Multi-parameter synchronous measurement method for detonation performances of condensed-phase high explosives

A high-energy explosive and detonation performance technology, which is applied in ammunition, ammunition testing, weapon accessories, etc., can solve the problems of difficulty in ensuring the consistency of sample quality, complicated sample preparation, long test period, etc., to facilitate comprehensive evaluation and sample preparation Simplicity and the effect of improving measurement efficiency

Active Publication Date: 2018-12-11
XIAN MODERN CHEM RES INST
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Problems solved by technology

[0003] However, there are still some problems in the prior art: (1) the comprehensive evaluation of the detonation performance of explosives needs to measure the detonation heat, detonation velocity, detonation pressure and detonation temperature respectively, the test period is long and the cost is high; (2) the existing explosives The detonation performance parameter test method requires a relatively large amount of test charge. The amount of detonation heat test charge for each explosive is at least 25g, the am

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  • Multi-parameter synchronous measurement method for detonation performances of condensed-phase high explosives
  • Multi-parameter synchronous measurement method for detonation performances of condensed-phase high explosives

Examples

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Embodiment 1

[0034] This embodiment is the measurement of the detonation performance of PMX-2 explosives. The grain 5 used is 10 Φ5mm×5mm grains superimposed, and the density is 1.85g / cm 3 , the housing 4 has a length of 60mm, an inner diameter of 5mm, and a wall thickness of 2mm. There are 10 positioning holes with a diameter of 0.8mm, the hole spacing is 5mm, and the diameter of the fiber optic probe 3 is 0.8mm. The test method includes the following steps:

[0035] (1) The PMX-2 explosive is made into a cylindrical grain 5, the grain 5 is formed by superimposing 10 grains of Φ5mm×5mm, and the prepared grain 5 is stored in the sample temporary storage area;

[0036] (2) Check and debug manganin piezoresistive sensor 2, fiber optic probe 3, temperature sensor 7, platinum resistor 9, temperature acquisition system 10, photodetector 11, data acquisition instrument 12, data processing system 13 and calorimetry system 14 , to make it reach the normal working state, turn off the power;

[003...

Embodiment 2

[0050] This example is the measurement of the detonation performance of GHL-5 explosives. The grain 5 used is 12 Φ8mm×8mm grains superimposed, and the density is 1.85g / cm 3 , the housing 4 has a length of 120mm, an inner diameter of 8mm, and a wall thickness of 3mm. There are 12 positioning holes with a diameter of 0.9mm, the hole spacing is 8mm, and the diameter of the fiber optic probe 3 is 0.9mm. The test method includes the following steps:

[0051] (1) GHL-5 explosive is made into a cylindrical grain 5, the grain 5 is formed by superimposing 12 grains of Φ8mm×8mm, and the prepared grain 5 is stored in the sample temporary storage area;

[0052] (2) Check and debug manganin piezoresistive sensor 2, fiber optic probe 3, temperature sensor 7, platinum resistor 9, temperature acquisition system 10, photodetector 11, data acquisition instrument 12, data processing system 13 and calorimetry system 14 , to make it reach the normal working state, turn off the power;

[0053] (3)...

Embodiment 3

[0066] This example is the measurement of the detonation performance of PBX-2 explosives. The grain 5 used is 15 Φ10mm×10mm grains superimposed, and the density is 1.82g / cm 3 , the housing 4 has a length of 180mm, an inner diameter of 10mm, and a wall thickness of 4mm. There are 15 positioning holes with a diameter of 1.0mm, the hole spacing is 10mm, and the diameter of the fiber optic probe 3 is 1.0mm. The test method includes the following steps:

[0067] (1) The PBX-2 explosive is made into a cylindrical grain 5, the grain 5 is formed by superimposing 15 grains of Φ10mm×10mm, and the prepared grain 5 is stored in the sample temporary storage area;

[0068] (2) Check and debug manganin piezoresistive sensor 2, fiber optic probe 3, temperature sensor 7, platinum resistor 9, temperature acquisition system 10, photodetector 11, data acquisition instrument 12, data processing system 13 and calorimetry system 14 , to make it reach the normal working state, turn off the power;

...

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Abstract

The invention discloses a multi-parameter synchronous measurement method for detonation performances of condensed-phase high explosives. In the method, a temperature sensor, an optical fiber probe anda manganese copper piezoresistance sensor are all mounted in an explosion chamber; the explosion chamber is externally provided with a heat measurement system; through once experiment, the synchronous measurement of the detonation velocity, the detonation heat, the detonation pressure and the detonation temperature of explosives is realized; a grain is mounted in an inert shell; the optical fiberprobe is mounted in a positioning hole of the shell; the manganese copper piezoresistance sensor is embedded in the grain; the temperature sensor is mounted in the explosion chamber; and platinum resistors are distributed in inner and outer barrels of the heat measurement system for temperature measurement and temperature control. The method is suitable for synchronous measurement of multiple detonation performance parameters of low-dose condensed-phase high explosives; and through once experiment, the detonation velocity, the detonation heat, the detonation pressure and the detonation temperature of the explosives can be measured, so that the comprehensive evaluation of the detonation performances of the explosives is achieved.

Description

technical field [0001] This application belongs to the technical field of propellant and explosive evaluation, and specifically relates to a multi-parameter synchronous measurement method for the detonation performance of condensed phase high-energy explosives. This method can obtain the detonation velocity, detonation heat, detonation pressure and detonation temperature of explosives through a single test, and comprehensively evaluate explosives. detonation performance. Background technique [0002] The detonation heat, detonation velocity, detonation pressure and explosion temperature of explosives are all important detonation performance parameters of explosives, and they are also key parameters for feasibility analysis and research on the application of explosives. As an important index for evaluating the comprehensive damage capability of explosives and their weapon systems, accurate measurement of these parameters can make a reasonable assessment of the comprehensive d...

Claims

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Application Information

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IPC IPC(8): F42B35/00
CPCF42B35/00
Inventor 冯晓军赵娟冯博薛乐星陶俊封雪松
Owner XIAN MODERN CHEM RES INST
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