Recent Studies in Turbine Blade Cooling by Je-Chin Han

“…For internal cooling, this presentation focuses on the effect of rotation on rotor blade coolant passage heat transfer with rib turbulators and impinging jets. The computational flow and heat transfer results are also presented and compared to experimental data using the RANS method with various turbulence models such as k-ε, and second-moment closure models. …”
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Multi-GPU Development of a Neural Networks Based Reconstructor for Adaptive Optics by Carlos González-Gutiérrez, María Luisa Sánchez-Rodríguez, José Luis Calvo-Rolle, Francisco Javier de Cos Juez

“…Aberrations introduced by the atmospheric turbulence in large telescopes are compensated using adaptive optics systems, where the use of deformable mirrors and multiple sensors relies on complex control systems. …”
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Design considerations for wavefront sensing with self-referencing interferometers in adaptive optics systems by MacGillivray Alexander C., Hristovski Ilija R., Jenne Matthias F., Reeves Andrew P., Mata Calvo Ramon, Holzman Jonathan F.

“…The SRI is developed to aid adaptive optics (AO) control, via deformable mirrors, in correcting wavefront error from atmospheric turbulence in (laser-based) free-space optical communication links. …”
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Prediction of Pollutant Emissions from Bluff-Body Stabilised Nonpremixed Flames by Nelu Munteanu, Shokri M. Amzaini

“…The reason for these discrepancies is that the flamelet model is not adequate to capture the finite-rate chemistry effects and shear turbulence specifically, for species with a slow time scale such as nitrogen oxides.…”
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Effect of Pitch Angle on Structural and Aerodynamic Characteristics of Vertical-Axis Wind Turbines (VAWTs) Using Leading-Edge Protuberance Blades by Karthikvel Elangovan, S. Nadaraja Pillai

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A Comparative CFD Study on Simulating Flameless Oxy-Fuel Combustion in a Pilot-Scale Furnace by Mersedeh Ghadamgahi, Patrik Ölund, Tomas Ekman, Nils Andersson, Pär Jönsson

“…A three-dimensional CFD model was developed and the validity of using different submodels describing turbulence and chemical reactions was evaluated. The standard k-ε model was compared with the realizable k-ε model for turbulence, while Probability Density Function (PDF) with either chemical equilibrium or the Steady Laminar Flamelet Model (SLFM) was evaluated for combustion. …”
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Using Flow 3D Simulation, Multiple Nonlinear Regression Approach, and Artificial Neural Network Approach Approaches to Study the Behavior of Vertical Drop Structures by Shaikhli Hasan Al, Mohammed Sarah Hashim, Al-Khafaji Zainab

“…Key flow parameters, such as downstream depth, pool depth, and energy loss, were calculated and validated against experimental data. Various turbulence models and grid configurations were assessed. …”
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Numerical analysis of collision mechanism that causes particle tribocharging in dry powder inhaler by Ryosuke Mitani, Muhammad Aiman bin Mohd Nor, Takuto Iinuma, Tatsuhiro Mori, Tomoaki Okuda

“…These results suggest that optimum turbulence kinetic energy is necessary to reduce particle aggregation and improve the delivery efficiency of DPIs to the human lungs. …”
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Numerical Simulation of Interaction between Large-Scale Congestion and Vent during the Natural Gas Explosion in a Kitchen by Lei Pang, Mengjie Jin, Qianran Hu, Kai Yang

“…It was found that opening the explosion venting surface promotes the development of turbulence, flame propagation velocity, and multipeak overpressure in the explosion flow field. …”
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Flow Measurements Using Particle Image Velocimetry in the Ultracompact Combustor by Levi M. Thomas, Richard D. Branam, Mark F. Reeder

“…Velocity measurements performed on the UCC test rig at the Air Force Institute of Technology revealed flow patterns and time-averaged turbulence statistics for data taken burning hydrogen fuel in a straight and a curved cavity vane configuration. …”
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Analysis of Dust Reduction Characteristics of Multistage Tandem Dust Removal System by Jiajun Zhang, Dong Liang, Yuanwen Cao

“…With an emphasis on the cyclone section structure with the dust-gas separation function, computational fluid dynamics (CFD) is used to analyze the internal flow field characteristics, turbulence intensity, tangential velocity, and velocity field vector characteristics. …”
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Effects of Low Reynolds Number on Wake-Generated Unsteady Flow of an Axial-Flow Turbine Rotor by Takayuki Matsunuma, Yasukata Tsutsui

“…The time-averaged and time-dependent distributions of velocity and turbulence intensity were analyzed to determine the effect of Reynolds number. …”
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Experimental Investigation of Steady and Unsteady Flow Field Downstream of an Automotive Torque Converter Turbine and Stator by B. V. Marathe, B. Lakshminarayana

“…These secondary flows generate high levels of turbulence. A comparison of the flow properties upstream and downstream of the stator in the stationary frame of reference indicate the presence of high losses near the core due to high turbulence levels and large secondary flows, and high losses near the shell due to possible corner separation near the shell suction surface inside the stator blade passage. …”
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Full-scale wind turbine performance assessment: a customised, sensor-augmented aeroelastic modelling approach by T. H. Malik, C. Bak

“…For the turbine investigated, findings indicate that sensors such as blade tip torsion, blade root flap moment, shaft moment, and tower moments, especially under lower turbulence intensities, are particularly sensitive to erosion. …”
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Modeling the Magnetic Connection from Earth to Solar Corona during the May 11 Geomagnetic Superstorm by Alessandro Ippolito, Tommaso Alberti, Fabio Giannattasio

“…A Monte Carlo simulation was applied to model the random walk of interplanetary magnetic field lines due to low-frequency turbulence in the solar wind. This model uses local diffusion coefficients dependent on magnetic fluctuations and the correlation length of solar wind turbulence. …”
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Development of a high-order global dynamical core using the discontinuous Galerkin method for an atmospheric large-eddy simulation (LES) and proposal of test cases: SCALE-DG v0.8.0 by Y. Kawai, H. Tomita, H. Tomita

“…Furthermore, considering a global large-eddy simulation (LES), a Smagorinsky–Lilly turbulence model was introduced to the proposed global dynamical core in the DGM framework. …”
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Effect of Blade Number on Internal Flow and Performance Characteristics in Low-Head Cross-Flow Turbines by Ephrem Yohannes Assefa, Asfafaw Haileselassie Tesfay

“…The flow trajectory showed stability in the first stage but exhibited discrepancies in the second stage, which were attributed to turbulence, recirculation, and shaft flow impingement. …”
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Improving Performance of Integrated Ground-HAPS FSO Communication Links With MIMO Application by Emna Zedini, Yalcn Ata, Mohamed-Slim Alouini

“…To model the atmospheric turbulence-induced fading, pointing error impairments, and angle-of-arrival (AOA) fluctuations, we employ the Gamma-Gamma distribution, Hoyt distribution, and Rayleigh distribution, respectively. …”
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REALIZATION OF TRANSIT CAPACITY OF THE RUSSIAN FEDERATION ON THE BASIS OF DEVELOPMENT OF THE INTERNATIONAL TRANSPORT CORRIDORS by M. Ivanenko

“…Turbulence of the economic environment of the modern world economy causes need of search of new sources of realization of the external economic capacity of the Russian Federation. …”
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A Refined Astrometric Approach Based on the Precision Premium and its Application to the Jupiter’s Satellite Himalia by Z. J. Zheng, Q. Y. Peng, F. R. Lin, D. Li

“…Since the advent of Gaia catalog, positional precision of a ground-based telescope can be greatly improved by correction of more subtle errors, including positional biases induced by atmospheric turbulence, and some instrumental factors such as geometric distortion and the charge transfer efficiency. …”
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