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Research Institute of Science for Safety and Sustainability Access and Contact Japanese About Us Priority Research Issues Priority Research Issues Issue 1: Assessment Research for Supporting a Safe Society Issue 2: Assessment Research for Supporting Social Implementation of Technologies Research Groups Research Groups Risk Assessment Strategy Group Environmental Exposure Modeling Group Emission and Exposure Analysis Group Explosion Safety Research Group Industrial Safety and Physical Risk Analysis Group Advanced LCA Research Group Sustainability and System Analysis Research Group Research Laboratory for IDEA Members Research Outcomes Research Outcomes Nanomaterials Risk Assessment for Chemical Substances LCA and Energy Evaluation About Us Priority Research Issues Priority Research Issues Issue 1: Assessment Research for Supporting a Safe Society Issue 2: Assessment Research for Supporting Social Implementation of Technologies Research Groups Research Groups Risk Assessment Strategy Group Environmental Exposure Modeling Group Emission and Exposure Analysis Group Explosion Safety Research Group Industrial Safety and Physical Risk Analysis Group Advanced LCA Research Group Sustainability and System Analysis Research Group Research Laboratory for IDEA Members Research Outcomes Research Outcomes Nanomaterials Risk Assessment for Chemical Substances LCA and Energy Evaluation Access and Contact Japanese HOMEAbout UsResearch GroupsExplosion Safety Research Group Explosion Safety Research Group Explosion Safety Research Group Group Leader:Ken Okada 6 Researchers: Shiro Kubota, Tomoharu Matsumura, Miyako Akiyoshi, Yuta Sugiyama, Takahiro Tamba 6 Contract Employees Outline We are conducting a wide variety of research, from basic to applied, related to explosion safety, such as safety evaluation methods and visualization techniques, technologies to reduce the effects of explosions, and safety evaluation of batteries, in order to advance the understanding of ignition and explosion phenomena of high-energy materials, as typified by explosives. We also actively respond to the governmental needs for explosives and conduct large-scale field experiments on explosives. The results obtained are reflected in the creation of standards for safe explosives handling technology, and are also used to help formulate international standards for the handling of hazardous materials through proposals for UN testing, thereby contributing to the realization of a safe and secure society. Research Highlights Development of Methods and Techniques for Evaluating and Mitigating Explosion Effects Explosion Tests in the Field   Assessing the effects occurring at the time of explosion (blast wave, fragment characteristics, ground vibration, radiant heat, explosion sound) Developing technologies to reduce the explosion effects Reduction of required safety distance for more effective space utilization, etc. Obtaining scientific evidence and basic data for amendment of Explosives Control Act → Contributing to the formulation of standards for techniques for handling explosives Detonation of ANFO explosive Ref: Report on technical standard for explosion mitigation of explosives (2016)   Small-scale indoor experiments Complementing field experiments with multi-point measurements and optical visualization. Development of technology to reduce blast effects by buffer materials.   Optical visualization of shock front of blast wave Blast isobaric diagram Ref: Report on technical standard for explosion mitigation of explosives (February 2021)   Numerical Calculation Techniques Developing techniques for predicting effects of explosions based on numerical calculations that are highly precise and computationally fast   Modeling of magazines for explosives Simulation results of gases produced by explosion   International contributions for explosion safety Classification of Explosives and Energetic Materials for Safety Participation in TDG and GHS organized by the United Nations and international coordination of chemical substance regulations. Contributed to the formulation of international standards for the handling of hazardous substances by proposing MTC.   Evaluation Techniques for Explosion Safety for Energetic Materials Explosivity evaluation by exothermic decomposition energy Development of &＃8220;Method for measuring exothermic decomposition energy as a method for evaluating the explosive hazard of chemical substances, JIS K4834. Development of accurate exothermic hazard evaluation method for chemical substances that react with metal containers. ☛Gold plating ≠ gold ☛☛There are different types of glass containers on the market, and the results differ.       Ammonium nitrate exothermic decomposition energy Development of advanced JIS for stability testing of explosives. A method for quantifying gases generated from explosives containing nitrocellulose and for evaluating the stability of explosives with high precision was added to JIS. Amended JIS K 4810(2023). Standardization of MV test method and test papers using methyl violet paper was added to JIS. Amended JIS K 4822(2023).   BJS test tube Safety evaluation of batteries Applied evaluation technology for safely detonating explosives to battery safety evaluation. Battery safety evaluation methods by evaluating thermal runaway of LIBs and gases generated in 1.5L heating vessels and 20L pressure vessels. 1.5L heating vessel   Development of technologies for more effective use of explosives High-Efficiency Production Technique for Detonation Nanodiamond Development of original explosion device → Patent of production method at a low-cost and high-efficiency   Development of Functional Materials by Shock Compression Light-emitting materials, carbon based materials, etc.   Synthesis of energetic materials having  nanostructures Synthesis of nano-nitrocellulose → Improvement of combustibility and application to new devices About Us Members Priority Research Issues Issue 1: Assessment Research for Supporting a Safe Society Issue 2: Assessment Research for Supporting Social Implementation of Technologies Research Groups Risk Assessment Strategy Group Environmental Exposure Modeling Group Emission and Exposure Analysis Group Explosion Safety Research Group Industrial Safety and Physical Risk Analysis Group Advanced LCA Research Group Sustainability and System Analysis Research Group Research Outcomes News List RISS Pamphlet Terms of Use Privacy policy Copyright ©2024 The Research Institute of Science for Safety and Sustainability, AIST.