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Journal articles on the topic 'Computational fluids dynamics (CFD)'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Douglass, R. W., and J. D. Ramshaw. "Perspective: Future Research Directions in Computational Fluid Dynamics." Journal of Fluids Engineering 116, no. 2 (1994): 212–15. http://dx.doi.org/10.1115/1.2910256.

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The current state of computational fluid dynamics (CFD) has yet to reach its full promise as a general tool for engineering design and simulation. Research in the areas of code robustness, complex flows of real fluids, and numerical errors and resolution are proposed as directions aiming toward that goal. We illustrate some of the current CFD challenges using selected applications.

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Ahn, Joon. "Special Issue on “Advances and Applications in Computational Fluid Dynamics”." Applied Sciences 14, no. 23 (2024): 11060. http://dx.doi.org/10.3390/app142311060.

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De Vanna, Francesco. "Industrial CFD and Fluid Modelling in Engineering." Fluids 10, no. 1 (2025): 15. https://doi.org/10.3390/fluids10010015.

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Fluids is proud to present the Special Issue “Industrial CFD and Fluid Modelling in Engineering”, a carefully curated collection of pioneering research that underscores the transformative role of Computational Fluid Dynamics (CFD) in addressing the challenges of industrial fluid mechanics [...]

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BULLOUGH, W. A., J. R. KINSELLA, D. J. PEEL, and U. S. URANG. "COMPUTATIONAL FLUID DYNAMICS MODELLING OF ELECTRO-STRUCTURED FLOWS." International Journal of Modern Physics B 15, no. 06n07 (2001): 731–44. http://dx.doi.org/10.1142/s0217979201005210.

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The use of computational fluid dynamics (CFD) software for modelling the flow of electro-structured fluids is introduced. A non-Newtonian fluids package written specifically to model Bingham plastics is validated for several flow rates between stationary parallel plates for varying yield stresses, plate separations and lengths. The computing procedure is rationalised in terms of grid fitting of the 'plug' edge. The programme is modified to include an analytical expression which relates delectro-rheological fluid parameters. This approach is then used to predict valve flow rates from small samp

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Bibhab Kumar, Lodh. "The transformative role of Computational Fluid Dynamics (CFD) in chemical engineering." Open Journal of Chemistry 10, no. 1 (2024): 001–3. http://dx.doi.org/10.17352/ojc.000033.

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Chemical engineering is a discipline intrinsically linked to fluid behavior. From reaction kinetics to reactor design, understanding how fluids flow, mix, and transfer heat is paramount. Traditionally, this relied heavily on experimentation, a time-consuming and resource-intensive process. The emergence of Computational Fluid Dynamics (CFD) has revolutionized the field, offering a powerful in-silico approach to analyze fluid dynamics in chemical engineering processes. This review paper explores the transformative role of CFD, examining its impact on various aspects of chemical engineering, inc

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Schierholz, W. F., and N. Gilbert. "Computational Fluid Dynamics (CFD)." Chemie Ingenieur Technik 75, no. 10 (2003): 1412–14. http://dx.doi.org/10.1002/cite.200303306.

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Mannan, Mohammed Abdul, and Dr Md Fakhruddin H. N. "Computational Fluid Dynamics in Coronary and Intra-Cardiac Flow Simulation." International Journal for Research in Applied Science and Engineering Technology 10, no. 7 (2022): 688–93. http://dx.doi.org/10.22214/ijraset.2022.45280.

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Abstract: Computational fluid dynamics (CFD) is a field of mechanical engineering for the analysis of fluid flows, heat transfer, and related phenomena, using computer simulations. CFD is a widely adopted methodology for solving complex problems in many areas of modern engineering. The merits of CFD are the development of new and improved equipment and system designs, and optimizations are performed on existing equipment through simulation, leading to increased efficiency and reduced costs. However, in the biomedical sector, CFD are still emerging. The main reason why CFD in the biomedical fie

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Mallick, Sourav, and Masum Hossain. "Design and Analysis of Cooling Systems for Combustion Chambers in Turbine Engines: A Comparison of Oil and Gas Cooling Fluids." Asian Review of Mechanical Engineering 13, no. 2 (2024): 1–11. https://doi.org/10.70112/arme-2024.13.2.4249.

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This study focuses on the design and analysis of a cooling system for a combustion chamber in a turbine engine. The objective is to compare the cooling performance of oil and gas as cooling fluids using CAD modeling in CATIA and computational fluid dynamics (CFD) simulations in ANSYS Fluent. The design requirements, including cooling rate, pressure drop, temperature requirements, fluid properties, material compatibility, and environmental impact, were defined and incorporated into the CAD model. The CFD simulations were conducted to evaluate the temperature distribution and pressure dynamics w

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Rossano, Viola, and Giuliano De Stefano. "Hybrid VOF–Lagrangian CFD Modeling of Droplet Aerobreakup." Applied Sciences 12, no. 16 (2022): 8302. http://dx.doi.org/10.3390/app12168302.

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A hybrid VOF–Lagrangian method for simulating the aerodynamic breakup of liquid droplets induced by a traveling shock wave is proposed and tested. The droplet deformation and fragmentation, together with the subsequent mist development, are predicted by using a fully three-dimensional computational fluid dynamics model following the unsteady Reynolds-averaged Navier–Stokes approach. The main characteristics of the aerobreakup process under the shear-induced entrainment regime are effectively reproduced by employing the scale-adaptive simulation method for unsteady turbulent flows. The hybrid t

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Journal, IJSREM. "Computational Fluid Dynamics (CFD) Analysis of the Shell and Tube Heat Exchanger by Use of Different NanoFluids." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 01 (2024): 1–10. http://dx.doi.org/10.55041/ijsrem28378.

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Heat exchanger is a device used to transfer heat between one or more fluids. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contact. These exchangers provide true counter-current flow and are especially suitable for extreme temperature crossing, high pressure, high temperature, and low to moderate surface area requirements different Nano partials mixed with base fluids is called Nano fluids and analysed for their performance of Nano fluids by use in the heat exchanger. The Nano fluids are Aluminium Oxide, Silicon Oxide and Titanium carbide.The volume con

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Madana Gopal, Jaya Vignesh, Robert Morgan, Guillaume De Sercey, and Konstantina Vogiatzaki. "Overview of Common Thermophysical Property Modelling Approaches for Cryogenic Fluid Simulations at Supercritical Conditions." Energies 16, no. 2 (2023): 885. http://dx.doi.org/10.3390/en16020885.

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Computational Fluid Dynamics (CFD) frameworks of supercritical cryogenic fluids need to employ Real Fluid models such as cubic Equations of State (EoS) to account for thermal and inertial driven mechanisms of fluid evolution and disintegration. Accurate estimation of the non-linear variation in density, thermodynamic and transport properties is required to computationally replicate the relevant thermo and fluid dynamics involved. This article reviews the availability, performance and the implementation of common Real Fluid EoS and data-based models in CFD studies of supercritical cryogenic flu

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Mas-Peiró, Cristina, Fèlix Llovell Ferret, and Oriol Pou Ibar. "Computational Fluid Dynamic study of gas mixtures in a Non-Thermal Plasma reactor for CO2 conversion with Argon as diluent gas." Afinidad. Journal of Chemical Engineering Theoretical and Applied Chemistry 81, no. 601 (2024): 58–68. http://dx.doi.org/10.55815/424061.

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CO2 utilization has been an emerging technology of increasing global interest due to its direct impact in limiting greenhouse gas emissions. In this contribution, the fluid dynamic behavior of a CO2 conversion non-thermal plasma (NTP) in a dielectric barrier discharge (DBD) reactor is studied through computational fluid dynamics (CFD) simulations. Calculations are provided in conjunction with experimental results and the thermodynamic characterization of the compounds and mixtures involved. This CFD study utilizes a well-established methodology that allows the optimization of fluid flow

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Li, J., J. Zhang, J. Miao, J. Ma, and W. Dong. "Application of computational fluid dynamics (CFD) to ozone contactor optimization." Water Supply 6, no. 4 (2006): 9–16. http://dx.doi.org/10.2166/ws.2006.905.

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Many approaches have been used to model the performance and efficiency of ozone contactors based on some assumptions to characterize the backmixing in fluids. Recently, computational fluid dynamics (CFD) technique has been proposed to simulate and optimize ozone contactors by calculating residence time distribution of fluid. To improve the ozone contactor performance of Bijianshan Water Treatment Plant in Shenzhen in South China, CFD was used for simulation and development of new optimization measures. Results showed that the low depth/length ratio of the contactor chambers in the original des

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Pouraria, Hassan, Dalong Gao, and Sheldon Wang. "Computational Analysis of Entry-Region Flow Dynamics for Giesekus Fluids in Tubes." Processes 13, no. 5 (2025): 1587. https://doi.org/10.3390/pr13051587.

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The accurate estimation of the entry length required for a flow in a tube to transition from a uniform velocity profile to a fully developed state is crucial in many industrial processes. Although viscoelastic fluids are widely utilized in industrial processes, most studies have concentrated on inelastic fluids. This study employed computational fluid dynamics (CFD) to analyze the developing flow of viscoelastic fluids in a circular tube. An axisymmetric computational domain was employed along with the Giesekus model to represent the viscoelastic fluid flow. The Log Conformation Technique (LCT

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Gibbons, Melissa M., Dillon Muldoon, and Imane Khalil. "Demonstrating the Kelvin-Helmholtz Instability Using a Low-Cost Experimental Apparatus and Computational Fluid Dynamics Simulations." Fluids 8, no. 12 (2023): 318. http://dx.doi.org/10.3390/fluids8120318.

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A Kelvin-Helmholtz instability is formed when two fluids of different densities exert a shear on one another at their interface when flowing in opposite directions. This paper presents a step-by-step guide for the design of a low-cost, small-scale, experimental tilt tube apparatus and a corresponding computational fluid dynamics (CFD) model that can be used to introduce the Kelvin-Helmholtz instability to undergraduate mechanical engineering students in several courses. A thermal-fluids laboratory course is taken by our fourth-year mechanical engineering students, and the overall variety of ex

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Madhu, S., P. Murali, R. Ramasai, M. Venkat Vardhan, and K. Bhanu Prakash. "Computational Fluid Dynamics (CFD) Analysis of A Go-Kart." International Journal of Research Publication and Reviews 5, no. 11 (2024): 3418–24. http://dx.doi.org/10.55248/gengpi.5.1124.3262.

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Drikakis, Dimitris, Michael Frank, and Gavin Tabor. "Multiscale Computational Fluid Dynamics." Energies 12, no. 17 (2019): 3272. http://dx.doi.org/10.3390/en12173272.

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Computational Fluid Dynamics (CFD) has numerous applications in the field of energy research, in modelling the basic physics of combustion, multiphase flow and heat transfer; and in the simulation of mechanical devices such as turbines, wind wave and tidal devices, and other devices for energy generation. With the constant increase in available computing power, the fidelity and accuracy of CFD simulations have constantly improved, and the technique is now an integral part of research and development. In the past few years, the development of multiscale methods has emerged as a topic of intensi

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Siow, C. L., Jaswar, and Efi Afrizal. "Computational Fluid Dynamic Using Parallel Loop of Multi-Cores Processor." Applied Mechanics and Materials 493 (January 2014): 80–85. http://dx.doi.org/10.4028/www.scientific.net/amm.493.80.

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Computational Fluid Dynamics (CFD) software is often used to study fluid flow and structures motion in fluids. The CFD normally requires large size of arrays and computer memory and then caused long execution time. However, Innovation of computer hardware such as multi-cores processor provides an alternative solution to improve this programming performance. This paper discussed loop parallelize multi-cores processor for optimization of sequential looping CFD code. This loop parallelize CFD was achieved by applying multi-tasking or multi-threading code into the original CFD code which was devel

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Denton, J. D., and W. N. Dawes. "Computational fluid dynamics for turbomachinery design." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 213, no. 2 (1998): 107–24. http://dx.doi.org/10.1243/0954406991522211.

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Computational fluid dynamics (CFD) probably plays a greater part in the aerodynamic design of turbomachinery than it does in any other engineering application. For many years the design of a modern turbine or compressor has been unthinkable without the help of CFD and this dependence has increased as more of the flow becomes amenable to numerical prediction. The benefits of CFD range from shorter design cycles to better performance and reduced costs and weight. This paper presents a review of the main CFD methods in use, discusses their advantages and limitations and points out where further d

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Yeo, Hyeonsoo, Mark Potsdam, and Robert A. Ormiston. "Rotor Aeroelastic Stability Analysis Using Coupled Computational Fluid Dynamics/Computational Structural Dynamics." Journal of the American Helicopter Society 56, no. 4 (2011): 1–16. http://dx.doi.org/10.4050/jahs.56.042003.

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Computational fluid dynamics/computational structural dynamics (CFD/CSD) coupling was successfully applied to the rotor aeroelastic stability problem to calculate lead–lag regressing mode damping of a hingeless rotor in hover and forward flight. A direct time domain numerical integration of the equations in response to suitable excitation was solved using a tight CFD/CSD coupling. Two different excitation methods—swashplate cyclic pitch and blade tip lead–lag force excitations—were investigated to provide suitable blade transient responses. The free decay transient response time histories were

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van Driel, Michael R. "Cardioplegia heat exchanger design modelling using computational fluid dynamics." Perfusion 15, no. 6 (2000): 541–48. http://dx.doi.org/10.1177/026765910001500611.

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A new cardioplegia heat exchanger has been developed by Sorin Biomedica. A three-dimensional computer-aided design (CAD) model was optimized using computational fluid dynamics (CFD) modelling. CFD optimization techniques have commonly been applied to velocity flow field analysis, but CFD analysis was also used in this study to predict the heat exchange performance of the design before prototype fabrication. The iterative results of the optimization and the actual heat exchange performance of the final configuration are presented in this paper. Based on the behaviour of this model, both the wat

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Pradeep, Shetty* Trupti P.Wani. "COMPUTATIONAL FLUID DYNAMICS SIMULATION OF PROPELLER FAN." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 10 (2016): 560–66. https://doi.org/10.5281/zenodo.160899.

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Cooling appliances growing demand to cool the ambience with high efficiency requires robust condenser unit. The objective of this work is to predict and correlate the mass flow rate of propeller type axial fan used in condenser unit using Computational Fluid Dynamics (CFD) technique. The flow field is simulated with the finite element Computational Fluid Dynamics CFD solver Altair HyperWorks. The three-dimensional computational domain with Spalart-Allmaras turbulence model is considered to predict the mass flow rate. The present computation is carried out for the axial fan speed of 820 rpm for

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Choi, Seongim, Anubhav Datta, and Juan J. Alonso. "Prediction of Helicopter Rotor Loads Using Time-Spectral Computational Fluid Dynamics and an Exact Fluid–Structure Interface." Journal of the American Helicopter Society 56, no. 4 (2011): 1–15. http://dx.doi.org/10.4050/jahs.56.042001.

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The objectives of this paper are to introduce time-spectral computational fluid dynamics (CFD) for the analysis of helicopter rotor flows in level flight and to introduce an exact fluid–structure interface for coupled CFD/computational structural dynamics (CSD) analysis. The accuracy and efficiency of time-spectral CFD are compared with conventional time-marching computations. The exact interface is equipped with an exact delta coupling procedure that bypasses the requirement for sectional airloads. Predicted loads are compared between time-spectral and time-marching CFD using both interfaces

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Paternina-Verona, Duban A., Oscar E. Coronado-Hernández, Vicente S. Fuertes-Miquel, Alfonso Arrieta-Pastrana, and Helena M. Ramos. "Two-Dimensional Analysis of Air–Water Interaction in Actual Water Pipe-Filling Processes." Water 17, no. 2 (2025): 146. https://doi.org/10.3390/w17020146.

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This paper investigates air–water interactions during a controlled filling process of an actual water pipeline using a two-dimensional Computational Fluid Dynamics (CFD) model. The main objectives are to understand the dynamic interaction of these fluids through water inflow patterns, pressure pulses, and air-pocket dynamics based on contours. This study uses an existing cast iron pipeline 485 m in length, a nominal diameter of 400 mm, and an air valve with a nominal diameter of 50 mm. The methodology of this CFD model includes the Partial Volume of Fluid (pVoF) method for air–water interface

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Zamora, Blas, Antonio S. Kaiser, and Pedro G. Vicente. "Improvement in Learning on Fluid Mechanics and Heat Transfer Courses Using Computational Fluid Dynamics." International Journal of Mechanical Engineering Education 38, no. 2 (2010): 147–66. http://dx.doi.org/10.7227/ijmee.38.2.6.

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This paper is concerned with the teaching of fluid mechanics and heat transfer on courses for the industrial engineer degree at the Polytechnic University of Cartagena (Spain). In order to improve the engineering education, a pedagogical method that involves project-based learning, using computational fluid dynamics (CFD), was applied. The project-based learning works well for mechanical engineering education, since it prepares students for their later professional training. The courses combined applied and advanced concepts of fluid mechanics with the basic numerical aspects of CFD, including

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El Hassan, Mouhammad. "Numerical Characterization of the Flow Dynamics and COP Estimation of a Binary Fluid Ejector Ground Source Heat Pump Cooling System." Fluids 7, no. 7 (2022): 250. http://dx.doi.org/10.3390/fluids7070250.

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Ejector-based refrigeration systems can make direct use of many forms of thermal energy, such as solar thermal, waste heat, biogas, or natural gas. The present paper describes the estimation of the thermal coefficient of performance (COP) of a binary fluid ejector ground source heat pump (BFE GSHP) cooling system. A method for fluid selection was defined based on the favorable thermo-physical properties of the working fluids. A short list of fluid pairs were selected based on their favorable properties for the BFE GSHP cooling system. Computational Fluid Dynamics (CFD) investigation was conduc

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Wilczyński, Krzysztof, Andrzej Nastaj, Adrian Lewandowski, Krzysztof J. Wilczyński, and Kamila Buziak. "Fundamentals of Global Modeling for Polymer Extrusion." Polymers 11, no. 12 (2019): 2106. http://dx.doi.org/10.3390/polym11122106.

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A review paper is presented on modeling for polymer extrusion for both single screw and twin-screw extrusion. An issue of global modeling is discussed, which includes modeling for solid conveying, melting, melt flow, and co-operation of the screw/die system. The classical approach to global modeling of the extrusion process, which is based on separate models for each section of the screw, i.e., solid transport section, melting and pre-melting sections, and the melt flow section is presented. In this case, the global model consists of the elementary models. A novel continuous concept of global

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Mehta, U. B. "Some Aspects of Uncertainty in Computational Fluid Dynamics Results." Journal of Fluids Engineering 113, no. 4 (1991): 538–43. http://dx.doi.org/10.1115/1.2926512.

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Uncertainties are inherent in computational fluid dynamics (CFD). These uncertainties need to be systematically addressed and managed. Sources of these uncertainties are identified and some aspects of uncertainty analysis are discussed. Some recommendations are made for quantification of CFD uncertainties. A practical method of uncertainty analysis is based on sensitivity analysis. When CFD is used to design fluid dynamic systems, sensitivity-uncertainty analysis is essential.

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Gou, Mengjiao, Bohua Liu, Xiaomao Sun, and Yuli Ma. "Computational fluid dynamics grid technology development." Frontiers in Computing and Intelligent Systems 1, no. 3 (2022): 61–64. http://dx.doi.org/10.54097/fcis.v1i3.2110.

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This paper reviews the development of computational fluid dynamics, especially computational aerodynamics. This paper summarizes the achievements of CFD in grid technology, analyzes the existing problems and perplexities, and prospects its development trend. The CFD grid technology includes structured grid, unstructured grid, hybrid grid and overlapping grid.

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Bao, Henry. "Airfoil design with computational fluid dynamics." Theoretical and Natural Science 11, no. 1 (2023): 7–17. http://dx.doi.org/10.54254/2753-8818/11/20230368.

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In many industries, there is a need to model the flow of air over structural components. With sufficient information from these models, engineers can better implement these parts into a complete design. The purpose of this paper is to provide a model of specific airfoils using computational fluid dynamics (CFD). With computational fluid dynamics, the characteristics of air around an airfoil can be modeled, providing useful data to engineers who could be designing an airfoil or airplane. The CFD calculations are performed using Python, along with the two packages Numpy and Matplotlib. The gover

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Halas, Dragan, Oskar Bera, Radovan Omorjan, Aleksandar Rajic, and Danijela Jasin. "Analysis of new forms of orifice plates using computational fluid dynamics." Chemical Industry 73, no. 5 (2019): 311–23. http://dx.doi.org/10.2298/hemind190722030h.

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In many technologies, such as process industry or water supply, there is a need to measure fluid flowrates. Orifice plates are the most common instruments for measuring the fluid flowrate through pipelines due to their many advantages. On the other side, their use increases operating costs of industrial plants and pipelines. In this work, three new forms of orifice plates were designed and tested. These new forms and one standard, which served as a reference, were designed by using the SolidWorks software package. The aim of the new designs was energy savings, and consequently reduction of ope

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Fang, Jun, Yifei Cui, Xinyue Li, and Hui Tang. "Numerical investigation of particle dynamic behaviours in geophysical flows considering solid-fluid interaction." E3S Web of Conferences 415 (2023): 01007. http://dx.doi.org/10.1051/e3sconf/202341501007.

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Solid-fluid interaction vitally influences the flow dynamics of particles in a geophysical flow. A coupled computational fluid dynamics and discrete element method (CFD-DEM) is used in this study to model multiphase geophysical flow as a mixture of fluid and solid phases. The two non-Newtonian fluids (i.e., Bingham and Hershcel-Bulkley fluids) and water mixed with particles are considered in the simulation, while dry granular flow with the same volume is simulated as a control test. Results revealed that the solid-fluid interaction heavily governs the particle dynamic behaviours. Specifically,

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Carnero, Bastián, Carmen Bao-Varela, Ana Isabel Gómez-Varela, Sylvana Varela Ballesta, Bruno K. Rodiño-Janeiro, and María Teresa Flores-Arias. "Straight micromixer manufacturing combining stereolithography and pulsed laser ablation and simulation - INVITED." EPJ Web of Conferences 287 (2023): 09020. http://dx.doi.org/10.1051/epjconf/202328709020.

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Achieving efficient mixing of fluids is a great challenge in microfluidics that has been addressed using microstructures. In this work, Stereolithography (SLA) and Pulsed Laser Ablation (PLA) were combined to manufacture a straight micromixer for uniform mixing of fluids. Computational Fluid Dynamics (CFD) simulation was performed to test the device. The results suggest that the combination of these optical technologies can be an effective method for fabricating microfluidic devices with great mixing capabilities.

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Fisher, E. H., and N. Rhodes. "Uncertainty in Computational Fluid Dynamics." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 210, no. 1 (1996): 91–94. http://dx.doi.org/10.1243/pime_proc_1996_210_173_02.

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The Annual EPSRC/IMechE Expert Meeting brought together some 44 experts to consider sources of uncertainty in computational fluid dynamics (CFD). Presentations and discussions covered modelling, numerical solution techniques, boundary conditions, evaluation protocols and QA (quality assurance) procedures. The principal conclusions to emerge were: (a) the need for additional collaborative validation studies; (b) the desirability of introducing appropriate QA procedures, possibly based on the CFD Community Club initiative; (c) the need for additional postgraduate training, possibly based on the

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Kang, Hyoeun, Yongsu Kim, Thi-Thu-Huong Le, et al. "A new fluid flow approximation method using a vision transformer and a U-shaped convolutional neural network." AIP Advances 13, no. 2 (2023): 025233. http://dx.doi.org/10.1063/5.0138515.

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Numerical simulation of fluids is important in modeling a variety of physical phenomena, such as weather, climate, aerodynamics, and plasma physics. The Navier–Stokes equations are commonly used to describe fluids, but solving them at a large scale can be computationally expensive, particularly when it comes to resolving small spatiotemporal features. This trade-off between accuracy and tractability can be challenging. In this paper, we propose a novel artificial intelligence-based method for improving fluid flow approximations in computational fluid dynamics (CFD) using deep learning (DL). Ou

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Temkar, Prasad, Yoko Kato, Yasuhiro Yamada, and Ahmed Ansari. "Is there a role for computational fluid dynamics (CFD) in neurovascular compression syndrome?" Romanian Neurosurgery 32, no. 2 (2018): 290–96. http://dx.doi.org/10.2478/romneu-2018-0035.

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Abstract Introduction - CFD uses complex algorithms to predict flow of fluids through a tube & also predicts its impact on walls. It is increasingly being used for prediction of aneurysmal wall thickness, flow, wall shear stress and to decide clip strategy. This is an experimental study, which analyses use of CFD in neurovascular compression syndrome and probable future applications. We analysed CFD findings in 12 cases retrospectively to know fluid dynamics of vessels and its implications. Methodology - Twelve patients - 7 cases of trigeminal neuralgia and 5 of hemifacial spasm who were t

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Shinde, Sunil. "Material Selection for Shell and Tube Heat Exchanger Using Computational Fluid Dynamics Method." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 05 (2025): 1–9. https://doi.org/10.55041/ijsrem48289.

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The Shell and Tube Heat Exchanger (STHE) is a critical component in industrial applications, designed to facilitate heat exchange between two fluids. Typically assembled from a bundle of round tubes within a cylindrical shell, the STHE’s performance is influenced by material choice and structural design. This study investigates the impact of different materials (aluminium, steel, and copper) and baffle configurations five baffles on heat transfer efficiency. Using Computational Fluid Dynamics (CFD) simulations in ANSYS FLUENT, temperature distribution, heat transfer rate, and pressure drop wer

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Gonzales, Howell B., John Tatarko, Mark E. Casada, Ronaldo G. Maghirang, Lawrence J. Hagen, and Charles J. Barden. "Computational Fluid Dynamics Simulation of Airflow through Standing Vegetation." Transactions of the ASABE 62, no. 6 (2019): 1713–22. http://dx.doi.org/10.13031/trans.13449.

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Abstract. Maintaining vegetative cover on the soil surface is the most widely used method for control of soil loss by wind erosion. We numerically modeled airflow through artificial standing vegetation (i.e., simulated wheat plants) using computational fluid dynamics (CFD). A solver (simpleFoam within the OpenFOAM software architecture) was used to simulate airflow through various three-dimensional (3D) canopy structures in a wind tunnel, which were created using another open-source CAD geometry software (Salomé ver. 7.2). This study focused on two specific objectives: (1) model airflow throug

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Patil, Digambar, and Sachin Kadam. "Basics of computational fluid dynamics: An overview." IOP Conference Series: Earth and Environmental Science 1130, no. 1 (2023): 012042. http://dx.doi.org/10.1088/1755-1315/1130/1/012042.

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Abstract Computational fluid dynamics (CFD) deals with equations that control fluid motion. CFD has several applications in diverse technical domains. In this review paper, a discussion was made on the basics of CFD and its applications in multiple domains. To tackle the fluid problem, CFD has some said procedure that needs to be followed to arrive at the solution step. The first step is to write down a mathematical equation for fluid flow. These mathematical equations are a set of partial derivatives. Discretizing is the next step to deriving this equation concerning numerical equivalent. Aft

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Shadabkhan, A. Pathan, and Yadav Sanjay. "Computational Fluid Dynamics Analysis on Performance of Heat Transfer in Shell and Tube Heat Exchanger using Nano Fluids." Research and Applications of Thermal Engineering 6, no. 1 (2023): 1–4. https://doi.org/10.5281/zenodo.7638528.

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<em>The simulations are carried out numerically to find out the effects like coefficient of heat transfer and pressure drop by using CFD. The heat transfer coefficient, pressure drop, overall heat transfer coefficient and performance factors are obtained. The CFD results of heat transfer coefficient, pressure drop and overall heat transfer coefficient are observed and compared with the experimental results. The transfer of heat to fluids and from fluids is vital between the basic operations in the industries. Heat exchangers enable efficient heat transfer between two mediums. In this way the t

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Nor Azwadi Che Sidik, Dwi Fitria Al Husaeni, and Asep Bayu Dani Nandiyanto. "Correlation Between Computational Fluid Dynamics (CFD) and Nanotechnology." Journal of Advanced Research in Micro and Nano Engieering 21, no. 1 (2024): 16–40. http://dx.doi.org/10.37934/armne.21.1.1640.

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This research aims to find the relationship between Computational Fluid Dynamics (CFD) and nanotechnology and carry out bibliometric analysis to determine research trends in CFD and nanotechnology. This research used bibliometric analysis methods. The keywords used are "Computational Fluid Dynamics (CFD)" and "Nanotechnology". The data processing and analysis are carried out quantitatively based on the principles of bibliometric analysis. The search results show that the year range for research publication articles on CFD and Nanotechnology used is from 2001 - 2024 with a total of 193 document

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Ellam, D. J., W. A. Bullough, and R. J. Atkin. "Modelling the flow of an electrostructured fluid in transient operation." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 219, no. 1 (2005): 61–75. http://dx.doi.org/10.1243/095765005x6890.

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This paper is primarily concerned with the feasibility of modelling the flow of electro-structured fluids (ESFs) by the use of computational fluid dynamics (CFD). The non-steady performance of specimen devices in which power, force, or torque is transmitted via an ESF is predicted. This is achieved by incorporating a Bingham plastic type model into a commercial CFD package. Adequately describing the rheology of these fluids requires the use of several parameters. The presence of plug flow and unsteady terms in the equations of motion adds a certain complexity, and a future view of including he

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HE, JIANKANG, DICHEN LI, YAXIONG LIU, XIAO LI, SHANGLONG XU, and BINGHENG LU. "COMPUTATIONAL FLUID DYNAMICS FOR TISSUE ENGINEERING APPLICATIONS." Journal of Mechanics in Medicine and Biology 11, no. 02 (2011): 307–23. http://dx.doi.org/10.1142/s0219519411004046.

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Hydrodynamic cellular environment plays an important role in translating engineered tissue constructs into clinically useful grafts. However, the cellular fluid dynamic environment inside bioreactor systems is highly complex and it is normally impractical to experimentally characterize the local flow patterns at the cellular scale. Computational fluid dynamics (CFD) has been recognized as an invaluable and reliable alternative to investigate the complex relationship between hydrodynamic environments and the regeneration of engineered tissues at both the macroscopic and microscopic scales. This

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Feder, Judy. "Laboratory Formation Damage Test Data Upscaled With Computational Fluid Dynamics." Journal of Petroleum Technology 73, no. 03 (2021): 63–64. http://dx.doi.org/10.2118/0321-0063-jpt.

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This article, written by JPT Technology Editor Judy Feder, contains highlights of paper SPE 199268, “Upscaling Laboratory Formation Damage Laboratory Test Data,” by Michael Byrne, SPE, Lesmana Djayapertapa, and Ken Watson, SPE, Lloyd’s Register, et al., prepared for the 2020 SPE International Conference and Exhibition on Formation Damage Control, Lafayette, Louisiana, 19-21 February. The paper has not been peer reviewed. Through several case histories, the complete paper demonstrates applications of computational fluid dynamics (CFD) modeling to upscaling of laboratory-measured formation damag

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Abdulmajeed, Basma Abbas, and Hawraa Riyadh Jawad. "CFD Application on Shell and Double Concentric Tube Heat Exchanger." Journal of Engineering 25, no. 2 (2019): 136–50. http://dx.doi.org/10.31026/j.eng.2019.02.09.

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This work is concerned with the design and performance evaluation of a shell and double concentric tubes heat exchanger using Solid Works and ANSY (Computational Fluid Dynamics). Computational fluid dynamics technique which is a computer-based analysis is used to simulate the heat exchanger involving fluid flow, heat transfer. CFD resolve the entire heat exchanger in discrete elements to find: (1) the temperature gradients, (2) pressure distribution, and (3) velocity vectors. The RNG k-ε model of turbulence is used to determining the accurate results from CFD. The heat exchanger de

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Chew, John W., and Nicholas J. Hills. "Computational fluid dynamics for turbomachinery internal air systems." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 365, no. 1859 (2007): 2587–611. http://dx.doi.org/10.1098/rsta.2007.2022.

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Considerable progress in development and application of computational fluid dynamics (CFD) for aeroengine internal flow systems has been made in recent years. CFD is regularly used in industry for assessment of air systems, and the performance of CFD for basic axisymmetric rotor/rotor and stator/rotor disc cavities with radial throughflow is largely understood and documented. Incorporation of three-dimensional geometrical features and calculation of unsteady flows are becoming commonplace. Automation of CFD, coupling with thermal models of the solid components, and extension of CFD models to i

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Hamill, Nathalie. "Streamlining Fluid Dynamics." Mechanical Engineering 120, no. 03 (1998): 76–78. http://dx.doi.org/10.1115/1.1998-mar-1.

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More-intuitive pre-processors and advanced solvers are making computational fluid dynamics (CFD) software easier to use, more accurate, and faster. CFD techniques involve the solution of the Navier-Stokes equations that describe fluid-flow processes. Using MSC/ PATRAN as a starting point, AEA Technology plc, Harwell, Oxfordshire, England, has developed a pre-processor for its software that is fully computer-aided design (CAD)-compatible and works with native CAD databases such as CADDS 5, CATIA, Euclid3, Pro /ENG INEER, and Unigraphics. The simplicity of modeling complex geometries in CFX allo

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Thilmany, Jean. "How Does Your Fluid Flow?" Mechanical Engineering 125, no. 12 (2003): 35–37. http://dx.doi.org/10.1115/1.2003-dec-3.

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This article reviews the method of analyzing fluid flow in structures and designs, which is enjoying a burst of interest. Twenty years later, manufacturers across a myriad of industries are licensing the technology from a pool of vendors who now market computational fluid dynamics (CFD) packages of many stripes. Engineers use CFD to predict how fluids will flow and to predict the quantitative effects of the fluid on the solids with which they are in contact. Airflow is commonly studied with the software. Many mechanical engineers do not need access to all the bells and whistles an advanced CFD

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Akshay Shirsikar, Punam Khatik, Kuldeep Singh, and Lachhi Ram. "Optimized Wiper Design using Computational Fluid Dynamics." ARAI Journal of Mobility Technology 2, no. 4 (2022): 401–10. http://dx.doi.org/10.37285/ajmt.2.4.8.

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This paper presents the robust use of Computational Fluid Dynamics (CFD) techniques as complement to wind tunnel testing for the performance assessment of rain water and wiper wash behavior on windscreen surfaces. The objective of this paper is to predict windscreen wiper design performance and its effectiveness with the help of CFD. Clear visibility to the occupants is the key for stress free and safer driving experience, therefore it is important to study the windscreen wiper system performance under different work load conditions. A multi-phase CFD code is used to simulate rain drops and it

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Asep Koswara and Djoko Karmiadji. "Analisis Perpindahan Panas Fluida Pendingin Nanofluids pada Aftercoller Dengan Computational Fluid Dynamics." Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin 11, no. 3 (2021): 178–85. http://dx.doi.org/10.35814/teknobiz.v11i3.2905.

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Mempertimbangkan meningkatnya permintaan dalam teknologi modern, telah dikembangkan dispersi sejumlah kecil zat padat berukuran nano dalam cairan yang disebut nanofluids yang dapat meningkatkan konduktivitas termal fluida. Karakteristik fluida ini menunjukkan sifat termal yang lebih besar dibandingkan dengan cairan pendingin konvensional untuk aplikasi pemindah panas yang banyak digunakan saat ini. Salah satu jenis nanofluids yang banyak digunakan adalah Al2O3 (alumina). Penelitian ini untuk melihat sejauh mana dampak penggunaan nanofluids pada proses pendinginan udara yang digunakan untuk pro

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