Topics: Airfoils , Bubbles , Excitation , Flow (Dynamics) , Separation (Technology) , Shear (Mechanics) , Turbulence , Fluctuations (Physics) , Boundary layers

Effect of Upstream Leakage Flow on Film Cooling Characteristic of a Turbine Convex Endwall

Jie Zhang, Cunliang Liu, Xiying Niu, Weijiang Xu, Li Zhang, Xuyang Liu

J. Turbomach. November 2023, 145(11): 111002. doi: https://doi.org/10.1115/1.4063188

Abstract

View articletitled, Effect of Upstream Leakage Flow on Film Cooling Characteristic of a Turbine Convex Endwall

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Topics: Coolants , Cooling , Density , Film cooling , Flow (Dynamics) , Leakage , Leakage flows , Pressure , Turbines

Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine

Daniel D. Fahy, Peter Ireland

J. Turbomach. November 2023, 145(11): 111003. doi: https://doi.org/10.1115/1.4063246

Abstract

View articletitled, Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine

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Topics: Annulus , Blades , Cooling , Cylinders , Gas turbines , Heat flux , Temperature , Transients (Dynamics) , Ventilation , Computational fluid dynamics

Characterizing Shrouded Stator Cavity Flow on the Performance of a Single-Stage Axial Transonic Compressor

Runzhu Shao, Xiao He, Mingmin Zhu, Fabian Klausmann, Jinfang Teng

J. Turbomach. November 2023, 145(11): 111004. doi: https://doi.org/10.1115/1.4063296

Abstract

View articletitled, Characterizing Shrouded Stator Cavity Flow on the Performance of a Single-Stage Axial Transonic Compressor

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Topics: Cavities , Compressors , Flow (Dynamics) , Leakage , Leakage flows , Pressure , Stators , Cavity flows , Computer simulation

High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness

Thomas O. Jelly, Wagih Abu Rowin, Nicholas Hutchins, Daniel Chung, Koichi Tanimoto, Takuo Oda, Richard D. Sandberg

J. Turbomach. November 2023, 145(11): 111005. doi: https://doi.org/10.1115/1.4063298

Abstract

View articletitled, High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness

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Topics: Surface roughness , Turbulence , Heat transfer , Additive manufacturing

Rotating Instabilities in Shrouded Low Pressure Turbine at Design and Off-Design Conditions

Maxime Perini, Nicolas Binder, Yannick Bousquet, Eric Schwartz

J. Turbomach. November 2023, 145(11): 111006. doi: https://doi.org/10.1115/1.4063247

Abstract

View articletitled, Rotating Instabilities in Shrouded Low Pressure Turbine at Design and Off-Design Conditions

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Topics: Blades , Cavities , Design , Flow (Dynamics) , Pressure , Rotors , Stators , Temperature , Turbines , Simulation

Sensitivity of Laidback Fan-Shaped Hole Discharge Coefficient Under Internal Coolant Crossflow Conditions

Liu Haoyang, Du Qiang, Xu Qingzong, Xu Guangyao, Li Hongye, Chen Dawei

J. Turbomach. November 2023, 145(11): 111007. doi: https://doi.org/10.1115/1.4063366

Abstract

View articletitled, Sensitivity of Laidback Fan-Shaped Hole Discharge Coefficient Under Internal Coolant Crossflow Conditions

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Topics: Coolants , Discharge coefficient , Pressure , Flow (Dynamics) , Reynolds number

Conjugate Heat Transfer Characteristics of a Film-Cooled Turbine Blade Leading Edge With Staggered-Oblique Impinging Jets

Li Hongye, Du Qiang, Xu Qingzong, Xu Guangyao, Liu Haoyang, Chen Dawei

J. Turbomach. November 2023, 145(11): 111008. doi: https://doi.org/10.1115/1.4063367

Abstract

View articletitled, Conjugate Heat Transfer Characteristics of a Film-Cooled Turbine Blade Leading Edge With Staggered-Oblique Impinging Jets

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Topics: Cooling , Film cooling , Flow (Dynamics) , Heat transfer , Turbine blades , Jets , Adiabatic cooling , Coolants , Reynolds number , Blades

High-Dimensional Uncertainty Quantification of High-Pressure Turbine Vane Based on Multifidelity Deep Neural Networks

Zhihui Li, Francesco Montomoli, Nicola Casari, Michele Pinelli

J. Turbomach. November 2023, 145(11): 111009. doi: https://doi.org/10.1115/1.4063391

Abstract

View articletitled, High-Dimensional Uncertainty Quantification of High-Pressure Turbine Vane Based on Multifidelity Deep Neural Networks

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Topics: Artificial neural networks , Computational fluid dynamics , Design , Flow (Dynamics) , Nozzles , Pressure , Turbines , Uncertainty quantification , Turbomachinery , Uncertainty

Robust Design of Herringbone Grooved Journal Bearings Using Multi-Objective Optimization With Artificial Neural Networks

Soheyl Massoudi, Jürg Schiffmann

J. Turbomach. November 2023, 145(11): 111010. doi: https://doi.org/10.1115/1.4063392

Abstract

View articletitled, Robust Design of Herringbone Grooved Journal Bearings Using Multi-Objective Optimization With Artificial Neural Networks

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Topics: Artificial neural networks , Bearings , Design , Journal bearings , Manufacturing , Optimization , Pareto optimization , Robustness , Rotors , Clearances (Engineering)

Fluid–Thermal–Structural Analysis of Partial Admission Axial Impulse Turbines With Liquid Jet Impingement Cooling

Hanwei Wang, Kai Luo, Ruoyang Zhi, Kan Qin

J. Turbomach. November 2023, 145(11): 111011. doi: https://doi.org/10.1115/1.4063410

Abstract

View articletitled, Fluid–Thermal–Structural Analysis of Partial Admission Axial Impulse Turbines With Liquid Jet Impingement Cooling

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Topics: Blades , Cooling , Fluids , Nozzles , Temperature , Turbines , Water , Flow (Dynamics) , Stress , Impingement cooling

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Research Papers

Excitation of a Separated Flow by a Series of Protuberances Near the Leading Edge of a Model Aerofoil

Effect of Upstream Leakage Flow on Film Cooling Characteristic of a Turbine Convex Endwall

Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine

Characterizing Shrouded Stator Cavity Flow on the Performance of a Single-Stage Axial Transonic Compressor

High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness

Rotating Instabilities in Shrouded Low Pressure Turbine at Design and Off-Design Conditions

Sensitivity of Laidback Fan-Shaped Hole Discharge Coefficient Under Internal Coolant Crossflow Conditions

Conjugate Heat Transfer Characteristics of a Film-Cooled Turbine Blade Leading Edge With Staggered-Oblique Impinging Jets

High-Dimensional Uncertainty Quantification of High-Pressure Turbine Vane Based on Multifidelity Deep Neural Networks

Robust Design of Herringbone Grooved Journal Bearings Using Multi-Objective Optimization With Artificial Neural Networks

Fluid–Thermal–Structural Analysis of Partial Admission Axial Impulse Turbines With Liquid Jet Impingement Cooling

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