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Статті в журналах з теми "Flash ignition"
Wang, Guixia, and Junhong Su. "Study of the length and influencing factors of air plasma ignition time." Open Physics 20, no. 1 (January 1, 2022): 740–49. http://dx.doi.org/10.1515/phys-2022-0067.
Повний текст джерелаSiregar, Muhammad Andira Mulia, and Yulianto Sulistyo Nugroho. "Study on Auto-Ignition Behavior of Lubricating Oil in a Cone Calorimeter." Applied Mechanics and Materials 493 (January 2014): 161–66. http://dx.doi.org/10.4028/www.scientific.net/amm.493.161.
Повний текст джерелаSysoev, N. N., A. I. Osipov, A. V. Uvarov, and O. A. Kosichkin. "Flash ignition of a carbon nanotube." Moscow University Physics Bulletin 66, no. 5 (October 2011): 492–94. http://dx.doi.org/10.3103/s0027134911050158.
Повний текст джерелаTurekova, Ivana, Zuzana Turňová, Peter Vekony, and Martin Pastier. "Study of Polymeric Materials Burning." Applied Mechanics and Materials 295-298 (February 2013): 471–74. http://dx.doi.org/10.4028/www.scientific.net/amm.295-298.471.
Повний текст джерелаAjayan, P. M. "Nanotubes in a Flash--Ignition and Reconstruction." Science 296, no. 5568 (April 26, 2002): 705. http://dx.doi.org/10.1126/science.296.5568.705.
Повний текст джерелаMórotz-Cecei, K., L. Beda, and J. Simon. "Flammability characterized by flash-ignition Temper-atures." Journal of Thermal Analysis 33, no. 1 (March 1988): 343–49. http://dx.doi.org/10.1007/bf01914622.
Повний текст джерелаSoler, Anna, Nicolau Pineda, Helen San Segundo, Joan Bech, and Joan Montanyà. "Characterisation of thunderstorms that caused lightning-ignited wildfires." International Journal of Wildland Fire 30, no. 12 (2021): 954. http://dx.doi.org/10.1071/wf21076.
Повний текст джерелаHartono, Aji Indra, and Aqli Mursadin. "UJI KARAKTERISTIK PEMBAKARAN HASIL DESTILASI KARET BEKAS-MINYAK DIESEL DENGAN MENGGUNAKAN DROPLET." JTAM ROTARY 1, no. 1 (January 14, 2020): 1. http://dx.doi.org/10.20527/jtam_rotary.v1i1.1393.
Повний текст джерелаManaa, M. Riad, Alexander R. Mitchell, Raul G. Garza, Philip F. Pagoria, and Bruce E. Watkins. "Flash Ignition and Initiation of Explosives−Nanotubes Mixture." Journal of the American Chemical Society 127, no. 40 (October 2005): 13786–87. http://dx.doi.org/10.1021/ja0547127.
Повний текст джерелаOhkura, Yuma, Pratap M. Rao, and Xiaolin Zheng. "Flash ignition of Al nanoparticles: Mechanism and applications." Combustion and Flame 158, no. 12 (December 2011): 2544–48. http://dx.doi.org/10.1016/j.combustflame.2011.05.012.
Повний текст джерелаДисертації з теми "Flash ignition"
Mackey, Lisa Catherine. "The ignition properties of pyrite, pyrrhotite pentlandite and violarite." Thesis, Curtin University, 1991. http://hdl.handle.net/20.500.11937/57.
Повний текст джерелаMackey, Lisa Catherine. "The ignition properties of pyrite, pyrrhotite pentlandite and violarite." Curtin University of Technology, Department of Applied Geology, 1991. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=15923.
Повний текст джерелаsimulate the thermal environment which exists in the KNS, a pilot scale model of the reaction shaft was used. Nickel sulfide concentrates of varying mineralogy and particle size distribution were smelted under various conditions. The effect of larger particle size and increasing oxygen partial pressure on the reactivity of these concentrates was established.The products were quenched at the base of the shaft and collected for examination by optical microscopy, SEM and EPMA. Products ranged from unreacted to completely oxidised particles. The morphology and composition of these species were identified. Approximately 30 particles in each of 26 samples were examined with a view to establishing the frequency of occurrence of the particular product types in concentrates of differing mineralogy and particle size. This allowed proposals to be made regarding the fate of the individual sulfide minerals during ignition in the pilot scale flash reactor.
Stenger, Dillon Michael. "Dependency of Aluminum Nanoparticle Flash Ignition on Sample Internal Water Content and Aggregation." University of Dayton / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1481287759463389.
Повний текст джерелаLien, Der-Hsien, and 連德軒. "A Study of Single-Walled Carbon Nanotube Films in Schottky Diode and Flash Ignition Effect." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/82516784496016881583.
Повний текст джерела國立清華大學
材料科學工程學系
93
Abstract We discover photo-current generation at SWNT-electrode contact at zero bias. The directions of this current can be controlled via focusing the laser bean (532 nm) on different position of the SWNTs film; meanwhile, current can be significantly amplified by a factor of 1.5 under bias voltage operation. Phenomenon resembles the conventional S-based Schottky diodes and underlying mechanism involves reduction of barrier height and widening of depletion region upon bias application. In addition, we have shown here that flashing of SWNT films in vacuum and air causes nanotube cutting and O2 desorption, followed by re-adsorption of O2. The cutting at Fe-defect entities is triggered via extra heat provided by photo-induced chemical reaction. Considerable amount of heat released by oxide and CO2 formations assists cutting process along tube circumference. Our systematical experiments consist of SWNT films flashed in vacuum, air and atmospheric N2 respectively, in conjunction with resistance measurements. The variation of film resistance with lighting shows stepwise profiles and similar effect is also present in treated SWNT film. In the end, we hope to establish possible models of the photo-generated current in SWNTs film and the flashing effect, furthermore, the rationalization of relevant mechanism has also been attempt.
Yu-PeiChan and 詹于霈. "On Minimum Flash Ignition Energy of Energetic Igniter Using Aluminum NanoParticles: Effects of 2D Interparticle Distances." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/pfjw9d.
Повний текст джерела國立成功大學
航空太空工程學系
104
SUMMARY Recently, the unique flash ignition phenomenon occurring in nanoparticles has also received more interests during last years. Because of its convenience, it could bring ignition mechanism of rocket a potentially infinite improvement. In this study, energetic igniter composed of nitrocellulose with distinct amount of aluminum nanoparticles has been developed. To save the cost, the amount of aluminum nanoparticles being related to interparticle distance should be lowered. According to relevant literatures, nanoparticle interaction influenced by interparticle distance would make the particle properties different. As a result, the minimum ignition energy (MIE) would change as well. Hence, the relationship of interparticle distance and minimum ignition energy would be investigated in this study. Moreover, the 2D model has been established to perform theoretical analysis in a clearer way than contemporary 3D model within lots of uncontrollable factors. Furthermore, kinds of equipment are used to provide the properties of material and igniter. The result from experiment and theoretical analysis demonstrate the lowest MIE from igniter with interparticle distance being four to five times the particle radius. Key words: Aluminum Nanoparticle, Flash-ignition mechanism, Rocket Ignition System Introduction Over the past several years, carbon nanotube has received wide attention because of its potential in engineering. It was a startling discovery by Ajayan et al. that dry and fluffy single wall carbon nanotubes (SWCNTs) can be ignited through camera flash light. Ajayan et al. concluded that it is light absorption causing the flash-ignition of SWCNT [2]. From that moment onwards, there were groups of scientists carrying out further researches on the flash-ignition of SWCNT. The unique property of nanoparticles, ignition by optical illumination, holds lots advantages and brings rocket ignition system wider possibilities [2]. First, the light weight and tiny volume are beneficial in propulsion system used in space. Then, compared with micro scale particles, lower ignition temperature and higher combustion speed of nanoparticles could bring the propulsion system great improvement [3]. Moreover, with flash-ignition mechanism, remote ignition can be achieved. Furthermore, flash-ignition is less sensitive for the environment factors. Certainly, some people might mention that laser-ignition technology for nanoparticles has been developed in recent years. However, it required higher energy and more complex equipment to provide laser beam, which would bring the rocket system greater load. Nevertheless, with flash-ignition mechanism, the rocket ignition system could be simplified considerably. [4] The aim of this study is to understand the flash-ignition mechanism of nanoparticles and provide knowledge for further applications in rocket ignition system. For application, saving cost has always been the primary reason. In this study, energetic igniter triggered by flash light has been developed. However, the cost would be influenced by the amount of nanoparticles and energy needed for ignition. As a result, the experiment design in this study would emphasise on the effects of interparticle distances on minimum ignition energy of energetic igniter. Furthermore, distinct equipment would be used to investigate the properties of aluminum nanoparticles and the energy required for ignition would be recorded to provide the evidences of effects of nanoparticle interactions on minimum ignition energy. Material and methods Manufacture In energetic igniter manufacture process, nitrocellulose is dissolved in acetone firstly. Then, adding aluminum nanoparticles of distinct amount to solvent would produce igniters with different interparticle distances. After that, Up Series Ultrasonic Processors provides particle separation physically, which is followed by vacuum oven drying process. Apparatus and experiment Figure 25 displays the apparatus for flash-ignition experiment. For observation, DV camera and high speed camera are used. The former records the ignition process, whilst the latter provides images for point of ignition happening. Then, the minimum ignition energy of igniter with different interparticle distances would be recorded for the comparison with the following theoretical analysis. Moreover, measurements from kinds of equipment offer evidence of properties on flash light, aluminum nanoparticles, and nitrocellulose Theoretical analysis Through the TGA analysis, the flash-ignition process of energetic igniter has been understood. At first, aluminum nanoparticles would be heated up from flash light. The numerous increase in temperature of aluminum nanoparticle is due to the great light absorption and photo-thermal conversion efficiency in nanomaterial. Then, thermal conduction would occur because of the temperature difference between aluminum nanoparticle and nitrocellulose. Hence, temperature climb of aluminum nanoparticles as well as nitrocellulose would be seen within flash light pulse duration. As soon as nitrocellulose meets its ignition temperature, nitrocellulose would burns accompanying exothermic reaction. At this moment, aluminum nanoparticles would experience significant temperature increase because of the exothermic heat from nitrocellulose burning. And then, ignition of aluminum nanoparticles would happen. According to reaction process mentioned above, the 2D thermal transfer analysis for the ignition process could be done theoretically. The first is its intuitive assumptions: (1) aluminum nanoparticles would be well-distributed in nitrocellulose; (2) there is no thermal conduction between aluminum nanoparticles since all particles are heated up simultaneously; (3) for aluminum nanoparticles, the thermal radiation from each other would be zero as the temperature of nitrocellulose higher than aluminum nanoparticles. Then, according to heat transfer theory, the variation in nitrocellulose as well as aluminum nanoparticles would be yield for the following discussion. Result and discussion From the comparison between experiment result and theoretical analysis, there are three main results: (1) the relationship between minimum ignition energy and aluminum interparticle distance; (2) the collective effect on the minimum ignition energy. 1. The relationship between minimum ignition energy and aluminum interparticle distance Figure 44 renders the theoretical result from thermal analysis. To achieve the combustion of nitrocellulose and aluminum nanoparticles, the higher the temperatures of them, the greater the likelihood for both of them to ignite. In other words, the point where both temperatures reaching higher value is the condition where the material could be ignited by supplying lowest flash light energy. The optimum point of interparticle distance being four times the particle radius could be seen in figure 44. Furthermore, the results from experiment in figure 48-a and b provide evidence to support the result from theoretical analysis. 2 The collective effect on the minimum ignition energy For collective condition, a slight difference of minimum ignition energy could be seen from figure 48-a and b with different homogeneity. Besides, since the nitrocellulose used in figure 48-a and b are manufacturing in different date, a subtle difference in quality might happen. However, the experiment results reveal no significant influence on the trend. As a result, it has been proved that the homogeneity of aluminum nanoparticles and subtle nitrocellulose quality variation provide slight variation in minimum ignition energy without changing the overall trend. Cloclusion The results from experiment and theory analysis provide the optimum point for flash-ignition of the igniter is the interparticle distance being four or five times the particle radius. Moreover, it has been found that the homogeneity of aluminum nanoparticle in nitrocellulose could slightly influence the minimum ignition energy without changing the overall trend. And the experiment result suggest the ignorable effect of little nitrocellulose quality. In conclusion, the experiment and theory show the effect of interparticle distance on minimum ignition energy for three parts as following: (1) the light absorption of nanoparticle; (2) thermal transfer effect; (3) the exothermic heat from nitrocellulose combustion.
Du, Jianguo. "An experimental study of spray collapse under ash boiling conditions." Diss., 2020. http://hdl.handle.net/10754/664896.
Повний текст джерелаCHEN, WAN-CHI, and 陳婉綺. "Predicting Flash Point and Auto-Ignition temperature of Liquid Organic Compounds using Quantitative Structure Activity Relationships Approach." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/cy9nu8.
Повний текст джерела國立高雄第一科技大學
環境與安全衛生工程系碩士班
106
Many flammable materials are used in industrial processes, so avoiding fire hazards is a critical issue for such processes. Liquid organic compounds are most commonly used chemical during process, we use flash point (FP) to determine what category of flammable liquid they are and decide the storage method through its category. Besides we also understand the combustion characteristics of the chemical through the auto-ignition temperature (AIT), and determine what correct specifications of explosion-proof electric equipment is provided for handling such flammable materials in order to effectively prevent the occurrence of fire and explosion. However, using experimental methods to evaluate physical properties of the chemicals is usually time consuming, costly, and it is even precarious for toxic or explosive chemicals. Therefore, REACH regulation encourages the use of cost effective alternatives, such as the Quantitative Structure Activity Relationships (QSAR) approach. Our study retrieved all data from DIPPR 801 database maintained by the American Institute of Chemical Engineers (AIChE), and selected only experimental data to avoid using predicted value to affect the model results. Eventually, 786 experimental data were used to establish a flash point prediction model with four descriptors. This model gives the goodness-of-fit performance (
Книги з теми "Flash ignition"
Lecker, Seymour. Incendiaries: Advanced improvised explosives. Boulder, Colo: Paladin Press, 1988.
Знайти повний текст джерелаJohns, Geoff. The Flash Vol. 5: Ignition. DC Comics, 2005.
Знайти повний текст джерелаЧастини книг з теми "Flash ignition"
Gärtner, Jan Wilhelm, Daniel D. Loureiro, and Andreas Kronenburg. "Modelling and Simulation of Flash Evaporation of Cryogenic Liquids." In Fluid Mechanics and Its Applications, 233–50. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09008-0_12.
Повний текст джерелаRees, Andreas, and Michael Oschwald. "Experimental Investigation of Transient Injection Phenomena in Rocket Combusters at Vacuum with Cryogenic Flash Boiling." In Fluid Mechanics and Its Applications, 211–31. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-09008-0_11.
Повний текст джерелаZhang, Gaoming, Min Xu, Yuyin Zhang, and David L. S. Hung. "Characteristics of Flash Boiling Fuel Sprays from Three Types of Injector for Spark Ignition Direct Injection (SIDI) Engines." In Lecture Notes in Electrical Engineering, 443–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33841-0_33.
Повний текст джерелаBond, John. "Flash points." In Sources of Ignition, 7–10. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-7506-1180-0.50007-6.
Повний текст джерелаWang, Enhua, Chenyao Wang, Fujun Zhang, Huasheng Cui, Chuncun Yu, Bolan Liu, Zhenfeng Zhao, and Changlu Zhao. "Knock Suppression of a Spark-Ignition Aviation Piston Engine Fuelled with Kerosene." In Numerical and Experimental Studies on Combustion Engines and Vehicles. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.91938.
Повний текст джерелаSingh, Abhinandan, Reza M. Ziazi, and Albert Simeoni. "Intermittent fireline behavior over porous vegetative media in different crossflow conditions." In Advances in Forest Fire Research 2022, 645–50. Imprensa da Universidade de Coimbra, 2022. http://dx.doi.org/10.14195/978-989-26-2298-9_97.
Повний текст джерелаТези доповідей конференцій з теми "Flash ignition"
Disimile, Peter, and Norman Toy. "Experimental Simulation of Fuel Pool Ignition by Incendiary Flash." In 46th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2005. http://dx.doi.org/10.2514/6.2005-2333.
Повний текст джерелаZhou, Yucai, Wang Liu, Yining He, and Xin Liu. "Design of Flash Point and Ignition Point Virtual Teaching System." In 2019 International Conference on Virtual Reality and Intelligent Systems (ICVRIS). IEEE, 2019. http://dx.doi.org/10.1109/icvris.2019.00010.
Повний текст джерелаZainal, Roslinda, Abd Rahman Tamuri, Yaacob Mat Daud, Noriah Bidin, A. K. Yahya, and Shah Alam. "Improvement in Ignition and Simmer Current Supply into Xenon Flash Lamp." In PROGRESS OF PHYSICS RESEARCH IN MALAYSIA: PERFIK2009. AIP, 2010. http://dx.doi.org/10.1063/1.3469617.
Повний текст джерелаKim, Taehoon, and Sungwook Park. "Modeling Flash Breakup for a Direct-Injection Spark-Ignition Gasoline Engine." In WCX™ 17: SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2017. http://dx.doi.org/10.4271/2017-01-0548.
Повний текст джерелаValshin, A. M., S. M. Pershin, and G. M. Mikheev. "Multiple reduction of laser flash lamp ignition threshold with 0–3 MHz pumping." In 2018 International Conference Laser Optics (ICLO). IEEE, 2018. http://dx.doi.org/10.1109/lo.2018.8435432.
Повний текст джерелаCOURTNEY, ELYA, AMY COURTNEY, and MICHAEL COURTNEY. "COMPARING LEAD-BASED (CCI 41) AND LEAD-FREE (RUAG SINTOX) PRIMER PERFORMANCE IN 5.56MM NATO." In 32ND INTERNATIONAL SYMPOSIUM ON BALLISTICS. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/ballistics22/36082.
Повний текст джерелаChen, Zhuo, Peng Long, Zhiqiang Sun, Jun Zhou, and Jiemin Zhou. "CFD Simulation and Performance Analysis of CJD Burner for Intensified Flash Smelting Process." In ASME 2012 Heat Transfer Summer Conference collocated with the ASME 2012 Fluids Engineering Division Summer Meeting and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ht2012-58545.
Повний текст джерелаGolovkov, Mikhail, and Elihu Hoagland. "Arc flash testing update: Effect of arc electrode geometry and distance on cotton shirt ignition." In 2014 IEEE IAS Electrical Safety Workshop (ESW). IEEE, 2014. http://dx.doi.org/10.1109/esw.2014.6766905.
Повний текст джерелаSeko, Toshiyuki, and Eiji Kuroda. "Combustion Improvement of a Premixed Charge Compression Ignition Methanol Engine using Flash Boiling Fuel Injection." In SAE International Fall Fuels & Lubricants Meeting & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2001. http://dx.doi.org/10.4271/2001-01-3611.
Повний текст джерелаSaitou, Takeo, Keisuke Miura, Hiroshi Inoue, Nariyoshi Kobayashi, and Shin-Ichi Suzuki. "Performance Demonstration of the Full Size Multi Cluster Combustor for DME Under Real Engine Conditions." In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-68647.
Повний текст джерелаЗвіти організацій з теми "Flash ignition"
Badakhshan, Alireza, and Stephen Danczyk. Ignition of Nanoparticles by a Compact Camera Flash. Fort Belvoir, VA: Defense Technical Information Center, September 2014. http://dx.doi.org/10.21236/ada614547.
Повний текст джерелаDanczyk, Stephen A., and Bruce Chehroudi. An Innovative Ignition Method Using SWCNTs and a Camera Flash. Fort Belvoir, VA: Defense Technical Information Center, February 2005. http://dx.doi.org/10.21236/ada435024.
Повний текст джерела