Relevant bibliographies by topics / Powerflow

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Powerflow'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "Powerflow"

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Zhao, Qun, Chen Zhang, and Jin Fang Zhao. "Design of Double-Deck Isolation Systems." Advanced Materials Research 118-120 (June 2010): 389–93. http://dx.doi.org/10.4028/www.scientific.net/amr.118-120.389.

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On the basis of the powerflow theory and four-end parameter analysis method, the responses and the powerflow characteristics of the vibration transfer path system are examined. The sensitivity of non-linear damping is employed as measurement criterion. The powerflow and powerflow sensitivity are obtained and the effect on powerflow and powerflow sensitivity of dry friction damping, fluid damping and structural damping is studied. Numerical results are also presented and discussed. It is supposed to study the sensitivity of these parameters, to estimate the effect of the change of parameters, to improve the design performance.
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Shestakova, V. V., I. M. Kats, and A. V. Darkhanova. "Powerflow calculations in powersystems considering traction load." IOP Conference Series: Materials Science and Engineering 1019 (January 21, 2021): 012004. http://dx.doi.org/10.1088/1757-899x/1019/1/012004.

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Sun, Chenghai, Franck Pérot, Raoyang Zhang, David M. Freed, and Hudong Chen. "Impedance Boundary Condition for Lattice Boltzmann Model." Communications in Computational Physics 13, no. 3 (March 2013): 757–68. http://dx.doi.org/10.4208/cicp.421011.260112s.

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AbstractA surface based lattice Boltzmann impedance boundary condition (BC) using Ozyoruk’s model [J. Comput. Phys., 146 (1998), pp. 29-57] is proposed and implemented in PowerFLOW. In Ozyoruk’s model, pressure fluctuation is directly linked to normal velocity on an impedance surface. In the present study, the relation between pressure and normal velocity is realized precisely by imposing a mass flux on the surface. This impedance BC is generalized and can handle complex geometry. Combined with the turbulence model in the lattice Boltzmann solver PowerFLOW, this BC can be used to model the effect of a liner in presence of a complex 3D turbulent flow. Preliminary simulations of the NASA Langley grazing flow tube and Kundt tube show satisfying agreement with experimental results.
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Choi, Eui-Sung, and Stephane Cyr. "PowerFLOW Simulation of the Hyundai Simple Model for Sunroof Buffeting." Transactions of the Korean Society for Noise and Vibration Engineering 24, no. 3 (March 20, 2014): 189–97. http://dx.doi.org/10.5050/ksnve.2014.24.3.189.

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Garrity, Danielle, Molly Graves, Jeanne Linden, Patricia St. Pierre, Paula Ducharme, Yong Zhao, Mindy Greene, Michelle Vauthrin, and Robert Weinstein. "Performance characteristics of the PowerFlow apheresis port: Early experience." Journal of Clinical Apheresis 34, no. 6 (August 19, 2019): 661–65. http://dx.doi.org/10.1002/jca.21743.

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König, Benedikt, and Ehab Fares. "Exa PowerFLOW Simulations for the Sixth AIAA Drag Prediction Workshop." Journal of Aircraft 55, no. 4 (July 2018): 1482–90. http://dx.doi.org/10.2514/1.c034480.

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Arabi, S., and P. Kundur. "A versatile FACTS device model for powerflow and stability simulations." IEEE Transactions on Power Systems 11, no. 4 (1996): 1944–50. http://dx.doi.org/10.1109/59.544668.

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Moskalenko, A. A. "STUDY OF THE PHYSICAL AND MECHANICAL CHARACTERISTICS OF HIGHLY FILLED SLAG-CONTAINING CEMENTS MODIFIED WITH ORGANIC-MINERAL ADDITIVES PRODUCED BY BAUCHEMI." Bulletin of Odessa State Academy of Civil Engineering and Architecture, no. 81 (December 7, 2020): 129–38. http://dx.doi.org/10.31650/2415-377x-2020-81-129-138.

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Abstract. The physical and mechanical characteristics of highly filled slag cements modified by the organic-mineral complex of LLC “MC Bauhemi” have been investigated. As a result of optimization, the area of permissible concentrations of organic-mineral additives was established according to the maximum criteria for the timing of the beginning and end of setting and strength in compression at the age of 7 and 28 days. It is shown that the expansion of the beginning of setting and its end is positively influenced by the presence of the plasticizer MC-PowerFlow 2695 from 0.43 to 0.8% and the organic-mineral complex Centrilit NC and Centrilit Fume SX in an amount from 3 / 5.25 to 5.2 / 7%, that with a simultaneous increase in the slag content from 50 to 70% in the composition of Portland cement, the start-end time of setting increases from 225/250 to 320/330 minutes, which is 1.3 / 1.5 times higher than similar indicators of no additive Portland cement. It was noted that at the age of 7 and 28 days, the introduction of an organic-mineral complex of the composition MC-PowerFlow 2695 from 0.28 to 0.64%, Centrilit NC from 4.23 to 7% and Centrilit Fume SX from 3 to 7% and at the content of GDSH in the amount of 50 and 70% contributes to the production of an artificial stone of the M500 brand with compressive strength in the range of 47 / 52.8 and 46/48 MPa. Using the method of superposition of response functions, the optimal area of permissible concentrations of the components of the Bauhemi organic-mineral complex, affecting the stated criteria, was determined when the slag content in Portland cement was 50 and 70%, namely: 0.6% MC-PowerFlow 2695, 5% Centrilit NC and 5 % Centrilit Fume SX. Further research will be aimed at studying the effect of this complex on the physical and mechanical properties with a slag content of 50 and 70% in the composition of Portland cement.
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Gill, Janique C., Darlene J. Oakley, and Oluwatoyosi A. Onwuemene. "Strategies to Aid Identification of Apheresis PowerFlow Ports: A Case Report." Journal of Emergency Nursing 47, no. 1 (January 2021): 21–27. http://dx.doi.org/10.1016/j.jen.2020.10.004.

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Williams, Lance A., Michael N. Boshell, Jill Adamski, Huy P. Pham, Bryan Guillory, James Sikora, Stephanie Lisby, Ashley Lovingood, X. Long Zheng, and Marisa B. Marques. "Exclusive use of PowerFlow ports may not be appropriate for all patients." Journal of Clinical Apheresis 35, no. 1 (September 18, 2019): 66–68. http://dx.doi.org/10.1002/jca.21749.

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Dissertations / Theses on the topic "Powerflow"

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Díaz, Vázquez Guillermo. "Case Data Analysis Tool for PowerFLOW." Thesis, KTH, Flygdynamik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-262008.

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The field of computational fluid dynamics (CFD) is exponentially growing in terms of performance, robustness, and applications. The expansion of CFD also means more users and more simulations, which translates into more human errors and mistakes in the simulation set up. Because the simulation set up should be the correct in order to accurately reproduce the desired phenomenon, such errors must be mitigated in order to increase the reliability and robustness of the simulations. In this project a tool has been developed to tackle this issue, within the CFD software SIMULIA PowerFLOW. The tool extracts and analyzes the data of the cases before simulation, reporting the results to the user for error detection. The present work aims to present the implementation, the application and the benefits of the designed tool.
Strömningsmekaniska beräkningar (CFD) området växer exponentiellt med avseende på prestanda, robusthet och tillämpningar. Expansionen av CFD bidrar även till er användare och simuleringar, vilket i sin tur leder till er mänskliga fel och misstag i uppsättningen av simuleringar. Eftersom simuleringsuppsättningen behöver vara korrekt för att återskapa önskade fenomen, behöver sådana fel undvikas för att kunna öka simuleringens tillförlitlighet och robusthet. Med avseende på detta utvecklades ett verktyg i CFD mjukvaran SIMULIA PowerFLOW. Verktyget extraherar och analyserar inställningarna före simulering och rapporterar resultaten till användaren för feldetektering. Det här arbetet redogör för utvecklingen, tillämpningen och fördelarna med framställda verktyget.
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Krishnapillai, Shankar. "Application of finite element models to powerflow calculations : a receptance approach." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297248.

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Artola, Bixente. "Scoop optimization : A preliminary study." Thesis, KTH, Energiteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-249672.

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Scoops are important parts in an aircraft engine design, as they provide airflowto different equipment and subsystems. The optimization of such a component isessential in order to find a design that can perform properly within a range of flightconditions, with a minimum impair of main flow aerodynamic performances. Scoopdesign methods are generally based on previous experimental results and are usuallyconstrained by the limited space available. The studied configuration concerns theflush scoop located inside the secondary flow of turbofans which provides flow fora turbine cooling equipment. Depending on flight conditions and engine workingpoint, this scoop will experience various flow regimes, from low mass flow rates tochoke flows. Therefore, the study of several scooped mass flow rates is mandatoryto extract the scoop behaviour. The thesis concerns the preliminary step beforea 3D CFD optimization : a study of influence is run on the baseline geometry inorder to investigate the robustness of the solution computed using different methodsand to determine the parameters to be optimized. Firstly, the full post-processingmethodology is defined to properly evaluate the performance of a design (scoopefficiency, induced pressure losses). A second step consists in analysing the abilityof CFD solvers to capture the different flow behaviour. This point is addressed bycomparing solvers (Fluent, elsA, PowerFLOW), meshes (structured, unstructured)and turbulence models. The third step deals with the optimization strategy definitionto improve the scoop design and thus the engine fuel consumption.
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Ciaroni, Riccardo. "Stima dello stato nelle reti di distribuzione." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/17249/.

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La stima dello stato di un sistema elettrico rappresenta un processo di stima di un gruppo di variabili di stato, in un preciso istante di tempo, che lo descrivano in modo univoco partendo da un certo numero di misure tenendo conto delle incertezze ad esse correlate. Conoscere lo stato di un sistema è fondamentale per una gestione efficiente, in sicurezza e nel rispetto dei vincoli tecnici, delle reti elettriche. La tesi ha come obiettivo la procedura di stima dello stato mediante il metodo dei minimi quadrati ed in particolare alla sua applicazione a reti di distribuzione dell’energia elettrica. La stima dello stato di reti di distribuzione pone problemi particolari essenzialmente legati al gran numero di carichi, e quindi di nodi, in genere non monitorati in tempo reale, e alla lunghezza limitata delle linee, specie in reti urbane. Il gran numero di nodi e l’assenza di misure in numero sufficiente a rendere la rete osservabile e La tesi analizza tali aspetti mediante applicazione di un algoritmo di stima dello stato, disponibile nella libreria Matpower di Matlab, a due reti test di diverse caratteristiche. La prima è una rete test IEEE disponibile in letteratura, caratterizzata da lunghi feeder rurali a tensione nominale 4,16 kV, ed una porzione della rete di distribuzione AMAIE di Sanremo, caratterizzata da feeder urbani in cavo, a tensione nominale 15 kV. Le principali difficoltà riscontrate nell’esecuzione di calcoli di lod flow e stima dello stato della rete reale sono risultati legati alla complessità della topologia della rete, al gran numero di nodi utenti finali e alla presenza di misure distribuite solo in un determinato porzione della rete, dalla presenza di un gran numero di misure in bassa tensione ed alla necessità di identificare la rete a partire dalla sua descrizione contenuta in un file avente un formato particolare (hdc).
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Holomek, David. "Inteligentní elektronické zařízení REF615." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221129.

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The main objective of this thesis is to create a monitoring system for an asynchronous motor using IED REF615. For REF615 devices it is necessary to make the appropriate configuration and connection.The device communicate with the MVI69-MNET card by Modbus/TCP protocol. The thesis describes the operation of an asynchronous motor through the use of a PowerFlex 40 frequency changer. PowerFlex 40 sends data via an Ethernet/IP connection. The thesis also describes a program in PLC for monitoring the power status of an asynchronous motor. The next part of my work is a visualization created in the FactoryTalk View Studio. In conclusion, the thesis is tested by connecting all of the components as well as all of the proposed functions.
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Books on the topic "Powerflow"

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1926-, Martin Mavis D., and Eller William, eds. Powerflex: Reading for meaning, flexibility, and study. New York: Harper & Row, 1988.

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Powerfood. Van Holkema & Warendorf, 2014.

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Forystek, Jim. Powerflex. Bronze Bow Publishing, 2005.

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(Undifferentiated), Hill. Im Powerflex. Not Avail, 1998.

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Hill, Rachael Anne, and Tamsin Burnett-Hall. The Powerfood Cookbook. Ryland Peters & Small, 2007.

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Bruton, Kathryn. Super Suppen - Das neue Powerfood. Fackelträger Verlag GmbH, 2017.

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Edgson, Vicki, and Heater Thomas. Brühe: Powerfood für Genuss, Gesundheit & Wohlbefinden. Thorbecke Jan Verlag, 2016.

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Hamm, Michael. Fit for Fun Powerfood für Spitzenleistungen. Südwest-Verlag, 2001.

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Weber, Marlis. Trockenfrüchte und Nüsse. Powerfood zum gesunden Schlemmen. Südwest-Verlag, 2000.

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Burns, Jerry. Powerflex Folio for Marching/Pep Band for Conductor. Alfred Publishing Company, 1996.

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Book chapters on the topic "Powerflow"

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Kroes, Lies, and Suleman Shahid. "PowerFood: Turns Fruit Eating into Fun and Makes Snacks Not Done." In Lecture Notes in Computer Science, 525–28. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-34292-9_50.

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"Preface." In Improved Indirect Power Control (IDPC) of Wind Energy Conversion Systems (WECS), edited by Fayssal Amrane and Azeddine Chaiba, i. BENTHAM SCIENCE PUBLISHERS, 2019. http://dx.doi.org/10.2174/9789811412677119010002.

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HOW TO USE THIS BOOK This book offers advanced Power Control such as: Indirect Power Control (IDPC) to overcome wind-system DFIG limitation performances under different wind speed and parameters changement conditions. This book is addressed to students of: License, Master degrees and also for Post-graduation (PhD students) in order to understand the wind-system basics especially: Power electronics control (in this proposed Book we used SVM in order to fix the switching frequency), Powerflow DFIM diagram & Maximum power point tracking strategy. CONSENT FOR PUBLICATION: Not applicable. CONFLICT OF INTEREST: The authors declare no conflict of interest, financial or otherwise. ACKNOWLEDGEMENTS: Firstly, I would like to thank Allah, for His mercy on me during all my life, and praise Prophet MOHAMMAD (Peace be upon him!). I would like to express my appreciation to all those who gave me the possibility to complete this book. I wish to express my best gratitude and thanks to my Co-Editor, Pr Azeddine CHAIBA, for his technical guidance, his intellectual support and encouragement of my research work.
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Conference papers on the topic "Powerflow"

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Hahn, K. "Initial Powerflow Studies on RITS." In BEAMS 2002: 14th International Conference on High-Power Particle Beams. AIP, 2002. http://dx.doi.org/10.1063/1.1530818.

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Bucknor, Norman K. "Automatic Determination of Transmission Powerflow Mechanizability Using Graph Theory." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34018.

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A methodology has been developed to automatically generate planetary geartrain topologies based on criteria such as the number of desired speed ratios and the number of torque transmitting mechanisms [1]. This paper describes an algorithm and computer code for automatically determining the mechanizability of the candidate geartrains. The mathematical description of each topology is interpreted as a graph, a collection of vertices and connecting edges, which can then be tested for planarity using graph-processing algorithms. A planar graph implies mechanizability. Using another algorithm based on graph theory, the computer code also detects and eliminates duplicate designs that may be hard to detect via visual inspection. The computer program significantly reduces the time needed to manually process design data sets by eliminating those design candidates that are infeasible.
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Konig, Benedikt, Ehab Fares, Mitsuhiro Murayama, and Yasushi Ito. "PowerFLOW Simulations for the Third AIAA High-Lift Prediction Workshop." In 2018 AIAA Aerospace Sciences Meeting. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-1255.

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Konig, Benedikt, Andre F. Ribeiro, and Ehab Fares. "Exa PowerFLOW Simulations for the Sixth AIAA Drag Prediction Workshop." In 55th AIAA Aerospace Sciences Meeting. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2017. http://dx.doi.org/10.2514/6.2017-0963.

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Williams, Matthew, Srikanthan Sridharan, Subhabrata Banerjee, Chris Mak, Craig Pauga, Philip Krein, Andrew Alleyne, Anthony Jacobi, and Steven D'Urso. "PowerFlow: A Toolbox for Modeling and Simulation of Aircraft Systems." In SAE 2015 AeroTech Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2015. http://dx.doi.org/10.4271/2015-01-2417.

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Attibele, Pradeep. "A New Approach to Understanding Planetary Gear Train Efficiency and Powerflow." In WCX SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2020. http://dx.doi.org/10.4271/2020-01-0432.

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Singh, Santosh V., and K. N. Shubhanga. "Series injection-based powerflow modelling of a solar photovoltaic power system." In 2016 IEEE 1st International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES). IEEE, 2016. http://dx.doi.org/10.1109/icpeices.2016.7853310.

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Leveringhaus, T., T. Breithaupt, and L. Hofmann. "Physically based congestion management by powerflow superposition methods at optimal cost." In 2012 IEEE International Conference on Power System Technology (POWERCON 2012). IEEE, 2012. http://dx.doi.org/10.1109/powercon.2012.6401373.

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Mukutmoni, Devadatta, Jaehoon Han, and Ales Alajbegovic. "Numerical and Experimental Investigation of Temperature and Flow Field in a Full Vehicle." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44405.

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Accurate CFD simulation of full vehicle enables vehicle development specialists to gain access to detailed flow and temperature field for the entire vehicle and for arbitrary driving conditions. Information of that nature is invaluable to vehicle development and design since it leads to detailed understanding of the problem areas and pointers to how the design and performance can be improved from the thermal management perspective. Presented are simulations of the vehicle Renault Scenic II cruising at 60 kilometers per hour using PowerFLOW. The simulations were performed using a coupling between the flow solver PowerFLOW and the thermal simulation package PowerTHERM that accounts for conduction and radiation effects. The simulation results were compared with the test data for steady state forced convection case. In order to gauge the accuracy of the simulations, extensive validations were made with thermocouple data and flow measurements. Good agreement was observed between the simulation results and the measurements.
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Duda, Benjamin M., Ehab Fares, Rupesh Kotapati, Yanbing Li, Ilya Staroselsky, Raoyang Zhang, and Hudong Chen. "Capturing Laminar to Turbulent Transition within the LBM based CFD solver PowerFLOW." In AIAA Scitech 2019 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2019. http://dx.doi.org/10.2514/6.2019-1832.

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