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Combination method for atomization unit in large-scale salt spray environmental test system

A technology of environmental testing and combined methods, applied in the field of environmental simulation, can solve the problems that cannot be used to guide the invention, and the characteristics of the fog field of multi-atomization units are few, so as to avoid the effect of condensed water dripping and the uniformity of the whole field settlement rate. Effect

Inactive Publication Date: 2011-10-05
ENG DESIGN & RES INST OF GENERAL ARMAMENTS DEPT
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Problems solved by technology

At present, the theoretical and experimental analysis studies of the fog field characteristics of the multi-atomization units are rarely carried out, which cannot be used to guide the present invention

Method used

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  • Combination method for atomization unit in large-scale salt spray environmental test system
  • Combination method for atomization unit in large-scale salt spray environmental test system

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Embodiment Construction

[0023] Hereinafter, the present invention will be further described through specific embodiments in conjunction with the accompanying drawings.

[0024] figure 1 A schematic diagram of the combination of spray arrays in the large-scale salt spray environment simulation test system of the present invention is given. The spray array combination method of the present invention requires reasonable combination of spray units according to the size of the large-scale salt spray environment simulation test system, in order to achieve various technical indicators of the large-scale spray environment simulation test system. First of all, it is necessary to divide the test space, including theoretical analysis and simulation calculation based on the characteristics of multi-unit fog fields, and the space division method will be in the form of a matrix. That is to say, based on the effective settlement range of each unit, it is arranged in a matrix form, and the relative relationship of ...

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Abstract

The invention relates to a method applying a small-sized modular spray device combination to a large-scale salt spray environment simulation space, which comprises the following steps: firstly, analyzing projected area of test effective space, taking two formulas as the basis to calculate the column number and line number of rectangular array of small-sized modular spray devices, further, and combining the requirements of preventing test effective space condensate water from dripping, wherein each column adopts the mode of symmetrical triangle layout. The invention is a building method for modular and combination of spray site of a large-scale salt spray test system, is characterized in that the invention can be suitable for the requirements of test spaces with different scales, the deposition rate uniformity of the whole site is good, the effect of preventing condensate water from dripping is good, and the ability for coping with the faults of a small number of units is strong, and is a key method for building the large-scale salt spray environment simulation test system.

Description

technical field [0001] The invention belongs to the technical field of environment simulation. Specifically, it relates to a method that uses a small modular spray unit as a basic component and is applied to a large-space salt spray test system through combination. Background technique [0002] At present, the spray method of the large-scale space salt spray environment simulation test chamber mostly adopts the side wall multi-nozzle combination spray method. This method can still control the sedimentation rate within the target range when the width of the test space is small, but the uniformity is poor. When the width of the test space is expanded to more than 6m, it is difficult to realize the settlement rate index in the middle area under this method. If the method of increasing the pressure of the atomizing air source is used to increase the initial velocity of the droplets and increase the coverage distance of the fog field, it will lead to a large air flow in the spa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/00
Inventor 卢连成刘占卿刘鹰刘松宋道宏
Owner ENG DESIGN & RES INST OF GENERAL ARMAMENTS DEPT
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