CN105548237B - A kind of energetic material carefully sees the modeling method of hot spot physical model - Google Patents

A kind of energetic material carefully sees the modeling method of hot spot physical model Download PDF

Info

Publication number
CN105548237B
CN105548237B CN201510941078.8A CN201510941078A CN105548237B CN 105548237 B CN105548237 B CN 105548237B CN 201510941078 A CN201510941078 A CN 201510941078A CN 105548237 B CN105548237 B CN 105548237B
Authority
CN
China
Prior art keywords
energetic material
temperature
evolution
sample
thermal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510941078.8A
Other languages
Chinese (zh)
Other versions
CN105548237A (en
Inventor
赵玖玲
强洪夫
赵久奋
张文海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
No 2 Artillery Engineering University Of Chinese Pla
Original Assignee
No 2 Artillery Engineering University Of Chinese Pla
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by No 2 Artillery Engineering University Of Chinese Pla filed Critical No 2 Artillery Engineering University Of Chinese Pla
Priority to CN201510941078.8A priority Critical patent/CN105548237B/en
Publication of CN105548237A publication Critical patent/CN105548237A/en
Application granted granted Critical
Publication of CN105548237B publication Critical patent/CN105548237B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/005Investigating or analyzing materials by the use of thermal means by investigating specific heat
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/20Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

The invention belongs to the thermally safe technical field of energetic material, it is related to the modeling method that a kind of energetic material carefully sees ermal physics model.Including:The determination of Thermal Decomposition Mechanism function and parameter;Research to energetic material Microstructures Topography Evolution;Research to energetic material microstructure portion Morphology Evolution rule;To four parts of measurement of energetic material component thermal constant.The present invention is compared with the existing technology advantageous in that:This method has fully considered characteristic specific to energetic material self-inflicted injury, for the providing convenience property of selection and versatility of the INTERFACE MODEL parameter that energetic material microscopic damage numerical simulation uses, actual feature and process are predicted with comprehensive simulated, it establishes the physical analogy hierarchy of criteria and meets the thin sight ermal physics model of criterion, it is full-featured, be easily achieved.

Description

A kind of energetic material carefully sees the modeling method of hot spot physical model
Technical field
The invention belongs to the thermally safe technical field of energetic material, it is related to the modeling that a kind of energetic material carefully sees ermal physics model Method.
Background technique
Energetic material is thermally decomposed, the release of heat is usually accompanied by.If thermally decomposing discharged heat cannot expand It is scattered to ambient enviroment, it would be possible to cause spontaneous combustion even explosion accident.
Chemical reaction-heat transfer model that macroscopical homogeneous is assumed is mainly based upon for thermally safe physical model at present, this Model is well used during the roasting combustion of emulation macroscopic view, but cannot be disclosed using the simulation model that macroscopic view homogenizes containing energy The thermally safe profound mechanism of material, formula design thermally safe for energetic material and risk do not have prediction effect.
The meso-scale of energetic material determines its thermally safe and thermal explosion mechanism, and energetic material is non-equal on meso-scale Matter, it can be regarded as the three-phase as composed by oxidizing agent pellets, adhesive substrate and bonding interface band between the two Inhomogeneous composite materials.Interface and each component are in warm between the inconsistent heat transfer property of each component and decomposition caused heat release performance, component The inconsistent chemical reaction mechanism followed in decomposable process, and in thermal decomposition process inside each component and component boundary The complicated structure evolution that face is occurred, these are all the complexity for determining that energetic material is thermally safe.
In order to disclose the mechanism of the thermally safe profound level of energetic material, the comprehensive a variety of macro mesoscale experiments methods of the present invention, from containing Can the Thermal Decomposition Kinetic Parameters and mechanism function of material and its component, the Microstructures Topography of energetic material and its component drill The microstructure portion Morphology Evolution rule of law, energetic material and its component, the survey to energetic material component thermal constant Fixed four aspects expansion, carefully sees hot spot physical model to establish correct energetic material.
Have in the pervious document in the prior art, retrieved of the present invention:[1] temperature such as Liu Libin are to propellant powder safety [D] trajectory journal .2004 is calculated with the numerical value of energy affect:2;[2] inscription on pottery files numerical heat transfer [M] Xi'an Communications University Publishing house, 2001;[3] in the bright confined space of Du Zhi chemical reacting flow the Beijing thermal ignition [D]:Beijing Institute of Technology, 1993;[4] the roasting combustion mechanism study of Jing Song Ji condensed explosive and the Changsha Two-dimensional numerical simulation [D]:The National University of Defense technology, 2004; Above-mentioned document is generic technology relevant to the technology of the present invention theme, still, in terms of disclosure of that, it is not yet found that closing Energetic material carefully sees the report of ermal physics model building method.
Summary of the invention
According to above-mentioned background technique, it is an object of the present invention to be the research thermally safe mechanism of energetic material and thermally safe Critical-temperature and the prediction for delay time of exploding provide foundation, and providing one kind for improvement energetic material thermal stability formula being capable of structure The energetic material for building high quality and high efficiency carefully sees the modeling method of hot spot physical model.
Now present inventive concept and technical solution are described below:
Basic conception of the invention is to consider microscopical structure formation and developing the thermal physical characteristic with temperature to component material Can influence, the influence factor comprehensive and reasonable of consideration, and form it is simple, it is easy to use under the premise of, thin hot spot physics is seen to it The method for building up of model is described, and this method includes:The determination of Thermal Decomposition Mechanism function and parameter;To energetic material micro-structure The research of surface topography Evolution;Research to energetic material microstructure portion Morphology Evolution rule;To energetic material component Four parts of measurement of thermal constant, specifically include following steps:
Step 1:The thermal capacitance and thermal conductivity of component material are determined by DSC method and the thermally conductive method of laser;
Step 2:It is tested based on DSC-TG and determines Thermal Decomposition Mechanism function and parameter;
Step 3:It is tested by scanning electron microscope and obtains energetic material surface topography with the Evolution of temperature, quantitatively divided Analysis obtains surface topography with Temperature Evolution rule;
Step 4:It is tested by μ CT and obtains energetic material internal morphology with the Evolution of temperature, and carry out quantitative analysis, Compared with surface topography Evolution, basis is provided for the foundation of numerical model;
Step 5:That summarizes the above four steps contains energy material as a result, obtaining based on thermal conduction study equation (3) and structure evolution rule The ermal physics model of material:
Wherein ρ is density, C is specific heat capacity, T is temperature, t is the time, λ is thermal coefficient, S is chemical heat release item;
There is following General expression for chemical heat release item S
Wherein Q is the chemical heat release of unit quality, α is mass percent that energetic material has reacted away.
The present invention further provides the modeling methods that a kind of energetic material carefully sees ermal physics model, it is characterised in that:Step 1 Described in the specific method of " thermal capacitance and thermal conductivity of component material are determined by DSC method and the thermally conductive method of laser " be:
Step 1.1 obtains the thermal capacitance containing energy particle and adhesive substrate using differential scanning calorimetry DSC method.
High pure nitrogen atmosphere, flow velocity 30-50ml/min;Adhesive substrate sample is pre-machined into a thickness of 0.5- 1.5mm, diameter are the smooth wafer type test specimen of 5-7mm;The granulated powder sample containing energy is directly loadable into sample disc, when filling sample Sample disc is gently shaken, it is good to be contacted between sample room, sample and disk.From 25 degrees Celsius of room temperature, according to certain heating speed Rate (general 1~10 degree Celsius/min) heating sample obtains the DSC curve of sample until sample volatilizees completely.According to curve meter Calculation obtains the thermal capacitance of sample;
Step 1.2:Thermal conductivity containing energy particle and adhesive substrate is obtained using the thermally conductive method of laser.
Energy particle will be contained and diameter is pre-machined into as 10-14mm in adhesive substrate, error is less than 1.5mm;Thickness 0.5- 1.5mm, error are less than the smooth wafer type test specimen of 0.5mm.The test specimen made is put into conductometer, according to certain heating Rate (general 1~10 degree Celsius/min) heats test specimen, until 400 degrees Celsius, every 50 degrees Celsius of heating obtains it by probe and leads Hot coefficient, every test specimen obtain 5 values, by being averaged, obtain its thermal conductivity.
The present invention further provides the modeling methods that a kind of energetic material carefully sees ermal physics model, it is characterised in that:Step 2 Described in the specific method of " tested based on DSC-TG and determine Thermal Decomposition Mechanism function and parameter " be:
Step 2.1 obtains DSC of the component material (particle containing energy and adhesive) of energetic material under four kinds of heating rates Curve, four kinds of temperature are respectively 1 DEG C/min, 5 DEG C/min, 10 DEG C/min, 15 DEG C/min, for calculating the Arrhenius of component Parameter, including reaction activity, pre-exponential factor, mechanism function, calculation method are as follows:
The material containing energy is determined using non-isothermal Kinetics Kissinger equation (1) and Coats-Redfern equation (2) jointly Expect the chemical reaction kinetic parameters and mechanism function of component:It is obtained first from the TG curve of four kinds of heating rates of institute's test specimens The mild reaction depth value in the peak DTG, obtains reaction activity and pre-exponential factor with Kissinger equation, then pass through Coats- Redfern equation determines g (α) function.
It is wherein β heating rate, TpFor peak temperature, T is any temperature, E in thermal decomposition processaFor apparent activation energy, A is Pre-exponential factor, R are gas constant, and 8.314J/K.mol, g (α) are mechanism function integrated form, and α is reaction depth;
Step 2.2 obtains energetic material component material (particle containing energy and adhesive) in the case where heating rate is 5 DEG C/min TG curve, for comparing calculation material with the evolution of temperature geometrical morphology.
The present invention further provides the modeling methods that a kind of energetic material carefully sees ermal physics model, it is characterised in that:Step 3 Described in " by scanning electron microscope test obtain energetic material surface topography with temperature Evolution, carry out quantitative analysis, obtain Out surface topography with Temperature Evolution rule " specific method be:
Step 3.1 obtains the thin sight surface topography picture of the particle containing energy at different temperatures, to calculate the granule-morphology containing energy Basis is provided with Temperature Evolution curve;
Step 3.2 obtains the thin sight surface topography picture of adhesive film at different temperatures, to study adhesive film Pattern provides foundation with Temperature Evolution rule.
The present invention further provides the modeling methods that a kind of energetic material carefully sees ermal physics model, it is characterised in that:Step 4 Described in " tested by μ CT and obtain energetic material internal morphology with the Evolution of temperature, and quantitative analysis is carried out, with table Face Morphology Evolution rule compares " specific method be:
Step 4.1 obtains the thin sight internal morphology picture of the particle containing energy at different temperatures, is to calculate granule-morphology with temperature It spends evolution curve and basis is provided;
Step 4.2 obtains the thin sight internal morphology picture of adhesive substrate at different temperatures, to study adhesive substrate Pattern provides foundation with Temperature Evolution.
The present invention is compared with the existing technology advantageous in that:This method has fully considered that energetic material self-inflicted injury institute is special Some characteristics, the providing convenience property of selection of INTERFACE MODEL parameter used for the numerical simulation of energetic material microscopic damage and general Property, actual feature and process are predicted with comprehensive simulated, the physical analogy hierarchy of criteria is established and meets the hot object of carefully sight of criterion Model is managed, it is full-featured, be easily achieved.
Specific embodiment
For below will be with HTPB propellant (for the particle containing energy for AP particle, adhesive substrate is fourth hydroxyl HTPB), by right Its thin thin sight ermal physics model modelling approach of building explanation for seeing hot spot physical model.
Step 1:The thermal capacitance and thermal conductivity of component material are determined by DSC method and the thermally conductive method of laser.
Step 1.1 obtains the thermal capacitance containing energy particle and adhesive substrate using differential scanning calorimetry DSC method.
High pure nitrogen atmosphere, flow velocity 40ml/min;Adhesive substrate sample is pre-machined into a thickness of 1mm, and diameter is The smooth wafer type test specimen of 6mm;The granulated powder sample containing energy is directly loadable into sample disc, gently to shake sample disc when filling sample, It is good to be contacted between sample room, sample and disk.From 25 degrees Celsius of room temperature, according to certain heating rate, (general 1~10 is taken the photograph Family name's degree/min) heating sample until sample volatilizees completely obtains the DSC curve of sample.The heat of sample is calculated according to curve Hold.
Step 1.2 obtains the thermal conductivity containing energy particle and adhesive substrate using the thermally conductive method of laser.
Energy particle will be contained and diameter is pre-machined into as 12mm, error 1mm in adhesive substrate;Thickness 1.5mm, error are The smooth wafer type test specimen of 0.5mm.The test specimen made is put into conductometer, according to certain heating rate (general 1~10 Degree Celsius/min) heating test specimen, until 400 degrees Celsius, every 50 degrees Celsius of heating obtains its thermal coefficient, every test specimen by probe 5 values are obtained, by being averaged, obtain its thermal conductivity.
Step 2:It is tested based on DSC-TG and determines AP and HTPB Thermal Decomposition Mechanism function and parameter.
AP and HTPB is obtained under four kinds of heating rates (respectively 1 DEG C/min, 5 DEG C/min, 10 DEG C/min, 15 DEG C/min) DSC curve, for calculating the Arrhenius parameter (including reaction activity, pre-exponential factor, mechanism function) of component.It calculates Method is as follows:
The material containing energy is determined using non-isothermal Kinetics Kissinger equation (1) and Coats-Redfern equation (2) jointly Expect the chemical reaction kinetic parameters and mechanism function of component:It is obtained first from the TG curve of four kinds of heating rates of institute's test specimens The mild reaction depth value in the peak DTG, obtains reaction activity and pre-exponential factor with Kissinger equation, then pass through Coats- Redfern equation determines g (α) function.
The parameter that test measures test specimen (AP and HTPB) is as shown in Table 1 and Table 2:
The chemical reaction kinetic parameters of 1 film of table
Activation energy Pre-exponential factor ln (A) Mechanism function g (α) Mechanism
87.5 9.93 -ln(1-α) Nucleation and growth
2 AP reactive kinetics parameters of table and mechanism function
Stage Activation energy Pre-exponential factor Mechanism function g (α) Mechanism
Low-temperature decomposition section 167.3 29.55 [-ln(1-α)]1/2 Nucleation and growth equation
Changeover portion 64.5 5.23 [(1+α)1/3-1]2 Three-dimensional ore body model
Pyrolytic peak 206.4 34.84 [(1+α)1/3-1]2 Three-dimensional ore body model
Step 3:It is tested by scanning electron microscope and obtains AP and HTPB surface topography with the Evolution of temperature, quantitatively divided Analysis obtains surface topography with Temperature Evolution rule.
Step 3.1 obtains the thin sight surface topography picture of AP particle at different temperatures, to calculate granule-morphology with temperature Evolution curve provides basis;
Step 3.2 obtains the thin sight surface topography picture of HTPB film at different temperatures, to study adhesive film pattern Foundation is provided with Temperature Evolution rule.
Surface topography Evolution through test measurement test specimen is as shown in table 3.
The variation of 3 different temperatures AP surface voids rate of table
Temperature/DEG C 100 150 200 230 280 330 380
Hole rate/% 0 0 0 2.34 6.02 19.84 70
Through observation and analysis as it can be seen that the evolutionary process of surface topography is divided into three phases when HTPB film heats:First stage: Original uniform shape heat shrinkable;Second stage:Fold after contraction;Phase III:Fold degree is constantly aggravated.
Step 4:It is tested by μ CT and obtains AP and HTPB internal morphology with the Evolution of temperature, and carry out quantitative analysis, Compared with surface topography Evolution, basis is provided for the foundation of numerical model.
The thin sight internal morphology picture of AP particle at different temperatures is obtained, to calculate granule-morphology with Temperature Evolution curve Basis is provided, AP inner cavity rate varies with temperature as shown in table 4.
The variation of 4 different temperatures AP inner cavity rate of table
Temperature/DEG C 100 150 200 230 280 330
Hole rate/% 0 0 0 2.01 6.54 21.05
Step 5:Summarize the above four steps as a result, show that fourth hydroxyl pushes away based on thermal conduction study equation (3) and structure evolution rule Ermal physics model into agent includes three parts:HTPB thermal decomposition and heat transfer, the thermal decomposition of AP particle and heat transfer, AP-HTPB Interface develops.Multiple chemical reactions occur for AP particle in by thermal decomposition process, and the heat of generation is transmitted by the interface AP-HTPB Into HTPB, HTPB thermal coefficient is lower, and performance is relatively stable in thermal histories, is formed about at the interface AP-HTPB larger Temperature gradient starts micropore occur at the same time inside AP particle, the interface AP also starts to shrink and the interface AP-HTPB is caused to pass Hot property further declines.

Claims (1)

1. the modeling method that a kind of energetic material carefully sees hot spot physical model, it is characterised in that:Consider microscopical structure formed and It develops and influence of the temperature to the thermophysical property of component material, method for building up that hot spot physical model is carefully seen to it is retouched It states, this method includes:The determination of Thermal Decomposition Mechanism function and parameter;Energetic material Microstructures Topography Evolution is ground Study carefully;Research to energetic material microstructure portion Morphology Evolution rule;To measurement four of energetic material component thermal constant Part specifically includes following steps:
Step 1:The thermal capacitance and thermal conductivity of component material are determined by DSC method and the thermally conductive method of laser;
Step 1.1 obtains the thermal capacitance containing energy particle and adhesive substrate using differential scanning calorimetry DSC method
High pure nitrogen atmosphere, flow velocity 30-50ml/min;Adhesive substrate sample is pre-machined into a thickness of 0.5-1.5mm, directly Diameter is the smooth wafer type test specimen of 5-7mm;The granulated powder sample containing energy is directly loadable into sample disc, gently to shake sample when filling sample Product disk is good to contact between sample room, sample and disk;From 25 degrees Celsius of room temperature, examination is heated according to certain heating rate Sample obtains the DSC curve of sample until sample volatilizees completely;The thermal capacitance of sample is calculated according to curve, wherein certain Heating rate is 1~10 degree Celsius/min;
Step 1.2:Thermal conductivity containing energy particle and adhesive substrate is obtained using the thermally conductive method of laser
Energy particle will be contained and diameter is pre-machined into as 10-14mm in adhesive substrate, error is less than 1.5mm;Thickness 0.5- 1.5mm, error are less than the smooth wafer type test specimen of 0.5mm;The test specimen made is put into conductometer, according to certain heating Rate heats test specimen, until 400 degrees Celsius, every 50 degrees Celsius of heating obtains its thermal coefficient by probe, and each test specimen obtains 5 A value obtains its thermal conductivity by being averaged, wherein certain heating rate is 1~10 degree Celsius/min;
Step 2:It is tested based on DSC-TG and determines Thermal Decomposition Mechanism function and parameter;
Step 2.1:Obtain the component material of energetic material, the DSC curve under four kinds of heating rates, the wherein group of energetic material Point material include containing can particle and adhesive substrate, four kinds of temperature be respectively 1 DEG C/min, 5 DEG C/min, 10 DEG C/min, 15 DEG C/ Min, for calculating the Arrhenius parameter of component material, including reaction activity, pre-exponential factor, mechanism function, calculating side Method is as follows:
Energetic material is determined using non-isothermal Kinetics Kissinger equation (1) and Coats-Redfern equation (2) jointly The chemical reaction kinetic parameters and mechanism function of component material:It is obtained first from the TG curve of four kinds of heating rates of institute's test specimens The mild reaction depth value in the peak DTG is obtained, obtains reaction activity and pre-exponential factor with Kissinger equation, then pass through Coats- Redfern equation determines g (α) function;
Wherein β is heating rate, TpFor peak temperature, T is any temperature, E in thermal decomposition processaFor apparent activation energy, A is before referring to The factor, R are gas constant, and 8.314J/K.mol, g (α) are mechanism function integrated form, and α is reaction depth;
Step 2.2:The component material for obtaining energetic material, the TG curve in the case where heating rate is 5 DEG C/min, wherein energetic material Component material include containing can particle and adhesive substrate, for comparing calculation material with the evolution of temperature geometrical morphology;
Step 3:It is tested by scanning electron microscope and obtains energetic material surface topography with the Evolution of temperature, carry out quantitative analysis, Obtain surface topography with Temperature Evolution rule;
Step 3.1:The thin sight surface topography picture of the particle containing energy at different temperatures is obtained, is to calculate the granule-morphology containing energy with temperature It spends evolution curve and basis is provided;
Step 3.2:The thin sight surface topography picture of adhesive substrate at different temperatures is obtained, to study adhesive substrate pattern Foundation is provided with Temperature Evolution rule;
Step 4:It is tested by μ CT and obtains energetic material internal morphology with the Evolution of temperature, and carry out quantitative analysis, with table Face Morphology Evolution rule compares, and provides basis for the foundation of numerical model;
Step 4.1:The thin sight internal morphology picture of the particle containing energy at different temperatures is obtained, is to calculate the granule-morphology containing energy with temperature It spends evolution curve and basis is provided;
Step 4.2:The thin sight internal morphology picture of adhesive substrate at different temperatures is obtained, to study adhesive substrate pattern Foundation is provided with Temperature Evolution;
Step 5:Summarize the above four steps as a result, obtain energetic material based on thermal conduction study equation (3) and structure evolution rule Ermal physics model:
Wherein ρ is density, C is specific heat capacity, T is temperature, t is the time, λ is thermal coefficient, S is chemical heat release item;It is described Ermal physics model include three parts:Adhesive substrate thermal decomposition and heat transfer, the thermal decomposition of the particle containing energy and heat transfer contain energy Particle/basal body interface develops;
There is following General expression for chemical heat release item S
Wherein Q is the chemical heat release of unit quality, α is mass percent that energetic material has reacted away.
CN201510941078.8A 2015-12-15 2015-12-15 A kind of energetic material carefully sees the modeling method of hot spot physical model Active CN105548237B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510941078.8A CN105548237B (en) 2015-12-15 2015-12-15 A kind of energetic material carefully sees the modeling method of hot spot physical model

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510941078.8A CN105548237B (en) 2015-12-15 2015-12-15 A kind of energetic material carefully sees the modeling method of hot spot physical model

Publications (2)

Publication Number Publication Date
CN105548237A CN105548237A (en) 2016-05-04
CN105548237B true CN105548237B (en) 2018-11-27

Family

ID=55827573

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510941078.8A Active CN105548237B (en) 2015-12-15 2015-12-15 A kind of energetic material carefully sees the modeling method of hot spot physical model

Country Status (1)

Country Link
CN (1) CN105548237B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112129890B (en) * 2020-08-17 2022-10-25 西安近代化学研究所 Method for accurately obtaining kinetic parameters of energetic material synthesis reaction process

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1873411A (en) * 2005-06-03 2006-12-06 中国科学院力学研究所 Device for testing deflagrability of condensed fire detonator under condition of high termerature and high pressure
CN103018276A (en) * 2011-09-28 2013-04-03 南京理工大学 Method for evaluating thermal inductance of liquid energetic material
CN103353463A (en) * 2013-06-14 2013-10-16 西安近代化学研究所 Energetic material thermal stability and thermal safety test device and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6406918B1 (en) * 1999-01-25 2002-06-18 University Of Massachusetts Thermal analysis for detection and identification of explosives and other controlled substances
ES2909667T3 (en) * 2013-03-15 2022-05-09 Charles Stark Draper Laboratory Inc System and method for a microfluidic calorimeter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1873411A (en) * 2005-06-03 2006-12-06 中国科学院力学研究所 Device for testing deflagrability of condensed fire detonator under condition of high termerature and high pressure
CN103018276A (en) * 2011-09-28 2013-04-03 南京理工大学 Method for evaluating thermal inductance of liquid energetic material
CN103353463A (en) * 2013-06-14 2013-10-16 西安近代化学研究所 Energetic material thermal stability and thermal safety test device and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
凝聚炸药烤燃机理研究及二维数值模拟;荆松吉;《中国优秀博硕士学位论文全文数据库(硕士) 工程科技Ⅱ辑》;20060315(第3期);摘要及正文第一-五章 *

Also Published As

Publication number Publication date
CN105548237A (en) 2016-05-04

Similar Documents

Publication Publication Date Title
Di Blasi et al. Mathematical model for the nonsteady decomposition of intumescent coatings
Zhang et al. Global modelling of fire protection performance of intumescent coating under different cone calorimeter heating conditions
Oh et al. Graphene‐Based Ultralight Compartmentalized Isotropic Foams with an Extremely Low Thermal Conductivity of 5.75 mW m− 1 K− 1
CN105548237B (en) A kind of energetic material carefully sees the modeling method of hot spot physical model
Glushkov et al. Numerical study of ignition of a metallized condensed substance by a source embedded into the subsurface layer
Jafarizade et al. Numerical simulation of gas/solid heat transfer in metallic foams: A general correlation for different porosities and pore sizes
Fan et al. Local thermal nonequilibrium during melting of a paraffin filled in an open-cell copper foam: a visualized study at the pore-scale
Dugast et al. Experimental and numerical analysis on the thermal degradation of reinforced silicone-based composites: Effect of carbon fibres and silicon carbide powder contents
Monk et al. MEDLI2 Material Response Model Development and Validation
Yan et al. Assessment of a 3D ablation material response model for lightweight quartz fiber reinforced phenolic composite
Wong et al. Quantitative determination of species production from the pyrolysis of the Phenolic Impregnated Carbon Ablator (PICA)
Xue et al. Analysis of heat transfer characteristics of a sandwich cylindrical shell with a metal-rubber core
Hsu Modeling of heat transfer in intumescent fire-retardant coating under high radiant heat source and parametric study on coating thermal response
Zhang et al. Heat transfer and burning behavior of ADP/MPP epoxy intumescent coatings
CN105426632B (en) A kind of HTPB propellant thermal safety analysis method based on multiscale simulation modeling
Fourie et al. Determination of a safe distance for atomic hydrogen depositions in hot-wire chemical vapour deposition by means of CFD heat transfer simulations
Gibanov et al. Comparison of two numerical approaches for natural convection in cavities with energy sources
Ozawa Kinetics of growth from pre-existing surface nuclei
Mao et al. The Effect of Microsized Aluminum Powder on Thermal Decomposition of HNIW (CL‐20)
Xiao et al. Insight into chemical reaction kinetics effects on thermal ablation of charring material
Yoon et al. Inverse problem of flame surface properties of wood using a repulsive particle swarm optimization algorithm
Anathpindika et al. Stability of filaments in star-forming clouds and the formation of prestellar cores in them
Chacon et al. Decomposition and permeability of room temperature vulcanizing (RTV) silicone
Tatar Thermal Response of an Orthotropic Non-charring Ablative Material
Siddiqa et al. Conduction–convection–radiation effects on the flow of optically dense gray fluid over a horizontal circular disk

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant