Literatura científica selecionada sobre o tema "Pressure-Wave-Propagation method"
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Artigos de revistas sobre o assunto "Pressure-Wave-Propagation method"
HoIe, S. "Recent developments in the pressure wave propagation method". IEEE Electrical Insulation Magazine 25, n.º 3 (maio de 2009): 7–20. http://dx.doi.org/10.1109/mei.2009.4976898.
Texto completo da fonteMiyazaki, Yusuke, Jon Farmer, Miki Morimatsu, Shota Ito, Séan Mitchell e Paul Sherratt. "Brain Pressure Wave Propagation during Baseball Impact". Proceedings 49, n.º 1 (15 de junho de 2020): 149. http://dx.doi.org/10.3390/proceedings2020049149.
Texto completo da fonteTommasin, Caenen, Verhegghe, Greenwald e Segers. "Physics of Within-Tissue Wave Propagation Generated by Pulse Propagation in the Carotid Artery". Applied Sciences 9, n.º 14 (18 de julho de 2019): 2878. http://dx.doi.org/10.3390/app9142878.
Texto completo da fonteZhang, Xiu Hua, e Yan Yan Wu. "Numerical Analysis of Shock Wave Propagation Law of Internal Gas Explosion". Applied Mechanics and Materials 105-107 (setembro de 2011): 299–302. http://dx.doi.org/10.4028/www.scientific.net/amm.105-107.299.
Texto completo da fonteWilliam-Louis, M. J. P., e C. Tournier. "Calculation of Pressure Wave Propagation Through a Tube Junction". Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 210, n.º 3 (maio de 1996): 239–44. http://dx.doi.org/10.1243/pime_proc_1996_210_193_02.
Texto completo da fonteWei, Kang, Yuangui Mei, Qi Sun e Xiao Hu. "Propagation Characteristics of Initial Compression Wave Induced by 400 km/h High-Speed Trains Passing through Very Long Tunnels". Applied Sciences 14, n.º 13 (8 de julho de 2024): 5946. http://dx.doi.org/10.3390/app14135946.
Texto completo da fonteSun, Yali, Feihu Zheng, Zhenlian An, Yewen Zhang, Stephane Hole, Zhien Zhu, Liming Yang et al. "Pressure wave propagation method for space charge measurement in coaxial geometry". IEEE Transactions on Dielectrics and Electrical Insulation 25, n.º 6 (dezembro de 2018): 2139–46. http://dx.doi.org/10.1109/tdei.2018.007234.
Texto completo da fonteYang, Jun, Junhua He, Dezhi Zhang, Haibin Xu, Guokai Shi, Min Zhang, Wenxiang Liu e Yang Zhang. "Local Phase-Amplitude Joint Correction for Free Surface Velocity of Hopkinson Pressure Bar". Applied Sciences 10, n.º 15 (4 de agosto de 2020): 5390. http://dx.doi.org/10.3390/app10155390.
Texto completo da fonteAkkas, N., e F. Erdogan. "The Residual Variable Method Applied to Acoustic Wave Propagation from a Spherical Surface". Journal of Vibration and Acoustics 115, n.º 1 (1 de janeiro de 1993): 75–80. http://dx.doi.org/10.1115/1.2930318.
Texto completo da fonteShatalova, N., T. Apasov, Al Shatalov e B. Grigoriev. "Renovation method of restoring well productivity using wavefields". Journal of Mining Institute 258 (30 de dezembro de 2022): 986–97. http://dx.doi.org/10.31897/pmi.2022.108.
Texto completo da fonteTeses / dissertações sobre o assunto "Pressure-Wave-Propagation method"
Gunasekaran, Barani. "Development and validation of a pressure based CFD methodology for acoustic wave propagation and damping". Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/8740.
Texto completo da fonteWilliam-Louis, Mame Jean Pierre. "Etude aérothermodynamique de la propagation des ondes de pression lors de la circulation des trains en tunnels simples ou ramifiés". Valenciennes, 1994. https://ged.uphf.fr/nuxeo/site/esupversions/8a9bc601-5e51-4f33-9b4d-97889ee8f87e.
Texto completo da fonteZheng, Lin. "Étude et caractérisation des interfaces conducteur/isolant par la méthode de l'onde de pression". Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS288.
Texto completo da fonteThe interfaces between a conductor and an insulator are generally assumed to be perfect, meaning that the Debye length in the insulator is considered to be much larger than its thickness. However, this work shows that this is not the case and that interface states generate a contact potential that can significantly alter the behavior of the interface when the material is subjected to a strong electric field. Indeed, the interface dipole responsible for the interface voltage modifies the curvature of the energy bands and thus either promotes or hinders charge injection or extraction. A series of experiments was conducted using the pressure wave method, implemented with a high-power acoustic generator on various polyethylene samples, with different electrodes and under various experimental conditions. The interface dipoles observed through measurement do indeed influence charge injection when the material is under high voltage. It is noteworthy that aluminum has a greater influence, particularly when used with silicone oil. When the insulator does not have electrodes, it is preferable to directly couple it with a carbon-filled polymer and silicone oil rather than deposit electrodes on it under vacuum. The interface dipole observed is indeed closer to that seen with carbon-filled polymer electrodes hot-bonded to the material. Upon applying voltage, charges initially penetrate the sample due to the interface dipole. The migration of these charges then leads to secondary injections caused by a field effect. Fluorinating the surface of the samples did not significantly improve the situation and thus does not act as a shield against charges, but rather as a barrier to the diffusion of impurities
Widehammar, Svante. "A Method for Dispersive Split Hopkinson Pressure Bar Analysis Applied to High Strain Rate Testing of Spruce Wood". Doctoral thesis, Uppsala University, Department of Materials Science, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-2872.
Texto completo da fonteEn metod för dispersiv analys av försök med delad hopkinsonstång tillämpad på provning av granved vid hög töjningshastighet
Syftet var att etablera en metod för att studera sambandet mellan spänning och töjning för granved vid hög töjningshastighet. Detta åstadkoms genom att anpassa och något vidareutveckla tekniken med delad hopkinsonstång ("Split Hopkinson Pressure Bar", SHPB).
Vanligtvis har hopkinsonstavar cirkulärt tvärsnitt och en diameter som är mycket mindre än de verksamma våglängderna. Under sådana förhållanden är vågutbredningen i stängerna approximativt ickedispersiv, och en endimensionell (1D) vågutbredningsmodell kan användas. När det, som är fallet i denna studie, däremot inte kan säkerställas att stängernas tvärdimensioner är små i förhållande till våglängderna, är en helt igenom 1D vågutbredningsmodell otillräcklig, och tvärsnittets geometri, vilken var kvadratisk i denna studie, måste beaktas. Därför utvecklades med hjälp av Hamiltons princip en approximativ 3D vågutbredningsmodell för stänger med godtyckligt tvärsnitt. Modellen ger ett dispersionssamband (vågtal som funktion av vinkelfrekvens) samt medelvärden för förskjutningar och spänningar över gränsytorna mellan stänger och provstav. En kalibreringsprocedur utvecklades också.
Provning av granved genomfördes vid hög töjningshastighet (omkring 103 s-1) med den anpassade SHPB-tekniken, samt för jämförelse vid låg (8×10-3 s-1) och måttlig (17 s-1) töjningshastighet med en servohydraulisk provningsmaskin. Fukthalterna i veden motsvarade ugnstorr, fibermättnad och fullständig mättnad, och proven utfördes i radiell, tangentiell och axiell riktning i förhållande till trädets stam. För vart fall utfördes fem försök vid rumstemperatur. Resultaten visar töjningshastighetsberoendet för sambandet mellan spänning och töjning för granved under alla studerade förhållanden.
The aim was to establish a method for studying the relation between stress and strain in spruce wood at high strain rate. This was achieved by adapting and somewhat further developing the split Hopkinson pressure bar (SHPB) technique.
Hopkinson bars usually have a circular cross-section and a diameter much smaller than the operative wavelengths. The wave propagation in the bar is then approximately non-dispersive and a one-dimensional (1D) wave propagation model can be used. When, as in this study, it is not certain that the transverse dimensions of the bars are small in relation to the wavelengths, a solely 1D wave propagation model is insufficient and the geometry of the cross-section, which was square in this study, must be taken into account. Therefore, an approximate 3D wave propagation model for bars with arbitrary cross-section was developed using Hamilton's principle. The model provides a dispersion relation (wavenumber vs. angular frequency) and average values for displacements and stresses over the bar/specimen interfaces. A calibration procedure was also developed.
Tests on spruce wood specimens were carried out at a high strain rate (about 103 s-1) using the adapted SHPB technique, and for comparison at low (8×10-3 s-1) and medium (17 s-1) strain rates using a servohydraulic testing machine. The moisture contents of the wood specimens corresponded to oven dry, fibre saturated and fully saturated, and the testing was performed in the radial, tangential and axial directions relative to the stem of the tree. In each case, five tests were run at room temperature. The results show the strain rate dependence of the relation between stress and strain for spruce wood under all conditions studied.
Resch, Janelle. "Nonlinear Wave Propagation in Brass Instruments". Thesis, 2012. http://hdl.handle.net/10012/7282.
Texto completo da fonteRoach, Lisa Aretha Nyala. "Temporal Variations in the Compliance of Gas Hydrate Formations". Thesis, 2012. http://hdl.handle.net/1807/44081.
Texto completo da fonteCapítulos de livros sobre o assunto "Pressure-Wave-Propagation method"
O'Donovan, J., C. O'Sullivan e G. Marketos. "Micromechanics of Seismic Wave Propagation in Granular Materials". In Discrete Element Modelling of Particulate Media, 245–54. The Royal Society of Chemistry, 2012. http://dx.doi.org/10.1039/bk9781849733601-00245.
Texto completo da fonteYang, Jing, Li-hong Gu, Kai Wang, Jiong Zhu, Ying-ying Zhao, Wei-feng Shi, Min Lin, Jian Yang e Wen-Rong Si. "Simulation Study on Ultrasonic Signal Propagation Characteristics of Partial Discharge in Transformers". In Advances in Transdisciplinary Engineering. IOS Press, 2024. http://dx.doi.org/10.3233/atde231268.
Texto completo da fonteTimushev, Sergey, Andrey Aksenov e Jiawen Li. "Acoustic-Vortex Decomposition Method for CFD-CAA Study of Blade Machine Noise". In Vortex Dynamics - Theoretical, Experimental and Numerical Approaches [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1006111.
Texto completo da fonteYang, Jing, Kai Wang, Li-hong Gu, Hao-lu Hu, Yao-jun Zhou, Jia-yu Liu, An-feng Jiang, Jian Yang e Wen-rong Si. "Research on Partial Discharge Localization Method of Transformer Based on the Simulated Annealing Algorithm". In Advances in Transdisciplinary Engineering. IOS Press, 2024. http://dx.doi.org/10.3233/atde231267.
Texto completo da fonteDjojodihardjo, Harijono. "Acoustic Method for the Suppression of Acoustic and Aerodynamically Induced Vibration on Structures". In Modeling and Simulation Techniques in Structural Engineering, 1–37. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-0588-4.ch001.
Texto completo da fonteGlass, Irvine I., e J. P. Sislian. "Transition Fronts". In Nonstationary Flows and Shock Waves, 19–45. Oxford University PressOxford, 1994. http://dx.doi.org/10.1093/oso/9780198593881.003.0003.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Pressure-Wave-Propagation method"
Haque, N., S. Dalai, S. Chakravorti e B. Chatterjee. "Space charge measurement in dielectrics using Pressure Wave Propagation method". In 2015 International Conference on Condition Assessment Techniques in Electrical Systems (CATCON). IEEE, 2015. http://dx.doi.org/10.1109/catcon.2015.7449540.
Texto completo da fonteHaque, Nasirul, Biswendu Chatterjee e Sivaji Chakravorti. "Simulation of pressure wave propagation method for space charge measurement in dielectrics". In 2015 International Conference on Energy, Power and Environment: Towards Sustainable Growth (ICEPE). IEEE, 2015. http://dx.doi.org/10.1109/epetsg.2015.7510111.
Texto completo da fonteSalame, Basil, e Stephane Hole. "The pressure wave propagation method for the study of interface electric field". In 2015 IEEE Electrical Insulation Conference. IEEE, 2015. http://dx.doi.org/10.1109/icacact.2014.7223595.
Texto completo da fonteCheng, Lin, Lisheng Zhong, Yue Zhang e Jingliang Chen. "Study on electrical properties of cell suspension by the pressure wave propagation method". In 2010 10th IEEE International Conference on Solid Dielectrics (ICSD). IEEE, 2010. http://dx.doi.org/10.1109/icsd.2010.5568008.
Texto completo da fonteSatoh, Y. "Observation of charge behavior in organic photoconductor using the pulsed electroacoustic method and pressure wave propagation method". In Seventh International Conference on Dielectric Materials, Measurements and Applications. IEE, 1996. http://dx.doi.org/10.1049/cp:19961003.
Texto completo da fonteFukuyoshi, F., D. Gotoh, Y. Tanaka, T. Takada, R. Watanabe, N. Tomita e R. Liu. "Observation of charge accumulation process in electron beam irradiated polymers using pressure wave propagation method". In Proceedings of 2005 International Symposium on Electrical Insulating Materials, 2005. (ISEIM 2005). IEEE, 2005. http://dx.doi.org/10.1109/iseim.2005.193554.
Texto completo da fonteNdour, Assane, Stephane Hole, Paul Leblanc e Thierry Paillat. "Direct observation of charge effects at liquid-solid interface with the pressure-wave-propagation method". In 2020 IEEE 3rd International Conference on Dielectrics (ICD). IEEE, 2020. http://dx.doi.org/10.1109/icd46958.2020.9341861.
Texto completo da fonteHaque, Nasirul, Biswendu Chatterjee e Sivaji Chakravorti. "Modeling of a piezoelectric transducer for application in space charge detection using pressure wave propagation method". In 2015 International Conference on Energy Economics and Environment (ICEEE). IEEE, 2015. http://dx.doi.org/10.1109/energyeconomics.2015.7235093.
Texto completo da fonteYali Sun, Yewen Zhang, Stephane Hole, Peng Ma, Feihu Zheng e Zhenlian An. "Physical model of measuring space charge distribution by Pressure Wave Propagation method for high voltage cable". In 2016 International Conference on Condition Monitoring and Diagnosis (CMD). IEEE, 2016. http://dx.doi.org/10.1109/cmd.2016.7757832.
Texto completo da fonteSato, Keiichi, Youhei Wada, Yoshitaka Noto e Yasuhiro Sugimoto. "Reentrant Motion in Cloud Cavitation due to Cloud Collapse and Pressure Wave Propagation". In ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30350.
Texto completo da fonteRelatórios de organizações sobre o assunto "Pressure-Wave-Propagation method"
Hart, Carl R., e Gregory W. Lyons. A Measurement System for the Study of Nonlinear Propagation Through Arrays of Scatterers. Engineer Research and Development Center (U.S.), novembro de 2020. http://dx.doi.org/10.21079/11681/38621.
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