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One-way thermomagnetic simulation of magnetic coupling in natural gas pressure energy utilization Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-04-16 Yanqin Mao, Liang Cai, Roman Chertovskih, Wanjun Guo, Xiaoyue Wang
Magnetic coupling is an approach employed to prevent gas leakage by transforming the dynamic seal into a non-contact static seal for the recovery of natural gas pressure energy. The impact of therm...
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Analysis of chemical reactive nanofluid flow on stretching surface using numerical soft computing approach for thermal enhancement Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-04-17 Saleem Nasir, Abdallah S. Berrouk, Taza Gul
In this work, computational intelligence methodologies are used to investigate the trihybrid nanofluid, a new theoretical model with remarkable thermal transmission properties to enhance liquid the...
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Online prediction of ship maneuvering motions based on adaptive weighted ensemble learning under dynamic changes Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-04-16 Yaohui Yu, Hongbin Hao, Zihao Wang, Yan Peng, Shaorong Xie
Dynamic changes in ship maneuverability challenge the accuracy and effectiveness of ship maneuvering models. This paper proposes an online prediction method based on the adaptive weighted ensemble ...
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Prediction of CO2 emission for the central European countries through five metaheuristic optimization techniques helping multilayer perceptron Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-04-06 Hossein Moayedi, Azfarizal Mukhtar, Serhan Alshammari, Mohamed Boujelbene, Isam Elbadawi, Quynh T Thi, Mojtaba Mirzaei
One of the most significant issues in urban design is energy-related CO2 emissions, which are rising quickly as cities expand. The GDP of the Central European countries (from 1990 to 2016) based on...
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Modelling flame-to-fuel heat transfer by deep learning and fire images Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-03-21 Caiyi Xiong, Zilong Wang, Xinyan Huang
In numerical fire simulations, the calculation of thermal feedback from the flame to the solid and liquid fuel surface plays a critical role as it connects the fundamental gas-phase flame burning a...
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Multi-objective design optimization of a transonic axial fan stage using sparse active subspaces Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-03-12 Richard Amankwa Adjei, Chengwei Fan
In this paper, a multi-objective optimization strategy for efficient design of turbomachinery blades using sparse active subspaces is implemented for a turbofan stage design. The proposed strategy ...
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Dual-objective optimization strategy of self-adaptive transient pressure controller in water delivery engineering Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-03-14 Boran Zhang, Wuyi Wan, Yuhang Wang, Qihua Ran, Xiaoyi Chen, Yue Fang, Saiyu Yuan, Huiming Zhang
Controlling pressure impact of water hammer is an important guarantee for safe and stable running of pipeline systems. Previously, we proposed a spring self-adaptive auxiliary control (SAC) system ...
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The influence of river discharge on energy transport in estuaries and its implication for the equilibrium bed profile Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-03-12 Min Zhang, Bo Li, Tianyi Xie, Ian Townend, Tongtiegang Zhao, Huayang Cai
In this paper, we revisit the classical energy transport equation for pure tidal flows in estuaries by including the effects of residual water level and freshwater discharge. Starting from the one-...
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A novel conceptual design approach for autonomous underwater helicopter based on multidisciplinary collaborative optimization Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-03-11 Yuan-Jie Chen, Haocai Huang
Autonomous underwater helicopters (AUHs) are complex electromechanical systems consisting of multiple interconnected sub-disciplines, posing a significant challenge for traditional sequential desig...
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Numerical simulation investigation of the mechanism of lacquer curtain formation in curtain coating Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-03-06 Jie-min Zhan, Kai Lin, Yi-hua Li, Wen-qing Hu
To study the key factors on integrated curtain formation and breakup in curtain coating production process, we used the numerical simulation method to analyze the various stages of the curtains fro...
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Two-phase flow investigation of sewage pumps with different tip clearance via computational fluid dynamics and multi-factor ANOVA Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-03-01 Yang Yang, Hui Wang, Qixiang Hu, Leilei Ji, Zhaoming He, Weidong Shi, Xiangyu Song, Ling Zhou
Sewage pumps are widely utilized in various applications, including municipal wastewater treatment plants, industrial processes, and residential sewage systems. These pumps are specifically designe...
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Forecasting of energy-related carbon dioxide emission using ANN combined with hybrid metaheuristic optimization algorithms Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-02-29 Hossein Moayedi, Azfarizal Mukhtar, Nidhal Ben Khedher, Isam Elbadawi, Mouldi Ben Amara, Quynh TT, Nima Khalilpoor
Energy-related CO2 emissions are one of the biggest concerns facing urban design today, increasing rapidly as cities grow. This study uses as inputs the GDP of the G8 nations (from 1990 to 2016) de...
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Performance prediction and optimization of hydrogenation feed pump based on particle swarm optimization – least squares support vector regression surrogate model Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-02-22 Yanpi Lin, Liang Li, Shunyin Yang, Xiaoguang Chen, Xiaojun Li, Zuchao Zhu
Due to high power consumption and low energy efficiency of the hydrogenation feed multistage pump, conducting structural optimization design and reducing energy losses for this pump is necessary. I...
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Swash-flow induced forces on human body standing on a smooth and impermeable slope: A numerical study with experimental validations Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-02-22 Deping Cao, Zaibin Lin, Jing Yuan, Weikai Tan, Hao Chen
Swash flow poses a significant hazard to pedestrians standing on the slope of the seawall. Unlike the forces of overtopping flow or open channel flow on the human body, which have been studied befo...
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Propulsion curve analysis and optimisation of biomimetic pectoral fin with three degree of freedom based on multi-layer perception Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-02-15 Zonggang Li, Bin Li, Guangqing Xia, Huifeng Kang
This paper aims to improve the swimming efficiency of biomimetic robotic fish by optimising its propulsion curve with three degree of freedom (DOF), in which the key is to minimise the resistance d...
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Oscillatory flow driven microdroplet breakup dynamics and microparticle formation in LMPA-water two phase flow system Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-02-15 Yanhong Guo, Yong Liu, Tuo Hou, Xinyu Zhang, Jiayun Gao, Jun He, Chengbo Wang, Jing Wang, Qingsen Zhao, Yue Chan, Yong Ren
This study presents a mathematical modeling and numerical investigation of oscillatory flow induced microdroplet breakup in low melting point alloy (LMPA)-in-water two-phase flow system in a microc...
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Evaluating shallow mixing layer in partially-distributed canopy flows using DA-LES: bed friction, water shallowness and canopy denseness Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-02-05 Zi-Rui Wang, Si-Jin Zhang, Yu-Xuan Jiang, Zhi-Dong Yao, Xu-Feng Yan
Shallow mixing layers developed in partially-distributed canopy flows (PCFs) are important for water conveyance, sediment transport and solute dispersion. In this paper, we address the response of ...
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Investigation on unstable flow characteristics and energy dissipation in Pelton turbine Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-02-01 Wenrui Fan, Longgang Sun, Pengcheng Guo
The internal flow scale of a Pelton turbine is variable, and the interaction between the jet and the bucket has strong transient characteristics, resulting in an incomplete understanding of its int...
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Energy distribution and chaotic pressure pulsation analysis of vortex ropes in Francis-99 Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-02-02 Puxi Li, Jiahao Lu, Ran Tao, Ruofu Xiao, Bin Ji, Fujun Wang
Francis turbines, essential for stability in diverse operating conditions and variable-speed scenarios, encounter efficiency-compromising vortex rope formations in the draft tube, leading to substa...
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Energy management of a concentrated photovoltaic−thermal unit utilizing nanofluid jet impingement in existence of thermoelectric module Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-02-02 M. Sheikholeslami, Z. Khalili
To generate a concentrated photovoltaic–thermal (CPVT) unit system, linear Fresnel concentrators have been attached to a PV unit and a thermoelectric generator (TEG) has been combined in this work ...
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Machine-learning and CFD based optimization and comprehensive experimental study on diagonal flow fan for energy conservation and efficiency enhancement Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-02-02 Shuiqing Zhou, Yu Luo, Zijian Mao, Laifa Lu, Weiping Feng
The diagonal flow fan, known for its innovative airflow guiding technique, presents a dual advantage of heightened efficiency and reduced noise levels. Despite garnering attention in energy product...
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Instantaneous 2D extreme wind speed prediction using the novel Wind Gust Prediction Net based on purely convolutional neural mechanism Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-31 Zeguo Zhang, Jianchuan Yin
Accurate prediction of spatial–temporal extreme wind gust is vital for the wind farm dynamic regulation, the floating wind turbine deployment and its early warning. Deep-learning approaches have be...
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MHD unsteady flow of carbon nanotubes over nonlinear radiative surface with anisotropic slip conditions: computational analysis of irreversibility for Yamada-Ota model Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-02-01 Zafar Mahmood, Khadija Rafique, Adnan, Umar Khan, Taseer Muhammad, Ahmed M. Hassan
In this study, the Yamada-Ota model is used to look for an analysis of irreversibility when there is nonsymmetric magnetohydrodynamic flow inside a nanoliquid made of carbon nanotubes (CNTs) across...
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Explainable machine learning models for estimating daily dissolved oxygen concentration of the Tualatin River Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-23 Shuguang Li, Sultan Noman Qasem, Shahab S. Band, Rasoul Ameri, Hao-Ting Pai, Saeid Mehdizadeh
Monitoring the quality of river water is of fundamental importance and needs to be taken into consideration when it comes to the research into the hydrological field. In this context, the concentra...
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Enhancing pipeline integrity: a comprehensive review of deep learning-enabled finite element analysis for stress corrosion cracking prediction Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-23 Umair Sarwar, Ainul Akmar Mokhtar, Masdi Muhammad, Rano Khan Wassan, Afzal Ahmed Soomro, Majid Ali Wassan, Shuaib Kaka
Pipelines are crucial for transporting energy sources, yet corrosion especially stress corrosion cracking (SCC) poses a complex and potentially catastrophic form of material degradation. Traditiona...
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Machine learning and parametrisation of multi-cell structures of secondary circulation in a tight open channel bend using LES Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-18 H. Katie Schreiner, Abdolmajid Mohammadian, Colin D. Rennie
Large eddy simulations of an open channel bend are performed at a variety of water depths and flow rates. The results at several cross sections are decomposed into sub-cells of secondary circulatio...
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A conjugated heat and mass transfer model to implement reaction in particle-resolved CFD simulations of catalytic fixed bed reactors Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-10 Martin Kutscherauer, Scott D. Anderson, Sebastian Böcklein, Gerhard Mestl, Thomas Turek, Gregor D. Wehinger
Modelling catalytic fixed bed reactors with a small tube-to-particle diameter ratio requires a detailed description of the interactions between fluid flow, intra-particle transport, and the chemica...
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Performance simulation of L-shaped heat pipe and air coupled cooling process for ternary lithium battery module Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-12 Shengshi Wang, Tianshi Zhang, Qing Gao, Zhiwu Han, Haizhen Huang, Jingyu Yao
Currently, the conventional heat pipe form and working fluid are not well suited for power batteries. Existing simulation studies on battery thermal management with coupled heat pipes often overloo...
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Aerodynamic performance analysis of a floating wind turbine with coupled blade rotation and surge motion Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-09 Kai Wang, Mengshang Zhao, Siqi Chen, Ruosi Zha
The unsteady aerodynamic characteristics and interference effects of a floating wind turbine are significantly influenced by the six-degree-of-freedom (6DoF) motions. In this paper, the computation...
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A novel problem-solving method by multi-computational optimisation of artificial neural network for modelling and prediction of the flow erosion processes Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-07 Hossein Moayedi, Atefeh Ahmadi Dehrashid, Binh Nguyen Le
This research aims to forecast, using various criteria, the flow of soil erosion that will occur at a particular geographical location. As for the training dataset, 80% of the dataset from the samp...
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Establishment and application of a digital twin for vortex-induced vibration of a bridge deck section Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-05 Hao-Yang Li, You-Lin Xu, Bin Wang, Le-Dong Zhu, Xiao-Liang Meng, Guo-Qing Zhang
Wind tunnel tests or computational fluid dynamics (CFD) simulations of the aeroelastic model of a bridge deck section are currently used to make sure that significant vortex-induced vibration (VIV)...
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A sharp MLS penalty immersed finite element method for fluid-structure interaction of highly deformable slender body in turbulent flow Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-05 Ehsan Akrami, Mathieu Specklin, Rafael Torrecilla Rubio, Robert Connolly, Ben Breen, Stefan Berten, Mark Kehoe, Abdulaleem Albadawi, Yan Delaure
This paper presents a new computational approach to simulate challenging fluid-structure interactions (FSI) between fluids and slender deformable structures. Key innovations address limitations of ...
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CNN-based vane-type vortex generator modelling Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-05 Koldo Portal-Porras, Unai Fernandez-Gamiz, Ekaitz Zulueta, Roberto Garcia-Fernandez, Xabier Uralde-Guinea
The simplicity and accuracy of Computational Fluid Dynamics (CFD) tools have made them the most widely used method for solving fluid dynamics problems. However, these tools have some limitations, b...
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Delft3D model-based estuarine suspended sediment budget with morphodynamic changes of the channel-shoal complex in a mega fluvial-tidal delta Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-05 Jie Wang, Ao Chu, Zhijun Dai, Jaap Nienhuis
Reduced riverine sediment supply and sea-level rise (SLR) threaten land building and ecosystem in deltas. However, the sediment-morphodynamic processes in a channel-shoal complex are not well under...
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Fluidisation of spherocylindrical particles: computational fluid dynamics–Discrete element method simulation and experimental investigation Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-03 Ling Zhou, Bo Wang, Yupeng Cao, Zhenjiang Zhao, Ramesh Agarwal
The fluidisation of spherocylindrical particles is often involved in the fields of biomass combustion, drug delivery and food drying. By spherocylindrical particles, we mean elongated spherical par...
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High-density controlled environment agriculture (CEA-HD) air distribution optimization using computational fluid dynamics (CFD) Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-02 Gilbert Larochelle Martin, Danielle Monfet
In this paper, the indoor environment of a small-scale high-density controlled environment agriculture (CEA-HD) space was simulated using computational fluid dynamics. Spatial modelling of the indo...
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Interception performance of intake structures with a flow diversion barrier under supercritical flow conditions Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2024-01-02 Lu Chang
Intake structures are commonly used in drainage systems to redirect surface rainfall runoff into underground tunnels. The Hong Kong West Drainage Tunnel (HKWDT) system is designed to capture stormw...
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Controllable generation of core-shell composite droplets in a conical inlet double-focus microchannel Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-12-04 Yaohui Zhao, Zhaohui Wang, Quanjie Gao, Qianwen Yang, Haonan Yang, Jie Chen
In this paper, a double-focused conical inlet axisymmetric structure with double acceleration is proposed and the evolution of composite core-shell droplets is calculated using the volume of fluid ...
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Effect of combined side-wall air supply on ventilation and respiratory pollutant dispersion characteristics of high-speed trains Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-12-01 Songbo Wu, Tian Li, Jiye Zhang
The ventilation system significantly affects the energy saving, thermal comfort, and pollutant dispersion characteristics of high-speed trains. Using Computational Fluid Dynamics (CFD), the effects...
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Neural network-based regression for heat transfer and fluid flow over in-line cylinder arrays with random pitch distances at low Reynolds number Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-11-30 Geunhyeok Choi, Seong Jin Kim, Seungwon Shin
Finding an arrangement, leading to a higher heat transfer and lower pressure drop, is crucial in the design of heat exchangers. Previous studies have primarily focused on regular arrangements with ...
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Aerodynamic impact of wind-sand flow on moving trains in tunnel-embankment transition section: from field testing to CFD modeling Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-11-14 E Deng, Huan Yue, Xin-Yuan Liu, Yi-Qing Ni
The acceleration of land desertification has led to an increasingly serious threat to the operation safety of tunnel entrance in the Gobi and desert regions by wind-sand flow, and it is urgent to s...
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Transient 3D hydrodynamic model of a blast furnace main trough Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-11-17 Patricia Barral, Luis Javier Pérez-Pérez, Peregrina Quintela
A transient 3D CFD model is solved to investigate the features of the complex flow in a blast furnace trough. Hot metal, slag, and air are considered as different phases of the flow. The influence ...
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On the anti-rolling performance of a train using a vortex generator array Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-11-07 Bin Xu, Xiaodong Chen, Tanghong Liu, Zhengwei Chen, Wenhui Li, Yutao Xia, Xiaoshuai Huo, Hongrui Gao, Hongkang Liu
Vortex generators (VGs) have shown the potential to mitigate the train's operational instability issues caused by strong wind. Numerical simulations are used to predict the flow structures around a...
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Experimental and numerical validation of a hybrid method for modelling the wake flow of two in-line wind turbines Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-10-31 Yuming Yuan, Hongbin Hao, Ziying Yu, Xing Zheng, Chao Wang
To forecast the wake flow and power reduction affecting downstream turbines reliably and accurately, a hybrid wake model CFD(ALM)-IDWM was improved, in which the forecasting of Vθmax is improved fr...
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Numerical and intelligent neuro-computational modelling with Fourier’s energy and Fick’s mass flux theory of 3D fluid flow through a stretchable surface Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-10-31 Saleem Nasir, Abdallah S. Berrouk
Current work explores the intricacies of magnetohydrodynamic and mix convectional boundary-layer flow concerning couple stress Casson nanofluid (CSCNF) dynamics via a 3D stretchable surface. The ad...
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Computational evaluation of flight performance of flapping-wing nano air vehicles using hierarchical coupling of nonlinear dynamic and fluid-structure interaction analyses Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-11-02 Rashmikant, M. Onishi, K. Sugikawa, D. Ishihara
This study endeavours to introduce an inventive hierarchical coupling methodology for evaluating the flight capabilities of polymer micromachined flapping-wing nano air vehicles (FWNAVs) using adva...
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Design and optimization of bionic Nautilus volute for a hydrodynamic retarder Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-10-31 Wei Wei, Tao Tianlang, Si Lurong, Wang Guanghua, Yan Qingdong
To reduce the energy loss of volute and improve the emergency braking performance of hydrodynamic retarder under design condition, a bionic volute optimization design method is proposed based on th...
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Estimating residential buildings’ energy usage utilising a combination of Teaching–Learning–Based Optimization (TLBO) method with conventional prediction techniques Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-10-31 Senlin Zheng, Haodong Xu, Azfarizal Mukhtar, Ahmad Shah Hizam Md Yasir, Nima Khalilpoor
Among the most significant solutions suggested for estimating energy consumption and cooling load, one can refer to enhancing energy efficiency in non-residential and residential buildings. A struc...
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Numerical study on scroll vortex intake with partially or fully sealed cover of vortex chamber Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-10-19 Yiran Wang, Xiaodong Yu, Adrian Wing-Keung Law
When installed in deep tunnel systems, the cover of the vortex dropshaft may be partially or fully sealed. With air exchange restricted through the cover, the air supply to the dropshaft through th...
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Flow-induced vibration analysis in a pump-turbine runner under transient operating conditions Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-10-13 Junxun Guo, Daqing Zhou, Huixiang Chen, Haobo Wang
The dynamic characteristics of the pumped storage unit (pump-turbine runner) make it highly susceptible to vibrations. Previous studies seldom addressed the clearance variation due to runner vibrat...
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Experimental and numerical investigation on the aerodynamics of isolated high-rise building and phenomenology of twisted wind field Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-10-10 Zengshun Chen, Diqin Li, Sijia Li, Jie Bai, Xianzhi Fu, Cruz Y. Li, Hongkai Wang, Yunfei Fu, K. T. Tse
Insufficiently studied, the phenomenon of twisted wind is prevalent in mountainous regions. This study focuses on investigating the characteristics and aerodynamics of a single high-rise building s...
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Analysis of the blade aeroelastic effect on the floating offshore wind turbine wake in a focusing wave with a hybrid model Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-09-28 Ziying Yu, Xing Zheng, Yuming Yuan
With the recent trend toward larger floating offshore wind turbines (FOWT), the influence of blade deformation becomes more obvious. Modelling this fully coupled fluid-structure interaction (FSI) s...
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Numerical study on the effect of pantograph fairing on aerodynamic performance at various train heights Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-09-29 Hongkang Liu, Rongrong Chen, Siqi Zhou, Yupeng Gao, Yong Zou, Tanghong Liu, Yatian Zhao
The pantograph is one of the primary sources of aerodynamic drag and noise during the operation of a high-speed train. To investigate the impact of the pantograph fairing on the aerodynamic perform...
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Investigation on energy dissipation mechanism in a double-suction centrifugal pump based on Rortex and enstrophy Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-09-25 Ji Pei, Qifan Deng, Wenjie Wang, Ju Sun, Wenjie Peng
Since double-suction centrifugal pumps consume quantities of energy, revealing critical factors for energy dissipation is helpful for energy-saving design. This study aims to investigate the relati...
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Numerical study on aerodynamic drag and noise of high-speed pantograph by introducing spanwise waviness Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-09-21 Deng Qin, Tian Li, Jiye Zhang, Ning Zhou
It is noteworthy to explore potential measures for further reducing the aerodynamic drag and noise of high-speed pantographs. This paper proposes a method of introducing spanwise waviness into the ...
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Motion simulation analysis of wear debris in an integrated detection unit for lubricating oil Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-09-19 Weixuan Zhang, Xiangwen Xiao, Yishou Wang, Yuan Liu, Xinlin Qing, Wendong Xue
Accurate wear debris detection is vital for diagnosing engine wear. However, due to uncertainties in debris behavior, size, and operating conditions, identifying different materials with a single s...
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Revolutionizing heat recovery in shell-and-tube latent heat storage systems: an arc-shaped fin approach Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-09-12 Mohamed Boujelbene, Jasim M. Mahdi, Anmar Dulaimi, Hosseinali Ramezanimouziraji, Raed Khalid Ibrahem, Raad Z. Homod, Wahiba Yaïci, Pouyan Talebizadehsardari, Amir Keshmiri
ABSTRACT Strengthening the thermal response of Phase-Change Materials (PCMs) is an essential and active field of research with promising potential for advanced applications such as solar energy storage, building energy conservation, and thermal management in electronic devices. This article evaluates the efficacy of a new arc-shaped fin array in shell-and-tube heat storage systems to enhance the PCM
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Combined effects of blowing ratio and mist diameter with mainstream turbulence intensity in mist-assisted film cooling Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-09-07 Yoonhyeong Jeong, Seung Il Baek, Duy-Tan Vo, Seunggi Kim, Dokyun Kim, Hyoungsoon Lee, Jaiyoung Ryu
Advanced cooling techniques are essential in modern gas turbines to improve the efficiency of the Brayton cycle by raising the turbine inlet temperature. Mist-assisted film cooling offers an innovative solution for cooling high-temperature gas turbine blades. When mist particles with various momenta are injected through the cooling holes, the interplay between mainstream turbulence intensity (Tu) and
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An efficient implementation of compact third-order implicit reconstruction solver with a simple WBAP limiter for compressible flows on unstructured meshes Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-09-05 Minghao Yang, Shu Li
In this paper, we present the development of a third-order density-based solver within the OpenFOAM framework, tailored for handling compressible flows. The solver incorporates implicit variational reconstruction on three-dimensional unstructured meshes, as well as a novel technology coupling reconstruction and time integration for both steady and unsteady simulations. To address the challenge of achieving
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Numerical and experimental analysis of cavitation characteristics in safety valves of the nuclear power second circuit using a modified cavitation model Eng. Appl. Comput. Fluid Mech. (IF 6.1) Pub Date : 2023-08-30 Qingye Li, Shuai Zhang, Muchen Wang, Chaoyong Zong, Xuyang Li, Xueguan Song
Cavitation frequently arises in the safety valve of nuclear power plants’ secondary circuits operating under high pressure conditions. This study integrates valve flow characteristics and velocity strain rate corrections into the Zwart-Gerber-Belamri model to accurately simulate cavitation inside the valve, reducing the impact of physical empirical coefficient variations on cavitation length prediction