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A portable pump acoustic performance acquisition method based on functional parameters

A technology of acoustic performance and functional parameters, applied in non-variable-capacity pumps, pump control, machines/engines, etc., can solve the problems of complex implementation steps, difficult to popularize and apply, and long implementation period, so as to avoid complex acoustic testing process. , Broaden the scope of application and ensure the effect of credibility

Inactive Publication Date: 2021-04-20
NO 719 RES INST CHINA SHIPBUILDING IND
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

The advantage of this method is that it can accurately obtain the acoustic performance of the pump, but its implementation steps are complicated, the implementation period is long, and the cost is high, so it is difficult to popularize and apply in engineering

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  • A portable pump acoustic performance acquisition method based on functional parameters
  • A portable pump acoustic performance acquisition method based on functional parameters
  • A portable pump acoustic performance acquisition method based on functional parameters

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Embodiment Construction

[0051] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0052] An embodiment of the present invention is a method for acquiring the acoustic performance of a portable pump based on functional parameters, such as figure 1 As shown, the specific process is:

[0053] Define the pump inlet / outlet acoustic state parameter matrix U 1 , U 2 , used to characterize the acoustic state at the corresponding position.

[0054]

[0055]

[0056] In the formula:

[0057] u 1 , U 2 is the pump inlet / outlet acoustic state parameter matrix, including sound pressure and volume velocity, which is a 2×1 matrix;

[0058] p 1 ,p 2 is the sound pressure at the inlet / outlet section of the pump;

[0059] q 1 ,q 2 is the vol...

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Abstract

The invention provides a portable pump acoustic performance acquisition method based on functional parameters, comprising the following steps: calculating the passive parameter matrix T based on the pump flow rate, head and geometric structure size; obtaining the pump inlet / outlet acoustic state parameter matrix U; The relationship between the parameter matrix T, the pump inlet / outlet acoustic state parameter matrix U, and the pump acoustic performance parameters S is used to obtain the pump acoustic performance parameters S. This method can not only avoid the complicated acoustic testing process, but also obtain all the acoustic performance information of the pump while avoiding the influence of the test bench.

Description

technical field [0001] The invention belongs to the technical field of acoustic performance evaluation of naval vessel piping systems, and in particular relates to a method for acquiring the acoustic performance of a portable pump based on functional parameters. Background technique [0002] The acoustic performance of the pump is an important evaluation index of the equipment itself, and it is also an important input parameter for the evaluation of the acoustic performance of the piping system. At present, there are two main methods to obtain the pump acoustic performance index: [0003] First, arrange hydrophones or pressure pulsation sensors directly near the pump inlet / outlet for monitoring. This method is very simple and quick to implement with the least cost, but on the one hand, this method is greatly affected by the test bench, so that The reliability of the test results is greatly reduced. On the other hand, the test results only contain sound pressure information,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D15/00
CPCF04D15/0088
Inventor 苏胜利姚伍平汪利张翰钦吴书有
Owner NO 719 RES INST CHINA SHIPBUILDING IND