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Calibration and verification method for impact temperature diagnosis system

A diagnostic system and shock temperature technology, applied in radiation pyrometry, measuring devices, instruments, etc., can solve problems such as doubtful reliability of the SOP system

Active Publication Date: 2019-04-09
中国工程物理研究院上海激光等离子体研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Although the SOP temperature measurement and diagnosis system is commonly used at home and abroad to diagnose the temperature of materials under impact, in fact, researchers have always doubted the reliability of the SOP system.

Method used

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  • Calibration and verification method for impact temperature diagnosis system
  • Calibration and verification method for impact temperature diagnosis system
  • Calibration and verification method for impact temperature diagnosis system

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Embodiment 1

[0028] Such as figure 1 with figure 2 As shown, the calibration and verification method of the shock temperature diagnostic system in this embodiment includes the following steps:

[0029] Step 1, establishment of calibration optical path: the calibration optical path includes standard light source 1, first lens 2, target chamber window 3, second lens 4, third lens 5, reflector 6, periscope system 7, fourth lens 8 , a narrow-band channel filter 9 and a streak camera 10, the first lens 2, the target chamber window 3, and the second lens 4 form the first imaging system, the third lens 5, mirror 6, periscope system 7 and The fourth lens 8 forms the second imaging system, and the first imaging system, the second imaging system, the narrow-band channel filter 9 and the streak camera 10 are sequentially placed to form the SOP temperature measurement and diagnosis system, and the light outlet of the standard light source 1 is placed The object plane position before the optical sys...

Embodiment 2

[0038] Such as figure 1 with figure 2 As shown, the calibration and verification method of the shock temperature diagnostic system in this embodiment includes the following steps:

[0039] Step 1, establishment of calibration optical path: the calibration optical path includes standard light source 1, first lens 2, target chamber window 3, second lens 4, third lens 5, reflector 6, periscope system 7, fourth lens 8 , a narrow-band channel filter 9 and a streak camera 10, the first lens 2, the target chamber window 3, and the second lens 4 form the first imaging system, the third lens 5, mirror 6, periscope system 7 and The fourth lens 8 forms the second imaging system, and the first imaging system, the second imaging system, the narrow-band channel filter 9 and the streak camera 10 are sequentially placed to form the SOP temperature measurement and diagnosis system, and the light outlet of the standard light source 1 is placed The position of the object plane in front of the...

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Abstract

The present invention discloses a calibration and verification method for an impact temperature diagnosis system. The method comprises the following steps: step 1, establishing a calibration optical path; step 2, using the SOP temperature measurement diagnosis system in the step 1 to separately diagnose the standard light source as spontaneous radiation of the known standard light source A and theto-be-tested standard light source B; step 3, by using the spontaneous radiation intensity counts CA and CB of the two light sources respectively obtained in the step 2, obtaining the radiation intensities LA and LB correspondingly; step 4, calculating the temperature of the to-be-tested standard light source; and step 5, using the two color temperature standard light sources to mutually calibrate and verify the reliability of the SOP system. According to the method disclosed by the present invention, based on the Planck black body radiation theory, the optical pyrometer temperature measurement method is used as a diagnostic means, and two high temperature standard light sources of different color temperatures are used to perform mutual calibration on the impact temperature diagnosis system; and the temperature data is obtained by the diagnosis system, reliability and confidence of the impact temperature diagnosis system are verified, and the evaluation method for system reliability is provided.

Description

technical field [0001] The invention belongs to the field of optical pyrometer system diagnosis, and in particular relates to a calibration and verification method for an impact temperature diagnosis system. Background technique [0002] Temperature is an important parameter to characterize the thermodynamic characteristics of matter. The establishment of the theoretical equation of state model is very sensitive to temperature parameters. Shock wave temperature measurement is one of the important means to test and assess the theoretical equation of state model. However, in the current shock wave loading experiment for studying the equation of state, the measurement of shock wave velocity, pressure and other mechanical quantities has been relatively mature, but it is still very difficult to accurately measure thermodynamic parameters such as temperature due to its own complexity and high requirements for instruments. . [0003] For the shock temperature measurement experimen...

Claims

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Application Information

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IPC IPC(8): G01J5/00
CPCG01J5/00G01J5/80
Inventor 贺芝宇贾果张帆黄秀光谢志勇王琛熊俊郭尔夫方智恒舒桦董佳钦
Owner 中国工程物理研究院上海激光等离子体研究所
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