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Method for solid-propellant plume characteristic virtual experiments and flume data structure gridding

A solid propellant, virtual test technology, applied in special data processing applications, electrical digital data processing, instruments, etc., can solve problems such as large manpower and material resources, economic loss, political impact, and extended development cycle.

Active Publication Date: 2013-09-11
XIAN MODERN CHEM RES INST
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Problems solved by technology

However, in the process of developing and evaluating low characteristic signal propellants, it takes a lot of manpower and material resources to solve the problem, and the development cycle is greatly extended, which brings huge economic losses and political influence. Nowadays, there is an urgent need for virtual experiments on solid propellants. Quick evaluation of performance

Method used

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  • Method for solid-propellant plume characteristic virtual experiments and flume data structure gridding
  • Method for solid-propellant plume characteristic virtual experiments and flume data structure gridding
  • Method for solid-propellant plume characteristic virtual experiments and flume data structure gridding

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Embodiment Construction

[0062]Such as figure 1 A virtual test of solid propellant plume characteristics and a gridding method for plume data structure are shown, including the following steps:

[0063] Step 1. Initial parameter setting and storage:

[0064] First, through the parameter input unit connected with the data processor, input the component quantity N used to prepare the designed solid propellant and the component information of each component, and store the input information synchronously to the data processing unit. In the data storage unit connected to the device; wherein, the component information of each component includes chemical formula and mass ratio m i , i is a positive integer, and i=1, 2,..., N; where, N is the number of components used to prepare the designed solid propellant; 0i 1 +m 2 +…+m N =100, N≥2.

[0065] After that, select all the combustion products produced after the combustion of the designed solid propellant from the pre-established combustion product database...

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Abstract

The invention discloses a method for solid-propellant plume characteristic virtual experiments and flume data structure gridding. The method includes 1, initializing parameter setting and storing, 2, calculating energy characteristic parameters, 3, calculating engine plume fields, 4, performing grinding processing on gaseous-product flume field data structures, and 5, performing gridding processing on condensed-phase-product flume field data structures. The step 4 includes reading gaseous-product flume field data in jet stream areas, establishing structure grid charts and performing gridding processing on the gaseous-product flume field data structures. The step 5 includes initialing parameter setting, reading particle trajectory data, acquiring grid quantity at inlets of spraying tubes, determining up and down borders of grids and performing gridding processing on the condensed-phase-product flume field data structures. The method is simple in procedure, reasonable in design, convenient to implement and good in using effect, plume characteristic virtual experiments can be simply, conveniently and rapidly completed, and plume field data based on unstructured grids can be converted into corresponding data based on structured grids for follow-up calculation.

Description

technical field [0001] The invention belongs to the technical field of solid propellant plume field data processing, and in particular relates to a virtual test of solid propellant plume characteristics and a method for gridding the plume data structure. Background technique [0002] With the development of mechanization and information technology, more and more modern weapon systems adopt automatic tracking, control and guidance methods such as radar and photoelectricity. Combat effectiveness of projectile weapon systems. But at the same time, the harmfulness of smoke and flames during the launching and carrying of missile weapons is becoming increasingly apparent, which has a great impact on the informatization, intelligence, and stealth performance of the weapon system, and has serious consequences for the rapid, precise strike, and stealth functions of the weapon system. It has caused serious adverse effects, and has even become the main technical bottleneck restricting...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 赵凤起肖川李猛徐司雨罗阳向红军王宏梁勇
Owner XIAN MODERN CHEM RES INST
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