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Method for analyzing and calculating uncertainty of impact temperature of transparent material

A technology of impact temperature, transparent material, applied in the field of measurement, can solve the problems of accurate measurement and analysis of thermodynamic parameters such as temperature, etc.

Active Publication Date: 2018-06-08
中国工程物理研究院上海激光等离子体研究所
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Problems solved by technology

The current experimental research on the equation of state mainly focuses on the measurement and uncertainty analysis of mechanical quantities such as shock wave velocity. It is still very difficult to accurately measure and analyze thermodynamic parameters such as temperature.

Method used

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  • Method for analyzing and calculating uncertainty of impact temperature of transparent material
  • Method for analyzing and calculating uncertainty of impact temperature of transparent material
  • Method for analyzing and calculating uncertainty of impact temperature of transparent material

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Embodiment Construction

[0049] Below, we will further elaborate on the uncertainty analysis and calculation method of the present invention for the impact temperature of transparent material Hugoniou under laser loading in combination with the accompanying drawings and specific calculation examples, in order to understand the uncertainty more clearly. degree calculation process, but it cannot be used to limit the protection scope of the present invention.

[0050] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, this embodiment is based on the shock temperature measurement experiment carried out on the high-power laser device Shenguang-II, taking the experimental results of 1027014 times as an example to calculate the value of the shock temperature T at the interface between liquid deuterium and quartz in the liquid deuterium equation of state experiment and its uncertainty.

[0051] The first step, according to Planck's formula Obtain the shock temperature of the target to be te...

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Abstract

The invention relates to a method for analyzing and calculating the uncertainty of the impact temperature of a transparent material. The method fully considers the influences of various physical factors or experimental environmental factors on the impact temperature calculation precision based on the characteristics of laser loaded transparent material impact temperature experiments according to the prescriptions of National Military Standard of the People's Republic of China GJB3756A-2015. The uncertainty of the physical quantities involved in the experiment is comprehensively analyzed and calculated with an experiment of single-channel optical radiation diagnosis the impact temperature of the transparent material as an example, and the calculation result instance of the uncertainty of the impact temperature of the transparent material is given according to the uncertainty analysis and calculation method. The uncertainty analysis calculation result obtained by the method is consistentwith the uncertainty result given by similar experiments in foreign countries, so the method can effectively give the reasonable uncertainty result of the hugoniot impact temperature of the transparent material under laser loading.

Description

technical field [0001] The invention belongs to the technical field of measurement, and in particular relates to an uncertainty analysis and calculation method of the shock temperature of a transparent material. This method is suitable for the single-channel optical radiation diagnosis transparent material impact temperature experiment, and the uncertainty of the physical quantities involved in the experiment is comprehensively analyzed and calculated. Background technique [0002] The study of the material equation of state under high temperature and high pressure is of great significance to the study of astrophysics and geophysics, inertial confinement fusion (ICF), high temperature and high pressure plasma physics, high energy density physics and the characteristics of materials under extreme conditions. The measurement of shock temperature is the basic way to study high-pressure physical properties such as complete equation of state and high-pressure melting. The curren...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/60G01N3/06G01J5/00
CPCG01J5/00G01N3/068G01N3/60G01N2203/0641G01N2203/0694G01J5/48
Inventor 贺芝宇张帆贾果黄秀光谢志勇曹兆栋熊俊方智恒王琛舒桦叶君建涂昱淳郭尔夫安红海董佳钦
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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