Water-cooling support rod and processing method thereof

A technology of water cooling and struts, applied in the direction of additive processing, additive manufacturing, instruments, etc., can solve problems such as model attitude changes, achieve the effect of large water flow coverage, optimize waterways, and change temperature distribution

Active Publication Date: 2021-01-15
INST OF HIGH SPEED AERODYNAMICS OF CHINA AERODYNAMICS RES & DEV CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to propose a manufacturing process combining traditional processing technology and 3D printing technology for the current strut structure, and to design a brand-new water-cooled strut with a unique waterway structure, so as to solve the problem of current struts due to heat Defects of model pose changes caused by inhomogeneity

Method used

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  • Water-cooling support rod and processing method thereof
  • Water-cooling support rod and processing method thereof

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Embodiment Construction

[0034] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0035] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0036] Such as figure 1 As shown, it is a schematic structural diagram of this embodiment. In this embodiment, the water-cooled strut includes a rod body 1 and a water-cooled jacket 2 wrapped on the surface of the rod body 1. The water-cooled structure is formed between the shape and structure of the water-cooled jacket and the surface of the strut. Specifically for:

[0037] In this embodiment, protruding parts 3 are provided on both sides ...

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Abstract

The invention discloses a water-cooling support rod and a processing method thereof. The connected water-cooling sleeve and support rod are respectively provided with a first water path and a sixth water path which are arranged between the water-cooling sleeve and the surface of the support rod and are not communicated with each other, and a second water path, a third water path, a fourth water path and a fifth water path which are arranged in the water-cooling sleeve and are parallel to each other along the axial direction; all the water paths are of mutually independent structures and are sequentially connected to form a complete water path structure; the full-water-cooling supporting rod is designed and machined through a traditional machining method and a 3D printing technology combined machining method, the water cooling efficiency is improved, the temperature gradient of the supporting rod is reduced, deformation, caused by temperature changes, of the supporting rod in a wind tunnel test is restrained, and the hypersonic wind tunnel force measurement test precision is improved.

Description

technical field [0001] The invention belongs to the technical field of aerodynamic force measurement for aerospace dynamometer tests, and specifically relates to a water-cooled strut and its processing for the problem of strut deformation caused by a sharp rise in flow field temperature during a hypersonic wind tunnel test. method. Background technique [0002] During the hypersonic wind tunnel force test, the temperature of the flow field rises sharply to about 800K within a few minutes after the start of the wind tunnel (when Ma=8), and the test model, balance, strut, and wind tunnel support mechanism are all subjected to flow The influence of field temperature produces different temperature changes. Experiments have proved that because the strut is directly exposed to the flow field, its temperature change is much more severe than that of the balance inside the model, and there is an obvious temperature gradient on the upper and lower surfaces of the strut, which directly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M9/06B33Y80/00B22F5/00B22F10/00
CPCG01M9/062B33Y80/00B22F5/00B22F3/00
Inventor 马涛王树民胥继斌易国庆张鑫郭鹏康凯周米文谭建昌
Owner INST OF HIGH SPEED AERODYNAMICS OF CHINA AERODYNAMICS RES & DEV CENT
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