1st international round robin test on safety characteristics of hybrid mixtures |
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| Institution: | 1. Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology NTNU, Richard Birkelands vei 2B, 7034 Trondheim, Norway;2. Department of Industrial and Systems Engineering and Chairman, CoE in Safety Engineering and Analytics, Indian Institute of Technology Kharagpur, Kharagpur, 721302 West Bengal, India;3. Department of Mechanical and Industrial Engineering, University of Brescia, via Branze 38, 25123 Brescia, Italy;4. Department of Mechanical and Aerospace Engineering, Sapienza University of Rome, Via Eudossiana, 18, 00184 Rome, Italy;1. Université de Lorraine, CNRS, LRGP, Nancy, France;2. INERIS, Parc Technologique ALATA, BP 2, F-60550, Verneuil-en-Halatte, France;1. Dipartimento di Scienza Applicata e Tecnologia-Politecnico di Torino, C.so Duca degli Abruzzi 21, 10129, Torino, Italy;2. Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F- 54000, Nancy, France;3. Department of Energy (DENERG), Politecnico di Torino, Viale T. Michel 5, 15121, Alessandria, Italy;1. College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 211816, China;2. Department of Process Engineering & Applied Science, Dalhousie University, Halifax, B3H 4R2, Canada;3. Fire & Explosion Protection Laboratory, Northeastern University, Shenyang, 110819, China;1. College of Safety Science and Engineering, Nanjing Tech University, Nanjing, 210009, China;2. Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, Nanjing, 210009, China;3. Department of Safety, Health, and Environmental Engineering, National Yunlin University of Science and Technology, Yunlin, 64002, Taiwan, ROC |
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| Abstract: | There is no applicable existing standard for the determination of safety characteristics for hybrid mixtures. While developing a new standard in a joint research project in Germany first results from parameter studies led to a standard procedure that can be adopted by laboratories that are already testing dusts in the so called 20L-sphere with as little additional effort as necessary. In fact, one of the main objectives of this research project was to keep modifications and adjustments from the generally accepted dust testing procedures as easy and minimal as possible so as to limit potential deviations from one laboratory to another.In this first round robin test on hybrid mixtures ever, with methane as gas component and a specific corn starch as dust sample, the practicality of the whole procedure, the scattering of the results and the deviation between the testing apparatuses is investigated. This paper summarizes the experimental procedure adopted and objectives of the first round-robin phase involving three of the four original German companies, plus volunteering laboratories from Australia, Belgium, Czech Republic, France, Poland and P.R. China. The results will have an impact on the new standard and may lead to robust data for later simulation purposes. |
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| Keywords: | Hybrid mixtures 20L-sphere Round robin test Turbulent combustion |
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