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Novel gas tank aeroelastic model system

An aeroelasticity, gas tank technology, applied in aerodynamic tests, measuring devices, instruments, etc., can solve the problems of difficulty in ensuring the correctness of the test, inability to accurately simulate the actual state of the piston and the cabinet, and achieve the effect of accurate test results.

Active Publication Date: 2017-09-19
CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At this stage, most of the aeroelastic model wind tunnel tests of traditional space structures use node coupling to "lock" or "fasten" the contact point between the piston and the cabinet; there is a huge difference from the actual piston suspension state. The actual state of the contact between the piston and the cabinet cannot be accurately simulated, and it is difficult to ensure the correctness of the test

Method used

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  • Novel gas tank aeroelastic model system
  • Novel gas tank aeroelastic model system
  • Novel gas tank aeroelastic model system

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Experimental program
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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the embodiments and accompanying drawings.

[0031] Such as Figure 1 to Figure 11 As shown, a new gas tank aeroelastic model system, including a spliced ​​cabinet c, the spliced ​​cabinet c is vertically equipped with a central support cylinder a, and the central support cylinder a is axially equipped with multiple test points A piston assembly b is provided outside the central support cylinder a, and the piston assembly b is correspondingly arranged at any of the test positions, and a floating guide d2 is provided between the piston assembly b and the spliced ​​cabinet c.

[0032] The central support cylinder a includes a cylinder body a1, the outer wall of the cylinder body a1 is provided with a piston support a3, and the piston support a3 is detachably connected to the cylinder a1 corresponding to any of the test points, and the piston Assembly b falls on said piston support a3.

[0033] A p...

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PUM

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Abstract

The present invention discloses a novel gas tank aeroelastic model system which comprises a spliced tank body which is internally provided with a center support cylinder in a vertical direction. The center support cylinder is axially provided with a plurality of test sites. A piston assembly sleeves the center support cylinder. The piston assembly is correspondingly arranged at any test site. A floating guide piece is arranged between the piston assembly and the spliced tank body. The novel gas tank aeroelastic model system of the invention has the advantages that the suspension state of a piston, a translational state in suspension and the lifting of the piston can be really simulated, a gas tank in practical production is highly restored, and a test result is more accurate when the wind tunnel test aeroelastic model study of the gas tank is carried out.

Description

technical field [0001] The invention relates to a civil engineering wind tunnel test, in particular to a novel gas tank aeroelastic model system. Background technique [0002] The gas tank is a steel container for storing industrial and civil gas, and there are two types of wet gas tank and dry gas tank. The wet gas holder is a simple cylindrical structure sealed with water; the dry gas holder is a piston structure sealed with thin (dry) oil or flexible film. The bell jar, tower and piston of the gas cabinet are movable structures, which bear gas pressure and ensure good sealing performance, and require high installation accuracy. The gas cabinet body is made of carbon steel and low alloy steel. The construction site connection methods include riveting, welding and high-strength bolt connection. Welding generally adopts manual welding and CO 2 Gas shielded welding. Roof trusses and roof panels are usually installed with the aid of a central gantry provided. During the ...

Claims

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Application Information

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IPC IPC(8): G01M9/04G01M9/08
CPCG01M9/04G01M9/08
Inventor 刘欣鹏晏致涛李正良孙毅肖正直汪之松樊佳
Owner CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY
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