CN103267651B - Super gravity field for giant maritime work centrifugal machine makes wind apparatus - Google Patents
Super gravity field for giant maritime work centrifugal machine makes wind apparatus Download PDFInfo
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- CN103267651B CN103267651B CN201310164921.7A CN201310164921A CN103267651B CN 103267651 B CN103267651 B CN 103267651B CN 201310164921 A CN201310164921 A CN 201310164921A CN 103267651 B CN103267651 B CN 103267651B
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Abstract
The invention discloses a kind of super gravity field for giant maritime work centrifugal machine and make wind apparatus, comprise: extra large work hanging basket model casing, honeycomb, fan blower and air exhauster, sea work hanging basket model casing is circular arc and has vallecular cavity, sea work hanging basket model casing is provided with air inlet, water inlet, air outlet and water delivering orifice, sea work hanging basket model casing is along being divided into first paragraph from first end to the length direction of the second end, second segment and being positioned in the middle of first paragraph and second segment and interlude for placing marine structure, the energy-dissipating structure of contiguous second end is provided with in second segment, the diapire of interlude is outwardly to form groove, in groove and the bottom surface of vallecular cavity is provided with soil property sea bed, water is filled with in vallecular cavity.Honeycomb to be located in first paragraph and contiguous air inlet.Fan blower is connected with to air blast in vallecular cavity with air inlet.Air exhauster is connected with from exhausting in vallecular cavity with air outlet.Super gravity field of the present invention makes wind apparatus can reproduce Marine Storm Genesis process under super gravity field.
Description
Technical field
The present invention relates to giant maritime work centrifugal machine technical field, especially relate to a kind of super gravity field for giant maritime work centrifugal machine and make wind apparatus.
Background technology
In order to Development of Marine economy, exploitation ocean resources, ensure maritime safety, need simulation ocean loads typical environment, such as, simulate Marine Storm Genesis process.In order to simulate Marine Storm Genesis process, usually at present, under acceleration of gravity (1g), adopt wind tunnel device to carry out Marine Storm Genesis simulation, but owing to cannot realize in super gravity field Imitating Marine Storm Genesis process, therefore the Marine Storm Genesis process simulated differs larger with real Marine Storm Genesis process, result out of true, have impact on oceanographic engineering research and technology consultation.Greatly, the boundary condition of model is incorrect, cannot be used for the marine environment of the complexity simulated residing for marine structure because design concept and version make centrifugal acceleration distribution error in model for traditional geotechnical centrifuge.Especially, also not having at present can at the complicated marine environment of super gravity field Imitating as the extra large work hydro-extractor of Marine Storm Genesis process.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical matters of the prior art at least to a certain extent.For this reason, one object of the present invention is that proposing a kind of super gravity field for giant maritime work centrifugal machine makes wind apparatus, this super gravity field makes wind apparatus can reproduce Marine Storm Genesis process under super gravity field, the interaction of simulating ocean environment Ocean storm processes-marine structure-soil property sea bed, and the Marine Storm Genesis process of simulation is true to nature, result is accurate, provides high-caliber experiment porch for marine engineering design and operating technique break through.
The super gravity field for giant maritime work centrifugal machine according to the embodiment of the present invention makes wind apparatus, comprise: extra large work hanging basket model casing, described extra large work hanging basket model casing is circular arc, in described extra large work hanging basket model casing, there is vallecular cavity, the end face of the first end of described extra large work hanging basket model casing is provided with air inlet and water inlet, the end face of the second end of described extra large work hanging basket model casing is provided with air outlet and water delivering orifice, described extra large work hanging basket model casing is along being divided into first paragraph from described first end to the length direction of described second end, second segment and being positioned in the middle of described first paragraph and second segment and interlude for placing marine structure, the energy-dissipating structure of contiguous described second end is provided with in described second segment, the diapire of described interlude is outwardly to form groove, in described groove and the bottom surface of described vallecular cavity is provided with soil property sea bed, water is filled with in described vallecular cavity, honeycomb, described honeycomb to be located in described first paragraph and contiguous described air inlet, fan blower, described fan blower is connected with described air inlet, for by described air inlet to air blast in described vallecular cavity, and air exhauster, described air exhauster is connected with described air outlet, for by described air outlet from exhausting in described vallecular cavity.
Super gravity field according to the giant maritime work centrifugal machine of the embodiment of the present invention makes wind apparatus, circular arc is formed as by making extra large work hanging basket model casing, the rational super gravity field that is evenly distributed can be produced in extra large work hanging basket model casing in the process that giant maritime work centrifugal machine rotates, under the effect of super gravity field, pass through fan blower, honeycomb and air exhauster produce artificial controlled wind, thus Marine Storm Genesis process can be reproduced under super gravity field, the interaction of simulating ocean environment Ocean storm processes-marine structure-soil property sea bed, and the Marine Storm Genesis process of simulation is true to nature, result is accurate, high-caliber experiment porch is provided for marine engineering design and operating technique break through.
In addition, the super gravity field for giant maritime work centrifugal machine according to the above embodiment of the present invention is made wind apparatus and can also be had following additional technical characteristic:
According to some embodiments of the present invention, exhalant canal is provided with in the diapire of described vallecular cavity, described exhalant canal has import and outlet, and the import of described exhalant canal is connected with described water delivering orifice, and the outlet of described exhalant canal is formed on the outside surface of the diapire of described groove.Thus be convenient to discharge the water in vallecular cavity.
Preferably, the outlet of described exhalant canal is positioned at the center of the diapire of described groove.
Further, described first paragraph is identical with the girth of second segment and be mutually symmetrical relative to described interlude.Thus can ensure that the Marine Storm Genesis process simulated is true to nature further, result is accurate.
Further, the diapire of described groove is flat.Thus ensure that super gravity field distributes rationally evenly in extra large work hanging basket model casing further.
In some embodiments of the invention, described extra large work hanging basket model casing has rectangular cross section.Thus ensure that super gravity field distributes rationally evenly in extra large work hanging basket model casing further.
In some embodiments of the invention, the roof of the interlude of described extra large work hanging basket model casing is provided with open top, and described open top is by cover plate for sealing.Thus convenient operation personnel hold soil property sea bed and marine structure in vallecular cavity.
Alternatively, described energy-dissipating structure is slope.Thus this energy-dissipating structure is simple and reliable for structure.
According to some embodiments of the present invention, hypergravity is made wind apparatus and is also comprised air channel, and described air channel has rectangular cross section, and described air channel is located at the top in described vallecular cavity, and described air channel is opened wide towards the side of the diapire of described vallecular cavity.Thus the flow direction of wind can be guided by being provided with air channel, ensure further artificial controlled wind be horizontal flow to, true to nature to ensure Marine Storm Genesis process further, result is accurate.
Particularly, described air channel has rectangular cross section and edge is divided into stable section, contraction section, test section, amplification section and exhausting return-air section from described length direction, described stable section and described exhausting return-air section have constant cross-sectional area, the cross-sectional area of described contraction section reduces gradually along described length direction, and the cross-sectional area of described amplification section increases gradually along described length direction.Thus ensure to stablize through the gas flow rate of test section, accurate with the result of the dynamic interaction ensureing the Marine Storm Genesis process-marine structure-soil property sea bed of simulating.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the sectional view making wind apparatus according to the super gravity field for giant maritime work centrifugal machine of the embodiment of the present invention;
Fig. 2 makes the stereographic map of wind apparatus for the super gravity field shown in Fig. 1;
Fig. 3 makes the schematic diagram in the air channel in wind apparatus for the super gravity field shown in Fig. 1;
Fig. 4 makes wind apparatus giant maritime work centrifugal machine for being equipped with the super gravity field shown in Fig. 1 is in schematic diagram during off-duty state;
Fig. 5 makes wind apparatus giant maritime work centrifugal machine for being equipped with the super gravity field shown in Fig. 1 is in schematic diagram during running status.
Reference numeral:
Giant maritime work centrifugal machine 10000, frame 100, rotating shaft 101, pivoted arm 200,
The extra large work hanging basket 400 of first extra large work hanging basket 300, second, extra large work hanging basket model casing 401,
Vallecular cavity 4011, air inlet 4012, air outlet 4013, water inlet 4014,
First paragraph 4016, second segment 4018, interlude 4017, energy-dissipating structure 4019,
Groove 4020, cover plate 4022, air-out passage 4023, import 40231,
Outlet 40232, air channel 904, stable section 9041, contraction section 9042,
Test section 9043, amplification section 9044, exhausting return-air section 9045,
Marine structure 1300, soil property sea bed 700, water 1200, honeycomb 901,
Fan blower 902, air exhauster 903
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Describe below with reference to Fig. 1-Fig. 5 and make wind apparatus according to a kind of super gravity field for giant maritime work centrifugal machine of the embodiment of the present invention, wherein, in the present invention, super gravity field refers to the centrifugal acceleration field when giant maritime work centrifugal machine is run, because now centrifugal acceleration field is N times of gravitational acceleration field, be therefore called super gravity field.
As shown in Figures 2 and 3, giant maritime work centrifugal machine 10000 comprises frame 100, pivoted arm 200, first extra large work hanging basket 300 and the second extra large work hanging basket 400, pivoted arm 200 is rotatably installed in the rotating shaft 101 of frame 100, first extra large work hanging basket 300 can be connected on the first end (left end as shown in Figure 5) of pivoted arm 200 with swinging up and down, second extra large work hanging basket 400 can be connected on second end (right-hand member as shown in Figure 5) of pivoted arm 200 with swinging up and down, first extra large work hanging basket 300 can be used to simulating ocean environment, second extra large work hanging basket 400 comprises super gravity field and makes extra large work hanging basket model casing 401 in wind apparatus.
Particularly, as shown in Figure 4, under gravity, first extra large work hanging basket 300 and the second extra large work hanging basket 400 are in hang, as shown in Figure 5, accelerate until when producing N centrifugal acceleration (Ng) doubly, the first extra large work hanging basket 300 and the second extra large work hanging basket 400 are the level of state when pivoted arm 200 rotates, now the first extra large work hanging basket 300 and the second extra large work hanging basket 400 are due under the effect of centrifugal force is all positioned at super gravity field.More specifically, the scope of the central angle of sea work hanging basket model casing 401 is 60-90 degree, N=50-150, namely maximum centrifugal acceleration can be 150g, sea work hanging basket model casing 401 from first end to the scope of the arc length of the second end be 500-1500 rice, the scope of the radius of gyration of pivoted arm 200 can be 7.0m-9.0m, and wherein g represents acceleration of gravity.
The super gravity field for giant maritime work centrifugal machine according to the embodiment of the present invention makes wind apparatus, as shown in Figure 1, comprise: extra large work hanging basket model casing 401, honeycomb 901, fan blower 902 and air exhauster 903, wherein, sea work hanging basket model casing 401 is circular arc, in sea work hanging basket model casing 401, there is vallecular cavity 4011, the end face of the first end (left end as shown in Figure 1) of sea work hanging basket model casing 401 is provided with air inlet 4012 and water inlet 4014, the end face of second end (right-hand member as shown in Figure 1) of sea work hanging basket model casing 401 is provided with air outlet 4013 and water delivering orifice, now by from air inlet 4012 in vallecular cavity 4011 blowing and from air outlet 4013 outward exhausting to form wind circulating thus the object of wind is made in realization.
Sea work hanging basket model casing 401 is along being divided into first paragraph 4016, second segment 4018 from first end to the length direction of the second end and being positioned in the middle of first paragraph 4016 and second segment 4018 and interlude 4017 for placing marine structure 1300, the energy-dissipating structure 4019 of contiguous second end is provided with in second segment 4018, alternatively, energy-dissipating structure 4019 is slope.The diapire of interlude 4017 is outwardly to form groove 4020, in the groove 4020 and bottom surface of vallecular cavity 4011 is provided with soil property sea bed 700, that is, the bottom surface of first paragraph 4016 is placed with the soil property sea bed 700 that length is identical with the girth of first paragraph 4016, the bottom surface of second segment 4018 is placed with the soil property sea bed 700 that length is identical with the girth of second segment 4018, soil property sea bed 700 is placed with in groove 4020, and the either flush of soil property sea bed 700 on the end face of soil property sea bed 700 in groove 4020 and first paragraph 4016 and second segment 4018.Water 1200 is filled with in vallecular cavity 4011.
Wherein, what deserves to be explained is, super gravity field make wind apparatus be in off-duty state time, supply water to make to be filled with water 1200 in vallecular cavity 4011 in vallecular cavity 4011 by water inlet 4014, now water outlet is in closed condition.And can super gravity field make wind apparatus be in off-duty state time, entered by the outside draining of water delivering orifice and the water in vallecular cavity 4011 changed.Super gravity field make wind apparatus be in running status time, water inlet 4014 and water delivering orifice are all in closed condition.
Honeycomb 901 to be located in first paragraph 4016 and contiguous air inlet 4012.Fan blower 902 is connected with air inlet 4012, for passing through air inlet 4012 to air blast in vallecular cavity 4011.Air exhauster 903 is connected with air outlet 4013, for passing through air outlet 4013 from exhausting in vallecular cavity 4011.Thus utilize reverse-flow type or direct-action wind tunnel principle to produce the artificial controlled wind of horizontal direction by fan blower 902, honeycomb 901 and air exhauster 903, with the typical Marine Storm Genesis process of model.Particularly, the wind speed range of artificial controlled wind of the present invention is 0-30m/s, and namely can simulate the Marine Storm Genesis process of ten grades of typhoons when wind speed is maximum, its Mach number is lower than 0.4.
Particularly, first paragraph 4016 is for making wind section, and interlude 4017 is test section, second segment 4018 is energy dissipating section, and now, make wind section 4016 and utilize the artificial controlled wind that wind tunnel principle produces horizontal direction, velocity range is 0-30m/s, its Mach number is lower than 0.4.Marine structure 1300 is arranged at the uniform test section 4017 of central gas flow velocity, the interaction of the flowing of analog sea overdraught and marine structure, air extracts vallecular cavity 4011 out to form backflow by air exhauster 903 after flowing through test section 4017 again after energy dissipating section 4018 energy dissipating.Wherein, be worth understanding, super gravity field of the present invention is made wind apparatus and is also comprised test macro etc. and test with the interactional result of the Marine Storm Genesis process-marine structure-soil property sea bed to simulation.
Super gravity field according to the giant maritime work centrifugal machine of the embodiment of the present invention makes wind apparatus, circular arc is formed as by making extra large work hanging basket model casing 401, the rational super gravity field that is evenly distributed can be produced in extra large work hanging basket model casing 401 in the process that giant maritime work centrifugal machine rotates, under the effect of super gravity field, by fan blower 902, honeycomb 901 and air exhauster 903 produce artificial controlled wind, thus Marine Storm Genesis process can be reproduced under super gravity field, the interaction of simulating ocean environment Ocean storm processes-marine structure-soil property sea bed, and the Marine Storm Genesis process of simulation is true to nature, result is accurate, high-caliber experiment porch is provided for marine engineering design and operating technique break through.
In some embodiments of the invention, as shown in Figure 1, exhalant canal 4023 is provided with in the diapire of vallecular cavity 4011, exhalant canal 4023 has import 40231 and outlet 40232, the import 40231 of exhalant canal 4023 is connected with water delivering orifice, the outlet 40232 of exhalant canal 4023 is formed on the outside surface of the diapire of groove 4020, now, current in vallecular cavity 4011 are entered in exhalant canal 4023 by water delivering orifice, and vallecular cavity 4011 is discharged in the outlet 40232 from exhalant canal 4023 after flowing through whole exhalant canal 4023.Thus can be convenient to discharge the water in vallecular cavity 4011.Alternatively, as shown in Figure 1, the outlet 40232 of exhalant canal 4023 is positioned at the center of the diapire of groove 4020.Wherein, what deserves to be explained is, super gravity field make wind apparatus be in running status time, exhalant canal 4023 is in closed condition.
In some embodiments of the invention, as shown in Figure 1, first paragraph 4016 is identical with the girth of second segment 4018 and be mutually symmetrical relative to interlude 4017, thus can ensure that the ocean current process simulated is true to nature, result is accurate further.Further, the diapire of groove 4020 is flat, thus can be convenient to the machine-shaping of extra large work hanging basket model casing 401, ensures that super gravity field distributes rationally evenly in extra large work hanging basket model casing 401 further.As shown in Figure 2 and Figure 4, in examples more of the present invention, extra large work hanging basket model casing 401 has rectangular cross section, thus ensures that centrifugal acceleration field is evenly distributed on extra large work hanging basket model casing 401 further.
For the ease of placing soil property sea bed 700 and marine structure 1300 in extra large work hanging basket model casing 401, in some embodiments of the invention, as shown in Figure 1, the roof of the interlude 4017 of extra large work hanging basket model casing 401 is provided with open top, and open top is sealed by cover plate 4022.
According to some embodiments of the present invention, as shown in figures 1 and 3, super gravity field for giant maritime work centrifugal machine is made wind apparatus and is also comprised air channel 904, this air channel 904 has rectangular cross section, and air channel 904 is located at the top in vallecular cavity 4011, and air channel 904 is opened wide towards the side of the diapire of vallecular cavity 4011, thus the flow direction of wind can be guided by being provided with air channel 904, the artificial controlled wind of further guarantee be horizontal flow to, true to nature to ensure Marine Storm Genesis process further, result is accurate.
Further, as shown in Figure 3, air channel 904 has rectangular cross section and edge is divided into stable section 9041, contraction section 9042, test section 9043 from length direction, amplifies section 9044 and exhausting return-air section 9045, wherein, stable section 9041 and exhausting section 9045 of bleeding have constant cross-sectional area, the cross-sectional area of contraction section 9042 reduces along its length gradually, and the cross-sectional area amplifying section 9044 increases along its length gradually, and test section 9043 has constant cross-sectional area.Thus can ensure that the gas flow rate through test section 9043 is stablized, accurate with the result of the dynamic interaction ensureing the Marine Storm Genesis process-marine structure-soil property sea bed of simulating.
According to the super gravity field for giant maritime work centrifugal machine of the embodiment of the present invention make wind apparatus be mainly used in simulating ocean environment under heterogeneous, multiple dimensioned, many process physical mechanical behavior of each marine structure and sea bed system and dynamic interaction, mainly aim at three major types great oceanographic engineering problem in science in the urgent need to address: 1) the co-operation problem of Marine Storm Genesis process-marine structure-soil property sea bed; 2) Against Marine Natural Disaster and engineering risk problem; 3) sea floor exploration method validation and Evaluation on Geotechnical Engineering problem.Be intended to realize four great scientific goal: 1) reproduce marine environment and to plunge into the commercial sea the dynamic behavior of work Structure Soil matter sea bed; 2) marine structure infestation regularity is disclosed; 3) Marine Storm Genesis process-marine structure-soil property sea bed interaction theory is set up; 4) large-scale marine structure system design scheme is contrasted, for marine engineering design, operating technique breakthrough provide high-caliber verification experimental verification platform.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (10)
1. the super gravity field for giant maritime work centrifugal machine makes a wind apparatus, it is characterized in that, comprising:
Sea work hanging basket model casing, described extra large work hanging basket model casing is circular arc, in described extra large work hanging basket model casing, there is vallecular cavity, the end face of the first end of described extra large work hanging basket model casing is provided with air inlet and water inlet, the end face of the second end of described extra large work hanging basket model casing is provided with air outlet and water delivering orifice, described extra large work hanging basket model casing is along being divided into first paragraph from described first end to the length direction of described second end, second segment and being positioned in the middle of described first paragraph and second segment and interlude for placing marine structure, the energy-dissipating structure of contiguous described second end is provided with in described second segment, the diapire of described interlude is outwardly to form groove, in described groove and the bottom surface of described vallecular cavity is provided with soil property sea bed, water is filled with in described vallecular cavity,
Honeycomb, described honeycomb to be located in described first paragraph and contiguous described air inlet;
Fan blower, described fan blower is connected with described air inlet, for by described air inlet to air blast in described vallecular cavity; With
Air exhauster, described air exhauster is connected with described air outlet, for by described air outlet from exhausting in described vallecular cavity.
2. the super gravity field for giant maritime work centrifugal machine according to claim 1 makes wind apparatus, it is characterized in that, exhalant canal is provided with in the diapire of described vallecular cavity, described exhalant canal has import and outlet, the import of described exhalant canal is connected with described water delivering orifice, and the outlet of described exhalant canal is formed on the outside surface of the diapire of described groove.
3. the super gravity field for giant maritime work centrifugal machine according to claim 2 makes wind apparatus, it is characterized in that, the outlet of described exhalant canal is positioned at the center of the diapire of described groove.
4. the super gravity field for giant maritime work centrifugal machine according to claim 3 makes wind apparatus, it is characterized in that, described first paragraph is identical with the girth of second segment and be mutually symmetrical relative to described interlude.
5. the super gravity field for giant maritime work centrifugal machine according to claim 4 makes wind apparatus, it is characterized in that, the diapire of described groove is flat.
6. the super gravity field for giant maritime work centrifugal machine according to claim 1 makes wind apparatus, it is characterized in that, described extra large work hanging basket model casing has rectangular cross section.
7. the super gravity field for giant maritime work centrifugal machine according to claim 1 makes wind apparatus, it is characterized in that, the roof of the interlude of described extra large work hanging basket model casing is provided with open top, and described open top is by cover plate for sealing.
8. the super gravity field for giant maritime work centrifugal machine according to claim 1 makes wind apparatus, it is characterized in that, described energy-dissipating structure is slope.
9. the super gravity field for giant maritime work centrifugal machine according to any one of claim 1-8 makes wind apparatus, it is characterized in that, also comprise air channel, described air channel has rectangular cross section, described air channel is located at the top in described vallecular cavity, and described air channel is opened wide towards the side of the diapire of described vallecular cavity.
10. the super gravity field for giant maritime work centrifugal machine according to claim 9 makes wind apparatus, it is characterized in that, described air channel has rectangular cross section and edge is divided into stable section, contraction section, test section, amplification section and exhausting return-air section from described length direction, described stable section and described exhausting return-air section have constant cross-sectional area, the cross-sectional area of described contraction section reduces gradually along described length direction, and the cross-sectional area of described amplification section increases gradually along described length direction.
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| CN104233998A (en) * | 2014-09-29 | 2014-12-24 | 中国工程物理研究院总体工程研究所 | High-flow water circulation system for giant geotechnical centrifuge |
| CN105784975B (en) * | 2015-05-12 | 2017-06-20 | 北京师范大学 | One kind landslide building model test apparatus |
| CN105738599B (en) * | 2015-05-12 | 2017-06-20 | 北京师范大学 | One kind landslide experimental rig |
| CN105954494B (en) * | 2015-05-12 | 2017-06-20 | 北京师范大学 | A kind of device for slope model test |
| CN105738598B (en) * | 2015-05-12 | 2017-06-16 | 北京师范大学 | Slope model test device |
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