Introducing a Rheology Model for Non-Newtonian Drilling Fluids by Masoud Rashidi, Ahmad Sedaghat, Biltayib Misbah, Mohammad Sabati, Koshy Vaidyan, Ali Mostafaeipour, Seyyed Shahabaddin Hosseini Dehshiri, Khalid Almutairi, Alibek Issakhov

“…An API standard drilling fluid was investigated from laminar to turbulent flow conditions using an in-house-built viscometer at speeds from 200 to 1600 RPM. …”
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Verification and Validation of CFD analysis for 1/7th scale model of APR1400 for CVAP by Giwon La, Kunwoo Yi, Doyoung Ko, Kyuhyung Kim

“…In this study, CFD is used to calculate the local velocity and flow distribution to generate the forcing functions caused by turbulent flow for analysis programs in the CVAP. The Verification &Validation (V&V) procedure recommended by the American Society of Mechanical Engineers (ASME) is performed to verify the accuracy of CFD based on reliability, and it is compared with tests on a scale model. …”
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Turbulence Modeling Using Z-F Model and RSM for Flow Analysis in Z-SHAPE Ducts by Mohammed Karbon, Ahmad K. Sleiti

“…Turbulent flow in Z-shape duct configuration is investigated using Reynolds stress model (RSM) and ζ-f model and compared to experimental results. …”
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CFD Turbulence Study of PWR Spacer-Grids in a Rod Bundle by C. Peña-Monferrer, J. L. Muñoz-Cobo, S. Chiva

“…Simulation of turbulent phenomena downstream of the spacer-grid presents high complexity issues; a wide range of length scales are present in the domain increasing the difficulty of defining in detail the transient nature of turbulent flow with ordinary turbulence models. This paper contains a complete description of the procedure to obtain a validated CFD model for the simulation of the spacer-grids. …”
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Immersion in Complex Dynamical Systems with Ergodicity by Rômulo Damasclin Chaves dos Santos, Jorge Henrique de Oliveira Sales

“…Furthermore, the work introduces the Ergodic Theory of Turbulent Flow (ETTF), which probes the interplay between topological entropy and the ergodic properties of dynamic systems governed by the Navier-Stokes equations. …”
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The Optimal Hydraulic Design of Centrifugal Impeller Using Genetic Algorithm with BVF by Xin Zhou, Yongxue Zhang, Zhongli Ji, Hucan Hou

“…Using Reynolds averaged N-S equations with a RNG k-ε two-equation turbulence model and log-law wall function to solve 3D turbulent flow field in the flow channel between blades of 6 designed impellers by CFD code FLUENT, the investigation on velocity distributions, pressure distributions, boundary vorticity flux distributions on blade surfaces, and hydraulic performance of impellers was presented and the comparisons of impellers by different design methods were demonstrated. …”
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Simulation Analysis of Air Flow and Turbulence Statistics in a Rib Grit Roughened Duct by I. I. Vogiatzis, A. C. Denizopoulou, G. K. Ntinas, V. P. Fragos

“…Flow characteristics and several aspects of turbulent flow are presented and discussed including velocity components and statistics of turbulence. …”
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Numerical Simulation on the Penetration Behavior of the Projectile during the Water Injection Stage of Water-Projectile-Assisted Injection Molding Process by Tangqing Kuang, Qiang Feng, Tian Liu, Luohao Zhong, Yanqing Wang, Hesheng Liu

“…In order to investigate the penetration behavior of the projectile during the water injection stage of W-PAIM process, numerical simulation of the water injection stage of a W-PAIM pipe with straight and curved segments was carried out. A turbulent flow for the driving water was considered in the motion equation, and the dynamic mesh technology was used to deal with the moving solid projectile. …”
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Investigation on Fluid Flow Heat Transfer and Frictional Properties of Al2O3 Nanofluids Used in Shell and Tube Heat Exchanger by Debabrata Barik, Sreejesh S. R. Chandran, Milon Selvam Dennison, T. G. Ansalam Raj, K. E. Reby Roy

“…In this paper, nanoparticles of Al2O3 are added to the base fluid, which flows through the counterflow arrangement in a turbulent flow condition. The fluids employed are ethylbenzene and water, which have differing velocities on both the tube and the shell side of the cylinders. …”
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Experimental Studies of Thermal Hydraulics of Deep Eutectic Solvent Based on Choline Chloride by Myung Hyun Pyo, Siwon Seo, Jaeyoung Lee

“…As a result, it was found that glyceline is a Newtonian fluid, and the transition region from laminar to turbulent flow has a lower Reynolds number than water has. …”
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Performance Enhancement in Horizontal Axis Wind Turbine Using Blade With Split by Adilkhan Tuken, Cemil Yigit

“…In the optimization process, the slope, position, width, and number of the splits were taken as parameters, and the optimum blade design was created. A steady‐state turbulent flow and transition SST turbulence model was used for the moving reference frame calculation to find the optimum split parameters. …”
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Numerical Investigation of Heat Transfer and Flow Dynamics in Tubes with DNA-Inspired Slotted Inserts by Penglong Zhu, Guoxiu Sun, Ruimeng Liu, Sicong Zhou, Baisong Hu, Shaofeng Zhang

“…The study provides a thorough analysis of fully turbulent flow (Re = 6600–17,200), examining the effects of various DSI pitches, key lengths, and geometries. …”
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Transient Flow Theory of Multiple-Fractured Horizontal Wells with Complex Mechanisms in Shale Gas Reservoirs by Dianfa Du, Genkai Zhang, Yanwu Zhao, Xiaofei Sun, Bin Zhang

“…The more the Knudsen diffusion and slippage coefficients are, the earlier the turbulent flow occurs and the higher the gas production is.…”
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Metastatic Invasive Lobular Breast Cancer Presenting Clinically with Esophageal Dysphagia by Lilit Karapetyan, Heather Laird-Fick, Reuben Cuison

“…Abdominal ultrasound with Doppler showed that the main portal vein had atypical turbulent flow that was felt to possibly be due to retroperitoneal process. …”
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Experimental and analytical investigation of hydraulic conductivity, energy dissipation, and drag forces in gradually varied flow conditions through rockfill media by Jafar Chabokpour

“…The Reynolds numbers were always greater than 2000, thus fully justifying turbulent flow conditions. The obtained results showed that the Darcy-Weisbach friction factor ranged between approximately 0.8 and 0.2 with surfacing velocity. …”
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Optimizing humidification–dehumidification desalination systems: Impact of nozzle position and geometric configuration on performance and efficiency by Mohammad Alrbai, Ahmad Al Masri, Dareen Makawii, Ali Alahmer

“…Geometric analyses revealed that cylindrical designs reduced head loss by 8%, from 4.91 mm in square prisms to 4.45 mm, while improving turbulent flow and heat and mass transfer through better air-water interaction. …”
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Effect of Twisted-Tape Turbulators and Nanofluid on Heat Transfer in a Double Pipe Heat Exchanger by Heydar Maddah, Reza Aghayari, Morshed Farokhi, Shabnam Jahanizadeh, Khatere Ashtary

“…The effects of temperature, mass flow rate, and concentration of nanoparticles on the overall heat transfer coefficient, heat transfer changes in the turbulent flow regime Re≥2300, and counter current flow were investigated. …”
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Simulation Study on the Effect of Forced Ventilation in Tunnel under Single-Head Drilling and Blasting by Qingsong Pu, Yi Luo, Junhong Huang, Yingwei Zhu, Shaohua Hu, Chenhao Pei, Guang Zhang, Xinping Li

“…Based on the excavation of Yuelongmen tunnel on ChengLan Railway in China, this paper will probe into the forced ventilation effect of harmful gas generated by drilling and blasting construction, simulate the diffusion process of harmful gas generated during blasting operation on the tunnel face by establishing the finite element model of gas turbulent flow and concentration diffusion in the tunnel, and study the spatial-temporal evolution law of CO concentration field under different air pipe layout locations and tunnel excavation methods. …”
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Influences of Dual Air-Swirler Angles on Swirling Injection and Combustion of Kerosene-Air at a Supercritical Pressure by Danyang Wang, Danyang Wang, Dongxin Huang, Jianguo Xu, Hua Meng, Hua Meng

“…Large eddy simulations are conducted to analyze turbulent flow and combustion of kerosene-air in a dual-air-swirler gas turbine model combustor at a supercritical pressure of 4 MPa, above the critical pressure of kerosene. …”
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Investigation of Micro- and Nanosized Particle Erosion in a 90° Pipe Bend Using a Two-Phase Discrete Phase Model by M. R. Safaei, O. Mahian, F. Garoosi, K. Hooman, A. Karimipour, S. N. Kazi, S. Gharehkhani

“…This paper addresses erosion prediction in 3-D, 90° elbow for two-phase (solid and liquid) turbulent flow with low volume fraction of copper. For a range of particle sizes from 10 nm to 100 microns and particle volume fractions from 0.00 to 0.04, the simulations were performed for the velocity range of 5–20 m/s. …”
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