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Статті в журналах з теми "Anisotropic Reynolds stress tensor"
Yuan, S. P., and R. M. C. So. "Turbulent rotating flow calculations: An assessment of two-equation anisotropic and Reynolds stress models." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 212, no. 3 (March 1, 1998): 193–212. http://dx.doi.org/10.1243/0954410981532270.
Повний текст джерелаSun, Wei, and Liping Xu. "Improvement of corner separation prediction using an explicit non-linear RANS closure." Journal of the Global Power and Propulsion Society 5 (April 7, 2021): 50–65. http://dx.doi.org/10.33737/jgpps/133913.
Повний текст джерелаDey, Subhasish, Prianka Paul, Sk Zeeshan Ali, and Ellora Padhi. "Reynolds stress anisotropy in flow over two-dimensional rigid dunes." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 476, no. 2242 (October 2020): 20200638. http://dx.doi.org/10.1098/rspa.2020.0638.
Повний текст джерелаMorrison, G. L., M. C. Johnson, and G. B. Tatterson. "Three-Dimensional Laser Anemometer Measurements in an Annular Seal." Journal of Tribology 113, no. 3 (July 1, 1991): 421–27. http://dx.doi.org/10.1115/1.2920641.
Повний текст джерелаPinarbasi, A., and M. W. Johnson. "Detailed Stress Tensor Measurements in a Centrifugal Compressor Vaneless Diffuser." Journal of Turbomachinery 118, no. 2 (April 1, 1996): 394–99. http://dx.doi.org/10.1115/1.2836654.
Повний текст джерелаSuga, Kazuhiko, Yuki Okazaki, Unde Ho, and Yusuke Kuwata. "Anisotropic wall permeability effects on turbulent channel flows." Journal of Fluid Mechanics 855 (September 21, 2018): 983–1016. http://dx.doi.org/10.1017/jfm.2018.666.
Повний текст джерелаKlein, Markus, Theresa Trummler, Noah Urban, and Nilanjan Chakraborty. "Multiscale Analysis of Anisotropy of Reynolds Stresses, Subgrid Stresses and Dissipation in Statistically Planar Turbulent Premixed Flames." Applied Sciences 12, no. 5 (February 22, 2022): 2275. http://dx.doi.org/10.3390/app12052275.
Повний текст джерелаXu, Xihai, and Xiaodong Li. "Anisotropic source modelling for turbulent jet noise prediction." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2159 (October 14, 2019): 20190075. http://dx.doi.org/10.1098/rsta.2019.0075.
Повний текст джерелаBarbi, G., A. Chierici, V. Giovacchini, F. Quarta, and S. Manservisi. "Numerical simulation of a low Prandtl number flow over a backward facing step with an anisotropic four-equation turbulence model." Journal of Physics: Conference Series 2177, no. 1 (April 1, 2022): 012006. http://dx.doi.org/10.1088/1742-6596/2177/1/012006.
Повний текст джерелаMaksoud, T. M. A., and M. W. Johnson. "Stress Tensor Measurements within the Vaneless Diffuser of a Centrifugal Compressor." Proceedings of the Institution of Mechanical Engineers, Part C: Mechanical Engineering Science 203, no. 1 (January 1989): 51–59. http://dx.doi.org/10.1243/pime_proc_1989_203_085_02.
Повний текст джерелаДисертації з теми "Anisotropic Reynolds stress tensor"
Hamilton, Nicholas Michael. "Anisotropy of the Reynolds Stress Tensor in the Wakes of Counter-Rotating Wind Turbine Arrays." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1848.
Повний текст джерелаBacco, Giacomo. "Advanced Design and Optimization of Anisotropic Synchronous Machines." Doctoral thesis, Università degli studi di Padova, 2019. http://hdl.handle.net/11577/3423172.
Повний текст джерелаQuesto lavoro analizza molti aspetti di ricerca dei motori sincroni anisotropi, che includono le macchine sincrone a riluttanza pura (SyR), a riluttanza assistita da magneti (PMaSyR) e le macchine a magneti permanenti interni (IPM). Infatti, tutte queste macchine esibiscono una forte componente di riluttanza, da cui il nome anisotrope. Dai primi anni 2000, la progettazione di macchine elettriche ha cominciato a basarsi in modo consistente sull’analisi agli elementi finiti (FEA) accoppiata ad algoritmi di ottimizzazione automatici. Questo flusso di lavoro permette al progettista di fare un minor numero di ipotesi preliminari e di esplorare uno spazio di progetto più ampio. Gli svantaggi di questo approccio sono che il tempo richiesto è lungo e che le risorse computazionali richieste possono essere elevate. Tuttavia, le prestazioni dei computer migliorano di anno in anno, e in particolar modo con la diffusione delle architetture a multi-processore. Pertanto oggigiorno è comune impiegare decine o persino centinaia di core su cluster di PC per effettuare analisi agli elementi finiti durante un’ottimizzazione. La tesi è strutturata nel seguente modo. La prima parte copre le conoscenze di base necessarie a sviluppare gli argomenti trattati nel seguito. C’è quindi un’introduzione alle macchine studiate, delle conoscenze generali sui materiali magnetici e ferromagnetici, alcuni concetti di base sull’algoritmo di ottimizzazione differential evolution (DE) utilizzato, e il disegno delle barriere fluide dei rotori di macchine a riluttanza. Nella seconda parte si sono sviluppati modelli analitici di macchine SyR e PMaSyR. Il modello completo è non lineare e può diventare abbastanza complesso da sviluppare, specialmente in un contesto industriale. Pertanto, usando alcune ipotesi semplificative, si possono derivare alcune semplici equazioni di progetto. Questo modello semplice è anche esteso e applicato a strutture di rotore asimmetriche, che tentano di compensare alcune armoniche di coppia. La terza parte si concentra sull’applicazioni di ottimizzazioni multiobiettivo accoppiate a FEA per alcuni casi di studio. In particolare, si è ottimizzato, prototipato e testato un motore SyRper pompe centrifughe. Poi, è stato condotto uno studio di fattibilità per un motore PMaSyR attraverso ottimizzazioni multi-obiettivo. Dopodiché si sono studiati motori SyRper alte velocità e si sono dedotti i limiti di potenza di questa macchina. Infine l’ottimizzazione DE multi-obiettivo è stata anche applicata per migliorare le capacità di controllo sensorless delle macchine anisotrope già in fase di progetto.
Peng, Yih Ferng, and 彭逸凡. "Development and application of an anisotropic Reynolds stress model." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/22952470835046138626.
Повний текст джерела國立臺灣大學
造船工程學系
81
ABSTRACT Use of the second-order closure turbulence model in predicting turbulent flows is known to be more successful than the classical turbulent mixing length model. It is found that if the turbulent constants of the existing second-order closure models are not altered or modified, the turbulence model is unable to predict satisfactorily for some flows, such as round jet, and wake flows, etc.. This study intends to improve the predictability of the existing second-order closure turbulence models without tunning the model constants. For this purpose, an anisotropic Reynolds stress model is derived based on the physically more realistic assumption that small turbulent eddies can be anisotropic. The proposed Reynolds stress model differs from the existing Reynolds stress model in three aspects; an anisotropic diffusion dissipation models are adopted, and an additional cross diffusion term is included in the ε equation. The proposed anisotropic Reynolds stress turbulence model , the existing Reynolds stress model and a two-equation eddy viscosity model, the k-εmodel, are then tested in four turbulent free shear flows; namely plane jet, round jet, plane wake, and plane mixing layer flows; and three turbulent wall shear flows; namely flat plate boundary layer and two backward facing step flows with different geometry boundary. It is shown that the proposed ARSM of turbulence model performs better than the existing turbulence models in all the flows concerned in this study.
Книги з теми "Anisotropic Reynolds stress tensor"
Könözsy, László. A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60603-9.
Повний текст джерелаKönözsy, László. A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13543-0.
Повний текст джерелаKönözsy, László. A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows : Volume I: Theoretical Background and Development of an Anisotropic ... Model. Springer, 2019.
Знайти повний текст джерелаKönözsy, László. New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows : Volume II: Practical Implementation and Applications of an Anisotropic Hybrid K-Omega Shear-Stress Transport/Stochastic Turbulence Model. Springer International Publishing AG, 2021.
Знайти повний текст джерелаNew Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows : Volume II: Practical Implementation and Applications of an Anisotropic Hybrid K-Omega Shear-Stress Transport/Stochastic Turbulence Model. Springer International Publishing AG, 2020.
Знайти повний текст джерелаIsett, Philip. Gluing Solutions. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691174822.003.0012.
Повний текст джерелаЧастини книг з теми "Anisotropic Reynolds stress tensor"
Könözsy, László. "A New Hypothesis on the Anisotropic Reynolds Stress Tensor." In A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows, 105–35. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13543-0_5.
Повний текст джерелаKönözsy, László. "The Anisotropic Hybrid k-$$\omega $$ SST/Stochastic Turbulence Model." In A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows, 115–40. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60603-9_2.
Повний текст джерелаKönözsy, László. "Three-Dimensional Anisotropic Similarity Theory of Turbulent Velocity Fluctuations." In A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows, 67–103. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13543-0_4.
Повний текст джерелаKönözsy, László. "Implementation of the Anisotropic Hybrid k-$$\omega$$ SST/STM Closure Model." In A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows, 141–214. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60603-9_3.
Повний текст джерелаKönözsy, László. "The k- $$\omega $$ ω Shear-Stress Transport (SST) Turbulence Model." In A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows, 57–66. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13543-0_3.
Повний текст джерелаKönözsy, László. "Two-Dimensional Simulations with an Anisotropic Hybrid k-$$\omega $$ SST/STM Approach." In A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows, 215–357. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60603-9_4.
Повний текст джерелаKönözsy, László. "Three-Dimensional Simulations with an Anisotropic Hybrid k-$$\omega $$ SST/STM Approach." In A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows, 359–404. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60603-9_5.
Повний текст джерелаKönözsy, László. "Introduction to Classical Analytical Solutions for Wall-Bounded Turbulence." In A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows, 1–113. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60603-9_1.
Повний текст джерелаKönözsy, László. "Introduction." In A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows, 1–42. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13543-0_1.
Повний текст джерелаKönözsy, László. "Theoretical Principles and Galilean Invariance." In A New Hypothesis on the Anisotropic Reynolds Stress Tensor for Turbulent Flows, 43–55. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13543-0_2.
Повний текст джерелаТези доповідей конференцій з теми "Anisotropic Reynolds stress tensor"
Habermann, Jan, Martin C. Arenz, Stephan Staudacher, Martin G. Rose, Yavuz Guendogdu, and Irene Raab. "Reynolds Stress Anisotropy in a Two-Stage Low Pressure Axial Turbine at Low Reynolds Numbers." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-56133.
Повний текст джерелаChen, Huang, Yuanchao Li, Subhra Shankha Koley, and Joseph Katz. "Effects of Axial Casing Grooves on the Structure of Turbulence in the Tip Region of an Axial Turbomachine Rotor." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-15229.
Повний текст джерелаGerolymos, Georges A., and Isabelle Vallet. "Contribution to Single-Point-Closure Reynolds-Stress Modelling of Inhomogeneous Flows." In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45346.
Повний текст джерелаSong, Xudong, Zhen Zhang, Yiwei Wang, Shuran Ye, and Chenguang Huang. "Reconstruction of RANS Model and Cross-Validation of Flow Field Based on Tensor Basis Neural Network." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-5572.
Повний текст джерелаOyewola, Olanrewaju. "Influence of Short Roughness Strip on the Anisotropy of Reynolds Stress Tensor in a Turbulent Boundary Layer." In Turbulence, Heat and Mass Transfer 5. Proceedings of the International Symposium on Turbulence, Heat and Mass Transfer. New York: Begellhouse, 2006. http://dx.doi.org/10.1615/ichmt.2006.turbulheatmasstransf.200.
Повний текст джерелаMonier, Jean-François, Nicolas Poujol, Mathieu Laurent, Feng Gao, Jérôme Boudet, Stéphane Aubert, and Liang Shao. "LES Investigation of Boussinesq Constitutive Relation Validity in a Corner Separation Flow." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75792.
Повний текст джерелаLabraga, L., L. Keirsbulck, M. Haddad, and M. Elhassan. "Effects on Topology of a Turbulent Channel Flow Subject to Blowing Through a Porous Strip." In ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/fedsm2006-98281.
Повний текст джерелаNaji, H., O. El Yahyaoui, and G. Mompean. "A Priori Analysis of Explicit Algebraic Stress Models for a Turbulent Flow Through a Straight Square Duct." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-2846.
Повний текст джерелаMacDonald, James R., and Claudia M. Fajardo. "Turbulence Anisotropy Investigations in an Internal Combustion Engine." In ASME 2020 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/icef2020-3029.
Повний текст джерелаShobayo, Olalekan O., and D. Keith Walters. "Evaluation of a Statistically Targeted Forcing Method for Synthetic Turbulence Generation in Large-Eddy Simulations and Hybrid RANS-LES Simulations." In ASME 2020 Fluids Engineering Division Summer Meeting collocated with the ASME 2020 Heat Transfer Summer Conference and the ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/fedsm2020-20376.
Повний текст джерелаЗвіти організацій з теми "Anisotropic Reynolds stress tensor"
Hamilton, Nicholas. Anisotropy of the Reynolds Stress Tensor in the Wakes of Counter-Rotating Wind Turbine Arrays. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.1847.
Повний текст джерелаWheeler, A. A., and G. B. McFadden. On the notion of a *-vector and a stress tensor for a general class of anisotropic diffuse interface models. Gaithersburg, MD: National Institute of Standards and Technology, 1996. http://dx.doi.org/10.6028/nist.ir.5848.
Повний текст джерела