CN114414200B - Wind tunnel experiment device based on Magnus effect - Google Patents
Wind tunnel experiment device based on Magnus effect Download PDFInfo
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- CN114414200B CN114414200B CN202111637564.2A CN202111637564A CN114414200B CN 114414200 B CN114414200 B CN 114414200B CN 202111637564 A CN202111637564 A CN 202111637564A CN 114414200 B CN114414200 B CN 114414200B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
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Abstract
The invention belongs to the technical field of hydrodynamic experiments, and particularly relates to a magnus effect-based wind tunnel experiment device. The invention can accurately measure the calendar curve of the resistance and the lift force of the two rotor systems under the action of transverse wind power, which are affected by interaction; the horizontal and vertical distance between the rotors, the rotating speed of the rotors and the steering can be automatically adjusted. The invention can change rotors with different forms including changing length-diameter ratio, disk-diameter ratio or surface roughness through a coupling, and the wind tunnel experimental test required by experimental study can be completed by a controlled variable method. The device has reasonable structure, can complete the aerodynamic characteristic research of two magnus rotors under the interaction of different distances through the combination of sensor monitoring and main control computer analysis, provides effective experimental basis for the theory and numerical research of the wind power boosting rotor, and has simple operation, high degree of automation and wide application prospect.
Description
Technical Field
The invention belongs to the technical field of hydrodynamic experiments, and particularly relates to a magnus effect-based wind tunnel experiment device.
Background
In order to cope with climate change, china proposes that carbon dioxide emission strives to reach a peak before 2030 and strives to achieve a target commitment of carbon neutralization and the like before 2060. With the increasing prominence of energy and environmental problems faced by human beings, wind power is utilized to assist navigation of ships and regain attention. The working principle is based on the Magnus effect: the rotating cylinder will be subjected to lateral forces perpendicular to the flow direction under the influence of the incoming flow. By installing the wind power boosting rotor on the ship, the rotor is driven to rotate in the wind to generate force perpendicular to the wind speed direction, so that forward boosting power is provided for the ship. In recent years, the research of aerodynamic performance of a wind power-assisted rotor has become a research hotspot of related industries, but the research of rotor performance interference problems is less, the research of the distance and relative position relationship between rotors on aerodynamic performance influence and mechanism of upstream and downstream rotors is insufficient, and particularly, the experimental research is carried out, so that the research of aerodynamic characteristics of two magnus rotors under interaction of different distances is particularly important.
Disclosure of Invention
The invention aims to provide a wind tunnel experimental device based on a Magnus effect.
A wind tunnel experimental device based on the Magnus effect comprises a base 1, a force measuring bracket 2, a servo motor 3, a measuring device 4, a fixed support 5, a coupler 6 and a Magnus rotor 7; the force measuring bracket 2 is arranged on the base 1; the two groups of magnus rotors 7 are respectively arranged on the two groups of force measuring brackets 2, and the two groups of magnus rotors 7 are arranged in parallel; the head end and the tail end of the magnus rotor 7 are respectively connected with the measuring device 4, one end of the magnus rotor is connected with the servo motor 3 through the coupler 6, and the servo motor 3 and the measuring device 4 are respectively arranged on the force measuring bracket 2 through the fixed support 5; the horizontal distance between the two groups of magnus rotors 7 is controlled by adjusting the distance between the two groups of force measuring brackets 2, and the vertical distance between the magnus rotors 7 is controlled by adjusting the distance between the fixed support 5 and the base 1; the rotating magnus rotor 7 is subjected to the lateral lifting force perpendicular to the flowing direction and the resistance action of the flowing direction under the action of the transverse flowing, the magnus rotor 7 rotates in the transverse flowing direction to generate force perpendicular to the flowing direction, measurement data are obtained by the measuring device 4, and the measurement data are combined with the analysis of the main control computer through sensor monitoring, so that the aerodynamic characteristic research of the two magnus rotors affected by interaction at different distances under the action of the transverse flowing is completed.
Further, the measuring device 4 comprises a bearing, a pressure sensor and a fixed disc, and the data acquisition and analysis of the aerodynamic characteristic research of the two groups of magnus rotors 7 under the interaction of different distances can be completed by the combination of pressure sensor monitoring and main control computer analysis.
The invention has the beneficial effects that:
the invention can accurately measure the calendar curve of the resistance and the lift force of the two rotor systems under the action of transverse wind power, which are affected by interaction; the horizontal and vertical distance between the rotors, the rotating speed of the rotors and the steering can be automatically adjusted. The invention can change rotors with different forms including changing length-diameter ratio, disk-diameter ratio or surface roughness through a coupling, and the wind tunnel experimental test required by experimental study can be completed by a controlled variable method. The device has reasonable structure, can complete the aerodynamic characteristic research of two magnus rotors under the interaction of different distances through the combination of sensor monitoring and main control computer analysis, provides effective experimental basis for the theory and numerical research of the wind power boosting rotor, and has simple operation, high degree of automation and wide application prospect.
Drawings
FIG. 1 is a general layout of a magnus effect based wind tunnel experimental device in the present invention.
Fig. 2a is a front view of a magnus effect based wind tunnel experimental device according to the present invention.
Fig. 2b is a top view of a magnus effect based wind tunnel experimental device according to the invention.
Fig. 2c is a left side view of a magnus effect based wind tunnel experimental device according to the present invention.
Fig. 3 is a partial view of a magnus rotor system of the present invention.
Fig. 4 is a force diagram of a magnus rotor when subjected to lateral forces.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention aims to provide a magnus effect-based wind tunnel experimental device which is high in automation degree, easy to operate, high in comprehensiveness and high in economy.
The utility model provides a wind tunnel experimental device based on magnus effect, including base 1, force measurement support 2, servo motor 3, measuring device 4, fixed bolster 5, shaft coupling 6 and rotor system 7, its characterized in that force measurement support 2 installs in base 1 top, through the horizontal distance to two force measurement support 2 interval adjustment steerable rotor system 7 between, servo motor 3 and measuring device 4 are fixed on force measurement support 2 by fixed bolster 5 respectively, through the perpendicular distance between adjustable rotor system 7 of distance of adjusting fixed bolster 5 and base 1, accomplish the aerodynamic characteristic research of the resistance and the lift of two rotor systems under the lateral wind effect under the different distances of accurate measurement influence of interaction.
The force measuring brackets 2 are arranged above the base 1, and the horizontal distance between the two force measuring brackets 2 and the controllable rotor system 7 is adjusted by the distance between the two force measuring brackets 2, wherein the distance range is 0-1.5 m, so that the device can simulate the aerodynamic characteristic research of two magnus rotors under the interaction of different horizontal distances. The servo motor 3 and the measuring device 4 are respectively fixed on the force measuring bracket 2 through a fixed support 5, and the vertical distance between the rotor system 7 can be controlled by adjusting the distance between the fixed support 5 and the base 1, and the distance range is 0-1.2 m, so that the device can simulate the aerodynamic characteristic research of two magnus rotors under the interaction of different vertical distances. The servo motor 3 is arranged on one side of the force measuring bracket 2 through a fixed bracket, transmits the output rotation speed to a rotor system through a coupler 6 and a measuring device 4, and transmits data to a main control computer. The measuring device 4 comprises a bearing, a pressure sensor, a fixed disc and other parts, and can complete data acquisition and analysis of aerodynamic characteristic research of two magnus rotors under interaction of different distances through the combination of pressure sensor monitoring and main control computer analysis. The distance between the two force measuring brackets 2 and the distance between the fixed support 5 and the base 1 can be adjusted simultaneously, so that the device can simulate the aerodynamic characteristic research of two magnus rotors under the interaction of different distances.
The invention can accurately measure the calendar curve of the resistance and the lift force of the two rotor systems under the action of transverse wind power, which are affected by interaction; the horizontal and vertical distances between the rotors can be automatically adjusted; the rotating speed and the steering direction of the rotor can be automatically adjusted; the wind tunnel experimental test required by experimental study can be completed by changing rotors with different forms including changing length-diameter ratio, disk-diameter ratio or surface roughness and the like through a coupling and controlling a variable method. The device has reasonable structure, can complete the aerodynamic characteristic research of two magnus rotors under the interaction of different distances through the combination of sensor monitoring and main control computer analysis, provides effective experimental basis for the theory and numerical research of the wind power boosting rotor, and has simple operation, high degree of automation and wide application prospect.
As shown in fig. 1, a general layout of the present invention is shown; the utility model provides a wind tunnel experimental device based on magnus effect, including base 1, force measurement support 2, servo motor 3, measuring device 4, fixed bolster 5, shaft coupling 6 and rotor system 7 are constituteed, when this experimental device work, force measurement support 2 installs in base 1 top, through the horizontal distance to two force measurement support 2 interval adjustment controllable rotor system 7, servo motor 3 and measuring device 4 are fixed on force measurement support 2 by fixed bolster 5 respectively, through the perpendicular distance between adjustable rotor system 7 of distance of adjusting fixed bolster 5 and base 1, and through sensor monitoring and main control computer analysis combination, can accomplish the aerodynamic characteristic research of two magnus rotors under different distance interact.
As shown in fig. 2a, which is a front view of the experimental device, the horizontal distance between the controllable rotor systems 7 is adjusted by adjusting the distance between the two force measuring brackets 2, and the distance range is 0-1.5 m, so that the device can simulate the aerodynamic characteristic research of two magnus rotors under the interaction of different horizontal distances; as shown in fig. 2b, which is a top view of the experimental device, the vertical distance between the rotor system 7 and the device can be controlled by adjusting the distance between the fixed support 5 and the base 1, and the distance is 0-1.2 m, so that the device can simulate the aerodynamic characteristic research of two magnus rotors under the interaction of different vertical distances. The method comprises the steps of carrying out a first treatment on the surface of the As shown in fig. 2c, which is a left side view of the experimental device, by controlling the distance adjustment of the two force measuring brackets 2 and the distance adjustment of the fixed support 5 and the base 1 at the same time, the device can simulate the aerodynamic characteristic research of two magnus rotors under the interaction of different distances.
As shown in fig. 3, the invention device is a partial view, and comprises a servo motor 3, a measuring device 4, a fixed support 5, a coupling 6, a rotor system 7 and other components. The servo motor 3 is arranged on one side of the force measuring bracket 2 through a fixed bracket 5, and transmits the output rotation speed to the rotor system through a coupler 6 and a measuring device 4. According to the experimental requirements, different rotors can be replaced through the coupler 6, and the rotating speed and the steering direction of the rotors can be automatically adjusted through changing the servo motor 3, so that the aerodynamic characteristic research of two magnus rotors at different rotating speeds and under different steering directions can be simulated.
As shown in fig. 4, which is a diagram of the lateral force exerted on the magnus rotor, when the device is in operation, the rotating magnus rotor will be subjected to lateral lift forces perpendicular to the flow direction and drag forces in the flow direction by the lateral flow. The rotor system 7 rotates in transverse wind to generate force vertical to the wind speed direction, measurement data are obtained by the measurement device 4, and the aerodynamic characteristic research of two magnus rotors under the interaction of different distances can be completed through the combination of sensor monitoring and analysis of a main control computer.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. Wind tunnel experiment device based on magnus effect, its characterized in that: the device comprises a base (1), a force measuring bracket (2), a servo motor (3), a measuring device (4), a fixed support (5), a coupler (6) and a magnus rotor (7); the force measuring bracket (2) is arranged on the base (1); the magnus rotors (7) are arranged in two groups and are respectively arranged on the two groups of force measuring brackets (2), and the two groups of magnus rotors (7) are arranged in parallel; the head end and the tail end of the Magnus rotor (7) are respectively connected with the measuring device (4), one end of the Magnus rotor is connected with the servo motor (3) through the coupler (6), and the servo motor (3) and the measuring device (4) are respectively arranged on the force measuring bracket (2) through the fixed support (5); the horizontal distance between the two groups of magnus rotors (7) is controlled by adjusting the distance between the two groups of force measuring brackets (2), and the vertical distance between the magnus rotors (7) is controlled by adjusting the distance between the fixed support (5) and the base (1); the rotating magnus rotor (7) can be subjected to the lateral lifting force perpendicular to the flowing direction and the resistance effect of the flowing direction under the action of the transverse flowing, the magnus rotor (7) rotates in the transverse flowing direction to generate force perpendicular to the flowing direction, the measuring device (4) obtains measuring data, and the measuring data are combined with the analysis of the main control computer through sensor monitoring, so that the aerodynamic characteristic research of the two magnus rotors affected by interaction at different distances under the action of the transverse flowing direction is completed.
2. The magnus effect-based wind tunnel experiment device according to claim 1, wherein: the measuring device (4) comprises a bearing, a pressure sensor and a fixed disc, and can complete data acquisition and analysis of aerodynamic characteristic research of two groups of magnus rotors (7) under interaction of different distances through the combination of pressure sensor monitoring and main control computer analysis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111637564.2A CN114414200B (en) | 2021-12-29 | 2021-12-29 | Wind tunnel experiment device based on Magnus effect |
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| CN202111637564.2A CN114414200B (en) | 2021-12-29 | 2021-12-29 | Wind tunnel experiment device based on Magnus effect |
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| CN114414200A CN114414200A (en) | 2022-04-29 |
| CN114414200B true CN114414200B (en) | 2023-09-29 |
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| CN116105967B (en) * | 2023-04-17 | 2023-06-20 | 四川省农业机械研究设计院 | Wind field experiment platform for crop lodging resistance test experiment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006299990A (en) * | 2005-04-22 | 2006-11-02 | Fjc:Kk | Multishaft windmill |
| CN101930683A (en) * | 2010-09-07 | 2010-12-29 | 河海大学 | Wind tunnel-free Magnus effect demonstrating experiment device |
| KR20120094646A (en) * | 2011-02-17 | 2012-08-27 | 이서영 | Experimental apparatus to prove the magnus effect numerically |
| CN113670573A (en) * | 2021-09-03 | 2021-11-19 | 哈尔滨工程大学 | Wind-force boosting rotor aerodynamic characteristic experimental apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI710501B (en) * | 2019-06-27 | 2020-11-21 | 周中奇 | Magnus rotor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006299990A (en) * | 2005-04-22 | 2006-11-02 | Fjc:Kk | Multishaft windmill |
| CN101930683A (en) * | 2010-09-07 | 2010-12-29 | 河海大学 | Wind tunnel-free Magnus effect demonstrating experiment device |
| KR20120094646A (en) * | 2011-02-17 | 2012-08-27 | 이서영 | Experimental apparatus to prove the magnus effect numerically |
| CN113670573A (en) * | 2021-09-03 | 2021-11-19 | 哈尔滨工程大学 | Wind-force boosting rotor aerodynamic characteristic experimental apparatus |
Non-Patent Citations (2)
| Title |
|---|
| Magnus效应动力演示仪;王仿等;《物理实验》;第38卷(第2期);第31-33页 * |
| 基于Magnus效应的旋转圆柱实验教学平台设计;韩阳等;《实验室研究与探索》;第39卷(第8期);第27-29页 * |
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