Relevant bibliographies by topics / Rotor-Dynamic Test Rig

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

Academic literature on the topic 'Rotor-Dynamic Test Rig'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 September 2023

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Journal articles on the topic "Rotor-Dynamic Test Rig"

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Zou, M., J. Dayan, and I. Green. "Dynamic simulation and monitoring of a non-contacting flexibly mounted rotor mechanical face seal." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 214, no. 9 (2000): 1195–206. http://dx.doi.org/10.1243/0954406001523632.

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Mechanical face seal rotor dynamics is investigated through both simulation and real-time monitoring of a non-contacting flexibly mounted rotor (FMR) mechanical face seal in a seal test rig. Dynamic simulation is performed to investigate the seal rotor angular response to the stator misalignment, the stator angle, the initial rotor misalignment and clearance. Rotor angular response orbit is introduced and is able to characterize the rotor dynamic response. A real-time monitoring system is constructed in the test rig to monitor the instantaneous dynamic behaviour of the seal rotor, including it
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Song, Huiying, Shaohui Wang, and Kai Sun. "Rotordynamic Characteristics Analysis for an aero-engine Low Pressure Rotor Rig Test Model." MATEC Web of Conferences 179 (2018): 03012. http://dx.doi.org/10.1051/matecconf/201817903012.

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3D whole engine finite element model of a low pressure rotor rig test model is established in this paper. Rotorynamic characteristics are mainly analysed with three models, which include rotor model with static stiffness, rotor model with dynamic stiffness, and whole engine model. The calculation results were compared and discussed deeply. Rotordynamic characteristics of rotor model with static stiffness are similar with the rotor model with dynamic stiffness, but the latter may have additional resonance peaks caused by dynamic stiffness. Whole engine model, which can capture the modes of casi
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Li, Qiang, Shuo Zhang, Yujun Wang, Weiwei Xu, and Zhenbo Wang. "A dynamic response test rig of a full-scale rotor–journal bearing system." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 233, no. 4 (2018): 649–59. http://dx.doi.org/10.1177/1350650118817183.

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A design strategy of a test rig for the dynamic behavior of a rotor supported by two full-scale journal bearings was proposed. A special part, called “intermediate”, was set up to allow the convenient changing of the bearing structure. An electromagnetic exciter was used to obtain the natural frequency, and software running on the Microsoft Visual C++6.0 operating platform was programmed for signal acquisition and analysis. Then, the test rig was constructed. The field dynamic balance and natural frequency testing were carried out. The journal orbits and frequency spectrums were used to measur
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Feng, Zhiguo, Qiang Ding, Yinhui Cai, and Weipeng Sun. "Experimental Investigation of the Dynamic Response of a Sliding Bearing System under Different Oil Pressure Levels." Applied Sciences 12, no. 19 (2022): 9759. http://dx.doi.org/10.3390/app12199759.

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A sliding bearing system performs a critical function in a rotating machinery system and provides support for the rotating components. In this paper, a single-rotor experimental rig and a dual-rotor sliding bearing experimental rig were independently established, and the dynamic response of the test systems are investigated. To study the effect of oil pressure levels on the dynamic response of the test systems under the single-rotor system and the dual-rotor system, the vibration response of single-rotor and dual-rotor systems ware analyzed by different oil inlet pressures to study the effect
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Lee, An Sung, and Itzhak Green. "Higher Harmonic Oscillations in a Noncontacting FMR Mechanical Face Seal Test Rig." Journal of Vibration and Acoustics 116, no. 2 (1994): 161–67. http://dx.doi.org/10.1115/1.2930407.

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In order to investigate experimentally the dynamic behavior of a noncontacting flexibly mounted rotor (FMR) mechanical face seal a test rig was designed and built. Test results showed that the FMR seal was vulnerable to higher harmonic oscillations with frequencies that are integer multiples of the shaft speed. Because system nonlinearities can cause higher harmonic oscillations, the dynamic moments acting on the rotor are derived to include the effects of imbalance and axial offset of the rotor. The analysis reveals that the nonlinear terms involved are of second order and generally can be ne
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Niccolini Marmont Du Haut Champ, Carlo Alberto, Fabrizio Stefani, and Paolo Silvestri. "Development of a new test rig for the analysis of hydrodynamic bearings for rotors of microGT." E3S Web of Conferences 113 (2019): 03002. http://dx.doi.org/10.1051/e3sconf/201911303002.

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The aim of the present work is to design a test rig suited to investigate the dynamic interaction between rotor and hydrodynamic journal bearings in micro gas turbines (microGT), i.e. with reference to small bearings (diameter in the order of ten millimeters). Particularly, the device is capable of measuring the journal location. Therefore, the journal motion due to rotor vibrations can be displayed, in order to assess performance as well as stiffness and damping of the bearings. The new test rig is based on Bently Nevada Rotor Kit (RK), but substantial modifications are carried out. Indeed, t
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Pu, Songcheng, Yumin He, Qijiang Yang, et al. "Study on dynamic characteristics of rotor-bearing system under pitching condition." Journal of Physics: Conference Series 2113, no. 1 (2021): 012021. http://dx.doi.org/10.1088/1742-6596/2113/1/012021.

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Abstract In many cases, ships will encounter special conditions, such as bad sea conditions, and the effect of various disturbance factors, such as wind and waves, will cause low-frequency longitudinal and transverse rocking motion of ships. This would affect the rotor-bearing system of the power plant, which is directly attached to the hull of the ship, and would roll along with the hull in the same longitudinal and transverse motion. This will have a significant impact on the stability of the rotor bearing system of the ship power plant and the safety of the ship. In this paper, a rotor-bear
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San Andre´s, L., and D. Lubell. "Imbalance Response of a Test Rotor Supported on Squeeze Film Dampers." Journal of Engineering for Gas Turbines and Power 120, no. 2 (1998): 397–404. http://dx.doi.org/10.1115/1.2818136.

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Squeeze film dampers (SFDs) provide vibration attenuation and structural isolation to aircraft gas turbine engines which must be able to tolerate larger imbalances while operating above one or more critical speeds. Rotor-bearing-SFD systems are regarded in theory as highly nonlinear, showing jump phenomena and even chaotic behavior for sufficiently large levels of rotor imbalance. Yet, few experimental results of practical value have verified the analytical predictions. A test rig for measurement of the dynamic forced response of a three-disk rotor (45 kg) supported on two cylindrical SFDs is
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Lee, S. U., D. Robb, and C. Besant. "Vibration analysis of a test rig for a radial compressor." Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics 215, no. 1 (2001): 21–29. http://dx.doi.org/10.1243/1464419011544312.

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A radial compressor has been designed at Imperial College for cooling a high-speed generator (HSG) coupled directly to a small gas turbine engine to produce 100kW electric power. The compressor has a significant influence on the overall dynamics of the generator. Therefore, it is designed to be lightweight for rotor-dynamic reasons together with reasonable aerodynamic efficiency. An experimental rig for the compressor performance testing was also designed. In order to operate this rig safely, it is very important to be able to predict and analyse its dynamic behaviour. For this purpose, a syst
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Wagner, N. G. "Reliable Rotor Dynamic Design of High-Pressure Compressors Based on Test Rig Data1." Journal of Engineering for Gas Turbines and Power 123, no. 4 (2000): 849–56. http://dx.doi.org/10.1115/1.1373396.

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The overall design of high-pressure centrifugal compressors is largely influenced by rotordynamic aspects. Rotor instability may restrict operating speed and/or maximum discharge pressure if the destabilizing effects have not been considered accurately during the design phase. A test rig for high pressures has been designed and operated successfully in order to achieve dynamic labyrinth seal coefficients through simulation of original conditions in every aspect. Details are given of the full-scale test rig, which uses active magnetic bearings as a key feature, as well as results from the compr
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Dissertations / Theses on the topic "Rotor-Dynamic Test Rig"

1

Subramanya, S. "Prediction of Physical Behavior of Rotating Blades under Tip-Rub Impact using Numerical Modeling." Thesis, 2013. http://etd.iisc.ac.in/handle/2005/3083.

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Rotating blades, which are the most critical components of any turbo-machinery, need to be designed to withstand forced vibrations due to accidental tip rub impact against inner surface of casing. These vibrations are typically dependent on operating conditions and geometric parameters. In the current study, a rotor test rig with a maximum tip speed capability of 144 km/hr has been developed for studying the dynamic behavior of representative jet engine compressor blades actuated by the closure of clearance between the tip of a given rotating blade and a sector of the inner lining of the casin
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Subramanya, S. "Prediction of Physical Behavior of Rotating Blades under Tip-Rub Impact using Numerical Modeling." Thesis, 2013. http://hdl.handle.net/2005/3083.

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Rotating blades, which are the most critical components of any turbo-machinery, need to be designed to withstand forced vibrations due to accidental tip rub impact against inner surface of casing. These vibrations are typically dependent on operating conditions and geometric parameters. In the current study, a rotor test rig with a maximum tip speed capability of 144 km/hr has been developed for studying the dynamic behavior of representative jet engine compressor blades actuated by the closure of clearance between the tip of a given rotating blade and a sector of the inner lining of the casin
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Books on the topic "Rotor-Dynamic Test Rig"

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Dynamics of the McDonnell Douglas large scale dynamic rig and dynamic calibration of the rotor balance. National Aeronautics and Space Administration, Ames Research Center, 1994.

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Book chapters on the topic "Rotor-Dynamic Test Rig"

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Vinod Kumar, Nanjundaiah, Rajeevalochanam Prathapanayaka, Revanna Jai Maruthi, and Shashidhar Swaroop. "3D Finite Element Rotor Dynamic Analysis of Turbine Test Rig Rotor-Shaft Systems." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5701-9_2.

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El-Shafei, A., A. S. Dimitri, T. Saqr, and M. El-Hakim. "Test Rig Characterization and Dynamic Testing of a Smart Electro-Magnetic Actuator Journal Integrated Bearing." In Proceedings of the 9th IFToMM International Conference on Rotor Dynamics. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-06590-8_94.

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Liebich, R., P. Kalinowski, and O. van Bargen. "A full size rotor dynamic test rig for whole engine mechanics of aero engines." In 10th International Conference on Vibrations in Rotating Machinery. Elsevier, 2012. http://dx.doi.org/10.1533/9780857094537.2.47.

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Conference papers on the topic "Rotor-Dynamic Test Rig"

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Wagner, Norbert G. "Reliable Rotor Dynamic Design of High-Pressure Compressors Based on Test Rig Data." In ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/99-gt-150.

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The overall design of high-pressure centrifugal compressors is largely influenced by rotordynamic aspects. Rotor instability may restrict operating speed and/or maximum discharge pressure if the destabilizing effects have not been considered accurately during the design phase. A test rig for high pressures has been designed and operated successfully in order to achieve dynamic labyrinth seal coefficients through simulation of original conditions in every aspect. Details are given of the full-scale test rig, which uses active magnetic bearings as a key feature, as well as results from the compr
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2

Zhang, Di, Yonghui Xie, and Zhenping Feng. "An Investigation on Dynamic Characteristics of a High Speed Rotor With Complex Structure for Microturbine Test Rig." In ASME Turbo Expo 2008: Power for Land, Sea, and Air. ASMEDC, 2008. http://dx.doi.org/10.1115/gt2008-50411.

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During the research and development of 100kW class microturbine, a test rig with complex structure rotor for turbine impeller was constructed. Due to the limitation of test rig, the test rotor has to adopt cantilever configuration, which consists of shaft, connect disk with cool air holes, turbine impeller, and tie bar that joints the previous three components together. Because the rotor has a high rotational speed of 30000rpm, the ceramic rolling bearing is adopted for the test rig. In order to understand the dynamic characteristics of the rotor, a numerical model for temperature field has be
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Ashtekar, Ankur, Farshid Sadeghi, Garry Powers, Kevin Mantel, and Robert Griffith. "Experimental Investigation of Turbocharger Rotor Bearing System." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-45999.

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The objectives of this investigation were to design and construct a high speed turbocharger test rig to measure dynamics response of angular contact ball bearing rotor system, and to evaluate the performance of angular contact ball bearings as a replacement to conventional journal bearings in turbocharger systems. A test rig was designed and developed to operate at speeds up to 70,000 rpm. The rotating components (i.e. turbine wheels) of the turbocharger test rig were made to be dynamically similar to an actual turbocharger. Proximity sensors were used to record the turbine wheel displacements
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Li, Jiming, Frank Kushner, and Pranabesh De Choudhury. "Experimental Evaluation of Slotted Pocket Gas Damper Seals on a Rotating Test Rig." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30634.

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A slotted pocket gas damper seal has been experimentally evaluated on a flexible rotor test rig for rotor vibration reduction properties. For unbalance response tests, the experiments were conducted at several seal inlet pressures out to 14.5 bar (210 psia), and the rotor speed ranged up to 8,000 rpm, which was well above the damped first critical speed of the flexible rotor. The influence of gas pre-swirl and seal eccentricity on the seal dynamic performance was investigated in the tests. Experimental results showed that the slotted pocket damper seal provided high positive damping and small
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Messenger, Andrew, Richard Williams, Grant Ingram, et al. "Demonstration of a Dynamic Clearance Seal in a Rotating Test Facility." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-64285.

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The successful demonstration of the “Aerostatic Seal” in a half scale rotating facility is described in this paper. The Aerostatic seal is a novel dynamic clearance seal specifically designed for steam turbine secondary gas path applications. The seal responds to radial rotor excursions, so a reduced clearance can be maintained compared to conventional labyrinth seal without damage to the seal. This enables increased turbine performance through reduced leakage and increased tolerance of turbine transient events typically found during start up. The seal is an extension of the existing retractab
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Stephens, Lyndon S. "Dynamic Modeling and Validation of a Lorentz, Self Bearing Motor Test Rig." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0567.

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A new type of self bearing motor that uses Lorentz type forces to generate both bearing force and motoring torque has been developed. The motor stator is of slotless construction with four, three phase windings. The motor rotor is constructed of 16 surface mounted permanent magnets (PM’s). The main advantage of the design is that it eliminates the tradeoff between motoring torque and bearing force with PM thickness as found in previous designs. This paper presents the dynamic model for the self bearing motor and illustrates how the model is integrated into the overall system model of the motor
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Swanson, Erik E., James F. Walton, and Hooshang Heshmat. "A Test Stand for Dynamic Characterization of Oil-Free Bearings for Modern Gas Turbine Engines." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30005.

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A multi-purpose rotor-bearing dynamic simulator was designed and fabricated for the purpose of experimentally evaluating and validating performance of advanced oil-free and back-up bearings under realistic dynamic conditions. The rotor-bearing dynamic test rig is capable of operation to 25,000 RPM, has a 54 kg test rotor, is designed to simulate a medium size aero gas turbine engine rotor, and incorporates an electromagnetic loader/shaker capable of applying both static and dynamic loads to the rotating shaft. Testing was completed with the rotor fully supported by magnetic bearings, compliant
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8

San Andre´s, Luis, and Keun Ryu. "Dynamic Forced Response of a Rotor-Hybrid Gas Bearing System Due to Intermittent Shocks." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59199.

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Gas bearings in microturbomachinery (MTM) offer significant system level benefits, such as improved fuel efficiency, reduction in weight and number of components, extending life cycle and maintenance intervals, and reducing NOX emissions with a lower CO2 footprint. Emerging opportunities for gas bearings applications range from automotive turbochargers to engines for business jet aircraft, for example. Gas bearings, because of the inherently low gas viscosity, have low damping relative to oil-lubricated bearings and are prone to wear during rotor start-up and shut down procedures. The lack of
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9

Cho, Benjamin, Dexter Johnson, Andrew Provenza, Carlos Morrison, and Gerald Montague. "Control Study for Five-Axis Dynamic Spin Rig Using Magnetic Bearings." In ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/gt2003-38912.

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The NASA Glenn Research Center (GRC) has developed a magnetic bearing system for the Dynamic Spin Rig (DSR) with a fully suspended shaft that is used to perform vibration tests of turbomachinery blades and components under spinning conditions in a vacuum. Two heteroplolar radial magnetic bearings and a thrust magnetic bearing and the associated control system were integrated into the DSR to provide magnetic excitation as well as non-contact magnetic suspension of a 15.88 kg (35 lb) vertical rotor with blades to induce turbomachinery blade vibration. For rotor levitation, a proportional-integra
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10

San Andrés, Luis, and Daniel Lubell. "Imbalance Response of a Test Rotor Supported on Squeeze Film Dampers." In ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/97-gt-012.

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Abstract:
Squeeze film dampers (SFDs) provide vibration attenuation and structural isolation to aircraft gas turbine engines which must be able to tolerate larger imbalances while operating above one or more critical speeds. Rotor-bearing-SFD systems are regarded in theory as highly nonlinear, showing jump-phenomena and even chaotic behavior for sufficiently large levels of rotor imbalance. Yet, few experimental results of practical value have verified the analytical predictions. A test rig for measurement of the dynamic forced response of a three-disk rotor (45 kg) supported on two cylindrical SFDs is
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