CN203825895U - A Magnus effect experiment apparatus - Google Patents
A Magnus effect experiment apparatus Download PDFInfo
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- CN203825895U CN203825895U CN201420224486.2U CN201420224486U CN203825895U CN 203825895 U CN203825895 U CN 203825895U CN 201420224486 U CN201420224486 U CN 201420224486U CN 203825895 U CN203825895 U CN 203825895U
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- effect experiment
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Abstract
The utility model discloses a Magnus effect experiment apparatus comprising a rack, an air supply passage and an air supply apparatus. The air supply passage is communicated with one side of the rack. The end of the air supply passage is connected with the air supply apparatus. The top end of the external portion of the rack is provided with a power apparatus. A spherical object is arranged inside the rack. A metal rod goes through the center of the spherical object. The upper end of the metal rod is in flexible connection with the power apparatus. The lower end of the metal rod is inserted into an aperture of a sliding bearing. The two sides of the sliding bearing is fixed on the rack through a flexible member. Strain transducers are arranged on symmetrical positions of the flexible member. The apparatus described by the utility model can measure a force born by the spherical object when the spherical object is at different spherical object speeds and self-rotating speeds. The apparatus is simple in mechanism, strong in visual degree and is very wide in application, and for example, the apparatus can provide effective references in aspects of culturing excellent football players or other related aspects of design parameters which need a granular form air-flow pipeline conveying process.
Description
Technical field
The utility model relates to a kind of Mai Geniusi effect experiment device.
Background technology
During football match, often launch free kick, football is walked around wall and is directly slamed into the net, and this free kick key is to allow football arch aloft.According to Newtonian theory, football can be pressed camber line flight aloft, must have a power to make it can not be by rectilinear flight, and the effect that ball is subject to a side force in the process of flight could produce camber line, and this phenomenon is referred to as Mai Geniusi effect.
Mai Geniusi effect exists in a lot of fields and is used effectively, and if granular material is in horizontal pipe process of air delivery, if the utilization of Mai Geniusi effect is reasonable, particle moving is difficult for heavy wall, and the power of conveying will significantly reduce.
Therefore, research Mai Geniusi effect has very large science and actual application value, but it is unrealistic in situation, to study out of doors such problem, because ball can not be accurate to the situation of each moment under motion conditions, and the very large influence factor of outdoor always existence, as the impact of the weather of blowing.Therefore still unallowed under present circumstances, so, just must in testing laboratory, simulate such environment and study.
Summary of the invention
Technical matters to be solved by this invention is: the stress in a kind of sphere moving process that can rotate at laboratory condition Imitating is provided, and can tests the Mai Geniusi effect experiment device of collecting experimental data.
The utility model solves the technical scheme that its technical matters adopts:
A Mai Geniusi effect experiment device, comprises frame, air-supply passage and air-supply arrangement; Air-supply passage is connected with frame one side, and air-supply passage end is connected with air-supply arrangement; Described frame outer tip end is provided with propulsion system; Frame inside is provided with a spherical object, one metal bar is through spherical object center, and metal bar upper end and propulsion system flexibly connect, and insert in the hole of sliding bearing metal bar lower end, sliding bearing both sides are fixed in frame by flexible piece, and on flexible piece, symmetric position arranges strain transducer.
Preferably, in above-mentioned experimental provision, frame one side being connected with air-supply passage is provided with honeycomb mesh.
Further, described honeycomb mesh can be set to 1-3 layer.
Further, described honeycomb mesh is 2 layers.
Preferably, in above-mentioned experimental provision, metal bar and spherical object are integrated design.Propulsion system can drive spherical object to rotate together with metal bar.
Further, spherical object is copper ball.
Preferably, described strain transducer is pressure resistance type strain transducer.
Preferably, described air-supply arrangement is adjustable speed fan, or other can complete the device of corresponding object.
Preferably, described propulsion system are buncher, or other can complete the device of corresponding object.
Preferably, described air-supply passage is the little horn shape of the large end opening of an end opening.
Further, the inlet air of air-supply passage is young, and air outlet is large.
The beneficial effects of the utility model are:
In device described in the utility model, spherical object is selected the large heavy copper ball of density, can ensure centering and stationarity in the operation process of spheroid; Spheroid translational speed is supplied with required air-flow by adjustable speed fan and is replaced, and has installed honeycomb mesh additional between adjustable speed fan and spheroid, to ensure that the air quantity that adjustable speed fan is supplied with evenly skims over along spheroid both sides; Insert in the hole of sliding bearing metal bar lower end, and sliding bearing both sides adopt flexible piece to be fixed in frame, and on flexible piece, symmetric position arranges pressure resistance type strain transducer.The side force that spheroid is subject in mobile and spin process causes flexible piece STRESS VARIATION, thereby cause the change in resistance of foil gauge in sensor, after utilizing bridge circuit to collect the electric signal of change in resistance, be converted into stressed numerical value, can know easily the stressing conditions under different conditions of spheroid.
Device described in the utility model adopts testing tool can measure the stressed size of spheroid when different ball speed and rotation rotating speed.This equipment mechanism is simple, and intuitive is strong, applies very extensive.Cultivating aspect outstanding football player, or other needs the designing parameters aspect of granular airflow line course of conveying, this device can both provide effective reference.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 be the utility model A to schematic diagram.
In accompanying drawing, 1. frame, 2. buncher, 3. metal bar, 4. spherical object, 5. honeycomb mesh, 6. air-supply passage, 7. adjustable speed fan, 8. foil gauge, 9. sliding bearing, 10. flexible piece.
Embodiment
Embodiment 1
As shown in Figure 1, 2, Fig. 2 is the upward view of Fig. 1.Fig. 1 and Fig. 2 provide a kind of Mai Geniusi effect experiment device, comprise frame, air-supply passage and adjustable speed fan; Air-supply passage is connected with frame one side, and air-supply passage end is connected with adjustable speed fan; Described frame outer tip end is provided with buncher; Frame inside is provided with a copper ball, one metal bar is through copper ball center, and metal bar upper end and buncher flexibly connect, and insert in the hole of sliding bearing metal bar lower end, sliding bearing both sides are fixed in frame by flexible piece, and on flexible piece, symmetric position arranges pressure resistance type strain transducer.Frame one side being connected with air-supply passage is provided with 2 layers of honeycomb mesh.Metal bar and spherical object are integrated design.Propulsion system can drive spherical object to rotate together with metal bar.The inlet air of described air-supply passage is young, and air outlet is large, flare shape.
In device described in the present embodiment, spherical object 4 flexibly connects by metal bar 3 and buncher 2, under the drive of buncher 2, press design speed rotation, spherical object 4 is in the process of spin, be subject to adjustable speed fan 7 by the windage of certain uniform air flow flow velocity of air-supply passage 6 and honeycomb mesh 5 supplies, insert in the hole of sliding bearing 9 metal bar 3 lower ends of spherical object 4, be subject to the effect of side force, metal bar 3 promotes the STRESS VARIATION that sliding bearing 9 causes flexible piece 10, thereby cause the change in resistance of the foil gauge 8 on strain transducer, after utilizing bridge circuit to collect the electric signal of change in resistance, just can be converted into stressed numerical value.
The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (10)
1. Yi Zhong Mai Geniusi effect experiment device, is characterized in that, comprises frame, air-supply passage and air-supply arrangement; Air-supply passage is connected with frame one side, and air-supply passage end is connected with air-supply arrangement; Described frame outer tip end is provided with propulsion system; Frame inside is provided with a spherical object, one metal bar is through spherical object center, and metal bar upper end and propulsion system flexibly connect, and insert in the hole of sliding bearing metal bar lower end, sliding bearing both sides are fixed in frame by flexible piece, and on flexible piece, symmetric position arranges strain transducer.
2. Mai Geniusi effect experiment device according to claim 1, is characterized in that, frame one side being connected with air-supply passage is provided with honeycomb mesh.
3. Mai Geniusi effect experiment device according to claim 2, is characterized in that, described honeycomb mesh is 1-3 layer.
4. Mai Geniusi effect experiment device according to claim 3, is characterized in that, described honeycomb mesh is 2 layers.
5. Mai Geniusi effect experiment device according to claim 1, is characterized in that, metal bar and spherical object are integrated design.
6. Mai Geniusi effect experiment device according to claim 1 or 5, is characterized in that, spherical object is copper ball.
7. Mai Geniusi effect experiment device according to claim 1, is characterized in that, described strain transducer is pressure resistance type strain transducer.
8. Mai Geniusi effect experiment device according to claim 1, is characterized in that, described air-supply arrangement is adjustable speed fan.
9. Mai Geniusi effect experiment device according to claim 1, is characterized in that, described propulsion system are buncher.
10. Mai Geniusi effect experiment device according to claim 1, is characterized in that, described air-supply passage is the little horn shape of the large end opening of an end opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224486.2U CN203825895U (en) | 2014-05-05 | 2014-05-05 | A Magnus effect experiment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224486.2U CN203825895U (en) | 2014-05-05 | 2014-05-05 | A Magnus effect experiment apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN203825895U true CN203825895U (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420224486.2U Expired - Fee Related CN203825895U (en) | 2014-05-05 | 2014-05-05 | A Magnus effect experiment apparatus |
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| CN (1) | CN203825895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269089A (en) * | 2014-09-27 | 2015-01-07 | 复旦大学 | Magnus effect demonstration instrument |
-
2014
- 2014-05-05 CN CN201420224486.2U patent/CN203825895U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269089A (en) * | 2014-09-27 | 2015-01-07 | 复旦大学 | Magnus effect demonstration instrument |
| CN104269089B (en) * | 2014-09-27 | 2016-08-24 | 复旦大学 | A kind of Magnus effect demonstrator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20150505 |
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| EXPY | Termination of patent right or utility model |