FLUENT - Science topic

This article focuses on how the new media of architecture corresponds to the architectural society in the 21st century and how the new media of architecture can have an instrumental power in creating a response/attitude to the period. Since the ArchDaily platform is the most prominent representation platform in the field of architecture, it was cho...

Selective laser melting (SLM) is a popular metal additive manufacturing technique that allows the development of new metal matrix nanocomposites by fusing metallic powders with nanoparticles. In the current study, a novel numerical model was proposed to simulate microstructure formation considering local nanoparticle distribution during the SLM pro...

Objective We investigated grandparents' motivations and challenges for grandparent–grandchild outdoor play with their 3‐ to 5‐year‐old grandchildren. Background Outdoor play benefits children's and older persons' mental and physical health. Thus, intergenerational outdoor play could benefit both grandparents and their younger grandchildren. Metho...

In this research, the numerical investigation of the infrasonic flow around the NACA 64A010 airfoil has been done. The generation of geometry and mesh was done using ICEM software and the solution was done by Fluent software. To verify the accuracy of the solution, the lift coefficient in terms of drag angle has been compared with the experimental...

The dust resuspended by tire motion is a key cause of particulate matter pollution. The resuspension of PM2.5 by tires of a two-wheeled electric vehicle was numerically simulated using Fluent under different conditions including different tire speed, wind speed, wind direction. The average pressure on the windward and leeward sides of the tires was...

This chapter discusses the impacts of distance learning during the COVID-19 pandemic on students’ reading development in the early years of elementary school in Brazil and analyzes educational policies that may have mitigated part of these effects. The research focuses on reading assessments carried out in 2021 by CAEd/UFJF and Associação Bem Comum...

Aiming at the problem of insufficient rigidity of the tool system and unbalanced radial force during deep hole machining, this paper designs a deep hole connector using the fluid dynamic pressure lubrication principle. The deep hole connector includes double-bridge strain gauges and tiltable tiles, which can increase the rigidity of the tool system...

This paper presents results from a physical and numerical study of a new type of axial hydraulic turbine with oscillating blades, which is used to utilize wind waves energy. The pilot studies were conducted on a test bench constructed in one of the labs of the “Department of Hydrodynamics and Hydraulic Machines” in the Technical University of Sofia...

This study aimed to identify the extent to which Avichai Adraee employed media frames and propaganda devices to influence the audience’s perceptions. The study relied on the descriptive analytical approach to analyze Adaree’s posts he shared on his Facebook page from 1 April 2022 to 8 May 2022. The researchers developed the content analysis codeboo...

Drawing on models of first language writing and models of second language (L2) oral task performance, this quasi-experimental study investigated the effect of pre-task planning (PTP) on the product of computer-based L2 writing against a no-planning (NP) condition with the total time-on-task controlled for. It also examined the possible influence of...

The volume of the stilling basin can be reduced, energy can be dissipated, and floods can be contained with the help of spillways. The aim of this Computational Fluid Dynamics (CFD) study is to investigate how compound slopes change water flows through spillways. To measure turbulence, the Realizable k-ε model was used, and the multiphase volume of...

Environmental pollution and air quality are increasingly important topics within the areas of Smart City and state regulations. The aim of the article is to present the progress in the design of the emission monitoring system intended for use in non-industry heating appliances in households. The article analyses potential opportunities in aims of i...

IntroductionEarly linguistic background, and in particular, access to language, lays the foundation of future reading skills in deaf and hard-of-hearing signers. The current study aims to estimate the impact of two factors – early access to sign and/or spoken language – on reading fluency in deaf and hard-of-hearing adult Russian Sign Language spea...

Floating vegetation island (FVI) are widely being adopted in various river restoration projects as they can help in decontaminating pollutants. On the other hand, FVI can cause many problems in open channels because they affect the flow movement and flow structure. The knowledge of the hydrodynamic nature of flow in the presence of FVI with varying...

Given the increasing global energy demand, the present study aimed to analyze the influence of bathymetry on the generation and propagation of realistic irregular waves and to geometrically optimize a wave energy converter (WEC) device of the oscillating water column (OWC) type. In essence, the OWC WEC can be defined as a partially submerged struct...

Reading involves many different abilities that are necessary or sufficient conditions for fluent and flawless reading. The absence of one necessary or of all sufficient conditions is a cause of dyslexia. The present study investigates whether too short fixation times and an impaired ability to recognize a string of letters simultaneously are causes...

This paper presents a computational simulation of the inviscid flow at the inlet of a hypersonic vehicle, using the academic version of Ansys/Fluent. The main objective is to apply a mesh convergence methodology, considering a generic hypersonic vehicle geometry with two inlet ramps and capable of flying at 35km altitude and Mach number 7. The anal...

Background Grandparents play a crucial role in providing their families with love, support, and wisdom, often also supporting them in practical and financial ways. The psychosocial effects experienced by grandparents when a grandchild is diagnosed with an illness can be significant, including increased stress, anxiety, grief, and disruptions in the...

To precisely capture the neutronics and thermal hydraulics dynamic response and transformation in reactor research, and provide more accurate fission power and temperature distribution in 3D space, it is necessary to couple the neutronics and thermal hydraulics physical fields together. Coping with the problem, a coupling code was developed, which...

This study addresses a significant research gap related to hydrate formation in subsea gas pipelines, with a specific focus on deposition rates during shutdown scenarios, which has received limited attention in previous studies. Past research has employed various methodologies, including experimental, analytical, and computational fluid dynamics (C...

The thermal properties of Octadecane vary due to the addition of copper oxide (CuO) nanoparticles. The synthesis of two nano‐enhanced phase change material (NEPCM) required the implementation of the two‐step method, using Octadecane as the base phase change material and CuO nanoparticles at 2.5 and 5.0 wt%. The experimental characterization determi...

In view of the floating rectangular aerostatic guideway problem of low load capacity and stiffness, this paper puts forward a kind of closed rectangular aerostatic guideway and its optimized design. Firstly, the analytic calculation formula of a closed rectangular aerostatic guideway was deduced. The use of MATLAB software for the numerical simulat...

In order to improve internal combustion engine power, reduce fuel consumption and decrease emission, the turbocharger is widely used, centrifugal compressor and radial turbine are the basic turbocharger components, any change in their constituents (rotor and stator) geometries would cause a significant performance change. Hence, the design of impel...

Viscose rayon is a natural fabric from regenerated cellulose derived from wood pulp, bamboo, or cotton linters. The viscose rayon industry relies on electricity to generate steam for textile production. This study aims to optimize the 45-ton-per-hour Atmospheric Fluidized Bed Combustion (AFBC) boiler. Its efficiency is 78.16%, lower than the indust...

As the groundwater in karst areas is rich in calcium ions, when the groundwater flows out of the tunnel drainage pipe, calcium carbonate crystals will be precipitated and then adhere to the pipe wall, which will easily cause chemical blockage in the drainage pipe wall, thus affecting the drainage efficiency and leading to the increase of water pres...

Fine dust, represented by Fe-based fine particles and emitted from the production process of the iron and steel industry, is the primary factor causing many diseases represented by industrial pneumoconiosis, and ultra-low dust emission has always been a thorny problem to be solved urgently. To explore the magnetic coagulation effect of Fe-based fin...

Molten salt is an essential topic to study as a working fluid in circulation loop trials. Experimental and computational studies were presented to analyse the phase transition of nitrate salts and provide parameters that could support the consideration of the working fluid in molten salt loop testing. The NaNO 3 salt, KNO 3 salt, and the eutectic m...

Background: Teamwork is one of the competencies necessary for physicians to work effectively in health systems and is a competency that can be developed with simulation in professionals and medicine students. The Team Emergency Assessment Measurement (TEAM) was created to evaluate the non-technical performance of team members during resuscitation e...

The perception of biological motion is an important social cognitive ability. Models of biological motion perception recognize two processes that contribute to the perception of biological motion: a bottom-up process that binds optic-flow patterns into a coherent percept of biological motion and a top-down process that binds sequences of body-postu...

Porous materials represents an alternative solution for cooling channel design. Copper foam structure may increase the heat transfer due to the increased contact area between the coolant and the channel. The capillary effect of pores is also expected to prevent the formation of continuos vapour layer on the heated surface (i.e. boiling crisis) and...

Dyslexia is a specific learning disability that is neurobiological in origin. It is characterized by difficulties with accurate and/or fluent word recognition and by poor spelling and decoding abilities. Teachers may not be very sure about the definition of dyslexia and generally struggle to tell the difference between dyslexic learners and slow le...

The process of underground mining is one of the most complex and hazardous activities. In order to maintain the continuity and efficiency of this process, it is necessary to take measures to reduce this hazard. The paper addresses this issue by presenting a developed methodology for using model studies and numerical simulations to support the proce...

Large language models (LLMs) have achieved amazing successes. They have done well on standardized tests in medicine and the law. That said, the bar has been raised so high that it could take decades to make good on expectations. To buy time for this long-term research program, the field needs to identify some good short-term applications for smooth...

Weirs are one of the types of hydraulic structures in water projects that with different cross section have been widely used as flow measuring, controlling and regulating of upstream water surface for turnouts devices, in conveyance water canals or body of dams. In this study, the hydraulic characteristics of flow over broad-crested weirs including...

In this research, numerical simulations of turbulent flow in a modified parabolic trough solar collector with a novel design of inserted fins along the absorber tube was carried out. The clarity and purpose of incorporating fins into the absorber tube is to improve the efficiency of the heat transfer process. These fins were inserted as repeat sets...

Hausa Ajamī, the use of Arabic alphabet for non-Arabic language writing, has been developed as a form of discourse by Islamic clerics in Hausa city states since the advent of Islam in the region through Malian cleric merchants in the 14th century. Although not widely spread, it nevertheless provided those fluent in its script with a literacy device...

Objectives: CFD investigation to develop a numerical model where the model was employed to analyze the thermal properties of steam condensation with non-condensable gases within a triangular shaped 4-tubes bundle. Materials and Methods: When non-condensable gases are present (NCGs), differences in the heat transfer characteristics of steam condensa...

In micro-electrical discharge machining (micro-EDM) using the non-hollow circular cross-section tool electrode with the side flushing technique, when the aspect ratio of machined micro-hole is expected to be further increased, the discharge debris expelling speed and the working fluid renewal efficiency are weakened, which hinders the improvement o...

Recently, climate governance has entered a new phase of accelerating decarbonization. In order to achieve low-carbon buildings, natural ventilation has been widely used as it requires no fan power. However, there are great challenges for achieving effective natural ventilation in large-space public buildings especially in areas characterized by hot...

This study models the parabolic trough collector (PTC) to assess the efficiency and heat flux distribution at the cylindrical receiver tube's outer wall. The algorithm used is Monte Carlo Ray Tracing (MCRT). A few authors have published the equations and their methods for building the MCRT-based algorithm. This work shows a simple and straightforwa...

The present research deals with various parameters associated with the hydrodynamics of an OWC device positioned over the stepped bottom. The problem is solved using the multiphase based CFD technique in ANSYS Fluent software. A piston type wavemaker and dynamic meshing technique are employed to produce the incident wave inside the numerical wave t...

In order to study the temperature variation and flow characteristics in the twin-screw reactive extrusion process of synthetizing glycidyl azide polymer-based energetic thermoplastic elastomer (GAP-ETPE), a non-isothermal simulation and a safety analysis were carried out. Firstly, based on the synthesis principle of GAP-ETPE, a mechanical sensitivi...

This study aimed to translate, adapt, and present the first evidence of content validity and internal structure of the Brazilian version of the Contest Orientation Scale. To this end, three studies were conducted. The first study was the translation of the items of the scale and adaptation to the Brazilian sports context, considering cultural and t...

У статті представлено результати адаптації та стандартизації методу Семантичного диференціалу (Ч.Осгуд). Метою статті була адаптація україномовної версії методу Семантичного диференціалу та визначення можливостей його використання у подальших психологічних дослідженнях. З метою змістовної валідизації адаптованої версії методики Семантичного диферен...

Alessio Lo Giudice’s Il dramma del giudizio is certainly a book worth reading. It is fluent, at times compelling, and enriched by literary references. There are two visual angles from which to look at this book. The first is to explore the idea that judgment embodies the essential aspect of law. The second angle of view consists in deepening the dr...

This work primarily investigates the performance and structural integrity of the Wells turbines for power production in coastal locations and their associated unmanned vehicles. An innovative design procedure is imposed on the design stage of theWells turbine and thus so seven different models are generated. In the first comprehensive investigation...

ABSTRACT The volume of the stilling basin can be reduced, energy can be dissipated, and floods can be contained with the help of spillways. The aim of this Computational Fluid Dynamics (CFD) study is to investigate how compound slopes change water flows through spillways. To measure turbulence, the Realizable k-ε model was used, and the multiphase...

Based on the real-scale NREL 5MW wind turbine as the analysis object, combined with the TLP floating platform, using the CFD software fluent and the Volume of Fluid (VOF) multiphase flow model, this paper simulates and analyzes the aerodynamic characteristics of the TLP floating offshore wind turbine under the wind and wave conditions by applying s...

The Qiroati method is a method of learning to read the Koran which directly practices tart reading in accordance with the qoidah of practical recitation. One of the obstacles in the process of learning to read the Koran in general is that the teacher does not use the method, only reads normally. Therefore there are still some students who are not f...

In order to improve the flight of bionic ornithopter based on hand throwing, a medium-sized bionic ornithopter with foldable wings and its ejection device are designed. The three-dimensional model of the ornithopter and the gun is established, and the aerodynamic performance of the system is analyzed by fluent software. The system device carried ou...

To reveal the working principle and internal flow field law of the grading machine, the numerical simulation of the gas-solid two-phase flow field was carried out. In this paper, the numerical simulation method based on Fluent is used to obtain the internal velocity distribution and pressure distribution of the grading machine. The flow field of ga...

This study focuses on the fluid flow behavior of three-dimensional unsteady cavitating flow on MHKF-180s hydrofoil at an angle of attack 11◦ with cavitation number ranging from 0.1 to 1.2. The numerical investigation for this study is carried out in Ansys Fluent. For this purpose, the Zwart-Gerber-Belamri (ZGB) model for cavitation with the RNG k −...

A heat exchanger is an important component where high-temperature hot air and normal-temperature water exchange heat. The heat exchange area of the finned tube heat exchanger is calculated by the rated working conditions. However, with the decrease of the heat storage temperature, the hot air temperature at the outlet of the thermodynamic energy st...

Introduction Speech production involves neurological planning and articulatory execution. How speakers prepare for articulation is a significant aspect of speech production research. Previous studies have focused on isolated words or short phrases to explore speech planning mechanisms linked to articulatory behaviors, including investigating the ey...

Remotely Operated Vehicle (ROV) has been widely used in numerous underwater exploration applications such as exploration of complex deep sea environment, pipeline detection, installation, maintenance, and repair. Thus, it is worthy to design, optimize, and performance evaluation of ROV systems for underwater exploration purposes. Computational Flui...

In arrange to consider the morphology of the weld seam of 2219 aluminium alloy electron beam welding as well as to obtain a well-formed welded joint, FLUENT software was adopted to electron beam welding numerically simulate the temperature field of 10 mm thick 2219 aluminium alloy. Along with the welding, the keyhole and temperature field of the mo...

Learning English in class X Alam-1 SMA Negeri 3 Atambua specifically on the subject of reading, less attractive to students. As many as 20 students in the class generally did not dare to read the text, mispronounced words, were not fluent in reading and had low ability in translating texts. Responding to this problem, learning improvements are carr...

Pemeliharaan pembersihan permukaan luar fin-tube pada air-cooled heat exchanger dilakukan untuk menjaga performa agar tidak terganggu. Penurunan performa terjadi karena pengendapan zat pengotor berupa debu di permukaan luar fin-tube. Debu terakumulasi di atas sirip dan di antara sirip, debu terkumpul dalam bentuk bubuk halus dan bila terkena air da...

This study aims to design a new hybrid twin autonomous underwater vehicle (HTAUV) consisting of dual cylinder hulls and analyze its pitching motion. The kinematic model for the HTAUV is established, followed by the execution of hydrodynamic simulation CFD of the HTAUV using Ansys Fluent. These simulations are conducted to obtain the hydrodynamic fo...

The hydraulic ram pump or hydram is a machine capable of lifting water to a hydraulic head higher than the level of the supply source. It is a sustainable and self-sufficient device: the working principle is based on the rise of abrupt pressure variations occurring in the feeding pipeline when the liquid inside it undergoes a locally sharp change i...

This research was motivated by the learning difficulties experienced by class IA students at SDN Teluk Pucung VI Kota Bekasi in the initial reading material. This study is aimed to determine the ability of students for beginning reading and the types of difficulties faced by students in beginning reading. The method used in this research is a quali...

Indirect active tray solar dryer was designed, CFD simulated, and constructed for the drying of banana in Addis Ababa, Ethiopia. The experimental investigation was done after the CFD ANSYS Fluent simulation of different parameters based on the uniformity temperature and air flow distributions on the symmetry plane. The performance of the designed s...

The present study deals with improving the overall performance of a double-pipe heat exchanger (DPHE). Several configurations were considered to achieve this goal. Each type differs in the fin type that was used, namely longitudinal fins, split longitudinal fins (in in-line and staggered arrangements), and semi-helical fins in three angles (90̊, 18...

In recent years, there have been remarkable advancements in the performance of Transformer-based Large Language Models (LLMs) across various domains. As these LLMs are deployed for increasingly complex tasks, they often face the needs to conduct longer reasoning processes or understanding larger contexts. In these situations, the length generalizat...

Background: To improve the current low per capita consumption of lentils, this study was aimed firstly at minimizing the anti-nutrient content of two yellow Moroccan and Italian lentil seeds by resorting to the malting process and then at testing the resulting decorticated flours as ingredients in the formulation of gluten-free fresh egg pastas....

Minimum quantity lubrication (MQL) is a sustainable machining process in which oil and air are mixed to form a spray that can be directed to the cutting zone. MQL spray factors like droplet size and velocity and their effect on machining remain unclear, especially when employing diverse oils and operating settings. Mist formation factors determine...

Sloshing refers to a certain kind of fluid movement that changes as it progresses. It possesses properties that are both nonlinear and exceedingly unpredictable, and these properties affect the tank wall. This effect may lead to structural wear, which in turn can cause the tank to fail. Benzene and gasoil liquids are used to test the effect of sl...

In recent years, sight translation (SiT), the oral translation of a written text, has received little attention in the sphere of translator training. Rather, this practice has been almost exclusively studied within the framework of interpreting. Yet, based on the examination of the master’s programs in translation (Giancola, 2022) recognized by the...

Introduction The ability to reason about equations in a robust and fluent way requires both instrumental knowledge of symbolic forms, syntax, and operations, as well as relational knowledge of how such formalisms map to meaningful relationships captured within mental models. A recent systematic review of studies contrasting the Cuisenaire-Gattegno...

In this study, fluid flow predictions using three different methods were compared: DeepCFD, an artificial intelligence code; computational fluid dynamics (CFD) with Ansys Fluent and openFoam; and two-dimensional, two-component particle image velocimetry (PIV) measurements. The airfoils under investigation were the NACA 0012 with a 10° angle of atta...

Enhancing the efficiency of traditional solar air heaters with reduced thermal performance can be accomplished by integrating small perforated baffles on the airflow side of the heat-absorbing plate. This article presents the results of a comparative investigation that utilizes both analytical and numerical approaches. The research involves showcas...