Thermal Explosion Experiment of Energetic Materials

2014 ◽  
Vol 1004-1005 ◽  
pp. 634-638
Author(s):  
Chen Chen ◽  
Gui E Lu ◽  
Jin Yong Jiang ◽  
Hao Nan Jia ◽  
Yang Li ◽  
...  
Keyword(s):  
Numerical Calculation ◽  
Thermal Explosion ◽  
Energetic Materials ◽  
Safety Evaluation ◽  
Test Method ◽  
Thermal Safety ◽  
Developing Trend ◽  
Explosion Experiment ◽  
At Home

For the thermal safety evaluation of energetic materials, the experimental devices, test method, conditions of determination, numerical calculation and simulation are listed in this paper on thermal explosion experiment both at home and abroad. By listing typical examples and comparing the existing researches, current study and developing trend of thermal explosion experiment are summarized and prospected.

scholarly journals Recent advances on thermal safety characterization of energetic materials

2018 ◽  
Author(s):  
P. C. Hsu ◽  
S. A. Strout ◽  
G. L. Klunder ◽  
E. M. Kahl ◽  
N. K. Muetterties ◽  
...  
Keyword(s):  
Energetic Materials ◽  
Thermal Safety ◽  
Recent Advances

Towards a predictive thermal explosion model for energetic materials

2005 ◽  
Vol 10 (3) ◽  
pp. 175-189 ◽  
Author(s):  
Jack J. Yoh ◽  
Matthew A. McClelland ◽  
Jon L. Maienschein ◽  
Jeffrey F. Wardell
Keyword(s):  
Thermal Explosion ◽  
Energetic Materials ◽  
Thermal Explosion Model

Kinetic Compensation Effect of Kinetic Parameters of Thermal Explosion Test

2012 ◽  
Vol 184-185 ◽  
pp. 1408-1417
Author(s):  
Ying Hui Shao ◽  
Zi Ru Liu ◽  
Xiao Ning Ren ◽  
Shu Yun Heng ◽  
Pu Yue ◽  
...  
Keyword(s):  
Kinetic Parameters ◽  
Thermal Explosion ◽  
Energetic Materials ◽  
Compensation Effect ◽  
Energetic Material ◽  
Regression Equation ◽  
Kinetic Temperature ◽  
Single Compound ◽  
Main Component ◽  
Explosion Test

The kinetic parameters of thermal explosion tests with five-second delay for 273 energetic materials were analyzed. The compensation effect exists between the two thermal explosion kinetic parameters of these energetic materials, e.g. lnA and Eb. The kinetic parameters of these energetic materials can be expressed by a single linear regression equation for the single compound or mixture under all conditions. The slopes of the regression equation for various systems are in the range from 0.1952 to 0.2413 (mol•kJ-1). The regression equation for single compound or mixture with one type of energetic material as main component has better linearity. Therefore, their “iso-kinetic temperature” Tik is close to their thermal explosion temperature Tb and the “iso-kinetic delay period”τik is also close to the 5 seconds.

scholarly journals Numerical calculation of the resistance of catamarans at different distances between two hulls

2021 ◽  
Vol 283 ◽  
pp. 01008
Author(s):  
Zhaochun Liu ◽  
Xiufeng Zhang ◽  
Yao Meng ◽  
Linghong Wang
Keyword(s):  
Numerical Calculation ◽  
Model Test ◽  
Calculation Method ◽  
Empirical Formula ◽  
Test Method ◽  
Hydrodynamic Characteristics ◽  
Model Parameters ◽  
Ship Model ◽  
Ship Model Test ◽  
Numerical Calculation Method

For the design of high-speed catamarans, different distances between slices have obvious interference with the total resistance of the catamaran. In order to accurately predict the hydrodynamic characteristics of the catamaran and explore the interference of the chip spacing on the resistance prediction, this paper uses a combination of CFD calculations and empirical formulas to predict the ship model resistance under different chip spacings and calculate them. The result is compared with the empirical formula. The results of the ship model test and the results calculated by the empirical formula were used to verify the numerical calculation results. The results show that the resistance change trend is consistent, and the numerical calculation method is effective and feasible. Finally, the numerical calculation method is compared with the ship model test method, and the result is within the error range, which has certain reference value for the design and optimization of the catamaran model parameters.

Prediction of thermal explosion parameters for energetic materials on the basis of thermal analysis data

2017 ◽  
Vol 90 (8) ◽  
pp. 1265-1272 ◽  
Author(s):  
A. A. Koptelov ◽  
Yu. M. Milekhin ◽  
A. A. Matveev ◽  
I. A. Koptelov ◽  
A. A. Rogozina
Keyword(s):  
Thermal Analysis ◽  
Thermal Explosion ◽  
Energetic Materials ◽  
Analysis Data ◽  
Thermal Analysis Data

Thermal Analysis of the FSP-1 Experiment in the Advanced Test Reactor

2016 ◽  
Author(s):  
Grant L. Hawkes ◽  
Nicolas E. Woolstenhulme
Keyword(s):  
Thermal Analysis ◽  
Flow Instability ◽  
National Laboratory ◽  
Safety Evaluation ◽  
Thermal Safety ◽  
Primary Coolant ◽  
Coolant Pump ◽  
Safety Margins ◽  
Enriched Uranium ◽  
Test Reactor

The U.S. High Performance Research Reactor Conversions fuel development team is focused on developing and qualifying the uranium-molybdenum (U-Mo) alloy monolithic fuel to support conversion of domestic research reactors to low enriched uranium. Several previous irradiations have demonstrated the favorable behavior of the monolithic fuel. The Full Scale Plate 1 (FSP-1) fuel plate experiment will be irradiated in the northeast (NE) flux trap of the Advanced Test Reactor (ATR). This fueled experiment contains six aluminum-clad fuel plates consisting of monolithic U-Mo fuel meat. Three different types of fuel plates with matching pairs for a total of six plates were analyzed. These three types of plates are: full burn, intermediate power, and thick meat. A thermal analysis has been performed on the FSP-1 experiment to be irradiated in the ATR at the Idaho National Laboratory (INL). A thermal safety evaluation was performed to demonstrate that the FSP-1 irradiation experiment complies with the thermal-hydraulic safety requirements of the ATR Safety Analysis Report (SAR). The ATR SAR requires that minimum safety margins to critical heat flux and flow instability be met in the case of a loss of commercial power with primary coolant pump coast-down to emergency flow. The thermal safety evaluation was performed at 26 MW NE lobe power to encompass the expected range of operating power during a standard cycle. Additional safety evaluations of reactivity insertion events, loss of coolant event, and free convection cooling in the reactor and in the canal are used to determine the response of the experiment to these events and conditions. This paper reports and shows that each safety evaluation complies with each safety requirement of the ATR SAR.

A Hybrid Testing Method to the Application of Test Case Generation of the Simulation of CTCS-3 On-Board Subsystem

2013 ◽  
Vol 341-342 ◽  
pp. 984-989
Author(s):  
Kang Feng ◽  
Kai Cheng Li
Keyword(s):  
Control System ◽  
Test Method ◽  
Test Sequence ◽  
Simulation Test ◽  
Hybrid Testing ◽  
Train Control ◽  
Testing Method ◽  
Train Control System ◽  
Test Platform ◽  
At Home

As an important part of the CTCS-3 train control system, the on-board subsystem is a safety critical system, and it plays an important role in assuring the safety of train. In this essay, we choose a hybrid testing method combined with the advantage of black-box and white-box testing method in the test of the Simulation of on-board subsystem of the CTCS-3 train control system. The main idea is to divide the tested system into several functional parts, and then test them step by step. At last, we use an example to show the advantage of this testing method in reducing the number of test cases. 1 Current situation in the testing of train control system at home and abroad Train control system plays an important role in ensuring the operational safety of the train, At home and abroad researchers attach great importance to the testing of the train control system, and also a lot of research has been done. The simulation test makes it easier for the testers to work in the lab instead of the field, so that it reduce the human and material costs, and the test environment can be controlled and repeatable easily. Besides, the special environment of the site can also be simulated. University of Florence in Italy has developed the loop of the ATP / ATC test system based on the simulation technology HIL (Hardware in Loop), it provides an effective solution to the test of ATP speed measurement device. CEDEX LIF laboratory in spain simulation has used the test method of simulation to establish the Eurocab test platform, and developed a number of testing tools, moreover, they have defined test sequence. Test sequence generation and viewing, test management and test result analysis and evaluation function have also achieved. Beijing Jiaotong University in China rail traffic control and security National Key Laboratory of CTCS-3 train Control System has also established simulation test platform, so that simulation test can be performed.

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