering described storage part 313 for increasing current, and current change as much as possible before entering described storage part 313 is flowed to and reduce flow velocity, so just can make in carrying out high overload centrifugal model test, the water flows gently.
Described power consumption pipe 5 can use commercially available pvc tubing or metal pipe material to be spliced, in a preferred embodiment, as shown in Figure 4, described power consumption pipe 5 comprises the U-shaped portion 51 of at least two series connection, and the width range of described U-shaped portion 51 is 6-8cm, and altitude range is 4-7cm, it is 25-35cm that 5 length L scopes are managed in described power consumption, height H scope is 12-18cm, and described power consumption pipe bottom is provided with a horizontal steering tube 52, and described horizontal steering tube 52 ends are provided with one and turn to elbow.Described horizontal steering tube can make current flow out from the centre position of 313 bottoms, described storage part, so just can further ensure that water is spilled over to the uniformity of described mold portion 312 from described storage part 313.Evidence, under the overload situations more than 30g, after the described power consumption pipe 5 of above-mentioned size is installed, water is spilled over to the uniformity of described mold portion 312 than having obtained effective improvement before not installing from described storage part 313.
Fig. 4 is the structural representation of the power consumption pipe shown in Fig. 2; Fig. 5 is the generalized section of the reducer shown in Fig. 4; What Fig. 6 a～6c showed respectively is the generalized section along I-I, II-II, III-III line are done in Fig. 5.Shown in Fig. 2,4-6, in a preferred embodiment, on described power consumption pipe 5, be provided with at least one reducer 53, as shown in Figure 4, described reducer 53 is except being arranged on described horizontal steering tube 52, can also be arranged on the position that in Fig. 4, dotted line frame indicates, that is to say, described reducer 53 can be arranged on the optional position of described power consumption pipe 5 flexibly as component.
In described reducer 53, have multiple decelerating rings that be arranged in parallel 531, described decelerating ring 531 has multiple fan-shaped fins 532 that are spacedly distributed.In Fig. 5-6, the concrete described decelerating ring 531 showing is 3, and each described decelerating ring 531 has respectively 4 fan-shaped fins 532 that are spacedly distributed.According to a preferred embodiment of the present invention, in described reducer, there are 3～10 decelerating rings that be arranged in parallel 531, each described decelerating ring 531 has 3～5 fan-shaped fins 532 that are spacedly distributed.
Described reducer 53 provided by the present invention can be by the distribution angle of the fan-shaped fin 532 on the described decelerating ring 531 of conversion, and by the fan-shaped fin 532 on the described decelerating ring 531 of reasonable layout and the ratio of cavity 533, make the current that enter described reducer 53 constantly change and flow to and speed in flowing, thereby in carrying out high overload centrifugal model test, also can ensure when current flow out from described power consumption pipe 5 more steady.
For example, in specific embodiment as shown in the figure, 4 fan-shaped fins 532 that described decelerating ring 531 has are 1:2 with the ratio of cavity 533; Evenly stagger mutually in fan-shaped fin 532 positions on adjacent described decelerating ring 531, that is, because the number of the described decelerating ring 531 being arranged in parallel is 3, it is 360/3=120 degree that the angle position of the fan-shaped fin 532 on adjacent described decelerating ring 531 staggering can be set.Certainly, those skilled in the art are to be understood that, the angle staggering in fan-shaped fin 532 positions also can be determined according to the ratio of itself and cavity 533, object is to make the current that enter described reducer 53 constantly to change and flow to and speed in flowing, thus also can uniform and stable in carrying out high overload centrifugal model test flow out from described power consumption pipe 5.
A kind of circulating water supply system for centrifugal model test provided by the present invention and using method thereof, need to not supply water from centrifuge outside, simplify the structural requirement to centrifuge, simultaneously, by the devices such as power consumption pipe, deceleration tube are set, make the periodical feeding in model casing can velocity-stabilization, thereby meet the requirement of Geotechnical Centrifugal Model Test.
Although it will be appreciated by those skilled in the art that the present invention is described according to the mode of multiple embodiment, be not that each embodiment only comprises an independently technical scheme.For the purpose of in manual, so narration is only used to know; those skilled in the art should make manual as a wholely to be understood, and regard technical scheme related in each embodiment as the mode that can mutually be combined into different embodiment understand protection scope of the present invention.
The foregoing is only the schematic detailed description of the invention of the present invention, not in order to limit scope of the present invention.Any those skilled in the art, not departing from equivalent variations, amendment and the combination done under the prerequisite of design of the present invention and principle, all should belong to the scope of protection of the invention.
Claims (7)
1. for a circulating water supply system using method for centrifugal model test, wherein, described circulating water supply system comprises a centrifugal model stand, and described centrifugal model stand comprises a model table and the carriage being fixedly connected with described model table; Described model table is rectangular box, in described model table, be provided with a division board, taking described division board as boundary, described model table one side is mold portion, opposite side is storage part, the water of described storage part overflows into described mold portion by described division board after holding completely, and described storage part is provided with a spool and a water inlet pipe; Described carriage is fixedly connected on model table below, described carriage comprises a rectangular base plate, four jiaos of described base plates are respectively arranged with a root post, between adjacent described column top, are provided with mounting rail, between adjacent described column, are provided with dismountable separation net; Described carriage is fixedly connected with a submersible pump; Described circulating water supply system also comprises that one for holding the model casing of water body and the described centrifugal model stand of placement;
It is characterized in that, described method comprises the steps:
Steps A, described submersible pump is fixedly connected in the described rectangular base plate of described carriage, described model table is hung above described carriage, the power cable of described submersible pump is passed to described spool, the described delivery port of described submersible pump is connected with described water inlet pipe, then described model table is fixedly connected with described carriage, afterwards, on described carriage, loads onto described separation net;
Step B, the described centrifugal model stand that installs described submersible pump is placed in described model casing, the power cable of described submersible pump is connected with external power source, in described model casing, add water, after flooding described submersible pump, the water surface stops adding water, test described submersible pump, the power supply that test finishes the described submersible pump of rear cut-out connects, and described centrifugal model stand is taken out from described model casing;
Step C, is placed into described centrifugal model stand on dam body installation work platform, makes geotechnological centrifugal model in the described mold portion of described centrifugal model stand;
Step D, hangs described centrifugal model stand into described model casing and is fixed, and described model casing is hung into centrifugal basket fixing, and the power cable of described submersible pump is connected with external power source.
2. method according to claim 1, wherein, is provided with containing mark line on described division board, it is characterized in that, in step B, while testing described submersible pump, record the water surface in described storage part and arrive the time of different graduation marks, thereby extrapolate the flow of inlet water of described storage part.
3. method according to claim 1, it is characterized in that, in step D, after centrifugal test starts, start described submersible pump, water is pumped to described storage part by described water inlet pipe, the water of described storage part overflows into described mold portion by described division board after holding completely, the water that overflows into described mold portion is back to described model casing after erosion geotechnique centrifugal model, thereby realizes periodical feeding.
4. one kind is exclusively used in the circulating water supply system of the described method of one of claim 1-3, it is characterized in that, described circulating water supply system comprises a centrifugal model stand, and described centrifugal model stand comprises a carriage for placing the model table of geotechnical model and being fixedly connected with described model table;
Described model table is that empty rectangular box is put in end face and a side, in described model table, be provided with a division board, taking described division board as boundary, it is the mold portion for placing geotechnical model that an empty side is put in described model table side, opposite side is the storage part for retaining, is provided with a spool for threading cable and a water inlet pipe in described storage part;
Described carriage is fixedly connected on described model table below, described carriage comprises a rectangular base plate, four jiaos of described base plates are respectively arranged with a root post, between adjacent described column top, are provided with mounting rail, between adjacent described column, are provided with dismountable separation net;
On the base plate of described carriage, be fixed with a submersible pump, the delivery port of described submersible pump is connected with the described water inlet pipe of described storage part;
Described circulating water supply system also comprises that one for holding the model casing of water body, and described centrifugal model stand is arranged in described model casing.
5. circulating water supply system according to claim 4, is characterized in that, is provided with a pressure and takes into account a control valve on described water inlet pipe, and described water inlet pipe is further connected with a power consumption pipe, and described power consumption pipe has multiple kinks.
6. circulating water supply system according to claim 5, is characterized in that, on described power consumption pipe, is provided with at least one reducer, has multiple decelerating rings that be arranged in parallel in described reducer, and described decelerating ring has multiple fan-shaped fins that are spacedly distributed.
7. circulating water supply system according to claim 6, it is characterized in that, in described reducer, have 3～10 decelerating rings that be arranged in parallel, described decelerating ring has 3～5 fan-shaped fins that are spacedly distributed, and evenly staggers mutually in the fan-shaped fin position on adjacent decelerating ring.
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| CN107907295B (en) * | 2017-10-23 | 2019-05-31 | 中国地质大学（武汉） | A kind of geotechnical centrifuge case that long-range control loop simulation tsunami acts on slight slope |
| CN108933372B (en) * | 2018-07-27 | 2024-01-16 | 中国工程物理研究院总体工程研究所 | Geotechnical centrifuge hanging basket power supply device |
| CN108946439A (en) * | 2018-07-27 | 2018-12-07 | 广船国际有限公司 | A kind of immersible pump nacelle device |
| CN109374863A (en) * | 2018-11-28 | 2019-02-22 | 浙江大学 | A kind of circulating water supply device for centrifugal model test under high-g level |
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