TY - GEN A1 - Mishra, Kirti Bhushan A1 - Wehrstedt, Klaus-Dieter A1 - Schönbucher, A. ED - Witt, P. J. ED - Schwarz, M.P. T1 - Prediction of burning rate of an accidentally released flammable fuel by means of CFD simulation T2 - 7th International Conference on CFD in the minerals and process industries CY - Melbourne, Australia DA - 2009-12-09 KW - Mass burning rate KW - CFD simulation KW - TBPB KW - TBPEH KW - Turbulent fire KW - Fuel Froude number PY - 2009 SN - 978-0-643-09825-1 SP - 1 EP - 7 AN - OPUS4-20768 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Mishra, Kirti Bhushan A1 - Wehrstedt, Klaus-Dieter A1 - Schönbucher, A. T1 - Measurement and CFD prediction of gas velocities and temperatures in large pool fires of organic peroxides T2 - 36th National conference on fluid mechanics and fluid power - NCFMFP-2009 CY - Pune, India DA - 2009-12-17 KW - Pool fire KW - TBPB KW - TBPEH KW - Froude number KW - CFD (Computational fluid dynamics) PY - 2009 IS - Paper 58-CFD-5 SP - 1 EP - 11 AN - OPUS4-20769 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Malow, Marcus A1 - Wehrstedt, Klaus-Dieter T1 - Comments on "Thermal explosion and runaway reaction simulation of lauroyl peroxide by DSC tests, by Mei-Li You, Ming-Yang Liu, Sheng-Hung Wu, Jen-Hao Chi, Chi-Min Shu" (Journal of Thermal Analysis and Calorimetry, 2009;96:777-782) KW - Lauroyl peroxide KW - Thermal analysis KW - DSC KW - Kinetics PY - 2009 DO - https://doi.org/10.1007/s10973-009-0534-1 SN - 1388-6150 SN - 1418-2874 SN - 0368-4466 SN - 1572-8943 VL - 98 IS - 3 SP - 885 EP - 886 PB - Kluwer Academic Publ. CY - Dordrecht AN - OPUS4-20791 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Wehrstedt, Klaus-Dieter A1 - Adams, W. D. A1 - Mak, W. A1 - Malow, Marcus A1 - Kumasaki, M. T1 - Report about the IGUS EOS meeting 2010 in Tokyo KW - IGUS KW - EOS KW - Organic peroxides KW - Self-reactive substances KW - Energetic materials KW - Test methods KW - Oxidizers KW - Ammonium nitrate KW - Fertilizers PY - 2010 SN - 0570-4480 N1 - Sprachen: Japanisch/Englisch - Languages: Japanese/English VL - 49 IS - 4 SP - 240 EP - 243 CY - Tokyo, Japan AN - OPUS4-21942 LA - mul AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Filippou, A.C. A1 - Portius, P. A1 - Neumann, D.U. A1 - Wehrstedt, Klaus-Dieter T1 - The hexaazidogermanate(IV) ion: syntheses, structures, and reactions KW - Azides KW - Density functional calculations KW - Germanium KW - Hypervalent compounds KW - Main group elements PY - 2000 DO - https://doi.org/10.1002/1521-3773(20001201)39:23<4333::AID-ANIE4333>3.0.CO;2-S SN - 1433-7851 SN - 1521-3773 SN - 0570-0833 VL - 39 IS - 23 SP - 4333 EP - 4336 PB - Wiley-VCH CY - Weinheim AN - OPUS4-22203 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Portius, P. A1 - Filippou, A.C. A1 - Schnakenburg, G. A1 - Davis, M. A1 - Wehrstedt, Klaus-Dieter T1 - Neutrale Lewis-Basen-Addukte des Siliciumtetraazids KW - Azide KW - Hyperkoordination KW - N-Liganden KW - Silicium KW - Stickstoffreiche Verbindungen PY - 2010 DO - https://doi.org/10.1002/ange.201001826 SN - 0044-8249 SN - 0932-2140 SN - 1521-3757 VL - 122 IS - 43 SP - 8185 EP - 8189 PB - Wiley-VCH CY - Weinheim AN - OPUS4-22201 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Portius, P. A1 - Filippou, A.C. A1 - Schnakenburg, G. A1 - Davis, M. A1 - Wehrstedt, Klaus-Dieter T1 - Neutral lewis base adducts of silicon tetraazide KW - Silicon KW - Azides KW - Hypercoordination KW - Nitrogen-rich compounds KW - N-ligands PY - 2010 DO - https://doi.org/10.1002/anie.201001826 SN - 1433-7851 SN - 1521-3773 SN - 0570-0833 VL - 49 IS - 43 SP - 8013 EP - 8016 PB - Wiley-VCH CY - Weinheim AN - OPUS4-22202 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Wehrstedt, Klaus-Dieter A1 - Knorr, Annett A1 - Schuurman, P. T1 - The "Mini Closed Pressure Vessel Test (MCPVT)" as a screening or classification test for explosive properties of organic peroxides N2 - Tests according to the UN Recommendations on the Transport of Dangerous Goods for the determination of explosive properties of organic peroxides have been compared with screening criteria for explosivity based on measurements in a closed mini-autoclave (MCPVT). It will be shown that an additional screening test may be helpful but the information obtained from the UN tests are more important to characterise the specific properties of a substance under different conditions. KW - MCPVT KW - Organic peroxides KW - UN Manual of Tests and Criteria KW - Explosive properties PY - 2003 DO - https://doi.org/10.1016/j.jlp.2003.08.001 SN - 0950-4230 SN - 1873-3352 VL - 16 SP - 523 EP - 531 PB - Butterworth CY - Guildford, Surrey AN - OPUS4-2699 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Rudolph, Michael A1 - Michael-Schulz, Heike A1 - Wehrstedt, Klaus-Dieter T1 - Brandversuche an Nitrocellulose-Zubereitungen - Erweiterung eines Kleinbrandverfahrens für organische Peroxide auf Zubereitungen mit Nitrocellulose PY - 2003 SN - 0025-5300 VL - 45 IS - 3 SP - 105 EP - 109 PB - Carl Hanser Verlag CY - München AN - OPUS4-2700 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Malow, Marcus A1 - Krause, Ulrich A1 - Wehrstedt, Klaus-Dieter T1 - Some comments on the paper of H. Fierz: Influence of heat transport mechanisms on transport classification by SADT-measurement as measured by the Dewar-method PY - 2003 DO - https://doi.org/10.1016/S0304-3894(03)00221-8 SN - 0304-3894 VL - 103 SP - 169 EP - 173 PB - Elsevier CY - Amsterdam AN - OPUS4-2687 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Identifizierung gefährlich exotherm zersetzlicher Stoffe T2 - DECHEMA-Weiterbildungskursus: "Sicherheit von chemischen Reaktionen" CY - Berlin, Germany DA - 2002-10-09 PY - 2002 AN - OPUS4-3192 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - 1-Hydroxybenzotriazole (HOBt) and similar compounds - Properties and Classification T2 - OECD-IGUS Energetic and Oxidising Substances (EOS) Working Group Meeting CY - Paris, France DA - 2002-03-20 PY - 2002 AN - OPUS4-3193 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Working Group on Development of a Small-Scale Burning Test for Solid Organic Peroxides and Pastes -Situation and Future Developments- T2 - OECD-IGUS Energetic and Oxidising Substances (EOS) Working Group Meeting CY - Paris, France DA - 2002-03-20 PY - 2002 AN - OPUS4-3194 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Tests on Vessels Containing a Metal Alkyl in Ether T2 - OECD-IGUS Energetic and Oxidising Substances (EOS) Working Group Meeting CY - Paris, France DA - 2002-03-20 PY - 2002 AN - OPUS4-3195 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Druckentlastung von Behältern für metallorganische Verbindungen T2 - BAM-Sonderkolloquium CY - Berlin, Germany DA - 2002-05-27 PY - 2002 AN - OPUS4-3196 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Steensma, M. A1 - Schuurman, P. A1 - Malow, Marcus A1 - Krause, Ulrich A1 - Wehrstedt, Klaus-Dieter T1 - Evaluation of the validity of the UN SADT H.4 test for solid organic peroxides and self-reactive substances N2 - Many self-accelerating decomposition temperatures (SADTs) of solid organic peroxides and self-reactive substances have been determined with the UN test method H.4, which is a scaled down test in a small Dewar vessel. For solid organic peroxides and solid self-reactive substances Fierz has questioned this procedure in a recent paper. Fierz concluded that the Dewar test results should not be extrapolated to beyond 8 l packages, owing to the thermal insulation value of solids. On the other hand, long term experience with the test, with a great variety of solid organic peroxides and self-reactive substances show about equal critical temperatures in the small Dewar vessel and on 50 kg scale. In the present work, we first checked, by numerical simulations, the Dewar scale versus the larger scale, in a way comparable with Fierz’ method: both scales are simulated by spheres, consisting of a number of annular layers, for the large scale the usual external heat loss term is used but for the small scale the outside heat transfer is strongly limited. The outcome of these simulations, covering a variety of physical parameters, supports the concerns expressed by Fierz. After this, we performed accurate cooling and heating experiments with solid organic peroxide in the usual Dewar vessel, provided with a large set of thermocouples. The results of these experiments showed that the simulation model for the Dewar vessel has to be changed from a spherical analogue to a short cylinder of solid material with heat exchange mainly via its top (Utop 3.5 W/(m2 K), overall heat transfer coefficient) and some heat exchange (Uside 0.29 W/(m2 K)) through its cylindrical and bottom part. With this “modified cylinder” model (being neither an infinitely long cylinder nor a slab) of the Dewar vessel, we found that the UN method H.4 enables an accurate prediction of the SADT, with small deviations of 0 ± 2.5 °C. Further, by performing a truly three-dimensional (3D) finite element calculation in FEMLAB, the new heat characteristics of the Dewar vessel as well as a 50 kg package of dilauroyl peroxide, a solid organic peroxide, were checked. The outcome was compared with the critical ambient temperatures known for various package sizes, which agreed well. KW - SADT of solids KW - Transport regulations KW - UN H.4 test (HAST) KW - Numerical simulations KW - Scale-up procedure PY - 2005 DO - https://doi.org/10.1016/j.jhazmat.2004.09.028 SN - 0304-3894 VL - 117 IS - 2-3 SP - 89 EP - 102 PB - Elsevier CY - Amsterdam AN - OPUS4-5604 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Malow, Marcus A1 - Wehrstedt, Klaus-Dieter T1 - Prediction of the self-accelerating decomposition temperature (SADT) for liquid organic peroxides from differential scanning calorimetry (DSC) measurements N2 - We present a prediction (estimation, calculation, screening) method for the estimation of the self-accelerating decomposition temperature (SADT) for liquid organic peroxides from differential scanning calorimetry (DSC) measurements based on the concepts of thermal explosion theory originally introduced by Semonov which are adopted to our problem assuming nth-order reaction kinetics. For the peroxides under investigation, we demonstrate good agreement with the experimental SADT. This method can be used as a quick and easy applicable method for the estimation of the critical temperatures. KW - Organic peroxides KW - Differential scanning calorimetry (DSC) KW - Self-accelerating decomposition temperature (SADT) PY - 2005 DO - https://doi.org/10.1016/j.jhazmat.2004.12.040 SN - 0304-3894 VL - 120 IS - 1-3 SP - 21 EP - 24 PB - Elsevier CY - Amsterdam AN - OPUS4-7308 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Wehrstedt, Klaus-Dieter A1 - Rudolph, Michael A1 - Zemke, Gerhard-Reinhard A1 - Dischl, G. A1 - Maier, M. T1 - Deckelflug - Können Organische Peroxide vom Typ D unter Umständen in Doppelkammer-Stahl-IBC mit Verdünnungsautomatik befördert werden? Das zeigte ein Brandversuch. KW - Brandprüfung KW - Organisches Peroxid KW - Stahl-IBC PY - 2005 SN - 0016-5808 VL - 50 IS - 4 SP - 22 EP - 23 PB - Storck CY - Hamburg AN - OPUS4-7342 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Testing and classification of new energetic substances and mixtures according to the UN Recommendations on the Transport of Dangerous Goods T2 - Third NRIFD Symposium - International Symposium on Safety in the Manufacture, Storage, Use, Transport and Disposal of Hazardous Materials CY - Tokyo, Japan DA - 2004-03-10 PY - 2004 SP - 201 EP - 217 PB - National Research Institute of Fire and Disaster (NRIFD) CY - Tokio AN - OPUS4-7454 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Energiereiche organische Materialien T2 - Institut für Organische Chemie und Makromolekulare Chemie der Friedrich-Schiller-Universität Jena CY - Jena, Germany DA - 2005-05-31 PY - 2005 AN - OPUS4-7666 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Detonation tests on mixtures containing hydrogen peroxide and alcohol - detonation velocities and fragmentation types T2 - OECD-IGUS Energetic and Oxidising Substances (EOS) Working Group Meeting CY - Buxton, England DA - 2005-06-16 PY - 2005 AN - OPUS4-7669 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Schreck, Andreas A1 - Knorr, Annett A1 - Wehrstedt, Klaus-Dieter A1 - Wandrey, Peter-Andreas A1 - Gmeinwieser, T. A1 - Steinbach, J. T1 - Investigation of the explosive hazard of mixtures containing hydrogen peroxide and different alcohols N2 - The explosive properties of mixtures of aqueous hydrogen peroxide (H2O2) and different alcohols (R–OH) like 2-propanol (2-PropOH), 2-methyl-2-propanol (TBA), 2-methyl-2-butanol (TAA) and 2-methyl-2-pentanol (THA) were investigated. Among others, the potential hazard of such mixtures may be characterized by their ability to react by different mechanisms of an explosion in the condensed phase, e.g. the thermal explosion or the detonation. Accordingly, the mixtures were experimentally investigated either by heating them up under confinement in different autoclaves or by exposing them to a shock wave impact applying the steel tube test. The results are discussed and compared to literature data. KW - Mixtures of hydrogen peroxide and alcohols KW - Explosive properties KW - Steel tube test KW - TEVT KW - MCPVT PY - 2004 DO - https://doi.org/10.1016/j.jhazmat.2004.01.003 SN - 0304-3894 VL - 108 IS - 1-2 SP - 1 EP - 7 PB - Elsevier CY - Amsterdam AN - OPUS4-3535 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Krebs, Holger A1 - Wehrstedt, Klaus-Dieter A1 - Kebben, Jochen A1 - Grelak, H.-J. T1 - Untersuchungen zur Druckentlastung von Behältern mittels sprengtechnischer Verfahren T2 - 25. Informationstagung Sprengtechnik CY - Siegen, Deutschland DA - 2003-04-25 PY - 2003 SN - 0941-4584 VL - 26 IS - 3 SP - 30 EP - 34 PB - Deutscher Sprengverband CY - Siegen AN - OPUS4-4908 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Rudolph, Michael A1 - Dischl, G. A1 - Wehrstedt, Klaus-Dieter T1 - Druck-Abbau PY - 2003 SN - 0016-5808 VL - 48 IS - 1 SP - 13 EP - 14 PB - Storck CY - Hamburg AN - OPUS4-2131 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Rudolph, Michael A1 - Dischl, G. A1 - Wehrstedt, Klaus-Dieter T1 - Brand- und Entlastungsversuche an einem 1m³ Kunststoff-IBC PY - 2003 SN - 0016-5808 VL - 48 IS - 1 SP - 13 EP - 14 PB - Storck CY - Hamburg AN - OPUS4-2294 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Classification of Cianamide, 50 % in water - a formulation stabilized by temperature control T2 - OECD-IGUS Energetic and Oxidisign Substances (EOS) Working Group Meeting CY - Frankfurt am Main, Germany DA - 2003-03-17 PY - 2003 AN - OPUS4-3955 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - In the UN H.4 test a suitable test to determine the SADT for solids in a 50kg packaging or not? T2 - OECD-IGUS Energetic and Oxidisign Substantces (EOS) Working Group Meeting CY - Frankfurt am Main, Germany DA - 2003-03-17 PY - 2003 AN - OPUS4-3953 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Classification of mixtures containing oxidisers and flammable substances according to the UN Recommendations T2 - Meeting at the French Ministry of transport CY - Paris, France DA - 2003-09-23 PY - 2003 AN - OPUS4-3954 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Testing and classification of new energetic substances and mixtures according to the UN Recommendations on the Transport of Dangerous Goods T2 - Third Symposium of the National Research Institute of Fire and Disaster (NRIFD) - International Symposium on Safety in the Manufacture, Storage, Use, Transport and Disposal of Hazardous Materials CY - Tokyo, Japan DA - 2004-03-10 PY - 2004 AN - OPUS4-5329 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Identifizierung gefährlich exotherm zersetzlicher Stoffe T2 - DECHEMA-Weiterbildungskursus: "Sicherheit von chemischen Reaktionen" CY - Berlin, Germany DA - 2004-10-13 PY - 2004 AN - OPUS4-5331 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Fire engulfment test on a new type of a metal IBC containing an organic peroxide T2 - OECD-IGUS Energetic and Oxidising Sustances (EOS) Working Group Meeting CY - Tsukuba, Japan DA - 2004-03-15 PY - 2004 AN - OPUS4-5334 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Burning test with a larger amount of dibenzoyl peroxide T2 - OECD-IGUS Energetic and Oxidising Sustances (EOS) Working Group Meeting CY - Tsukuba, Japan DA - 2004-03-15 PY - 2004 AN - OPUS4-5335 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Gefahrgüter der Klassen 1, 3, 4.1, 5.1 und 5.2 (Auswahl) T2 - Erfahrungsaustausch mit der Polizei Niedersachsen CY - Berlin, Germany DA - 2004-10-26 PY - 2004 AN - OPUS4-5337 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Assignment of HOBt, anhydrous, to a division of class 1 T2 - IGUS Energetic and Oxidising Substances (EOS) Working Group Meeting CY - Washington, D.C., USA DA - 2006-04-05 PY - 2006 AN - OPUS4-12460 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Does it always make sense to exclude energetic substances from class 1? T2 - IGUS Energetic and Oxidising Substances (EOS) Working Group Meeting CY - Washington, D.C., USA DA - 2006-04-05 PY - 2006 AN - OPUS4-12465 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - External fire (bonfire) tests on steel drums filled with di-tert-butylperoxide T2 - IGUS Energetic and Oxidising Substances (EOS) Working Group Meeting CY - Washington, D.C., USA DA - 2006-04-05 PY - 2006 AN - OPUS4-12466 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Brandversuche mit Dibenzoylperoxid (BPO) T2 - Arbeitskreis "Organische Peroxide" der BG Chemie CY - Pullach im Isartal, Germany DA - 2006-04-25 PY - 2006 AN - OPUS4-12467 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Wehrstedt, Klaus-Dieter A1 - Wandrey, Peter-Andreas A1 - Heitkamp, D. T1 - Explosive properties of 1-hydroxybenzotriazoles KW - 1-Hydroxybenzotriazoles KW - HOBt KW - 6-Cl-HOBt KW - TBTU KW - HOAt KW - Explosive properties PY - 2005 SN - 0304-3894 VL - 126 IS - 1-3 SP - 1 EP - 7 PB - Elsevier CY - Amsterdam AN - OPUS4-11043 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Malow, Marcus A1 - Wehrstedt, Klaus-Dieter A1 - Krause, Ulrich T1 - Anwendbarkeit des UN SADT H.4-Tests für feste organische Peroxide KW - Selbstentzündung KW - Peroxide PY - 2005 DO - https://doi.org/10.1002/cite.200590196 SN - 0009-286X SN - 1522-2640 VL - 77 IS - 8 SP - 1122 PB - Wiley-VCH Verl. CY - Weinheim AN - OPUS4-11572 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Chun, Hyunjoo A1 - Wehrstedt, Klaus-Dieter A1 - Schönbucher, A. T1 - Untersuchung von Poolbränden organischer Peroxide KW - Peroxide KW - Sicherheitsanalyse PY - 2005 DO - https://doi.org/10.1002/cite.200590397 SN - 0009-286X SN - 1522-2640 VL - 77 IS - 8 SP - 1140 PB - Wiley-VCH Verl. CY - Weinheim AN - OPUS4-11573 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Identifizierung gefährlich exotherm zersetzlicher Stoffe T2 - DECHEMA-Weiterbildungskursus: "Sicherheit von chemischen Reaktionen" CY - Berlin, Germany DA - 2005-10-12 PY - 2005 AN - OPUS4-11464 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Knorr, Annett A1 - Koseki, H. A1 - Li, X.-R. A1 - Tamura, M. A1 - Wehrstedt, Klaus-Dieter A1 - Whitmore, M. W. T1 - A closed pressure vessel test (CPVT) screen for explosive properties of energetic organic compounds N2 - Results of a round-robin test on a mini-autoclave are reported and previously proposed criteria reviewed. Criteria based upon the results for three standard materials are now put forward. These standards-based criteria, in contrast to numerical criteria, theoretically allow any laboratory to utilize the data accumulated to date, irrespective of the equipment used. The practical requirement is that adequate discrimination can be achieved. Data to assess this are given. KW - Closed pressure vessel test KW - Mini-autoclave KW - MCPVT KW - Explosive properties PY - 2007 SN - 0950-4230 SN - 1873-3352 VL - 20 IS - 1 SP - 1 EP - 6 PB - Butterworth CY - Guildford, Surrey AN - OPUS4-14385 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Malow, Marcus A1 - Wehrstedt, Klaus-Dieter A1 - Neuenfeld, S. T1 - On the explosive properties of 1H-benzotriazole and 1H-1,2,3-triazole N2 - For 1H-benzotriazole, no explosive properties are observable, but the relative high exothermic decomposition energy of 1590 J/g should be kept in mind. Nevertheless, an endothermic melting barrier at 100 °C ensures safe handling at lower temperatures. For 1H-1,2,3-triazole, the exothermic decomposition energy is as high as 2600 J/g, but explosive properties are also not detectable. Therefore, both reagents are hazardous with regard to the exothermic decomposition potential and can be handled safely with precautions. KW - 1H-Benzotriazole KW - 1H-1,2,3-Triazole KW - Explosive properties KW - DSC PY - 2007 SN - 0040-4039 SN - 1873-3581 VL - 48 IS - 7 SP - 1233 EP - 1235 PB - Elsevier CY - Amsterdam AN - OPUS4-14476 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Untersuchungen von DTBP-Feuern T2 - VDI Hallescher Bezirksverein, Arbeitskreis Verfahrenstechnik Mitteldeutschland, Fachkolloquium der AG Sicherheitstechnik CY - Köthen, Germany DA - 2007-05-15 PY - 2007 AN - OPUS4-14774 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Schröder, Volkmar A1 - Pahl, Robert A1 - Michael-Schulz, Heike A1 - Wehrstedt, Klaus-Dieter ED - Stolz, T. T1 - Flammenausbreitung auf Flüssigkeitsoberflächen unterhalb des Flammpunktes - Explosionsschutz in Chemieanlagen T2 - 228. PTB-Seminar CY - Braunschweig, Deutschland DA - 2007-06-26 KW - Sicherheitstechnik KW - Flammpunkte KW - Explosionsgrenzen KW - Prozesssicherheit KW - Oxidationsverfahren PY - 2007 SN - 978-3-86509-700-2 SP - 17 EP - 26 PB - Wirtschaftsverlag N. W. Verlag für neue Wissenschaft CY - Bremerhaven AN - OPUS4-15017 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - On the explosive properties of 1H-benzotriazole and 1H-1,2,3-triazole T2 - IGUS Energetic and Oxidising Substances (EOS) Working Group Meeting CY - Rijswijk, Netherlands DA - 2007-05-09 PY - 2007 AN - OPUS4-16021 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Wehrstedt, Klaus-Dieter T1 - Vent sizing tests with di-(3,5,5-trimethylhexanoyl) peroxide, tert-butyl peroxy-2-ethylhexanoate and tert-butyl peroxybenzoate T2 - IGUS EOS Ad-Hoc Working Group Meeting "Emergency relief venting of organic peroxides and reactive substances" CY - Buxton, England DA - 2007-10-26 PY - 2007 AN - OPUS4-16022 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Schröder, Volkmar A1 - Pahl, Robert A1 - Michael-Schulz, Heike A1 - Wehrstedt, Klaus-Dieter T1 - Explosionsschutz bei Gas/Flüssig-Prozessen - Flammen unterhalb des Flammpunktes KW - Explosionsschutz KW - Flammpunkt PY - 2007 DO - https://doi.org/10.1002/cite.200750092 SN - 0009-286X SN - 1522-2640 VL - 79 IS - 9 SP - 1436 PB - Wiley-VCH Verl. CY - Weinheim AN - OPUS4-16009 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Wehrstedt, Klaus-Dieter T1 - Bemerkungen zum Artikel "Exoten des Gefahrstoffrechts" von Dr. N. Müller in "Gefährliche Ladung" 06/2007, S. 28-29 KW - Gefahrgut KW - Gefahrstoff KW - SprengG KW - Explosionsgefährliche Stoffe KW - Lagergruppen PY - 2007 SN - 0016-5808 VL - 09 SP - 30 EP - 31 PB - Storck CY - Hamburg AN - OPUS4-16434 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Mishra, Kirti Bhushan A1 - Wehrstedt, Klaus-Dieter T1 - Burner for peroxy-fuels (PEROXY-BAM Burner) N2 - A new burner concept (PEROXY-BAM®) for the combustion of liquid organic peroxides (Peroxy-fuels) is presented. As peroxy-fuels are thermally unstable the design of burners for them should be accordingly modified ensuring a safe operation. It is found that 10 to 100 time less amounts of peroxy fuels are required for the same heat flux or output in comparison to hydrocarbons. Correspondingly, the fuel pump power and the volume of combustion chamber (furnace) are also reduced. As a result of less amount of fuel the emissions will also be stepped down and oxygen in the molecule helps to establish conditons like in an oxy-fuel combustion process. The advantages of using peroxy-fuels over hydrocarbons inside a model combustion chamber are also investigated with the help of CFD (Computational Fluid Dynamics) simulations. T2 - 25. Deutscher Flammentag - Verbrennung und Feuerung CY - Karlsruhe, Germany DA - 14.09.2011 KW - Organic peroxide KW - Peroxy-fuel KW - Burner concept KW - Combustion KW - Combustion chamber PY - 2011 SN - 978-3-18-092119-8 SN - 0083-5560 N1 - Serientitel: VDI-Berichte – Series title: VDI-Berichte VL - 2119 SP - 307 EP - 312 PB - VDI-Verl. AN - OPUS4-24388 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Mishra, Kirti Bhushan A1 - Wehrstedt, Klaus-Dieter A1 - Schönbucher, A. T1 - Interpretations of temperature measurements in organic peroxide pool fires N2 - Most of the measurements of temperatures in large pool fires are indirect and present a number of complexities due to the interactions of convection, radiation and soot blockage. In the present work these influences for two organic peroxide [tert-butyl peroxybenzoate (TBPB) and tert-butyl peroxy-2-ethylhexanoate (TBPEH)] pool fires are analysed. Thermocouple measured temperature in the clear flame zone i.e. combustion zone are found to be 250-400 K lower than from the thermographic measurements. The convective and radiative heat flux contributions from the fire on temperature measurements are discussed. CFD (Computational Fluid Dynamics) simulations have been performed for large pool fires and the predicted time averaged flame temperatures were found to be in qualitative agreement with measurements due to the stoichiometric combustion model used in the present simulations. T2 - 5th European combustion meeting 2011 CY - Cardiff, UK DA - 28.06.2011 KW - Pool fire KW - Organic peroxides KW - TBPB KW - TBPEH KW - CFD KW - Temperature measurement PY - 2011 UR - http://www.uni-due.de/tchem/as/skripte/paper_mishra_et_al_cardiff_2011.pdf SP - 1 EP - 5 AN - OPUS4-24686 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Schälike, Stefan A1 - Wehrstedt, Klaus-Dieter A1 - Schönbucher, A. T1 - CFD simulation to predict the thermal radiation of large LNG pool fires N2 - Flame temperature (T), surface emissive power (SEP) of Liquefied Natural Gas (LNG) pool fires (d = 1 m, 6.1 m, 30 m) are investigated by CFD (Computational Fluid Dynamics) simulation and compared with experimental results. Time averaged flame temperatures of T = 1320 K, T = 1298 K and T = 1281 K are obtained. Surface emissive power (SEP) of 55 kW=m2, 130 kW=m2 and 230 kW=m2 are predicted. T2 - 5th European combustion meeting 2011 CY - Cardiff, UK DA - 28.06.2011 KW - Pool fire KW - LNG KW - CFD KW - Thermal radiation KW - Surface emissive power PY - 2011 SP - 1 EP - 6 AN - OPUS4-24687 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -