FLUENT - Science topic

This study conducts a comprehensive numerical analysis using Ansys Fluent to investigate the thermal behaviour of transpired solar collectors (TSCs) focusing on temperature distribution, airflow dynamics, and heat recapture capabilities. The research evaluates TSC performance across various environmental conditions. A significant observation from t...

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...

Using ANSYS Fluent software, computational fluid dynamics (CFD) investigations have been performed to estimate gas flow dynamics, temperature distribution and plasma chemistry in a Clamshell type MPCVD cavity. Effect of microwave power on species distribution and growth rate was studied. We have observed a higher growth rate at 3kW power (13.2 micr...

This study presents a comprehensive investigation into the integration of a thermoelectric cooler (TEC) with a serpentine heat exchanger, utilizing both experimental analysis and numerical simulations. Three-dimensional numerical simulations were conducted using a coupled modelling approach that integrates the FLUENT solver, which employs the finit...

Recent technological developments in the field of Additive Manufacturing (AM) provide a number of opportunities for the utilisation of high-performance copper alloys for aerospace applications. The additively manufactured LOx/LNG DemoP1 aerospike engine demonstrator designed by Pangea Aerospace is a characteristic example based on the Direct Metal...

Since time immemorial, solar radiation has been used to hot water in domestic applications. In this study, simulation was used to determine the effectiveness of the water tank and its effect on the time and quantity of hot water supply. The simulation process done by using ANSYS fluent, for a water storage tank, where the water pipe was used as par...

The hot gases produced in the combustion chamber can reach temperatures up to 1600 °C, posing a substantial risk to turbine blades by causing thermal degradation. This damage necessitates frequent maintenance, leading to considerable material waste and requiring significant time and labor. Such issues ultimately reduce turbine efficiency and hinder...

Azerbaijani poetry, which has a thousand-year history, has been constantly updated, accumulating rich poetic experience, enriching itself in form, content, size, form, figurative structure and literary art. Tradition and innovation have always followed each other in poetry, and the development of each period and stage reflected a new poetic thought...

This deep and broad research paper greatly elaborates on the multi-dimensional facets that make Thailand an undeniably premier global tourism destination with its incomparable appeal and distinction. It begins by discussing with care the great and key role of the tourism sector in driving Thailand's national economy to unparalleled heights, while e...

Hydropower offers a means of generating electricity through the conversion of water flow's mechanical energy using rotors. The helical Savonius rotor is recognized as one of the most commonly employed rotor types. An approach employed to boost power output involves the utilization of guiding walls, positioned upstream of the Savonius rotor. In this...

When encountering sequences of familiar words (“serial reading”), skilled readers are thought to take advantage of the presentation format by processing multiple words simultaneously in a “cascaded” manner. This is possible when individual words are read “by sight,” similar to naming letters or digits. Accordingly, previous studies have shown that...

In this study, the focal challenge is reducing drag around the Ahmed body, a critical concern in aerodynamics. The approach involves perforating a rectangular conduit inside the body, redirecting part of the airflow from the front to the rear end to minimize drag. Using Ansys Fluent CFD software and the SST k-w turbulence model, a numerical model f...

Big Data Analysis from the worldwide field shows that lost circulation is a common phenomenon in drilling and the success ratio of remedial treatment for lost circulation is low. It is not only because of these complexities of the formation, but also because of the poor performances of the lost-circulation materials (LCM) and technologies. This pap...

This article discusses the religiosity of employees that affects the positive image of Nirmala Suri Sukoharjo Hospital public relations. Religious activities such as those carried out by the spiritual team of Nirmala Suri Hospital such as routine studies every Friday, dhuha prayers, morning dhikr every day, and during the month of Ramadan perform t...

in: R. Kloepfer (Hrsg.), Bildung und Ausbildung in der Romania (Kongreßakten des Romanistentages 1977), Band II. Sprachwissenschaft und Landeskundes, München (Fink) 1979, 161-176. 1. What is needed is a theory of language developed on the basis of empirical methods. Dieses Postulat von Katz / Fodor (1962, 220) steht natürlich nicht deshalb am Anfan...

This study investigates the thermomechanical behavior of geothermal energy piles, which serve the dual function of providing structural support and facilitating heat exchange with the surrounding ground. The thermal energy transfer is achieved by circulating a working fluid through U-shaped heat exchanger pipes embedded in the pile, enabling coolin...

Akhtar, W. H., Watanabe, C., Tou, Y., Neittaanmäki, P. (2022). A New Perspective on the Textile and Apparel Industry in the Digital Transformation Era. Textiles, 2 (4), 633–656. https://doi.org/10.3390/textiles2040037 Bertola, P., Teunissen, J. (2018). Fashion 4.0. Innovating fashion industry through digital transformation. Research Journal of Text...

The impact of the mushy zone parameter (Amushy) and the chosen numerical model during the solidification of a commercial paraffin-type phase change material (PCM) in a vertical cylinder under T-history conditions was examined through numerical simulations. The cooling process was modeled using three methods implemented in the CFD software ANSYS Flu...

This paper conducts a comprehensive comparison of numerical simulations of turbulent flow in a sharply expanding channel, utilizing the NASA TMR database as a benchmark. Using advanced computational tools, Ansys Fluent and Comsol Multiphysics 6.2, the study focuses on the hydrodynamic behavior of turbulent flows that are influenced by variations in...

This article investigates the historical evolution and the current role of South Asian English (SAE) in the region’s education systems, with a particular focus on its function as a medium of instruction (EMI). By integrating both historical and contemporary insights, the article offers a detailed examination of how SAE has shaped educational practi...

The reason for this service is the introduction of the Computer-Based National Assessment (ANBK) in elementary schools. The implementation of ANBK at the primary school level requires a lot of preparation, including preparing students who are not yet computer-savvy to take computer-based assessments. The purpose of this service is to introduce stud...

Wearable silent speech systems hold significant potential for restoring communication in patients with speech impairments. However, seamless, coherent speech remains elusive, and clinical efficacy is still unproven. Here, we present an AI-driven intelligent throat (IT) system that integrates throat muscle vibrations and carotid pulse signal sensors...

The spiral tube heat exchanger has the advantages of stable structure, high space utilization rate, and strong heat transfer ability. Supercritical carbon dioxide (s-CO2) has the advantages of high thermal conductivity, high specific heat capacity, and low viscosity. When the spiral tube heat exchanger uses supercritical carbon dioxide as the heat...

The presented research introduces the concept of interlanguage, a key term in the study of second language (L2) acquisition, with particular reference to the teaching of Italian as an L2 to Eastern Slavic speakers, especially Russian native speakers. The concept of interlanguage represented an important theoretical innovation in applied linguistics...

We examined the cross-lagged relations between word reading accuracy and fluency in three languages varying in orthographic consistency (English, Dutch and Greek). Five hundred and twenty-one children (172 from Canada, 115 from the Netherlands and 234 from Greece) were followed from the beginning of Grade 1 until the end of Grade 2 and were tested...

The differences in expressive styles between Chinese and Japanese present challenges in achieving accurate and nuanced translation between the two languages. Relying solely on conventional translation techniques often fails to fully convey the intended meaning. By skillfully leveraging the structural and stylistic differences between Chinese and Ja...

The paper is devoted to the analysis of a supersonic nozzle system effect in gas-cooled lances on the technological parameters of slag splashing in an oxygen converter. Simulation calculations were carried out, taking into account the parameters of nozzles used in the technological lines of converter steel plants in Ukraine and Brazil. The problems...

Chinese dialogue generation faces multiple challenges, such as semantic understanding, information matching, and response fluency. Generative dialogue systems for Chinese conversation are somehow difficult to construct because of the flexible word order, the great impact of word replacement on semantics, and the complex implicit context. Existing m...

In the present study, simulations are conducted to investigate the influence of aluminum oxide (Al2O3) nanoparticles in [EMIM][BF4] ionic fluid with different-shaped spinning fins in the receiver tube of parabolic solar trough collector (PTC). Utilization of ionic fluids is emerging as a novel approach in engineering, particularly in heat transfer...

Rechargeable magnesium batteries are regarded as a promising multi‐valent battery system for low‐cost and sustainable energy storage applications. Boron‐based organic magnesium salts with terminal substituent fluorinated anions (Mg[B(ORF)4]2, RF=fluorinated alkyl) have exhibited impressive electrochemical stability and oxidative stability. Neverthe...

Observation of manta rays exiting water has been rarely reported, as there are various difficulties in observing and obtaining data on their behavior in a marine environment. Therefore, the movement mechanism of manta rays exiting water is still unclear. This paper proposes the idea of using CFD (based on Ansys Fluent, version 2022) to simulate the...

This article discusses the religiosity of employees that affects the positive image of Nirmala Suri Sukoharjo Hospital public relations. Religious activities such as those carried out by the spiritual team of Nirmala Suri Hospital such as routine studies every Friday, dhuha prayers, morning dhikr every day, and during the month of Ramadan perform t...

This article is about biography and multidimensional personality of Maulana azad **Maulana Abul Kalam Azad** (1888–1958) was a prominent Indian scholar, freedom fighter, and the first Minister of Education in independent India. He played a crucial role in India's struggle for independence and in shaping the country's educational framework post-inde...

Hitherto unnoticed similarities between two short stories by Gustav Meyrink and two of the most renowned and widely read ghost stories of M.R. James are detailed through comparative literary analysis. Specifically, one early occult horror tale of Meyrink, The Plants of Dr. Cinderella (1905), shows no less than about 15 congruences beneath the plot...

Common designs of workwear drying units require not only energy efficiency but also effective disinfection. One possibility of sanitising clothes during drying is to use the ozone generated inside the drying chamber. This process requires precise management of airflow and a uniform distribution of ozone in the chamber. Therefore, optimising the sha...

The condition for safe operation of technological systems of hazardous production facilities is the correct selection and reliable operation of valves. This paper presents the results of numerical modelling of shut-off valves in dependence on various operating conditions in order to determine their reliable and safe operation. The most common type...

The investigation of aerodynamic properties in multi-element airfoils is historically challenging and impractical for real-time applications. Predicting specific angles to achieve predetermined lift and drag forces has been elusive. Advances in machine learning (ML) and deep learning (DL) offer new possibilities, but their application to multi-wing...

The monograph presents, for the first time comprehensively, the results of the original theory of turbulent premixed flames based on the Kolmogorov hypothesis approach and the model of turbulent premixed and partially premixed combustion, the foundation of which is this theory. This one-dimensional theory, associated with the constant density appro...

Intervention Health4Life: a school-based eHealth intervention targeting multiple health behaviour change (MHBC). Research question Does Health4Life impact secondary outcomes of self-reported intentions regarding six lifestyle behaviours in adolescents (alcohol use, tobacco smoking, screentime, physical activity, discretionary beverage consumption,...

Wind energy is simple and environmentally friendly, it takes the energy of the wind to produce electricity. Wind turbines that have rotor blades connected to generators can efficiently harvest this energy from the wind's motion. The optimization of wind turbine blades is crucial to the success of wind energy technology, beyond the simple mechanical...

Tall buildings face significant challenges due to wind loads. Therefore, it is crucial to accurately assess wind loads in the design of these structures. One effective strategy for tackling this issue is through aerodynamic modifications. This research paper explores the effectiveness of aerodynamic modifications in mitigating wind loads on tall sq...

This work investigates the intricate interplay between particle size and water flow velocity in connection to sedimentation within the sewage systems. The experimental design involves simulating the sedimentation process in a laboratory setup using an 8 inch unplasticized polyvinyl chloride pipe with a controlled slope. Three factors of flow and di...

A wind erosion instrument is a core instrument for collecting sand particles in wind and sand flows and studying the laws of wind and sand movement. To study the influence of the internal structure of the wind erosion instrument on its sand collection efficiency, a built-in louver separation device was designed. Based on CFD and Fluent 2022 softwar...

Inner Mongolia has the largest sheep population among China’s provinces, resulting in the production of a substantial amount of sheep manure. If left untreated, this manure can contribute to environmental pollution. However, sheep manure serves a dual purpose: it can be both a pollutant and a valuable source of organic fertilizer. Consequently, the...

This work’s objective is to investigate the laminar steady flow characteristics of non-Newtonian nano-fluids in a developed chaotic microdevice known as a two-layer crossing channels micromixer (TLCCM). The continuity equation, the 3D momentum equations, and the species transport equations have been solved numerically at low Reynolds numbers with t...

Reading is a complex skill that requires accurate word recognition, fluent decoding, and effective comprehension. Children with dyslexia often face challenges in these areas, resulting in ongoing reading difficulties. This study systematically reviews the use of eye-tracking technology to assess dyslexia, following the Preferred Reporting Items for...

The work presents an analysis of the Gorlov helical turbine (GHT) design using both computational fluid dynamics (CFD) simulations and response surface methodology (RSM). The RSM method was applied to investigate the impact of three geometric factors on the turbine’s power coefficient (CP): the number of blades (N), helix angle (γ), and aspect rati...

This paper presents a methodology for investigating the lubrication characteristics of multi-layer structural mechanical hinges based on clearance dynamics. By multi-layer hinged structures, we mean the four mediums: the journal, lubricating oil film, bearing sleeve, and connecting rod. Initially, a dynamic model that incorporates clearance is esta...

Solar air heaters play a crucial role in distributing heated air at low to medium temperatures. The heart of these systems lies in the absorber plate, which directly absorbs solar heat energy and then efficiently transfers it to the flowing air. However, the challenge lies in achieving optimal thermal efficiency by modifying the absorber plate roug...

Based on the finding that the atomization performance of the nozzle is affected by its structural parameters, a combination of finite element analysis and structural optimization calculations is used. Finite element analysis was performed through the VOF (Volume of Fluid) module of Fluent software to determine the structural parameters affecting th...

Flapping-winged micro aerial vehicles (MAVs) are an innovative approach to indoor flight, useful for reconnaissance. However, challenges remain in improving the maneuverability of these drones in low-speed flight, specifically using wing kinematics for different flight profiles. This work focuses on the plunge motion of the SD7003 airfoil in forwar...

Chad has over 200 local languages plus French and Arabic as its two official languages. All the other languages taught/learnt in the country are seen as foreign ones. Since the early 21st century, of those languages, Chadian learners have been having a strong interest in English, which they see as a developmental tool. However, given the embryonic...

With the rapid advancement of large language models (LLMs), foundational models (FMs) have seen significant advancements. Healthcare is one of the most crucial application areas for these FMs, given the significant time and effort required for physicians to analyze large volumes of patient data. Recent efforts have focused on adapting multimodal FM...

Renewable energy has provided a stable electricity supply with a guaranteed reduction in CO2 production. There are various types of renewable energy, but wind energy appears to be the least expensive option compared to other renewable energy sources. The current study involves the performance investigation of an H Darrius wind turbine in Ilorin Kwa...

Gandak Hydropower station (GHPS) is located at Nawalparasi of total capacity 15 MW with adjustable blade bulb/tubular turbine with three units of each 5 MW. Huge sand concentration especially during monsoon and over 40 years of operation, turbine components at GHPS are severely eroded. This study aimed to detect the erosion prone section of Kaplan...

This research presents experimental visualizations and numerical analysis of the hydrodynamic instabilities of a non-Newtonian fluid in Taylor-Couette flow when the inner cylinder rotates at uniform velocity and the outer cylinder is stationary. However, the behavior of non- Newtonian fluids within this system introduces complexities that have not...

INTRODUCTION Interventions to treat speech‐language difficulties in primary progressive aphasia (PPA) often use word accuracy as a highly comparable outcome. However, there are more constructs of importance to people with PPA that have received less attention. METHODS Following Core Outcome Set Standards for Development Recommendations (COSSTAD),...

Minimum quantity lubrication (MQL) technology offers cooling and lubrication for material cutting by atomizing cutting oil through high-pressure gas and injecting it into the cutting zone. The improvement in cutting performance is often associated with the droplet size, density, and velocity generated by the MQL device. Ultrasonic vibration-assiste...

In order to solve the problem of gas overrun in the fully mechanized caving face and the upper corner of high gas and extra-thick coal seam, the fracture and caving process of the roof in the goaf is analyzed and studied by using the relevant theories of fracture mechanics and seepage mechanics. The mathematical model of fracture and caving of the...

Parts with undercuts or hollow sections exploit the maximum lightweight potential due to efficient material usage. However, such geometries are often challenging to produce with ordinary tooling technology, especially in aluminum high-pressure die casting (HPDC). In order to close this gap, this paper investigates flax fiber-reinforced salt made by...

Expansion deflection (ED) nozzles are being considered in the development of upper stages of launching vehicles because of their altitude compensating characteristics. This paper deals with the design of expansion deflection nozzle by using Gmbit and numerical flow analysis by using computational fluid dynamics code Ansys Fluent. For this purpose n...

To investigate the causes of water leakage in the waterproof hammer air valve and its impact on sustainable water resource management, the DN100 waterproof hammer air valve was taken as the research object. By using the overset grid solution method of ANSYS Fluent 2021 R1 software, the flow field simulation of the waterproof hammer air valve was ca...

Low oxygen volume fraction during the mining process of the working faces can seriously endanger the safety and health of production personnel as well as influence the normal progress of the working faces. In response to the low oxygen problem under the current prevention and control measures in the 010901 working face of Hongshiwan Coal Mine, the...

Background International migrants are vulnerable to sexually transmitted infections, and their flow may accelerate the related virus (e.g., HIV, HCV, and syphilis) transmission. When international migrants enter a new environment, there will be a process of adaptation in all areas of life, and social integration plays an important role in internati...

Dyslexia is a complex reading disorder characterized by difficulties in accurate or fluent word recognition, poor spelling, and decoding abilities. These challenges are not due to intellectual, visual, or auditory deficits. The diagnosis of dyslexia is further complicated by symptom variability, influenced by cultural and personal factors. This stu...

The purpose of writing this community service article is to provide assistance to students in reading Iqro and the Qur'an in order to improve the quality of reading in accordance with the rules of tajwid science. MI Darul Ulum Palangka Raya City has its own challenges, namely that there are still many students who are not fluent in reading Iqro and...

In response to the national “dual-carbon” strategic goals, a dual-mode ocean energy generation device was researched. First, improvements were made to the power generation system and mechanical structure of an oscillating buoy with a radius of 2.5 m, designing a power generation device that utilizes both wave energy and tidal energy. Subsequently,...

Objectives Antibiotic resistance poses a major global public health threat. However, research on this issue is limited, especially among nursing students. This study aims to examine knowledge of antibiotics and antibiotic resistance, antibiotic use, and eHealth literacy in Thailand. Design A cross-sectional study was conducted using an online self...

This paper aims to discuss the internal flow and cavitation characteristics of petal bionic nozzle holes under different injection pressures to improve the atomization effect of methanol. The FLUENT (v2022 R1) software is used for simulation. The Schnerr-Sauer cavitation model in the Mixture multiphase flow model is adopted, considering the evapora...

In today's world, cavitation is one of the most important phenomena in fluid mechanics. A phenomenon in which very small bubbles are created during the flow as the flow moves and the pressure in some areas reaches the under pressure of the saturated vapor, and when these bubbles move and reach areas with higher pressure, they burst and create energ...

With the rapid development of the Internet, the blended teaching model has gradually become more and more popular. In response to this trend, this paper explores how to improve college students oral English skills under the blended teaching mode of online and offline. Moreover, Considering that nowadays many students can only understand knowledge b...

In order to determine the reasonable parameters of high-gas and extra-thick coal seam drainage, considering the factors of the coal seam metamorphic degree, stress condition, gas occurrence state, and permeability dynamic change, the gas desorption, diffusion, and transport process of coal seam gas are analyzed. A secondary distribution model of co...

This research aims to improve the reading skills of students in class 1B of SD Kristen Satya Wacana Salatiga. The subjects in this study are 22 students and the research method used is qualitative. Before carrying out the research, first make observations and the results of the observations show that students are still not fluent in reading, theref...