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  • Study on an innovative three-dimensional wind turbine

    2018-9-15u2002·u2002An original analytical three-dimensional wind turbine wake model is presented. The expression of wake model is simple and its computational cost is low. The accuracy of wake model is validated by the wind tunnel measured data. The wake model has a good accuracy beyond the 5D downwind of distance.

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  • A Three-Dimensional Turbine Engine Analysis Compressor ...

    2014-12-24u2002·u2002Hale, A, & O'Brien, W. 'A Three-Dimensional Turbine Engine Analysis Compressor Code (TEACC) for Steady-State Inlet Distortion.' Proceedings of the ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition.

    Get Price
  • The design of three-dimensional turbine blades combined ...

    2008-2-26u2002·u2002The design of three-dimensional turbine blades combined with profiled endwalls D A Bagshaw, G L Ingram, D G Gregory-Smith, M R Stokes, and N W Harvey Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 2008 222 : 1, 93-102

    Get Price
  • Three-dimensional optimal design of a cooled turbine ...

    Cooling technology is widely applied in modern turbines to protect the turbine blades, and extracting high-pressure cooling air from a compressor exerts a remarkable influence on the gas-turbine performance. However, the three-dimensional optimal design of a turbine in modern industrial practice is usually carried out by pursuing high component efficiency without considering possible changes ...

    Get Price
  • (PDF) Theoretical modelling of the three-dimensional wake ...

    a new super-Gaussian and Gaussian w ake models for vertical axis turbines (VATs) capable of capturing the. three-dimensional shape and maximum velocity deficit of their wake, notabl y improving ...

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  • TWO- AND THREE-DIMENSIONAL TURBINE BLADE

    2020-3-20u2002·u2002TWO- AND THREE-DIMENSIONAL TURBINE BLADE ROW FLOW FIELD SIMULATIONS* R.C. Buggeln, W.R. Briley, H. McDonald S.J. Shamroth, and B.C. Weinberg Scientific Research Associates, Inc. Glastonbury, Connecticut A major problem area associated with the swcessfu L design and operat ion of modern gas turbine engines

    Get Price
  • Three-Dimensional Boundary Layer in a Turbine Blade ...

    2017-1-20u2002·u2002The boundary layer on the end wall of a turbine blade cascade is subject to cross-stream pressure gradients in the blade passage, which generate a cross-stream velocity component to make it three dimensional. This distorts the turbulence relative to a two-dimensional boundary layer and impacts the end wall heat transfer.

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  • Nonaxisymmetric Turbine End Wall Design: Part I— Three ...

    1999-2-1u2002·u2002A linear design system, already in use for the forward and inverse design of three-dimensional turbine aerofoils, has been extended for the design of their end walls. This paper shows how this method has been applied to the design of a nonaxisymmetric end wall for a turbine rotor blade in linear cascade.

    Get Price
  • Three Dimensional Flow in Radial-Inflow Turbines

    2015-3-23u2002·u2002The flow through an impeller of a low speed radial-inflow turbine has been analysed using a fully three-dimensional viscous program and good correlations with instantaneous measurements of casing static pressure and exit flow distribution have been obtained. The flow at the exit of the turbine shows a pronounced non-uniformity with a wake ...

    Get Price
  • Dynamic analysis of three-dimensional drivetrain system of ...

    2014-8-1u2002·u2002In our previous study, a torsional model was used to perform a dynamic analysis of a wind turbine drivetrain. However, detailed characteristics could not be obtained with this torsional model. In this paper, the mathematical model of the wind turbine drivetrain is extended to a three-dimensional dynamic model. A typical arrangement with one low-speed planetary gear stage and two highspeed spur ...

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  • The design of three-dimensional turbine blades

    2018-2-5u2002·u2002The design of three-dimensional turbine blades combined with profiled endwalls D A Bagshaw1†, G L Ingram1*, D G Gregory-Smith1, M R Stokes2, and N W Harvey3 1School of Engineering, University of Durham, Science Labs, Durham, UK 2Turbine Systems, Rolls-Royce plc, Derby, UK 3Compressor Systems, Rolls-Royce plc, Derby, UK The manuscript was received on 10 May 2007 …

    Get Price
  • The design of three-dimensional turbine blades combined ...

    2008-2-26u2002·u2002The design of three-dimensional turbine blades combined with profiled endwalls D A Bagshaw, G L Ingram, D G Gregory-Smith, M R Stokes, and N W Harvey Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 2008 222 : 1, 93-102

    Get Price
  • Three-dimensional optimal design of a cooled turbine ...

    Cooling technology is widely applied in modern turbines to protect the turbine blades, and extracting high-pressure cooling air from a compressor exerts a remarkable influence on the gas-turbine performance. However, the three-dimensional optimal design of a turbine in modern industrial practice is usually carried out by pursuing high component efficiency without considering possible changes ...

    Get Price
  • Nonaxisymmetric Turbine End Wall Design: Part I— Three ...

    1999-2-1u2002·u2002A linear design system, already in use for the forward and inverse design of three-dimensional turbine aerofoils, has been extended for the design of their end walls. This paper shows how this method has been applied to the design of a nonaxisymmetric end wall for a turbine rotor blade in linear cascade.

    Get Price
  • Performances and Stall Delays of Three Dimensional

    2018-12-29u2002·u2002The research on three dimensional (3-D) wind turbine blades has been introduced (Sutrisno, Prajitno, Purnomo, & B.W. Setyawan, 2016). In the current experiment, the 3-D wind turbine blades would be fitted with helicopter-like blade tips and additional fins to the blade hubs to demonstrate some laminarizing features.

    Get Price
  • TWO- AND THREE-DIMENSIONAL TURBINE BLADE

    2020-3-20u2002·u2002TWO- AND THREE-DIMENSIONAL TURBINE BLADE ROW FLOW FIELD SIMULATIONS* R.C. Buggeln, W.R. Briley, H. McDonald S.J. Shamroth, and B.C. Weinberg Scientific Research Associates, Inc. Glastonbury, Connecticut A major problem area associated with the swcessfu L design and operat ion of modern gas turbine engines

    Get Price
  • A Three-Dimensional Conjugate Heat Transfer Model of a ...

    2020-10-9u2002·u2002The turbine housing is subjected to thermal load which is essential to be taken into account in the design process. In this paper, a three-dimensional conjugate heat transfer simulation of a wastegated turbine housing has been performed. The model has been validated with data from thermocouple measurements and thermography pictures. Moreover, the effect of ventilation speed on temperature ...

    Get Price
  • Wind farm layout optimization with a three-dimensional ...

    2020-10-1u2002·u2002An accurate wake model is essential for the mathematical modeling of a wind farm (WF) and the optimal positioning of wind turbines (WTs). In order to effectively solve the WF layout optimization problem, this paper presents a newly-developed three-dimensional (3D) Gaussian wake model and applies it to the optimization of a WF layout.

    Get Price
  • Development of a Three-Dimensional Viscous-Inviscid ...

    Ramos García, N., Sørensen, J. N., & Shen, W. Z. (2013). Development of a Three-Dimensional Viscous-Inviscid coupling Method for Wind Turbine Computations. In W. Z. Shen (Ed.), Proceedings of the 2013 International Conference on aerodynamics of Offshore Wind Energy Systems and wakes (ICOWES2013) (pp. 69-81). Technical University of Denmark.

    Get Price
  • Investigation of the three-dimensional flow past a ...

    2021-8-3u2002·u2002The combination of the three-dimensional unsteady bluff body wake from the blunt TE with the three-dimensional unsteady Stall Cell (SC) flow makes the numerical investigation of this flow a challenge for computational fluid dynamics (CFD).

    Get Price
  • A Three-Dimensional Turbine Engine Analysis Compressor ...

    2014-12-24u2002·u2002Hale, A, & O'Brien, W. 'A Three-Dimensional Turbine Engine Analysis Compressor Code (TEACC) for Steady-State Inlet Distortion.' Proceedings of the ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition.

    Get Price
  • Theoretical modelling of the three-dimensional wake of ...

    velocimeter, showing that remnants of the turbine-induced wake are still observed at such far distances downstream. The uneven, three-dimensional distribution of VAT wakes is depicted in Figure 1, which considers a control volume (thick black lines) behind a turbine of diameter ???? 0 and height ???? 0 in which mass

    Get Price
  • Three-Dimensional Computational Fluid Dynamic

    2021-7-5u2002·u2002The vertical axis wind turbine (VAWT) configuration has many advantages for an offshore wind turbine installation. The VAWT is omnidirectional and its rotating mechanical components can be placed close to sea level. In this paper, the three dimensional (3D) computational fluid dynamics analysis of a large-scale 5 MW VAWT is conducted. At the ...

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  • Three Dimensional Flow in Radial-Inflow Turbines

    2015-3-23u2002·u2002The flow through an impeller of a low speed radial-inflow turbine has been analysed using a fully three-dimensional viscous program and good correlations with instantaneous measurements of casing static pressure and exit flow distribution have been obtained. The flow at the exit of the turbine shows a pronounced non-uniformity with a wake ...

    Get Price
  • Modelling tidal stream turbines in a three-dimensional ...

    2017-3-11u2002·u2002125 dimensional models could also result in incomplete prediction of the vertical 126 ow structure downstream of the turbine and hence the mixing in the wake 127 [28, 29]. In contrast, the vertical ow structure and the mixing in the wake 128 of a turbine can be resolved in a three-dimensional …

    Get Price
  • Numerical Flow Analysis of Fully Three—Dimensional

    1985-3-1u2002·u2002Read 'Numerical Flow Analysis of Fully Three—Dimensional Turbine Cascades, International Journal of Turbo & Jet-Engines' on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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  • (PDF) Three-dimensional Navier-Stokes analysis of turbine ...

    THREE-DIMENSIONAL NAVIER-STOKES ANALYSIS OF TURBINE PASSAGE HEAT TRANSFER Ali A. Ameri Center for Research, .Inc. University of Kansas Lawrence, Kansas and Andrea Arnone Department of Energy Engineering University of Florence Florence, Italy Abstract 2 exit condition bl blade The three-dimensional Reynolds-averaged Navier- ew endwall Stokes equations are numerically …

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  • A DESIGN STUDY OF RADIAL INFLOW TURBINES IN

    2017-11-22u2002·u2002direction. The three-dimensional design method is used to compute the blade shape in radial inflow turbine wheels in subsonic flow. This requires the following specifications: swirl distribution, number of blades, hub and shroud geometrical contour, location of blade

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  • THREE-DIMENSIONAL UNSTEADY SIMULATION OF

    2020-8-6u2002·u2002THREE-DIMENSIONAL UNSTEADY SIMULATION OF AERODYNAMICS AND HEAT TRANSFER IN A MODERN HIGH PRESSURE TURBINE STAGE . Unsteady 3-D RANS simulations have been performed on a highly loaded transonic turbine stage and results are compared to steady calculations as well as to experiment. A low Reynolds number k-ε

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  • Journal of Materials Processing Technology

    2017-3-1u2002·u2002Y.W. Dong et al. Journal of Materials Processing Technology 244 (2017) 190–203 191 obtained by a three-dimensional laser scanner. Liu et al. (2015) used a three-dimensional (3D) scanner and an industrial com-puterized tomography (ICT) scanner to study the influence of complex structure on part shrinkage in the investment casting process.

    Get Price
  • A Three-Dimensional Turbine Engine Analysis Compressor ...

    2014-12-24u2002·u2002Hale, A, & O'Brien, W. 'A Three-Dimensional Turbine Engine Analysis Compressor Code (TEACC) for Steady-State Inlet Distortion.' Proceedings of the ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition.

    Get Price
  • Theoretical modelling of the three-dimensional wake of ...

    velocimeter, showing that remnants of the turbine-induced wake are still observed at such far distances downstream. The uneven, three-dimensional distribution of VAT wakes is depicted in Figure 1, which considers a control volume (thick black lines) behind a turbine of diameter ???? 0 and height ???? 0 in which mass

    Get Price
  • Three Dimensional Flow in Radial-Inflow Turbines

    2015-3-23u2002·u2002The flow through an impeller of a low speed radial-inflow turbine has been analysed using a fully three-dimensional viscous program and good correlations with instantaneous measurements of casing static pressure and exit flow distribution have been obtained. The flow at the exit of the turbine shows a pronounced non-uniformity with a wake ...

    Get Price
  • Modelling tidal stream turbines in a three-dimensional ...

    2017-3-11u2002·u2002125 dimensional models could also result in incomplete prediction of the vertical 126 ow structure downstream of the turbine and hence the mixing in the wake 127 [28, 29]. In contrast, the vertical ow structure and the mixing in the wake 128 of a turbine can be resolved in a three-dimensional model [26].

    Get Price
  • Three-Dimensional Boundary Layer in a Turbine Blade Passage

    2019-1-27u2002·u2002Three-Dimensional Boundary Layer in a Turbine Blade Passage Stephen Lynch∗ Pennsylvania State University, University Park, Pennsylvania 16802 DOI: 10.2514/1.B36232

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  • Three-Dimensional Time-Resolved Flow Field in the First ...

    2014-8-4u2002·u2002von Hoyningen-Huene, M, Frank, W, & Jung, AR. 'Three-Dimensional Time-Resolved Flow Field in the First and Last Turbine Stage of a Heavy Duty Gas Turbine: Part II — Interpretation of Blade Pressure Fluctuations.' Proceedings of the ASME Turbo Expo 2000: Power for …

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  • Measurements and Predictions of the Three-Dimensional ...

    2018-11-15u2002·u2002the three-dimensional boundary layer in a turbine cascade obtained with a laser Doppler velocimeter. In addition, two types of RANS models are compared to the measurements: the SST k-ω model using the isotropic eddy viscosity assumption, and a Reynolds stress model

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  • Three-Dimensional Calculations of the Flow Field around a ...

    2015-2-28u2002·u2002Three-Dimensional Calculations of the Flow Field around a Turbine Blade with Film Cooling Injection near the Leading Edge G.S. THEODORIDIS, D. LAKEHAL and W. RODI‡ Institute for Hydromechanics, University of Karlsruhe, Kaiserstrasse 12, D-76128 Karlsruhe, Germany Received 18 December 2000; accepted in revised form 17 February 2001 Abstract.

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  • A Numerical Procedure of Three-Dimensional Design Problem ...

    2015-3-10u2002·u2002A numerical method for solving the three–dimensional aerothermodynamic design problem with some type of the Mach number distributions on the blade surfaces is presented. In the usual aerothermodynamic design of a turbomachinery the three–dimensional coordinates of the blade is attained through the stacking of the cascade profiles and may ...

    Get Price
  • Journal of Materials Processing Technology

    2017-3-1u2002·u2002Y.W. Dong et al. Journal of Materials Processing Technology 244 (2017) 190–203 191 obtained by a three-dimensional laser scanner. Liu et al. (2015) used a three-dimensional (3D) scanner and an industrial com-puterized tomography (ICT) scanner to study the influence of complex structure on part shrinkage in the investment casting process.

    Get Price
  • The design of three-dimensional turbine blades

    2018-2-5u2002·u2002The design of three-dimensional turbine blades combined with profiled endwalls D A Bagshaw1†, G L Ingram1*, D G Gregory-Smith1, M R Stokes2, and N W Harvey3 1School of Engineering, University of Durham, Science Labs, Durham, UK 2Turbine Systems, Rolls-Royce plc, Derby, UK 3Compressor Systems, Rolls-Royce plc, Derby, UK The manuscript was received on 10 May 2007 …

    Get Price
  • The design of three-dimensional turbine blades combined ...

    2008-2-26u2002·u2002The design of three-dimensional turbine blades combined with profiled endwalls D A Bagshaw, G L Ingram, D G Gregory-Smith, M R Stokes, and N W Harvey Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 2008 222 : 1, 93-102

    Get Price
  • Three-dimensional optimal design of a cooled turbine ...

    Cooling technology is widely applied in modern turbines to protect the turbine blades, and extracting high-pressure cooling air from a compressor exerts a remarkable influence on the gas-turbine performance. However, the three-dimensional optimal design of a turbine in modern industrial practice is usually carried out by pursuing high component efficiency without considering possible changes ...

    Get Price
  • Nonaxisymmetric Turbine End Wall Design: Part I— Three ...

    1999-2-1u2002·u2002A linear design system, already in use for the forward and inverse design of three-dimensional turbine aerofoils, has been extended for the design of their end walls. This paper shows how this method has been applied to the design of a nonaxisymmetric end wall for a turbine rotor blade in linear cascade.

    Get Price
  • Performances and Stall Delays of Three Dimensional

    2018-12-29u2002·u2002The research on three dimensional (3-D) wind turbine blades has been introduced (Sutrisno, Prajitno, Purnomo, & B.W. Setyawan, 2016). In the current experiment, the 3-D wind turbine blades would be fitted with helicopter-like blade tips and additional fins to the blade hubs to demonstrate some laminarizing features.

    Get Price
  • TWO- AND THREE-DIMENSIONAL TURBINE BLADE

    2020-3-20u2002·u2002TWO- AND THREE-DIMENSIONAL TURBINE BLADE ROW FLOW FIELD SIMULATIONS* R.C. Buggeln, W.R. Briley, H. McDonald S.J. Shamroth, and B.C. Weinberg Scientific Research Associates, Inc. Glastonbury, Connecticut A major problem area associated with the swcessfu L design and operat ion of modern gas turbine engines

    Get Price
  • A Three-Dimensional Conjugate Heat Transfer Model of a ...

    2020-10-9u2002·u2002The turbine housing is subjected to thermal load which is essential to be taken into account in the design process. In this paper, a three-dimensional conjugate heat transfer simulation of a wastegated turbine housing has been performed. The model has been validated with data from thermocouple measurements and thermography pictures. Moreover, the effect of ventilation speed on temperature ...

    Get Price
  • Wind farm layout optimization with a three-dimensional ...

    2020-10-1u2002·u2002An accurate wake model is essential for the mathematical modeling of a wind farm (WF) and the optimal positioning of wind turbines (WTs). In order to effectively solve the WF layout optimization problem, this paper presents a newly-developed three-dimensional (3D) Gaussian wake model and applies it to the optimization of a WF layout.

    Get Price
  • Development of a Three-Dimensional Viscous-Inviscid ...

    Ramos García, N., Sørensen, J. N., & Shen, W. Z. (2013). Development of a Three-Dimensional Viscous-Inviscid coupling Method for Wind Turbine Computations. In W. Z. Shen (Ed.), Proceedings of the 2013 International Conference on aerodynamics of Offshore Wind Energy Systems and wakes (ICOWES2013) (pp. 69-81). Technical University of Denmark.

    Get Price
  • Investigation of the three-dimensional flow past a ...

    2021-8-3u2002·u2002The combination of the three-dimensional unsteady bluff body wake from the blunt TE with the three-dimensional unsteady Stall Cell (SC) flow makes the numerical investigation of this flow a challenge for computational fluid dynamics (CFD).

    Get Price
  • The design of three-dimensional turbine blades

    2018-2-5u2002·u2002The design of three-dimensional turbine blades combined with profiled endwalls D A Bagshaw1†, G L Ingram1*, D G Gregory-Smith1, M R Stokes2, and N W Harvey3 1School of Engineering, University of Durham, Science Labs, Durham, UK 2Turbine Systems, Rolls-Royce plc, Derby, UK 3Compressor Systems, Rolls-Royce plc, Derby, UK The manuscript was received on 10 May 2007 …

    Get Price
  • The design of three-dimensional turbine blades combined ...

    2008-2-26u2002·u2002The design of three-dimensional turbine blades combined with profiled endwalls D A Bagshaw, G L Ingram, D G Gregory-Smith, M R Stokes, and N W Harvey Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 2008 222 : 1, 93-102

    Get Price
  • Three-dimensional optimal design of a cooled turbine ...

    Cooling technology is widely applied in modern turbines to protect the turbine blades, and extracting high-pressure cooling air from a compressor exerts a remarkable influence on the gas-turbine performance. However, the three-dimensional optimal design of a turbine in modern industrial practice is usually carried out by pursuing high component efficiency without considering possible changes ...

    Get Price
  • Nonaxisymmetric Turbine End Wall Design: Part I— Three ...

    1999-2-1u2002·u2002A linear design system, already in use for the forward and inverse design of three-dimensional turbine aerofoils, has been extended for the design of their end walls. This paper shows how this method has been applied to the design of a nonaxisymmetric end wall for a turbine rotor blade in linear cascade.

    Get Price
  • Performances and Stall Delays of Three Dimensional

    2018-12-29u2002·u2002The research on three dimensional (3-D) wind turbine blades has been introduced (Sutrisno, Prajitno, Purnomo, & B.W. Setyawan, 2016). In the current experiment, the 3-D wind turbine blades would be fitted with helicopter-like blade tips and additional fins to the blade hubs to demonstrate some laminarizing features.

    Get Price
  • TWO- AND THREE-DIMENSIONAL TURBINE BLADE

    2020-3-20u2002·u2002TWO- AND THREE-DIMENSIONAL TURBINE BLADE ROW FLOW FIELD SIMULATIONS* R.C. Buggeln, W.R. Briley, H. McDonald S.J. Shamroth, and B.C. Weinberg Scientific Research Associates, Inc. Glastonbury, Connecticut A major problem area associated with the swcessfu L design and operat ion of modern gas turbine engines

    Get Price
  • A Three-Dimensional Conjugate Heat Transfer Model of a ...

    2020-10-9u2002·u2002The turbine housing is subjected to thermal load which is essential to be taken into account in the design process. In this paper, a three-dimensional conjugate heat transfer simulation of a wastegated turbine housing has been performed. The model has been validated with data from thermocouple measurements and thermography pictures. Moreover, the effect of ventilation speed on temperature ...

    Get Price
  • Wind farm layout optimization with a three-dimensional ...

    2020-10-1u2002·u2002An accurate wake model is essential for the mathematical modeling of a wind farm (WF) and the optimal positioning of wind turbines (WTs). In order to effectively solve the WF layout optimization problem, this paper presents a newly-developed three-dimensional (3D) Gaussian wake model and applies it to the optimization of a WF layout.

    Get Price
  • Development of a Three-Dimensional Viscous-Inviscid ...

    Ramos García, N., Sørensen, J. N., & Shen, W. Z. (2013). Development of a Three-Dimensional Viscous-Inviscid coupling Method for Wind Turbine Computations. In W. Z. Shen (Ed.), Proceedings of the 2013 International Conference on aerodynamics of Offshore Wind Energy Systems and wakes (ICOWES2013) (pp. 69-81). Technical University of Denmark.

    Get Price
  • Investigation of the three-dimensional flow past a ...

    2021-8-3u2002·u2002The combination of the three-dimensional unsteady bluff body wake from the blunt TE with the three-dimensional unsteady Stall Cell (SC) flow makes the numerical investigation of this flow a challenge for computational fluid dynamics (CFD).

    Get Price