Gotowe bibliografie tematyczne / OGV (Outlet Guide Vanes)

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Gotowa bibliografia na temat „OGV (Outlet Guide Vanes)”

Autor: Grafiati

Data publikacji: 9 listopada 2024

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "OGV (Outlet Guide Vanes)"

Wadia, A. R., P. N. Szucs, and K. L. Gundy-Burlet. "Design and Testing of Swept and Leaned Outlet Guide Vanes to Reduce Stator–Strut–Splitter Aerodynamic Flow Interactions." Journal of Turbomachinery 121, no. 3 (1999): 416–27. http://dx.doi.org/10.1115/1.2841334.

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Large circumferentially varying pressure levels produced by aerodynamic flow interactions between downstream stators and struts present a potential noise and stability margin liability in a compression component. These interactions are presently controlled by tailoring the camber and/or stagger angles of vanes neighboring the fan frame struts. This paper reports on the design and testing of a unique set of swept and leaned fan outlet guide vanes (OGVs) that do not require this local tailoring even though the OGVs are closely coupled with the fan frame struts and splitter to reduce engine lengt

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Jonsson, Isak, Valery Chernoray, and Radheesh Dhanasegaran. "Infrared Thermography Investigation of Heat Transfer on Outlet Guide Vanes in a Turbine Rear Structure." International Journal of Turbomachinery, Propulsion and Power 5, no. 3 (2020): 23. http://dx.doi.org/10.3390/ijtpp5030023.

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Aerothermal heat transfer measurements in fluid dynamics have a relatively high acceptance of uncertainty due to the intricate nature of the experiments. The large velocity and pressure gradients present in turbomachinery application add further complexity to the measurement procedure. Recent method and manufacturing development has addressed some of the primary sources of uncertainty in these heat transfer measurements. However, new methods have so far not been applied in a holistic approach for heat transfer studies. This gap is bridged in the present study where a cost-effective and highly

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Mårtensson, Hans. "Harmonic Forcing from Distortion in a Boundary Layer Ingesting Fan." Aerospace 8, no. 3 (2021): 58. http://dx.doi.org/10.3390/aerospace8030058.

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Integrating a fan with a boundary layer ingestion (BLI) configuration into an aircraft fuselage can improve propulsion efficiency by utilizing the lower momentum airflow in the boundary layer developed due to the surface drag of the fuselage. As a consequence, velocity and total pressure variations distort the flow field entering the fan in both the circumferential and radial directions. Such variations can negatively affect fan aerodynamics and give rise to vibration issues. A fan configuration to benefit from BLI needs to allow for distortion without large penalties. Full annulus unsteady co

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Barker, A. G., and J. F. Carrotte. "Compressor Exit Conditions and Their Impact on Flame Tube Injector Flows." Journal of Engineering for Gas Turbines and Power 124, no. 1 (1999): 10–19. http://dx.doi.org/10.1115/1.1383773.

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Within a gas turbine engine the flow field issuing from the compression system is nonuniform containing, for example, circumferential and radial variations in the flow field due to wakes from the upstream compressor outlet guide vanes (OGVs). In addition, variations can arise due to the presence of radial load bearing struts within the pre-diffuser. This paper is concerned with the characterization of this nonuniform flow field, prior to the combustion system, and the subsequent effect on the flame tube fuel injector flows and hence combustion processes. A mainly experimental investigation has

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Luo, Lei, Chenglong Wang, Lei Wang, Bengt Sundén, and Songtao Wang. "Endwall heat transfer and aerodynamic performance of bowed outlet guide vanes (OGVs) with on- and off-design conditions." Numerical Heat Transfer, Part A: Applications 69, no. 4 (2015): 352–68. http://dx.doi.org/10.1080/10407782.2015.1081021.

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Chikere, Aja O., Hussain H. Al-Kayiem, and Zainal Ambri A. Karim. "Thermal Diffusion Performance of a Diffuser by various Guide Vanes configurations." MATEC Web of Conferences 225 (2018): 03018. http://dx.doi.org/10.1051/matecconf/201822503018.

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The use of vane-less diffuser with large diffusion angle has shown a setback in the diffusion process of high temperature working fluids. The hot gas flow was characterized as a jet-like flow. This paper presents problem, encountered practically, using a vane-less diffuser with large diffusion angle and how the problem is solved by CFD simulation. The investigated thermal diffuser has a length of 0.3 m, an inlet to outlet crosssectional area ratio of 1:25 and diffusion angle of 115.44o. To resolve the jet-like flow problem and poor distribution of the flow temperature at the diffuser outlet, t

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Carrotte, J. F., K. F. Young, and S. J. Stevens. "Measurements of the Flow Field Within a Compressor Outlet Guide Vane Passage." Journal of Turbomachinery 117, no. 1 (1995): 29–37. http://dx.doi.org/10.1115/1.2835641.

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A series of tests have been carried out to investigate the flow in a Compressor Outlet Guide Vane (OGV) blade row downstream of a single-stage rotor. The subsequent flow field that developed within an OGV passage was measured, at intervals of 10 percent axial chord, using a novel design of miniature five-hole pressure probe. In addition to indicating overall pressure levels and the growth of regions containing low-energy fluid, secondary flow features were identified from calculated axial vorticity contours and flow vectors. Close to each casing the development of classical secondary flow was

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Zhu, Honggeng, and Rentian Zhang. "Numerical Simulation of Internal Flow and Performance Prediction of Tubular Pump with Adjustable Guide Vanes." Advances in Mechanical Engineering 6 (January 1, 2014): 171504. http://dx.doi.org/10.1155/2014/171504.

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Aiming at the performance defect of tubular pump with fixed guide vanes, a design scheme of tubular pump with adjustable guide vanes is proposed, so that the inlet setting angle of guide vanes can be flexibly adjusted to coordinate with the operation conditions of pump, to ensure the inlet setting angle of guide vanes changing with the outlet flow angle of the impeller. The three-dimensional time-averaged incompressible Navier-Stokes equations are adopted to numerically simulate the internal flow field of a tubular pump with fixed and adjustable guide vanes, respectively. Computed results indi

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Han, Fenghui, Zhe Wang, Yijun Mao, Jiajian Tan, and Wenhua Li. "Experimental and numerical studies on the influence of inlet guide vanes of centrifugal compressor on the flow field characteristics of inlet chamber." Advances in Mechanical Engineering 12, no. 11 (2020): 168781402097490. http://dx.doi.org/10.1177/1687814020974909.

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Inlet chambers (IC) are the typical upstream component of centrifugal compressors, and inlet guide vanes in the IC have a great impact on its internal flow and aerodynamic loss, which will significantly influence the performance of the downstream compressor stages. In this paper, an experimental study was carried out on the flow characteristics inside a radial IC of an industrial centrifugal compressor, including five testing sections and 968 measuring points for two schemes with and without guide vanes. Detailed distributions of flow parameters on each section were obtained as well as the ove

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Zhang, Huiyan, Fan Meng, Lei Cao, Yanjun Li, and Xinkun Wang. "The Influence of a Pumping Chamber on Hydraulic Losses in a Mixed-Flow Pump." Processes 10, no. 2 (2022): 407. http://dx.doi.org/10.3390/pr10020407.

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In this study, entropy generation theory based on computational fluid dynamics (CFD) is used to study the influence of a pumping chamber type (guide vane and volute scheme) on the spatial distribution of hydraulic loss in a mixed-flow pump. The CFD data of the mixed-flow pump with a volute is validated by external characteristic test data under Q = 561.4–1598.6 m3/h. The results show that the efficiency and the head of the guide vanes scheme are lower under Q = 800–1200 m3/h, which resulted from a higher total entropy production (TEP) in the pumping chamber and outlet pipe. The high total entr

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Rozprawy doktorskie na temat "OGV (Outlet Guide Vanes)"

Young, Kim F. "The performance of compressor outlet guide vanes and downstream diffuser." Thesis, Loughborough University, 1988. https://dspace.lboro.ac.uk/2134/13622.

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A large-scale compressor/diffuser test rig has been designed and constructed which,. together with an automated data acquisition system, permits more detailed and more accurate measurements than were previously possible - especially in the region of the compressor OGV's. Results are presented based on experiments carried out using two different single-stage axial-flow compressors operating immediately upstream of a straight-core annular diffuser, each compressor being tested with a conventional stator row and a double-dihedral chevron type of stator row i.e. four main configurations were inves

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Ezzine, Mouhamed Mounibe. "Etude de dispositifs passifs et actifs de réduction du bruit d’interaction soufflante–redresseur." Electronic Thesis or Diss., Ecully, Ecole centrale de Lyon, 2024. http://www.theses.fr/2024ECDL0022.

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Deux approches de diminution du bruit d'origine aéroacoustique associé à l'OGV des moteurs d'avion ont été examinées dans cette thèse. La première repose sur des solutions passives, utilisant des matériaux comme de la mousse poreuse et du tissu métallique (wire mesh) pour atténuer le bruit. L'efficacité de ces matériaux a été testée dans diverses configurations, montrant une capacité de réduction du bruit jusqu'à 6 dB sous certaines conditions, bien que cette efficacité puisse être affectée par des facteurs comme la vitesse de l'écoulement. La seconde partie de l'étude s'est intéressée aux tec

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Części książek na temat "OGV (Outlet Guide Vanes)"

Yang, Wenyu, Weiping Shao, Jinlai Deng, and Chenzhou Xu. "Aerodynamic Impact of Guide Vanes on a Two-Stage Counter-Rotating Lift Fan." In Advances in Transdisciplinary Engineering. IOS Press, 2025. https://doi.org/10.3233/atde250038.

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The lift fan is a critical component in vertical short takeoff and landing (VSTOL) fighters, enhancing thrust and offering significant applications in aerospace. To streamline airflow and optimize flow field distribution, guide vanes are often incorporated into lift fans to improve efficiency. However, studies on the aerodynamic impact of inlet and outlet guide vanes remain limited. This research examines the effects of inlet guide vane number and deflection angle, as well as the influence of outlet guide vanes on flow characteristics, using a two-stage counter-rotating lift fan as the subject

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Chen, Zhenyu, Chenhao Li, Yang Hu, Jiahua Liu, and Guojun Zhu. "Effect of Different High Pressure Edge Shape in Runner on Hump Characteristics of Pump Turbine." In Advances in Transdisciplinary Engineering. IOS Press, 2024. https://doi.org/10.3233/atde241167.

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To investigate the impact of different high-pressure edge shapes on the external and hump flow characteristics of a pump-turbine during pump operation, we selected the SST k – ω turbulence model to analyze the internal flow field of three designs (concave, oblique, and convex) under varying operating conditions. The results indicate that, under conditions of low flow rate (0.63QBEP–0.69QBEP), the convex scheme has better head and efficiency, thereby effectively enhancing the safety margin of the hump. In the low-flow hump condition, flow separation occurs at the runner inlet near the shroud, b

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Streszczenia konferencji na temat "OGV (Outlet Guide Vanes)"

Parry, A. B. "Optimisation of Bypass Fan Outlet Guide Vanes." In ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-gt-433.

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In this paper we describe an approach for combined intake-fan-OGV-pylon interactions that can be used to optimise the OGV design. The mean flow through the fan and OGVs, which is taken to be locally two-dimensional, is prescribed for a datum configuration, and the intake distortion and pylon potential field are fed in, from upstream and downstream respectively, as small incident perturbations to a coupled fan-OGV actuator disk system. In order to optimise the OGVs we suppose that the vanes are recambered in blocks, using only a limited number of vane types. The extent of each block, and the de

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Merson, Jacob, and Sina Stapelfeldt. "Aerodynamic Forcing Analysis of Aerodynamically Mistuned Outlet Guide Vane Assemblies." In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-101253.

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Abstract The next generation of aero engines feature a more compact design with a shorter distance between the fan rotor and bypass outlet guide vane (OGV) assembly. As such, potential forced response due to rotor-stator interactions has become a more significant concern with regards to high cycle fatigue and component lifespan. It has been shown that deploying a non-axisymmetric OGV configuration is able to reduce the first engine order (1EO) forcing on the fan’s blades. This paper explores the effects that a non-axisymmetric OGV configuration has on the aerodynamic forcing on the vanes thems

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Vikhorev, Valentin, Valery Chernoray, Oskar Thulin, Srikanth Deshpande, and Jonas Larsson. "Detailed Experimental Study of the Flow in a Turbine Rear Structure at Engine Realistic Flow Conditions." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-15734.

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Abstract A good aerodynamic design of the turbine rear structure (TRS) is crucial for improving efficiency and reducing emissions from aero-engines. This paper presents a detailed experimental evaluation of an engine realistic TRS which was studied in an engine-realistic rig at Chalmers University of Technology, Sweden. The TRS test section was equipped with three types of outlet guide vanes (OGVs) which are typical of modern state-of-the-art TRS: regular vanes, thickened vanes and vanes with an engine mount recess (a shroud bump). Each of the three vane geometries were studied under on-design

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Kulkarni, Davendu Y., and Luca di Mare. "Development of Translucent Design Philosophy for the Cyclic Pattern Design of Fan Outlet Guide Vanes." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-82636.

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Abstract The fan systems of typical high bypass civil engines encounter strong flow distortions originating in the intake and in the bypass ducts and its bifurcations. These flow distortions cause the fan stage operation point to vary from its design intent, thus reducing the fan stage performance and increasing low engine-order fan blade forcing. A cyclic pattern design for the fan Outlet Guide Vanes (OGV) can be effectively used to recover the fan stage performance and to control its system-level aeromechanical behaviour. This paper presents the development of a OGV pattern design philosophy

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Wadia, A. R., P. N. Szucs, and K. L. Gundy-Burlet. "Design and Testing of Swept and Leaned Outlet Guide Vanes to Reduce Stator-Strut-Splitter Aerodynamic Flow Interactions." In ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-070.

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Large circumferential varying pressure levels produced by aerodynamic flow interactions between downstream stators and struts present a potential noise and stability margin liability in a compression component. These interactions are presently controlled by tailoring the camber and/or stagger angles of vanes neighboring the fan frame struts. This paper reports on the design and testing of a unique set of swept and leaned fan outlet guide vanes (OGVs) that do not require this local tailoring even though the OGVs are closely coupled with the fan frame struts and splitter to reduce engine length.

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Yang, Ping, Weiliang Xie, Feng Xu, and Jinzhang Feng. "Influence of Non-Uniform OGV on High Pressure Compressor Performance." In ASME Turbo Expo 2013: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/gt2013-95234.

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Generally, the outlet guide vanes (OGV) of a high pressure compressor (HPC) have a single vane profile and are placed uniformly circumferentially. However, in some situations, portions of the OGV are thickened to be accommodated to some special requirements which may result in negative influences on the HPC performance. This paper describes the design of a non-uniform OGV row of a multi-stage HPC. The OGV is periodically composed of one thick vane and two thin vanes. A series of vanes are selected by changing vane geometry parameters including vane stagger and camber, location of maximum thick

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Harris, Jonah R., Bharat Lad, and Sina Stapelfeldt. "Investigating the Causes of Outlet Guide Vane Buffeting." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-16063.

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Abstract In the more aggressive architectures of future high-bypass aero engines, outlet guide vanes (OGVs) will be deployed even closer to the fan. Under certain circumstances this can lead to OGV buffeting. Buffeting is an aeroelastic instability, characterized as the structural response to aerodynamic excitations caused by self-sustaining flow instabilities. Buffeting of OGVs can cause structural fatigue within the low pressure system. This study aims to identify indications of buffet on an engine’s operating map, before assessing how the flow field interacts with the relevant vibrational m

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Hja¨rne, Johan, Jonas Larsson, and Lennart Lo¨fdahl. "Performance and Off-Design Characteristics for Low Pressure Turbine Outlet Guide Vanes: Measurements and Calculations." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-90550.

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This paper presents 2D and 3D-numerical simulations compared with experimental data from a linear Low Pressure Turbine/Outlet Guide Vane (LPT/OGV) cascade at Chalmers in Sweden. Various performance characteristics for both on and off design cases were investigated, including; pressure distributions, total pressure losses and turning. The numerical simulations were performed with the goal to validate simulation methods and create best-practice guidelines for how to accurately and reliably predict performance and off-design characteristics for an LPT/OGV. The numerical part of the paper presents

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Wang, Chenglong, Lei Wang, Bengt Sundén, Valery Chernoray, and Hans Abrahamsson. "An Experimental Study of Heat Transfer on an Outlet Guide Vane." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25100.

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In the present study, the heat transfer characteristics on the suction and pressure sides of an outlet guide vane (OGV) are investigated by using liquid crystal thermography (LCT) method in a linear cascade. Because the OGV has a complex curved surface, it is necessary to calibrate the LCT by taking into account the effect of viewing angles of the camera. Based on the calibration results, heat transfer measurements of the OGV were conducted. Both on- and off-design conditions were tested, where the incidence angles of the OGV were 25 degrees and −25 degrees, respectively. The Reynolds numbers,

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Shrinivas, G. N., and M. B. Giles. "OGV Tailoring to Alleviate Pylon-OGV-Fan Interaction." In ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/95-gt-198.

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This paper studies the application of sensitivity analysis to the redesign of outlet guide vanes (OGV’s) in a commercial gas turbine engine. The redesign is necessitated by the interaction of the pylon induced static pressure field with the OGV’s and the fan, leading to reduced OGV efficiency and shortened fan life. The concept of cyclically varying camber is used to redesign the OGV row to achieve suppression of the downstream disturbance in the domain upstream of the OGV row. The harmonic nature of the disturbance and the tailoring permits the analysis for the redesign to be performed on onl

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