Relevant bibliographies by topics / Rotors

Contents

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

Academic literature on the topic 'Rotors'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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Journal articles on the topic "Rotors"

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Hou, Xukui, Ende Wang, Hui Cao, Yalong Zhu, and Kai Qi. "Research on Dynamic Balance Adjustment Method of Single Braced Frame Gyroscope Rotor." MATEC Web of Conferences 256 (2019): 02005. http://dx.doi.org/10.1051/matecconf/201925602005.

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The uneven mass distribution of gyro rotors results in vibration, rotation and drift of gyro rotors, which seriously affect the performance index and life of gyro rotors. However, because there is no rigid connection between the rotary shaft and the shell of the gyro rotor, the dynamic balancing machine can only balance the vibration component of the single braced frame gyroscope rotor, and can’t measure the gyro rotor’s rotation component. By analyzing the influence of uneven rotor mass distribution on the gyro rotor performance, a method of eliminating two rotational degrees of freedom of th
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Kay, Matthew W., Gregory P. Walcott, James D. Gladden, Sharon B. Melnick, and Jack M. Rogers. "Lifetimes of epicardial rotors in panoramic optical maps of fibrillating swine ventricles." American Journal of Physiology-Heart and Circulatory Physiology 291, no. 4 (2006): H1935—H1941. http://dx.doi.org/10.1152/ajpheart.00276.2006.

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During ventricular fibrillation (VF), electrical activation waves are fragmented, and the heart cannot contract in synchrony. It has been proposed that VF waves emanate from stable periodic sources (often called “mother rotors”). The objective of the present study was to determine if stable rotors are consistently present on the epicardial surface of hearts comparable in size to human hearts. Using new optical mapping technology, we imaged VF from nearly the entire ventricular surface of six isolated swine hearts. Using newly developed pattern analysis algorithms, we identified and tracked VF
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Prasad Rao, Jubilee, Jonathan E. Holzsager, Marco M. Maia, and Javier F. Diez. "Experimental Study into Optimal Configuration and Operation of Two-Four Rotor Coaxial Systems for eVTOL Vehicles." Aerospace 9, no. 8 (2022): 452. http://dx.doi.org/10.3390/aerospace9080452.

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Coaxial rotors are utilized in multirotor aerial vehicles for the added thrust compared to independent rotors while keeping similar area footprints; however, performance losses should be considered. This experimental study analyzes the effects of varying motor duty cycle and propeller pitch values in motor-propeller systems with two to four coaxial rotors. The results demonstrate that in a two-rotor coaxial system, to lessen the adverse effects of a front rotor’s backwash and operate at the maximum performance, only the back motor should be operated initially up to 75% duty cycle before using
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Liu, Bao Guo, Hai Feng Hua, Long Wang Yue, and Xiao Ding Xu. "Design of the Post-Processor for Rotors Dynamics Based on the STEP Standard." Advanced Materials Research 706-708 (June 2013): 1871–76. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.1871.

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The STEP standard is an international standard for data expressing and exchanging during the whole life cycle of the product, the neutral file is an universal data exchange form for the data exchanging. In order to develop a STEP post-processer for the rotor dynamics analysis software-Rotors Dynamics, the author elaborates the lexical analysis module and data mapping module, studies the rotor model parameter extraction based on STEP neutral file, and realizes the seamless connectivity between the Rotors Dynamics and the rotor’s CAD model.
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Andrew, Philip L. "GE Power Services Ships First F-class Extended-Life Rotors." Mechanical Engineering 138, no. 05 (2016): 54–55. http://dx.doi.org/10.1115/1.2016-may-4.

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This article presents an overview of technical aspects of the first F-class gas turbine life-extended rotors. Power Services, a GE Power Business, has shipped from the Greenville, S.C., facility its two F-class extended-life rotors, building upon a foundation of experience gained by executing more than 20 E-class rotor life extensions (RLEs). Experience has shown that additional features that require inspection, including rabbet fillets on wheels other than on stage one, cannot be inspected without a complete rotor disassembly. Each rotor is uniquely characterised by the combination of its par
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Laube, Tomasz, and Janusz Piechna. "Analytical and Numerical Feasibility Analysis of a Contra-Rotary Ramjet Engine." Energies 13, no. 1 (2019): 163. http://dx.doi.org/10.3390/en13010163.

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A new idea for a contra-rotary ramjet engine is presented. To define the theoretical limits of the non-typical, contra-rotary ramjet engine configuration, its analytical model was developed. The results obtained from that model and the analytical results were compared with those received from numerical simulations. The main weakness of existing rotary ramjet engine projects is the very high rotational speed of the rotor required for achieving supersonic inlet flow. In this paper, a new idea for a contra-rotary ramjet engine (CORRE) is presented and analyzed. This paper presents the results of
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Pervushin, Vladimir F. "Classification of rotary cultivation tools of agricultural machines and their motion trajectories." Agricultural Engineering, no. 3 (2023): 57–64. http://dx.doi.org/10.26897/2687-1149-2023-3-57-64.

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The rotary machines and implements used for the cultivation of agricultural crops do not fully meet the agrotechnical requirements. To determine the parameters of the working tools, the authors studied the absolute trajectory of their movement and classified rotary working tools of agricultural machines according to the special location of their rotation axis, dividing them into four groups and seven subgroups: A – the first group of rotors with a horizontal-transverse axis of rotation; B – the second group of rotors with a vertical axis of rotation; C – the third group of rotors with a longit
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Kong, Yong-Boon, J. V. R. Prasad, Lakshmi N. Sankar, and Chengjian He. "Finite State Inflow Flow Model for Coaxial Rotor Configuration." Journal of the American Helicopter Society 65, no. 3 (2020): 1–11. http://dx.doi.org/10.4050/jahs.65.032002.

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An analytical coaxial rotor inflow model has been developed from potential flow theory using the pressure potential superposition approach. The coaxial rotor pressure potential superposition inflow model (PPSIM) is formulated in statespace form with structure similar to the Peters–He model, except that additional off-diagonal blocks are included in the apparent mass (M-matrix) and influence coefficient matrices (L-matrix). These off-diagonal blocks take into account mutual interference effects present in a coaxial rotor system by relating the rotor's inflows due to other rotor's pressure loadi
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Mimmi, G., and P. Pennacchi. "Analytical model of a particular type of positive displacement blower." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 213, no. 5 (1999): 517–26. http://dx.doi.org/10.1243/0954406991522743.

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Many papers exist in the literature that deal with the twin-screw compressor. This usually has two different rotors, a male and a female, and is commonly used to produce compressed gas for industrial uses. However, a different type of positive displacement rotary compressor with two screws is sometimes used, one of its typical applications being in car engine supercharging. The present paper deals with the latter type, which is defined as a two-screw blower. This blower has two identical helical rotors, each with three lobes. The kinematics and the geometry of the rotors are analysed here, and
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Qian, Kun Xi, Z. H. Xu, and H. Wang. "Effects of Rotational Inertia and Bearing Force on Stability of Permanent Maglev Rotator." Applied Mechanics and Materials 150 (January 2012): 50–56. http://dx.doi.org/10.4028/www.scientific.net/amm.150.50.

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The authors’ former works demonstrated that a passive magnetic (PM) rotator supported merely by PM bearings has a minimal speed, above which it can stabilize its equilibrium, under the function of a so-called Gyro-effect. It is unclear, however, by which factors is this minimal speed determined. This paper investigated the factors affecting the minimal stable speed of permanent maglev rotator, namely, the rotating inertia and PMB force. Two novel permanent maglev turbine models were designed: Model A---one stator and three rotors which have the same size but different rotational inertias; Mode
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Dissertations / Theses on the topic "Rotors"

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Guirao, Victor Suman [UNESP]. "Mancais magnéticos ativos para atenuação de vibrações em eixos rotativos." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/94526.

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Made available in DSpace on 2014-06-11T19:27:14Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-08-14Bitstream added on 2014-06-13T18:55:42Z : No. of bitstreams: 1 guirao_vs_me_ilha.pdf: 3586237 bytes, checksum: 945e594528c1e4e71d8ddb43d3bc1001 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Este trabalho trata do controle de vibrações em rotores utilizando mancais magnéticos ativos. Foram apresentadas simulações numéricas para o posicionamento ótimo de um atuador magnético utilizado para
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Sino, Rim. "Comportement dynamique et stabilité des rotors : application aux rotors composites." Lyon, INSA, 2007. http://theses.insa-lyon.fr/publication/2007ISAL0067/these.pdf.

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Ce travail a pour objet l'étude de la stabilité des ensembles tournants lorsque des termes d'amortissement interne (dus aux matériaux) et d'amortissement externe (paliers) sont introduits dans le modèle. La majorité des études identifiées dans la littérature sont fondées sur des développements numériques. La principale difficulté réside dans l'évaluation des paramètres physiques de l'amortissement interne qui permettent une prédiction des instabilités potentielles avec une précision suffisante. Afin de considérer des propriétés mécaniques réelles en terme d'amortissement interne, un modèle rhé
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Sino, Rim Jacquet-Richardet Georges. "Comportement dynamique et stabilité des rotors application aux rotors composites /." Villeurbanne : Doc'INSA, 2007. http://docinsa.insa-lyon.fr/these/pont.php?id=sino.

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Jarroux, Clément. "Nonlinear transient dynamics of on-board rotors supported by Active Magnetic Bearings." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEI069/document.

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De manière générale, les turbomachines sont des machines tournantes permettant la conversion des différents types d’énergie. Ces dernières sont composées d’une partie mécanique en rotation, appelée rotor, interagissant avec un fluide. La rotation a donc un rôle clé pour ces machines et la liaison entre les parties fixes et les parties tournantes, appelée palier, est primordiale pour un fonctionnement fiable et optimal. Les turbomachines supportées par des paliers magnétiques actifs (PMAs) sont de plus en plus utilisées par les industriels notamment grâce à l’absence de contact direct entre par
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Matos, Catherine Anne Moseley. "Download reduction on a wing-rotor configuation." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/12058.

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Rigsby, James Michael. "Stability and control issues associated with lightly loaded rotors autorotating in high advance ratio flight." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26536.

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Thesis (Ph.D)--Aerospace Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: J.V.R. Prasad; Committee Member: Daniel P. Schrage; Committee Member: David A. Peters; Committee Member: Dewey H. Hodges; Committee Member: Lakshmi N Sankar. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Akin, Hakki E. "A computer code for rapid calculation of bending frequencies of rotor blades." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02sep%5FAkin.pdf.

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Thesis (M.S. in Aeronautical Engineering)--Naval Postgraduate School, June 2002.<br>Thesis advisor(s): E. Roberts Wood, Mark A. Couch. Includes bibliographical references (p. 195-196). Also available online.
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Atkinson, G. T. "Wind rotors in yaw." Thesis, University of Cambridge, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384765.

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Xie, Lihan. "Suivi numérique des bifurcations pour l'analyse paramétrique de la dynamique non-linéaire des rotors." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEI018/document.

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Au cœur des moyens de transport, de transformation d'énergie, et de biens d'équipements, les machines tournantes peuvent avoir des comportements dynamiques complexes dus à de multiples sources de non linéarités liées aux paliers hydrodynamiques, à la présence de fissures, aux touches rotor-stator, ... Des phénomènes comme les décalages fréquentiels et donc de vitesses critiques, les cycles d'hystérésis avec sauts d'amplitudes, le changement brutal du contenu fréquentiel des réponses, sont des expressions de ces comportements. Résoudre les équations du mouvement induites par des modélisations a
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Viana, Serra Villa Cristiano. "Dynamique non linéaire des rotors : Applications numériques et expérimentales à un rotor flexible." Ecully, Ecole centrale de Lyon, 2005. http://bibli.ec-lyon.fr/exl-doc/cvilla.pdf.

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Cette thèse s'intéresse au comportement dynamique des machines tournantes comportant des organes tels que des roulements dont le fonctionnement est décrit par des lois non linéaires. Le premier objectif de ces travaux de recherche est de mettre en oeuvre des méthodes d'analyse non linéaire afin de résoudre les équations du mouvement de tels systèmes tournants. Le second objectif consiste à effectuer des études expérimentales sur un rotor flexible et d'effectuer des corrélations avec les modèles numériques associés. La modélisation des parties linéaires du système tournante est faite par la mét
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Books on the topic "Rotors"

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Ralph, Jolly J., Marcolini Michael A, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Division., eds. Helicopter main-rotor noise: Determination of source contributions using scaled model data. National Aeronautics and Space Administration, Scientific and Technical Information Division, 1988.

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Brooks, Thomas F. Helicopter main-rotor noise: Determination of source contributions using scaled model data. National Aeronautics and Space Administration, Scientific and Technical Information Division, 1988.

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Brooks, Thomas F. Helicopter main-rotor noise: Determination of source contributions using scaled model data. National Aeronautics and Space Administration, Scientific and Technical Information Division, 1988.

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Brooks, Thomas F. Helicopter main-rotor noise: Determination of source contributions using scaled model data. Langley Research Center, 1988.

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Bachschmid, Nicolò, Paolo Pennacchi, and Ezio Tanzi. Cracked Rotors. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-01485-7.

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Gilliand, Harry E. Dancing rotors. Aerofax, 1994.

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Wilbur, Matthew L. Development of a rotor-body coupled analysis for an active mount aeroelastic rotor testbed. National Aeronautics and Space Administration, Langley Research Center, 1998.

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Center, Langley Research, ed. Development of a rotor-body coupled analysis for an active mount aeroelastic rotor testbed. National Aeronautics and Space Administration, Langley Research Center, 1998.

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Center, Langley Research, ed. Development of a rotor-body coupled analysis for an active mount aeroelastic rotor testbed. National Aeronautics and Space Administration, Langley Research Center, 1998.

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Center, Langley Research, ed. Development of a rotor-body coupled analysis for an active mount aeroelastic rotor testbed. National Aeronautics and Space Administration, Langley Research Center, 1998.

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Book chapters on the topic "Rotors"

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Bachschmid, Nicolò, Paolo Pennacchi, and Ezio Tanzi. "Cracks in Rotating Shafts." In Cracked Rotors. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-01485-7_1.

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Bachschmid, Nicolò, Paolo Pennacchi, and Ezio Tanzi. "Typical Dynamic Behaviour of Cracked Shafts." In Cracked Rotors. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-01485-7_2.

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Bachschmid, Nicolò, Paolo Pennacchi, and Ezio Tanzi. "Rotor Testing for Crack Detection." In Cracked Rotors. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-01485-7_3.

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Bachschmid, Nicolò, Paolo Pennacchi, and Ezio Tanzi. "Laboratory Tests on Cracked Shafts." In Cracked Rotors. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-01485-7_4.

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Bachschmid, Nicolò, Paolo Pennacchi, and Ezio Tanzi. "Crack Modelling." In Cracked Rotors. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-01485-7_5.

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Bachschmid, Nicolò, Paolo Pennacchi, and Ezio Tanzi. "Results Obtained Using Simulations." In Cracked Rotors. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-01485-7_6.

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Bachschmid, Nicolò, Paolo Pennacchi, and Ezio Tanzi. "Some Special Effects Caused by Cracks." In Cracked Rotors. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-01485-7_7.

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Bachschmid, Nicolò, Paolo Pennacchi, and Ezio Tanzi. "Crack Diagnosis in Rotating Shafts." In Cracked Rotors. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-01485-7_8.

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Klein, Nicolaus, Leon Franken, Markus Heim, Florian Kößler, Benjamin Dönges, and Jürgen Fleischer. "Assessment of Product Carbon Footprint Reduction Potential Using Lightweight Rotor Components for Electric Traction Motors." In Lecture Notes in Mechanical Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-93891-7_11.

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Abstract The mobility sector is currently undergoing one of the most profound transformation processes in its history. With ambitious climate targets on the horizon, there is a pronounced shift towards electric traction drives. However, in comparison to drivetrains with internal combustion engines, electric drivetrains and batteries have a larger carbon footprint during manufacturing. Thus, product innovations become important to reduce the carbon emissions associated with the traction motor. Among these innovations are lightweight components such as rotor shafts, balancing disks, and magnetic
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Dimarogonas, A., and A. Kollias. "Smart Rotors." In Rotordynamics ’92. Springer London, 1992. http://dx.doi.org/10.1007/978-1-4471-1979-1_13.

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Conference papers on the topic "Rotors"

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Kang, Hao, and Bryan Glaz. "Aeroelastic Stability Analysis of Stiff-in-plane Hingeless Rotors." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12752.

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Aeroelastic stability of stiff-in-plane hingeless rotors is investigated using the comprehensive analysis RCAS. Aeroelastic stability analysis of stiff-in-plane rotors in hover is compared to experimental measurements that shows an overall fair to good agreement for various rotor parameters. The analysis reveals that blade lead-lag damping decreases sharply and the blades become aeroelastically unstable when the blades stall. Stiff-in-plane rotor aeroelastic stability analysis in forward flight is compared to a previous numerical study. Then, using the rotor models as a baseline, a parametric
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Smith, Brendan, and Farhan Gandhi. "Quadcopter Noise Variation Due to Relative Rotor Phasing." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1335.

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This study examines the acoustics in hover for manned-size, multi-rotor, eVTOL aircraft in a quadcopter configuration. The rotors on such larger aircraft could have collective pitch control allowing them to operate at a fixed rotational speed. This paper seeks to explore how the relative phasing between the rotors affects the acoustics. Quadcopters with three different rotors are considered: a baseline solidity σ rotor with number of blades N = 2, a 3σ rotor with number of blades N = 2, and a 3σ rotor with number of blades N = 5. The simulations use the Rensselaer Multicopter Analysis Code (RM
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Avera, Michael, Hao Kang, and Rajneesh Singh. "Performance and Controlability Assessment of an Overlapping Quad-Rotor Concept." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11356.

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A numerical study was conducted to characterize the influence on vehicle performance and controlability due to partially overlapped rotors. Partially overlapping rotors on a quad-rotor configuration is as an approach to mitgate the influence of geometric constraints on the vehicle design. A comprehensive analysis model of a pair of 3 bladed overlapped rotors with 0.66D shaft separation was assessed using a free vortex wake and the results were compared to published experimental data. A full quad-rotor vehicle analysis model was constructed to trim the vehicle and characterize the flight perfor
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Ho, Jimmy, Hyeonsoo Yeo, and Mahendra Bhagwat. "Validation of Rotorcraft Comprehensive Analysis Performance Predictions for Coaxial Rotors in Hover." In Vertical Flight Society 71st Annual Forum & Technology Display. The Vertical Flight Society, 2015. http://dx.doi.org/10.4050/f-0071-2015-10107.

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Comparisons of rotor aerodynamic performance parameters in hover, between rotorcraft comprehensive analysis predictions using a free vortex wake model and measured data, for two model–scale and two full–scale coaxial rotors are provided. Predictions from a computational fluid dynamics analysis are also included for one of the full–scale rotors to provide additional insights. Test points evaluated form sweeps in both the coaxial rotor system thrust and the axial separation distance between the two rotors. The comprehensive analysis predictions are mostly in good agreement with measured data, wh
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Reboul, Gabriel, and Andrea Bresciani. "LBM Simulations of Co-axial Rotors." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-29.

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In the context of developing new rotorcrafts dedicated to Advanced Air Mobility, aeroacoustic simulations of co-axial rotor systems have been conducted using the lattice Boltzmann method with the ProLB code. Eight configurations, spanning from co-rotating rotors to contra-rotating shrouded rotors, were analyzed in stationary conditions through comparisons with experimental data and flow field analysis. This investigation validates our numerical methodology, based on direct noise simulation, and enhances our understanding of noise generation and propagation of such propulsive systems. Our simul
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McKay, Michael, Robert Niemiec, and Farhan Gandhi. "An Analysis of Classical and Alternate Hexacopter Configurations with Single Rotor Failure." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12199.

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This study examines the operation of a hexacopter in hover and forward flight conditions with a single rotor failure. A classical configuration, with adjacent rotors spinning in opposite directions, and an alternate configuration are considered. The simulation model used in this study calculates aerodynamic forces (thrust, drag and side force) and moments (pitching and rolling moments, and torque) at the rotor hub using blade element theory coupled with a finite-state dynamic inflow model to capture the rotor induced velocities. Failure of various rotors is considered individually and an under
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Chan, Keen. "Generalized Aerodynamic Optimization of Hovering Coaxial Rotor Blades." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-11992.

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This paper presents the development and application of a generalized approach to the aerodynamic optimization of hovering coaxial rotors. The generalization lifts the constraints of previous theories, and enables dis-similar rotor diameters, dis-similar rotational speeds and thrust-sharing percentage of the upper and lower rotor of a coaxial pair to be incorporated as design variables. This increased versatility was necessitated by the emergence of all-electric VTOL UAVs which feature independently driven rotors, and have unique operational requirements. The optimization methodology begins wit
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Misiorowski, Matthew, Assad Oberai, and Farhan Gandhi. "A Computational Study on Rotor Interactional Effects for a Quadcopter in Edgewise Flight." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0074-2018-12705.

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This study examines the performance of a quadcopter in edgewise flight conditions with flow simulated using the commercial Navier-Stokes solver, AcuSolve, with a Detached Eddy Simulation (DES) model. The rotating volume around each rotor interfaces with the remainder of the computational domain using a sliding mesh. Simulations were conducted for an AeroQuad Cyclone quadcopter at 10 m/s forward speed, 5 deg nose-down pitch attitude, operating in both cross and plus configurations. From the results it was observed that in the cross configuration, the aft (South) rotors showed a 19% reduction in
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Gandhi, Neeraj, Jiawei Xu, David Saldaña, and Linh Thi Xuan Phan. "Rotor Fault Detection and Isolation in Aerial Vehicles with Dozens of Rotors." In 2024 Latin American Robotics Symposium (LARS). IEEE, 2024. https://doi.org/10.1109/lars64411.2024.10786448.

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Marepally, Koushik, James Baeder, Zoren Habana, Jan Goericke, and Ryan Plumley. "Aerodynamic Analysis of Stopped and Stopping Rotors in Lift+Cruise eVTOL Configurations." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-62.

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This study investigates the aerodynamic behavior of lift rotors in a representative lift+cruise electric vertical takeoff and landing (eVTOL) configuration using high-fidelity Computational Fluid Dynamics (CFD) simulations. As lift+cruise concepts gain prominence for Urban Air Mobility (UAM) applications due to their operational simplicity, flight performance, and reduced cruise noise, a detailed understanding of rotor aerodynamics during transition and cruise is critical. CFD analysis was conducted for both slowed rotors at high advance ratios and fully stopped rotors, where traditional predi
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Reports on the topic "Rotors"

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Zheng, Wanzheng, and Jason Merret. Aerodynamic Survey of Novel eVTOL Configuration Using SU2. Illinois Center for Transportation, 2022. http://dx.doi.org/10.36501/0197-9191/22-014.

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This report summarizes computational fluid dynamics (CFD) results of electric vertical takeoff and landing (eVTOL) geometries using the SU2 Reynolds-averaged Navier-Stokes (RANS) solver. Geometries were generated based on the Smart Transportation Infrastructure Initiative (STII) Rappor 15th iteration with various rotor-installment solutions. It was found that although open rotors installed on an underwing pylon were superior to shrouded rotors installed in a canoe, the canoe configuration would provide more potential for improvement, and using a canoe door to cover the first rotor opening woul
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Smith, A. B. Fast neutrons incident on rotors : - tantalum. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/861625.

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Romero, Louis Anthony. Spin stabilized magnetic levitation of horizontal rotors. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/882322.

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Bortolotti, Pietro, Emmanuel Branlard, Anurag Gupta, et al. The Wind Turbine Rotors of the Future: A Research Agenda from the Big Adaptive Rotor Project. Office of Scientific and Technical Information (OSTI), 2024. http://dx.doi.org/10.2172/2356775.

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Maniaci, David Charles, Christopher Lee Kelley, and Phillip Chiu. Assessment of Scaled Rotors for Wind Tunnel Experiments. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1235645.

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Morino, Luigi, Slobodan Sipcic, and Mark Downey. Unsteady Free-Wake Viscous Aerodynamic Analysis of Helicopter Rotors. Defense Technical Information Center, 1989. http://dx.doi.org/10.21236/ada217166.

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Loth, Eric. 50 MW SEGMENTED ULTRALIGHT MORPHING ROTORS FOR WIND ENERGY. Office of Scientific and Technical Information (OSTI), 2024. http://dx.doi.org/10.2172/2375003.

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Hawley. PR-015-11707-R01 Test Diagnostic Methods for Turbine Gas Meters. Pipeline Research Council International, Inc. (PRCI), 2013. http://dx.doi.org/10.55274/r0010671.

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Similar to most metering technologies, turbine meters are known to be affected by abnormal flow or abnormal mechanical conditions which can cause bias in flow measurement. These types of flow conditions include blockage at the flow meter or straightening vanes, grime or liquid contamination on the internal meter components, damage to the internal meter components, and pulsation in the flow. With the introduction of ultrasonic and Coriolis meters for gas applications, the natural gas industry has embraced the concept of meters with embedded diagnostic capabilities. These capabilities allow the
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Cheney, M. C., T. Olsen, G. Quandt, and P. Archidiacono. Analysis and Tests of Pultruded Blades for Wind Turbine Rotors. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/12142.

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Blau, Peter Julian. Prospects for Titanium-Based Materials as Truck Disc Brake Rotors. Office of Scientific and Technical Information (OSTI), 2010. http://dx.doi.org/10.2172/1081592.

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