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127 Results Found

  • Review
  • Open Access
18 Citations
8,606 Views
27 Pages

Occam’s Razor for Big Data? On Detecting Quality in Large Unstructured Datasets

  • Birgitta Dresp-Langley,
  • Ole Kristian Ekseth,
  • Jan Fesl,
  • Seiichi Gohshi and ,
  • Marc Kurz and
  • Hans-Werner Sehring
  • + 1 author+ 0 author

29 July 2019

Detecting quality in large unstructured datasets requires capacities far beyond the limits of human perception and communicability and, as a result, there is an emerging trend towards increasingly complex analytic solutions in data science to cope wi...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
2 Citations
1,413 Views
13 Pages

Gas Production Prediction Model of Volcanic Reservoir Based on Data-Driven Method

  • Haijie Zhang,
  • Junwei Pu,
  • Li Zhang,
  • Hengjian Deng and ,
  • Jihao Yu,
  • Yingming Xie,
  • Xiaochang Tong,
  • Xiangjie Man and
  • Zhonghua Liu
  • + 4 authors+ 0 author

31 October 2024

Based on on-site construction experience, considering the time-varying characteristics of gas well quantity, production time, effective reservoir thickness, controlled reserves, reserve abundance, formation pressure, and the energy storage coefficien...

(This article belongs to the Special Issue New Advances in Oil, Gas and Geothermal Reservoirs: 2nd Edition)
  • Article
  • Open Access
1 Citations
4,450 Views
10 Pages

18 February 2022

The study’s main aim was to predict the penetrant residual velocity, with it being a vital output parameter in the projectile target interaction. The ballistics have been probed on a wide spectrum of impact velocities for different applications...

(This article belongs to the Section Energy System Design)
  • Article
  • Open Access
6 Citations
3,139 Views
16 Pages

26 September 2023

A data-driven method, the truncated LS-SVM, is proposed for estimating the nondimensional hydrodynamic coefficients of a nonlinear manoeuvring model. Experimental data collected in a shallow water towing tank are utilized in this study. To assess the...

(This article belongs to the Special Issue Maritime Autonomous Surface Ships)
  • Article
  • Open Access
8 Citations
4,778 Views
35 Pages

Evolution of Velocity Field and Vortex Structure during Run-Down of Solitary Wave over Very Steep Beach

  • Chang Lin,
  • Wei-Ying Wong,
  • Ming-Jer Kao,
  • Ching-Piao Tsai and ,
  • Hwung-Hweng Hwung,
  • Yun-Ta Wu and
  • Rajkumar V. Raikar
  • + 2 authors+ 0 author

23 November 2018

An experimental results on the spatio-temporal variation of velocity field and vortex structure, generated from the separated boundary layers on the offshore side of the still-water shoreline, during the run-down process of non-breaking solitary wave...

(This article belongs to the Section Hydraulics and Hydrodynamics)
  • Article
  • Open Access
  • Best Paper Award
25 Citations
5,405 Views
35 Pages

Laboratory Models of Planetary Core-Style Convective Turbulence

  • Emily K. Hawkins,
  • Jonathan S. Cheng,
  • Jewel A. Abbate,
  • Timothy Pilegard and ,
  • Stephan Stellmach,
  • Keith Julien and
  • Jonathan M. Aurnou
  • + 2 authors+ 0 author

23 March 2023

The connection between the heat transfer and characteristic flow velocities of planetary core-style convection remains poorly understood. To address this, we present novel laboratory models of rotating Rayleigh–Bénard convection in which...

(This article belongs to the Collection Advances in Turbulence)
  • Article
  • Open Access
1,155 Views
26 Pages

Machine Learning for Fluid-Agnostic Laminar Heat Transfer Predictions Under Supercritical Conditions

  • Luke Holtshouser,
  • Gautham Krishnamoorthy and
  • Krishnamoorthy Viswanathan

16 March 2026

Machine learning was employed to make fluid agnostic laminar heat transfer prediction in supercritical conditions, encompassing three fluids (sCO2, sH2O, sC10H22) representing a wide range of operating conditions. High-fidelity training data, consist...

(This article belongs to the Special Issue 10th Anniversary of Fluids—Recent Advances in Fluid Mechanics)
  • Article
  • Open Access
18 Citations
4,953 Views
18 Pages

20 January 2022

Model-based predictive maintenance using high-frequency in-flight data requires digital twins that can model the dynamics of their physical twin with high precision. The models of the twins need to be fast and dynamically updatable. Machine learning...

(This article belongs to the Special Issue Application of Multidisciplinary Optimization and Artificial Intelligence Techniques to Aerospace Engineering)
  • Article
  • Open Access
3 Citations
2,852 Views
23 Pages

13 September 2022

For the objective of enhancing the heat transfer ability of spray cooling, a single-nozzle open-loop spray cooling experiment platform was established with a data measuring system. Based on the surface heat transfer coefficient obtained from the expe...

(This article belongs to the Topic Cooling Technologies and Applications)
  • Article
  • Open Access
39 Citations
9,730 Views
14 Pages

Open Channel Sluice Gate Scouring Parameters Prediction: Different Scenarios of Dimensional and Non-Dimensional Input Parameters

  • Ali A. Yousif,
  • Sadeq Oleiwi Sulaiman,
  • Lamine Diop,
  • Mohammad Ehteram and ,
  • Shamsuddin Shahid,
  • Nadhir Al-Ansari and
  • Zaher Mundher Yaseen
  • + 2 authors+ 0 author

19 February 2019

The determination of scour characteristics in the downstream of sluice gate is highly important for designing and protection of hydraulic structure. The applicability of modern data-intelligence technique known as extreme learning machine (ELM) to si...

(This article belongs to the Special Issue Water Resources Management Strategy Under Global Change)
  • Article
  • Open Access
14 Citations
5,529 Views
14 Pages

29 June 2018

This paper proposes a procedure for predicting the actual wind speed for flow over complex terrain with CFD. It converts a time-series of wind speed data acquired from field observations into a time-series data of actual scalar wind speed by using no...

(This article belongs to the Collection Wind Turbines)
  • Article
  • Open Access
16 Citations
3,074 Views
13 Pages

14 December 2022

This article describes a two-dimensional steady laminar boundary layer flow and heat mass transfer caused by a non-Newtonian nanofluid due to a horizontally stretching sheet. The non-dimensional parameters take into consideration and regulate the eff...

(This article belongs to the Special Issue Analysis and Applications of Mathematical Fluid Dynamics)
  • Article
  • Open Access
542 Views
26 Pages

3 June 2026

This paper presents a novel, efficient computational framework for the optimisation of the fundamental frequency of multi-layered composite slabs with consideration of uncertainties. The approach is based on Finite Element Method (FEM) data generatio...

(This article belongs to the Special Issue Research on Vibration of Composite Structures)
  • Article
  • Open Access
3 Citations
7,774 Views
17 Pages

The paper presents the setup and analysis of an experimental study on heat transfer of a jet cooled compressor rear cone with adjacent conical housing. The main goal of the paper is to describe the systematic derivation of empirical correlations for...

(This article belongs to the Special Issue Secondary Air Systems in Gas Turbine Engines)
  • Article
  • Open Access
2 Citations
6,424 Views
22 Pages

10 November 2014

This paper investigates a slug-flow expander (SFE) for conversion of high-pressure gas/vapor into kinetic energy of liquid slugs. The energy transfer from high-pressure to kinetic energy is quantified using thrust plate measurements. Non-dimensional...

(This article belongs to the Special Issue Waste Heat Recovery—Strategy and Practice)
  • Article
  • Open Access
1 Citations
4,673 Views
29 Pages

Simple Theoretical Results on Reversible Fouling in Cross-Flow Membrane Filtration

  • Pierre Haldenwang,
  • Braulio Bernales,
  • Pierrette Guichardon and
  • Nelson Ibaseta

In cross-flow membrane filtration, fouling results from material deposit which clogs the membrane inner surface. This hinders filtration, which experiences the so-called limiting flux. Among the models proposed by the literature, we retain a simple o...

(This article belongs to the Special Issue Application of Membrane Filtration in Water and Industrial Wastes Treatment Processes)
  • Article
  • Open Access
17 Citations
4,544 Views
14 Pages

22 March 2021

Immiscible liquid–liquid flows in microchannels are used extensively in various chemical and biological lab-on-a-chip systems when it is very important to predict the expected flow pattern for a variety of fluids and channel geometries. Commonly, bio...

(This article belongs to the Section E: Engineering and Technology)
  • Article
  • Open Access
2 Citations
2,629 Views
21 Pages

Boundary Layer via Multifractal Mass Conductivity through Remote Sensing Data in Atmospheric Dynamics

  • Dragos-Constantin Nica,
  • Marius-Mihai Cazacu,
  • Daniel-Eduard Constantin,
  • Valentin Nedeff and ,
  • Florin Nedeff,
  • Decebal Vasincu,
  • Iulian-Alin Roșu and
  • Maricel Agop
  • + 3 authors+ 0 author

In this manuscript, multifractal theories of motion based on scale relativity theory are considered in the description of atmospheric dynamics. It is shown that these theories have the potential to highlight nondimensional mass conduction laws that d...

(This article belongs to the Special Issue Nonlinear Dynamics in Complex Systems via Fractals and Fractional Calculus)
  • Article
  • Open Access
9 Citations
3,659 Views
15 Pages

15 November 2023

Dropwise condensation (DWC) of steam over hybrid hydrophobic–hydrophilic surfaces is numerically investigated via a phenomenological, Lagrangian model. The full non-dimensionalization of the heat transfer model, needed to determine the droplet...

(This article belongs to the Special Issue Contact Line Dynamics and Droplet Spreading)
  • Article
  • Open Access
15 Citations
4,648 Views
23 Pages

29 December 2022

The present exploration discusses the combined effect of non-linear thermal radiation along with viscous dissipation and magnetic field through a porous medium. A distinctive aspect of our work is the simultaneous use of porous wall and a porous mate...

(This article belongs to the Topic Computational Fluid Dynamics (CFD) and Its Applications)
  • Article
  • Open Access
698 Views
15 Pages

CFD Study of the Leakage Flow in a Low-Speed Axial Fan with Rotating Shroud

  • Mohammad Amir Neshat,
  • Edward Canepa and
  • Andrea Cattanei

This paper presents a numerical investigation of the effect of rotational speed on the development of leakage flow in a low-speed axial fan equipped with a rotating shroud. Rotor deformation induced by centrifugal forces and aerodynamic loading is ta...

  • Article
  • Open Access
38 Citations
3,924 Views
13 Pages

8 April 2020

A problem with the thermogravitational energy transference of a hybrid nanofluid (Al2O3-SiO2/H2O) in a porous space with a central heat-conducting body has been presented and numerical analysis has been performed. Governing equations, transformed in...

(This article belongs to the Special Issue Nanofluids in Advanced Symmetric Systems)
  • Feature Paper
  • Article
  • Open Access
21 Citations
8,381 Views
18 Pages

Analysis of the Design of a Poppet Valve by Transitory Simulation

  • Ivan Gomez,
  • Andrés Gonzalez-Mancera,
  • Brittany Newell and
  • Jose Garcia-Bravo

7 March 2019

This article contains the results and analysis of the dynamic behavior of a poppet valve through CFD simulation. A computational model based on the finite volume method was developed to characterize the flow at the interior of the valve while it is m...

(This article belongs to the Special Issue Energy Efficiency and Controllability of Fluid Power Systems 2018)
  • Article
  • Open Access
29 Citations
8,331 Views
25 Pages

22 February 2019

System identification from measured flight test data was conducted using the X-56A aeroelastic demonstrator to identify a longitudinal flight dynamics model that included the short period, first symmetric wing bending, and first symmetric wing torsio...

(This article belongs to the Special Issue Aeroelasticity)
  • Article
  • Open Access
11 Citations
1,985 Views
14 Pages

20 September 2022

The aim of our study is to delineate the characteristics of fluid flow comprising single-wall and multi-wall carbon nanotubes (SWCNTs and MWCNTs) along the surface of a Riga plate fixed in a porous environment. We carried out in-depth comparative ana...

(This article belongs to the Section J1: Heat and Mass Transfer)
  • Article
  • Open Access
15 Citations
4,175 Views
19 Pages

20 May 2019

The first part of the present study investigated the relationship among the number of yaw gear and motor failures and turbulence intensity (TI) at all the wind turbines under investigation with the use of in situ data. The investigation revealed that...

(This article belongs to the Special Issue Modeling of Wind Turbines and Wind Farms)
  • Article
  • Open Access
5 Citations
3,247 Views
17 Pages

Resistance Analysis of Morphologies in Headwater Mountain Streams

  • Sebastián Cedillo,
  • Esteban Sánchez-Cordero,
  • Luis Timbe,
  • Esteban Samaniego and
  • Andrés Alvarado

13 August 2021

River flow velocity is determined by the energy available for flow motion and the energy fraction lost by flow resistance. We compared the performance of different equations for the Darcy-Weisbach resistance coefficient (f) and empirical equations to...

(This article belongs to the Section Hydraulics and Hydrodynamics)
  • Article
  • Open Access
16 Citations
3,857 Views
24 Pages

13 July 2020

The main purpose of this paper is to establish an analysis model of laminated composite rectangular plate with/without cutouts on the basis of three-dimensional elasticity theory and provide the exact three-dimensional solution. In the present work,...

  • Article
  • Open Access
18 Citations
4,405 Views
17 Pages

Retardant Effects of Collapsing Dynamics of a Laser-Induced Cavitation Bubble Near a Solid Wall

  • Xiaofei Li,
  • Yaxin Duan,
  • Yuning Zhang,
  • Ningning Tang and
  • Yuning Zhang

15 August 2019

In the present paper, the dynamic behavior of cavitation bubbles near a wall is experimentally investigated with a focus on the retardant effects of the wall on the collapsing dynamics of the bubble. In the present experiments, a cavitation bubble is...

  • Article
  • Open Access
6 Citations
2,792 Views
20 Pages

Phenomenological Nondimensional Parameter Decomposition to Enhance the Use of Simulation Modeling in Fire Probabilistic Risk Assessment of Nuclear Power Plants

  • Sari Alkhatib,
  • Tatsuya Sakurahara,
  • Seyed Reihani,
  • Ernest Kee and ,
  • Brian Ratte,
  • Kristin Kaspar,
  • Sean Hunt and
  • Zahra Mohaghegh
  • + 3 authors+ 0 author

2 July 2024

Simulation modeling is crucial in support of probabilistic risk assessment (PRA) for nuclear power plants (NPPs). There is a challenge, however, associated with simulation modeling that relates to the time and resources required for collecting data t...

  • Article
  • Open Access
27 Citations
2,836 Views
23 Pages

With growing concerns about the danger of global climate change and worldwide demand for energy, the interest in the investigation and construction of renewable energy technologies has increased. Fixed platforms are a type of support structure for wi...

(This article belongs to the Special Issue Development and Utilization of Offshore Renewable Energy)
  • Feature Paper
  • Article
  • Open Access
26 Citations
9,937 Views
19 Pages

Monthly Flow Duration Curve Model for Ungauged River Basins

  • Halil Ibrahim Burgan and
  • Hafzullah Aksoy

24 January 2020

Flow duration curve (FDC) is widely used in hydrology to assess streamflow in a river basin. In this study, a simple FDC model is developed for monthly streamflow data. The model consists of several steps including the nondimensionalization and then...

(This article belongs to the Special Issue Hydrologic Modelling for Water Resources and River Basin Management)
  • Feature Paper
  • Article
  • Open Access
15 Citations
8,866 Views
20 Pages

Several Problems with Froude-Number Based Scale Modeling of Fires in Small Compartments

  • Mateusz Zimny,
  • Piotr Antosiewicz,
  • Grzegorz Krajewski,
  • Tomasz Burdzy and ,
  • Adam Krasuski and
  • Wojciech Węgrzyński
  • + 1 author+ 0 author

23 September 2019

The Froude-number based reduced-scale modeling is a technique commonly used to investigate the flow of heat and mass in building fires. The root of the method is the thermodynamic model of a flow in a compartment and several non-dimensional flow numb...

(This article belongs to the Section I: Energy Fundamentals and Conversion)
  • Article
  • Open Access
38 Citations
5,924 Views
14 Pages

Moisture Absorption of Carbon/Epoxy Nanocomposites

  • Gorkem E. Guloglu and
  • M. Cengiz Altan

20 February 2020

Moisture absorption of composites with nanoscale carbon additives such as carbon nanotubes, carbon nanofibers, graphite nanoplatelets, and carbon black is investigated using thermogravimetric data and a non-Fickian hindered diffusion (Langmuir-type)...

(This article belongs to the Special Issue Feature Papers in Journal of Composites Science in 2019)
  • Technical Note
  • Open Access
2 Citations
2,199 Views
15 Pages

27 May 2024

Many communities along rivers in the Northwest Territories do not have water-level gauges, making flood hazard analyses difficult at these sites. These include the communities of Jean Marie River, Tulita and Fort Good Hope on the Mackenzie River, Nah...

(This article belongs to the Special Issue Advancing the Monitoring and Modelling of Freshwater Systems with New Remote Sensing Technologies)
  • Article
  • Open Access
1 Citations
4,510 Views
23 Pages

24 April 2020

In this study, the capabilities of a coupled KBC-free surface model to deal with fluid solid interactions with the slamming of rigid obstacles in a calm water tank were analyzed. The results were firstly validated with experimental and numerical data...

(This article belongs to the Special Issue Combined Numerical and Experimental Methodology for Fluid–Structure Interactions in Free Surface Flows)
  • Article
  • Open Access
14 Citations
4,075 Views
13 Pages

Investigation of the Horizontal Motion of Particle-Laden Jets

  • Tooran Tavangar,
  • Hesam Tofighian and
  • Ali Tarokh

Particle-laden jet flows can be observed in many industrial applications. In this investigation, the horizontal motion of particle laden jets is simulated using the Eulerian–Lagrangian framework. The two-way coupling is applied to the model to...

(This article belongs to the Section Computational Engineering)
  • Article
  • Open Access
2 Citations
3,395 Views
15 Pages

19 August 2020

Flow simulation over a dune requires the proper input of roughness coefficients. This study analyzed a numerical simulation of open-channel turbulent flow over two-dimensional fixed dunes to reveal the effect of roughness on the dune bottom, and to d...

(This article belongs to the Special Issue Research on Hydraulics and River Dynamics)
  • Article
  • Open Access
33 Citations
2,575 Views
32 Pages

Backpropagated Neural Network Modeling for the Non-Fourier Thermal Analysis of a Moving Plate

  • R. S. Varun Kumar,
  • M. D. Alsulami,
  • I. E. Sarris,
  • B. C. Prasannakumara and
  • Saurabh Rana

13 January 2023

The present article mainly focuses on the transient thermal dispersal within a moving plate using the non-Fourier heat flux model. Furthermore, the innovative, sophisticated artificial neural network strategy with the Levenberg-Marquardt backpropagat...

  • Article
  • Open Access
5 Citations
5,136 Views
16 Pages

26 April 2018

Evaluation of global shortwave irradiance forecasts from the HARMONIE-AROME weather prediction model is presented in this paper. We give examples of how such an evaluation can be used when testing a weather model or reanalysis product. We specificall...

(This article belongs to the Special Issue Energy Meteorology)
  • Article
  • Open Access
22 Citations
4,760 Views
15 Pages

8 September 2017

Flow and heat transfer of the air cavity between two glass façades designed in the box window type of double skin façade (DSF) was evaluated in a test room which was set up for measurements in the laboratory environment and analyzed under different w...

(This article belongs to the Section I: Energy Fundamentals and Conversion)
  • Article
  • Open Access
3 Citations
2,608 Views
16 Pages

Mathematical Modeling and Analysis Using Nondimensionalization Technique of the Solidification of a Splat of Variable Section

  • Juan Francisco Sánchez-Pérez,
  • Guillermo Jorde-Cerezo,
  • Adrián Fernández-Roiz and
  • José Andrés Moreno-Nicolás

19 July 2023

In this work, the solidification and cooling process of an irregularly shaped splat is modeled using the network simulation method. The procedure for its implementation, which uses the finite difference method and optimized circuit analysis algorithm...

(This article belongs to the Special Issue Mathematical Problems in Materials Science)
  • Article
  • Open Access
7 Citations
3,114 Views
19 Pages

Thermal Onsets of Viscous Dissipation for Radiative Mixed Convective Flow of Jeffery Nanofluid across a Wedge

  • Yogesh Dadhich,
  • Nazek Alessa,
  • Reema Jain,
  • Abdul Razak Kaladgi and ,
  • Karuppusamy Loganathan and
  • V. Radhika Devi
  • + 1 author+ 0 author

1 February 2023

The current analysis discusses Jeffery nanofluid’s thermally radiative flow with convection over a stretching wedge. It takes into account the Brownian movement and thermophoresis of the Buongiorno nanofluid model. The guiding partial different...

(This article belongs to the Special Issue Recent Advances in Conjugate Heat Transfer)
  • Article
  • Open Access
696 Views
19 Pages

This study experimentally investigated the wave reflection characteristics of a vertical-type OWC installed by partially removing a section of an existing rubble mound breakwater under irregular wave conditions. Hydraulic model experiments were carri...

(This article belongs to the Section Marine Energy)
  • Article
  • Open Access
42 Citations
7,445 Views
17 Pages

28 January 2022

Wind power is known as a major renewable and eco-friendly power generation source. As a clean and cost-effective energy source, wind power utilization has grown rapidly worldwide. A roof-mounted wind turbine is a wind power system that lowers energy...

(This article belongs to the Special Issue Transport Phenomena in the Atmospheric Boundary Layer)
  • Article
  • Open Access
3 Citations
3,797 Views
17 Pages

30 November 2023

Grinding is the most important method in machining, which belongs to the category of precision machining processes. Many mechanical bonding surfaces are grinding surfaces. Therefore, the contact mechanism of grinding a joint surface is of great signi...

(This article belongs to the Topic Advanced Manufacturing and Surface Technology)
  • Article
  • Open Access
10 Citations
9,071 Views
35 Pages

19 October 2018

For the requirements of performance assessment of the thermal power plant control process, the combustion control system of a 330 MW generator unit in a power plant is studied. Firstly, the five variables that affect the process control performance a...

(This article belongs to the Special Issue Design and Control of Sustainable Systems)
  • Article
  • Open Access
7 Citations
4,896 Views
25 Pages

Heat transfer affects a motor’s sizing, its performance, and, ultimately, the overall vehicle’s range and endurance. However, the thermal literature does not have early-stage models for outrunner brushless DC (BLDC) motors found in small...

(This article belongs to the Special Issue Aircraft Design (SI-5/2023))
  • Article
  • Open Access
1,915 Views
12 Pages

An Application of Inverse Problem and Universal Solutions for Pumping Wells in Unconfined Aquifers

  • Encarnación Martínez-Moreno,
  • Francisco Alhama,
  • Iván Alhama and
  • Gonzalo García-Ros

10 July 2023

As far as we know, universal solutions (or type-curves) for scenarios of flow through anisotropic unconfined aquifers due to pumping wells cannot be found in the literature. On the contrary, those theoretical solutions in hydrogeological manuals are...

(This article belongs to the Section Hydrology)
  • Article
  • Open Access
8 Citations
3,525 Views
23 Pages

8 May 2025

The evolution of droplets during the printing process is modeled using the volume of fluid (VOF) method, which involves solving the Navier–Stokes and continuity equations for incompressible flow with multiple immiscible phases on a finite volum...

(This article belongs to the Special Issue Contact Line Dynamics and Droplet Spreading)

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