Test system and method for checking the tightness of adsorption system of variable cycle compressor
A technology of adsorption system and test system, which can be applied in the direction of using liquid/vacuum for liquid tightness measurement, by measuring the increase and deceleration rate of fluid, etc., which can solve the problems of increased test cost, reduced reliability and safety, and high technical risk. , to achieve the effect of reducing test costs, high reliability and safety, and reducing test risks
Active Publication Date: 2019-08-23
AECC SHENYANG ENGINE RES INST
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[0003] Using the test method of checking the airtightness of the adsorption system of the variable cycle compressor in the performance admission test of the variable cycle compressor, the corresponding test cost will increase, and the relevant parts will work together, its reliability and safety will be greatly reduced, and the technical risk will be higher
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[0024] In order to make the purpose, technical solution and advantages of the application more clear, the technical solution in the embodiment of the application will be described in more detail below in conjunction with the drawings in the embodiment of the application.
[0025] In the description of this application, the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", " The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying the referred device or Elements must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the application.
[0026] Such as figure 1 , the test system for testi...
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The invention discloses a test system and method for the sealing of an adsorption system of a variable cycle compressor, and belongs to the technical field of impeller machinery test. The test systemcomprises the variable cycle compressor, the adsorption system, and air inlet and exhausting assemblies; the adsorption system comprises at least one adsorption unit arranged in parallel and communicated with the body portion of the variable cycle compressor; and the air inlet assembly is communicated with an air inlet end of the variable cycle compressor, and the air exhausting assembly is communicated with the air outlet end of the variable cycle compressor. According to the test system and method, the sealing of the adsorption system is tested in a static manner, namely in the condition that the variable cycle compressor does not run, in high efficiency, problems in sealing of the adsorption system is exposed before performance test of the variable cycle compressor, the test risk of thevariable cycle compressor is reduced, the reliability and safety are high, and the test cost is reduced.
Description
technical field [0001] The application belongs to the technical field of turbomachinery testing, and in particular relates to a testing system and method for testing the sealing performance of an adsorption system of a variable cycle compressor. Background technique [0002] In a variable cycle engine, a front bypass is set before the core drive fan stage (Core Driven Fan Stage, CDFS) and high-pressure compressor. The change of the bypass ratio will change the flow into the core engine, thereby changing the CDFS and high-pressure compressor. working status. The CDFS stage of a variable cycle compressor usually has a low pressure ratio and weak self-exhaust capacity. It needs an adsorption system to meet the exhaust flow requirements. The sealing of the adsorption system is directly related to the exhaust capacity of the CDFS stage and the accuracy of exhaust flow measurement. Therefore, the test method for checking the airtightness of the variable cycle compressor adsorptio...
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IPC IPC(8): G01M3/26
Inventor 刘永泉吕程张志博武卉路超
Owner AECC SHENYANG ENGINE RES INST