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High-temperature internal pressure shear deformation lateral stiffness test system of pipeline system

A test and shear deformation technology, which is applied in the testing of mechanical components, jet engine testing, gas turbine engine testing, etc., can solve the influence of pipeline shear stiffness reduction, pipeline shear stiffness increase, and structural stiffness Difficult to accurately assess and other issues to achieve the effect of reducing adverse effects

Active Publication Date: 2019-11-15
BEIJING INST OF STRUCTURE & ENVIRONMENT ENG +1
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  • Abstract
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  • Claims
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Problems solved by technology

The shear stiffness of the pipeline decreases under the high temperature environment, and the shear stiffness of the pipeline increases under the action of internal pressure. It is difficult to accurately evaluate the influence of the superimposed load environment of high temperature and internal pressure on the structural stiffness

Method used

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  • High-temperature internal pressure shear deformation lateral stiffness test system of pipeline system
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  • High-temperature internal pressure shear deformation lateral stiffness test system of pipeline system

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments o...

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Abstract

The invention discloses a high-temperature internal pressure shear deformation lateral stiffness test system of a pipeline system. Technical difficultiesinequivalent simulation of lateral shear deformation under the working conditions of high temperature and internal pressure of a pipeline structure are overcome, and the influence of tool friction on lateral stiffness by axial elongation ofpipelines is eliminated to a certain extent. The test system can synchronously simulatethe conditions oftemperature, internal pressure and lateral shear deformation and examine structural strength, rigidityand sealing performance, thereby being capable of providing a design basis for various engine related pipeline structures.

Description

technical field [0001] The invention relates to the technical field of ground comprehensive simulation tests, in particular to the high temperature internal pressure shear deformation lateral stiffness of the pipeline system in the high temperature, internal pressure, lateral deformation and other working states of the gas pipeline system of missiles, rockets and other types of aircraft engines Experiment with the test system. Background technique [0002] The pipeline system is an important subsystem of the aircraft engine, which can be divided into different pipeline systems such as transportation, pressurization, and flame exhaust according to its function. Pipelines have different functions, and they are subjected to different thermal and mechanical comprehensive environments. Affected by the comprehensive environment, the pipeline structure will have problems such as reduced strength, weakened sealing performance, and changes in inherent mechanical properties. In sever...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00G01M15/14
CPCG01M13/00G01M15/14
Inventor 薛宇轩田玉坤马星博何钦华杜安革
Owner BEIJING INST OF STRUCTURE & ENVIRONMENT ENG
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