Numerical simulation of airflow behaviour and nozzleGood service

Just fill in the form below, click submit, you will get the price list, and we will contact you within one working day. Please also feel free to contact us via email or phone. (* is required).

  • Numerical simulation of airflow behaviour and nozzle ...

    The simulation results are analysed with respect to vorticity magnitude (VM), turbulent kinetic energy (TKE), turbulent intensity (TI), and radial velocity (RV). For better understanding of the airflow behaviour in different parts of the nozzle, the contours of 3D and surface streamlines are analysed.

    Get Price
  • Numerical simulation of airflow behaviour and nozzle ...

    Numerical simulation of airflow behaviour and nozzle geometry on commingling for thermoplastic composites. Author links open overlay panel Ganesh Jogur a Devershi Mourya b R. Alagirusamy a Apurba Das a. ... We use cookies to help provide and enhance our service and tailor content and ads.

    Get Price
  • The Numerical Simulation of the Airflow Distribution and ...

    The energy consumption of fast-growing data centers is drawing attentions from not only energy organizations and institutions all over the world, but also charity groups, such as Greenpeace, and research shows that the power consumption of air conditioning makes up a large proportion of the electricity cost in data centers. Therefore, more detailed investigations of air conditioning power ...

    Get Price
  • Numerical simulation of airflow characteristics in the ...

    2018-8-15 · Numerical simulation of airflow characteristics in the spinning zone at starting time of air-jet spinning machine. ... The e-mail addresses that you supply to use this service will not be used for any other purpose without your consent. ... The effect of different nozzle configurations on airflow behaviour …

    Get Price
  • Numerical investigation of the flow behavior of an ...

    2012-3-1 · The present paper reports the mean flow field behavior of an isothermal turbulent impinging jet in a room. The detailed experimental study is carried out to validate the numerical simulations, and the predictions are performed by means of the RNG k−ε and SST k−ω model. The comparisons between the predictive results and the experimental ...

    Get Price
  • Numerical Simulation of the Airflow over Complex Terrains ...

    2012-1-1 · AASRI Procedia 3 ( 2012 ) 515 – 522 2212-6716 2012 The Authors. Published by Elsevier B.V. Selection and/or peer review under responsibility of American Applied Science Research Institute doi: 10.1016/j.aasri.2012.11.081 2012 AASRI Conference on Modeling, Identification and Control Numerical Simulation of the Airflow over Complex Terrains at Low Altitude Chu Tang a, *, Guanxin …

    Get Price
  • Numerical simulation of airflow and micro-particle ...

    2015-6-1 · In the present study, a numerical simulation of cyclic breathing for a model of the human nasal airway and paranasal sinuses before and after endoscopic sphenoidotomy (transantral-ethmoidectomy) was used, and the time variation of airflow during the inhalation and exhalation phases and micro-particle deposition during the inhalation were analyzed.

    Get Price
  • Numerical Simulation of Airflow in the Human Nasal Cavity ...

    1995-11-1 · An anatomically correct finite element mesh of the right human nasal cavity was constructed from CAT scans of a healthy adult nose. The steady-state Navier-Stokes and continuity equations were solved numerically to determine the laminar airflow patterns in …

    Get Price
  • [PDF] Numerical simulation of airflow around buildings ...

    Computational Fluid Dynamics (CFD) is a commonly accepted tool for studying the wind flow over complex terrain and buildings. But an accurate prediction of the flow field implies a correct reproduction of the turbulent quantities and consequently the right choice of the turbulence model. Due to the highly dissipative behavior of the RANS based turbulence models they are not able to trigger ...

    Get Price
  • Numerical Simulation of Thermal Performance of Indoor ...

    2019-2-1 · Selection and peer-review under responsibility of the scientific committee of the 10th International Conference on Applied Energy (ICAE2018). 10th International Conference on Applied Energy (ICAE2018), 22-25 August 2018, Hong Kong, China Numerical Simulation f Thermal Performance of Ind or Airflow in Heating Room Yinghui Wanga, Xuelai Zhanga ...

    Get Price
  • Numerical simulation of airflow characteristics in the ...

    2018-8-15 · Numerical simulation of airflow characteristics in the spinning zone at starting time of air-jet spinning machine. ... The e-mail addresses that you supply to use this service will not be used for any other purpose without your consent. ... The effect of different nozzle configurations on airflow behaviour …

    Get Price
  • Numerical simulation of pressure and airflow response of ...

    Jack, LB, Cheng, C & Lu, WH 2006, ' Numerical simulation of pressure and airflow response of building drainage ventilation systems ', Building Services Engineering Research and Technology, vol. 27, no. 2, …

    Get Price
  • Numerical Simulation of Airflow in the Human Nasal Cavity ...

    1995-11-1 · An anatomically correct finite element mesh of the right human nasal cavity was constructed from CAT scans of a healthy adult nose. The steady-state Navier-Stokes and continuity equations were solved numerically to determine the laminar airflow patterns in …

    Get Price
  • Three-dimensional Numerical Simulation of Airflow in ...

    2018-5-1 · The simulation capability of REEF3D is validated by comparison with experimental data for wave deformations caused by the OWC and air-flow fields and the airflow velocity in the chamber. The numerical results revealed that the CFD numerical tool REEF3D can successfully simulate wave deformations caused by wave-OWC interactions, and directly ...

    Get Price
  • In Vitro Experiments and Numerical Simulations of Airflow ...

    2006-5-5 · Pressure–flow relationships measured in human plastinated specimen of both nasal cavities and maxillary sinuses were compared to those obtained by numerical airflow simulations in a numerical three-dimensional reconstruction issued from CT scans of the plastinated specimen. For experiments, flow rates up to 1500 ml/s were tested using three different gases: HeO2, Air, and SF6. Numerical ...

    Get Price
  • AT-15-C064 -- Numerical Investigation of Airflow and ...

    Numerical simulation of a typical model is presented. The current paper investigates the modifications that could be carried out to the air-conditioning system and to the stadium design for obtaining the optimum cooling effect inside the stadium.

    Get Price
  • Numerical Simulation of Airflow Structure and Dust ...

    Numerical Simulation of Airflow Structure and Dust Emissions behind Porous Fences Used to Shelter Open Storage Piles . By Chong-Fang)[ 1 ] CF (Song Song, Lin)[ 1 ] L (Peng Peng, ... CORE is a not-for-profit service delivered by the Open University and Jisc. ...

    Get Price
  • [PDF] An Overview of Experiments and Numerical Simulations ...

    ABSTRACT Determining the hotspots and deposition efficiencies (DEs) for aerosols in human airways is important for both research and medical purposes. The complexity of the human airways and the breathing process limit the application of in vitro measurements to only two consecutive branches of the human airway. Herein, in-depth information on in vitro experiments and state-of-the-art review ...

    Get Price
  • A Numerical Simulation of Inspiratory Airflow in Human ...

    In this study, a numerical simulation of inspiratory airflow in a three-dimensional bifurcating human airways model (third to sixth generation) during exercise at sea level and at high altitude was performed. The computational fluid dynamics (CFD) solver FLUENT was used to solve the governing equations for unsteady airflow in the model.

    Get Price
  • Numerical evaluation of the scale problem on the wind flow ...

    2014-10-14 · The airflow field around wind fences with different porosities, which are important in determining the efficiency of fences as a windbreak, is typically …

    Get Price
  • Atmosphere

    In this study, we have developed a numerical model based on an open source Computational Fluid Dynamics (CFD) package OpenFOAM, in order to investigate the flow pattern and pollutant dispersion in urban street canyons with different geometry configurations. In the new model, the pollutant transport driven by airflow is modeled by the scalar transport equation coupling with the momentum ...

    Get Price
  • Numerical simulation of airflow field from a six–rotor ...

    The characteristics of airflow separation, airflow coverage equivalent area and “steep” effect were investigated numerically. The peak value of vertical downward velocity (V–Y) on the detection surface was analysed. Results indicate that the flight speed and altitude had a significant effect on the distribution of the airflow field.

    Get Price
  • Numerical Simulation of Turbulent Airflow and Particle ...

    2008-9-5 · Zahmatkesh, I, Abouali, O, & Ahmadi, G. 'Numerical Simulation of Turbulent Airflow and Particle Deposition in Human Upper Oral Airways.' Proceedings of the ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering.

    Get Price
  • Numerical simulation and verification of airflow in cold ...

    The simulation results reflected the characteristics of airflow and temperature distribution. By simulation, there was a large circumfluence in flow field, which was harmful to cold storage of foodstuffs. The mainstream of flow field had the trend of closing to the wall. The velocity of mainstream had the trend of decreasing near the corner.

    Get Price
  • Numerical Simulation of Complex Air Flow in an Aeroengine ...

    2010-2-16 · The numerical results show that their impacts are insignificant, probably due to the strong pumping effects of the HP gear. Further discussion on the possible influence of the airflow on the oil motion within the gearbox and assistance to improve the traditional internal airflow models used for bearing chamber sealing analysis was also made.

    Get Price
  • Numerical Simulation Analysis of Different Flow Directions ...

    With the increase of service time, there will be a series of erosion wear. The DPM erosion prediction model in fluent software is used for numerical simulation analysis. The erosion and wear under different airflow directions are studied, and the areas with more severe erosion and wear are obtained.

    Get Price
  • Numerical Simulation of Gas Ventilation Mode in Highway ...

    2021-2-17 · 4.1. Distribution of Airflow Velocity Field in the Tunnel. The tunnel face is the most likely location where gas is emitted and accumulated, and the ventilation effect of this location directly affects the ventilation status of the entire tunnel. Therefore, the local airflow field of the tunnel face is the focus of this numerical simulation study.

    Get Price
  • Numerical Simulation on the Influence of Injection ...

    A numerical study has been performed to characterize the nozzle flow field of secondary injection thrust vector control (SITVC) and to estimate the performance parameters of SITVC. After validating the CFD turbulence models with an experimental data, a numerical simulation has been conducted in order to investigate the influence of changing the injection location, the injection angle, and the ...

    Get Price
  • Analysis of Airflow Field of Toss Device of Yellow Corn ...

    【Abstract】 Use a very important tool called ICEM CFD integrated in ANSYS Workbench to mesh the model of toss device and then apply the software FLUENT to simulate numerically and analyze the velocity distribution and pressure distribution,based on the RNG k-epsilon model.Numerical simulation results showed that air flow field and pressure distribution of toss device were asymmetry.Maximum ...

    Get Price
  • Experimental investigation and numerical simulation of small ...

    2019-6-1 · Experimental investigation and numerical simulation of small-volume transverse-flow air curtain Powder Technology ( IF 5.134) Pub Date : 2019-06-01, DOI: 10.1016/j.powtec.2019.04.063 Di Xiao, Xiaochuan Li, Weidong Yan, Zhenchang Fang

    Get Price
  • Energies

    In this paper, a general numerical methodology is developed and validated for the simulation of steady as well as transient thermal and electrical behaviors of thermoelectric generator (TEG)-based air flow self-cooling systems. The present model provides a comprehensive framework to advance the study of self-cooling applications by combining fluid flow, heat transfer and electric circuit ...

    Get Price
  • Numerical Simulations of Island Effects on Airflow and ...

    2010-6-1 · 1. Introduction. On a global scale, rainfall in the trade wind belt is minimal. However, rainfall over the Hawaiian Islands is frequent and abundant (Schroeder et al. 1977) because of terrain and local trade wind interactions.Hawaii’s array of microclimates, ranging from its humid and tropical windward flanks to dry and sometimes desertlike leeward areas (Giambelluca et al. 1986), make it an ...

    Get Price
  • Numerical simulation of airflow in animal occupied zones ...

    Air flow assessment in animal husbandry is an important issue in the context of welfare and emission. The aim of this study was to implement a porous medium approach for the numerical simulation of air flow in the animal occupied zone (AOZ) of a dairy building.

    Get Price
  • Numerical simulation of three-dimensional airflow in a ...

    2016-11-16 · The numerical simulation can provide insights on airflow studies and some guidelines for future prototyping and experiments to further improve the new design. Keywords dual-feed rotor spinning box , standard k-ɛ turbulence model , internal airflow , three-dimensional numerical simulation

    Get Price
  • NUMERICAL SIMULATION OF FLOW FIELD IN THE

    2015-4-4 · NUMERICAL SIMULATION OF FLOW FIELD IN THE HOMININE PHARYNGEAL CAVITIES OF DIFFERENT MORPHOLOGY NUMERICAL SIMULATION OF FLOW FIELD IN THE HOMININE PHARYNGEAL CAVITIES OF DIFFERENT MORPHOLOGY Yu, Chi; Wang, Gang; Chen, Shu-Hua 2015-04-04 00:00:00 Based on the data which came from the spiral Computerized Tomography (CT) …

    Get Price
  • Comparison of RANS and LES in the Prediction of Airflow ...

    The present study compared the prediction accuracy of the three CFD software packages for simulating airflow around a three-dimensional, isolated hill with a steep slope: 1) WindSim (turbulence model: RNG k-ε RANS), 2) Meteodyn WT (turbulence model: k-L RANS), which are the leading commercially available CFD software packages in the wind power industry and 3) RIAM-COMPACT (turbulence model ...

    Get Price
  • Laminar Airflow Computational Modelling in the Human

    2019-11-2 · Numerical simulations were carried out using finite volume techniques for flow velocity of 7.5, 10 and 15 L/min. Results show that changes in nasal airflow in the nasal valve and olfactory region alter the distribution of airflow. Separate nasal airflow patterns were …

    Get Price
  • CFD simulation and research on airflow organization in ...

    The paper deals with the numerical simulation of air distribution in oversize space using CFD professional software Fluent 6.0 and offers the analysis of the effect of velocity, the form of outlet and inlet and the size of inlet on air distribution. The results of numerical simulation show that it is fit for the oversize space when velocity of inlet is 10 m/s and the inlet is in the middle and ...

    Get Price
  • (PDF) Numerical Investigation of Data Center Raised-Floor ...

    2015-11-13 · The selections of simulation tool and the methods for simplifying and validating the models are key to predicting the data center's thermal behavior correctly. In addition, airflow performance ...

    Get Price
  • Numerical Analysis of Airflow Fields from New Melt-Blowing ...

    2020-5-28 · Numerical Analysis of Airflow Fields from New Melt-Blowing Dies for Dual-Slot Jets. ACS Omega ( IF 3.512 ) Pub Date : 2020-05-28 , DOI: 10.1021/acsomega.0c01668

    Get Price
  • Numerical simulation of three-dimensional airflow in a ...

    2016-11-16 · The numerical simulation can provide insights on airflow studies and some guidelines for future prototyping and experiments to further improve the new design. Keywords dual-feed rotor spinning box , standard k-ɛ turbulence model , internal airflow , three-dimensional numerical simulation

    Get Price
  • A numerical simulation of unsteady flow in a two ...

    2021-8-2 · A numerical simulation of unsteady flow in a two-dimensional collapsible channel - Volume 314 ... Modeling of Airflow in the Pharynx With Application to Sleep Apnea. Journal of Biomechanical Engineering, Vol. 120, Issue. 3, p. 416. ... but note that service fees apply.

    Get Price
  • Numerical Simulation and the Underlying Mechanism of a ...

    2021-4-19 · 2.2 Numerical Simulation 2.2.1 Setup of Numerical Experiments. The Advanced Research Weather Research and Forecasting (WRF) model, version 3.9 (Skamarock et al., 2008), was used to simulate the hail-producing convective system. The grid configuration is shown in Figure 3 and the model setups are summarized in Table 1.

    Get Price
  • CFD Simulation Singapore

    CFD or computational fluid dynamics is the study of the Fluid flow of liquids and gases in and around specifically engineered objects under study. It also involves the numerical modeling and simulation of thermal behaviors. The equations governing fluid …

    Get Price
  • Experimental and Numerical Study of Airflow Dynamics ...

    2017-10-17 · Kaissoun, S, Climent, E, Prevost, C, & Ricciardi, L. 'Experimental and Numerical Study of Airflow Dynamics Through an Opening in a Depressurized Enclosure: Application to Nuclear Decommissioning.' Proceedings of the 2017 25th International Conference on Nuclear Engineering. Volume 9: Student Paper Competition. Shanghai, China. July 2–6, 2017.

    Get Price
  • CFD Consulting - Professional Engineering Simulation ...

    This project involves our FSI Consulting Engineers performing Numerical simulation and predicting of the airflow over an airfoil and a wedge. The FSI analysis mainly included the supersonic flow over an airfoil and wedge to study the velocity and pressure …

    Get Price
  • Numerical Simulation of Aerodynamic Noise of

    2020-10-13 · Numerical simulation method, as an important means to study the flow field characteristics and noise characteristics of air compressors, has been widely used in recent years. This article takes the noise enclosure of a certain air compressor unit as the research object, and use numerical

    Get Price
  • A numerical study of the aerosol behavior in intra-acinar ...

    2020-10-6 · The airflow in G17, G18, and G23 is solved for these inspiration flow rates, assuming a parabolic air velocity profile at the model entrance. All the calculations were conducted as double-precision to more accurately determine the airflow and the particle behavior.

    Get Price
  • Numerical Simulation of Particles Deposition in a Human ...

    2015-2-12 · The numerical solutions of the continuity and momentum equations are carried out with Fluent. In the present simulation, the coupled airflow equations and pressure fields are solved by PISO algorithm with underrelaxation. The particle transport equation is also solved with the commercial software in combination with particle tracking.

    Get Price
  • Numerical study on aerodynamic characteristics of high ...

    In order to conduct in-depth researches on rationality of air conditioning system equipment of a high-speed train as well as its pipeline system design, working conditions of the air conditioning system and distribution of aerodynamic characteristics including pressure, velocity and temperature in high speed trains should be computed carefully at the design stage.

    Get Price
  • Numerical simulation of particle motion characteristics in ...

    The flow behavior of seed particles and airflow field in this system are analyzed in detail, and the effects of different variables related to venturi tube and operations are examined. The results show that as the nozzle convergence angle increases, the pressure at the nozzle gradually decreases and the pressure gradient extends.

    Get Price
  • (PDF) Narrow vein shrinkage stope ventilation measurement ...

    5.2 Numerical Simulation and Matching The analyses of concentration-time curve have been done by the numerical simulation model using equation (1) and Airflow route 2 best matching between simulation and measurement curves B Airflow route 1 Additional airflow.

    Get Price
  • Numerical Simulations on Airflow to the Double-Skin Fac ...

    Chow, CL. 'Numerical Simulations on Airflow to the Double-Skin Fac¸ade Cavity by an Adjacent Room Fire.' Proceedings of the ASME 2010 International Mechanical Engineering Congress and Exposition. Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and ...

    Get Price
  • Numerical Simulation of Air Pollution Control in Hospital ...

    2017-11-28 · In this work, simulation of airflow in a room of the ICU has carried away to examine air flow pattern using FLUENT 15 CFD software. Standard k-epsilon turbulence model is used for airflow simulation. Simulation is carried out using second-order upwind simple scheme.

    Get Price
  • Numerical simulation of pneumatic conveying ...

    In this paper, a mathematical model for the pneumatic transport of micron silica particles in the dust removal pipeline is established, and the gas-solid two-phase flow in the pipeline is numerically simulated. This paper is mainly based on the FLUENT fluid simulation module in ANSYS WORKBENCH to simulate the motion behavior of particles in the pipeline, and obtained the penetration rate ...

    Get Price
  • CFD Consulting - Professional Engineering Simulation ...

    This project involves our FSI Consulting Engineers performing Numerical simulation and predicting of the airflow over an airfoil and a wedge. The FSI analysis mainly included the supersonic flow over an airfoil and wedge to study the velocity and pressure …

    Get Price
  • Direct numerical simulation of a bubble motion in a ...

    The numerical simulation reproduces well the torque oscillations until the damping brings their magnitudes around the noise level. The damping of the oscillation is more important with the higher filling ratio because more liquid is subjected to the centrifugal acceleration. Finally, during the zero velocity phase at the end, the torque remains ...

    Get Price
  • Large Eddy Simulation of Airflow in a Single Family House

    2020-10-13 · Averaged Navier Stokes) for airflow movement. These works include particle dispersion in a ventilated room with objects inside with a zero equation model by Zhao and Guan (2007), cross and single side ventilation with a k- Ý model by Visagavel, et al. (2009), numerical simulation models for the calculation of heat transfer coefficients by

    Get Price
  • Numerical Zooming Between a NPSS Engine System

    2020-8-6 · A NPSS Version 1 simulation of a generic turbofan engine was created utilizing the zero-dimensional component elements and performance characteristics available within the NPSS system. The simulation setup enabled steady-state operation to fan airflow (total airflow) and fan pressure ratio at sea level static conditions and simulated take-off ...

    Get Price
  • Applications of the RAMS Numerical Model to Dispersion ...

    Jacobs, C.A., J.P. Pandolfo, and M.A. Atwater, 1974: A description of a general three-dimensional numerical simulation model of a coupled air-water and/or air-land boundary layer. IFYGL Final Report, CEM Report No. 5131–509a, The Center for the Environment and Man, Hartford, Connecticut.

    Get Price
  • Numerical Zooming Between a NPSS Engine System

    2020-8-6 · A NPSS Version 1 simulation of a generic turbofan engine was created utilizing the zero-dimensional component elements and performance characteristics available within the NPSS system. The simulation setup enabled steady-state operation to fan airflow (total airflow) and fan pressure ratio at sea level static conditions and simulated take-off ...

    Get Price
  • Numerical analysis of secondary airflow in a rotating ...

    2021-2-22 · Temperature and pressure ratios in gas turbines have grown over time to increase the performance and efficiency of the engine. This, in turn, has required improvements to the effectiveness of the secondary air system to enhance the cooling performance of critical components. Analysis of pressure losses in the secondary systems of aero gas turbines has identified a significant contribution …

    Get Price
  • Hong-Wei SONG

    A preliminary coupled thermal-fluid-structure numerical method which reflects interaction of laser, airflow and target is presented, in order to investigate failure behavior of the …

    Get Price
  • CFD Consulting - Professional Engineering Simulation ...

    This project involves our FSI Consulting Engineers performing Numerical simulation and predicting of the airflow over an airfoil and a wedge. The FSI analysis mainly included the supersonic flow over an airfoil and wedge to study the velocity and pressure …

    Get Price
  • Numerical simulation of Vortex-shedding from NACA4418 ...

    2018-12-13 · To get better understanding of vortex shedding mechanism, we conducted numerical simulation on NACA 4418 hydrofoil at an angle of attack of 12° for 2D incompressible flow. The numerical method consists of transient, finite volume method using Transient SST turbulent model to capture the turbulent wake flows. At high Reynolds number the occurrence of 2D structures of shed vortices and …

    Get Price
  • Advanced Applications of Numerical Weather Prediction ...

    Numerical simulation of terrain-induced turbulence over Lantau Island has been studied in Clark et al. (1997) with a horizontal resolution of 62 m in a tropical cyclone case.

    Get Price
  • Numerical study of the flow over the modified simple ...

    2020-12-9 · The numerical simulation results show that the size and the location of the recirculation zone are significantly affected by the superstructure length and width. The results obtained by Reynolds-averaged Navier-Stokes method were also compared well with both the time averaged Improved Delayed Detached-Eddy Simulation results and the ...

    Get Price
  • Experimental and Numerical Investigation on an Integrated ...

    2020-11-7 · Experimental and Numerical Investigation on an Integrated Thermal Management System for the Li-Ion Battery Module with Phase Change Material International Journal of Photoenergy ( IF 2.113) Pub Date : 2020-11-07, DOI: 10.1155/2020/4695419

    Get Price
  • Numerical Simulations on Airflow to the Double-Skin Fac ...

    Chow, CL. 'Numerical Simulations on Airflow to the Double-Skin Fac¸ade Cavity by an Adjacent Room Fire.' Proceedings of the ASME 2010 International Mechanical Engineering Congress and Exposition. Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and ...

    Get Price
  • 3D Simulation for Dynamic Characteristics of Airflow and ...

    The airflow dispersion behavior seriously impacts the removal efficiency of dust in the mine network. This paper describes the dynamic characteristics of airflow and dust dispersion regularity based on the computational fluid dynamic (CFD) methods under a typical structure in a laneway of coal mine.

    Get Price
  • Radiation Modeling

    Radiation using CFD Flow Modeling Numerical CFD Simulation Provides Rapid Evaluation of Design Alternatives CFD Simulations were performed of a Nordson-UV ultra-violet (UV) curing lamp used in the printing industry. A high-intensity lamp tube is surrounded by four water-cooled dichroic reflectors. Each plot depicts the relative amount of radiative heat transferred to the air.

    Get Price
  • Numerical Simulation Analysis of Airflow Distribution in ...

    The temperature field and velocity field in the passenger compartments of a high-speed train are the foundations of the study on airflow distribution.The performance of ventilation system in a high-speed train was analyzed by using CFD simulation technologies.By introducing UIC-553 standard,the paper used the temperature and velocity data of measuring points to verify the rationality of ...

    Get Price
  • Numerical simulation of complex air flow in an aeroengine ...

    The numerical results show that their impacts are insignificant, probably due to the strong pumping effects of the HP gear. Further discussion on the possible influence of the airflow on the oil motion within the gearbox and assistance to improve the traditional internal airflow models used for bearing chamber sealing analysis was also made.

    Get Price
  • Numerical simulation on hygrothermal environment of

    Numerical simulation on hygrothermal environment of whole buildings based on detailed building physics on heat and moisture transfer and airflow. Lee, M.; Ozaki, A. 7th International Symposium on Heating, Ventilating and Air Conditioning - Proceedings of ISHVAC 2011. 2011. p.

    Get Price
  • A Theoretical and Numerical Study of Turbulent Wind-Wave ...

    However, using the large-eddy simulation (LES) of airflow over water waves and linear analysis, we discover that in certain scenarios, the interactions between turbulent wind and waves can be explained by linear theory without pursuing turbulence stress models. In this thesis, we present two of these scenarios.

    Get Price
  • Comparison of RANS and LES in the Prediction of Airflow ...

    The present study compared the prediction accuracy of the three CFD software packages for simulating airflow around a three-dimensional, isolated hill with a steep slope: 1) WindSim (turbulence model: RNG k-ε RANS), 2) Meteodyn WT (turbulence model: k-L RANS), which are the leading commercially available CFD software packages in the wind power industry and 3) RIAM-COMPACT (turbulence model ...

    Get Price
  • Numerical Simulations of the Island-Induced Circulations ...

    2005-12-1 · For the numerical studies using MM5 by Chen and Feng (2001) for the island of Hawaii, and by Yeh and Chen (2003) for the island of Taiwan, the PBL “spinup” time is also on the order of 3-h simulation time. Therefore, a 12-h period is long enough to spin up the PBL in the model.

    Get Price
  • Numerical simulation of pollutant dispersion in urban ...

    2017-3-15 · The interaction between vehicular piston effect and mechanical ventilation was also considered. Numerical simulations using dynamic mesh method were performed on three traffic condition (i.e. idling, 10 km/h and 40 km/h), with fan on and off …

    Get Price
  • Hong-Wei SONG

    A preliminary coupled thermal-fluid-structure numerical method which reflects interaction of laser, airflow and target is presented, in order to investigate failure behavior of the …

    Get Price
  • A numerical study of the unstratified and stratified Ekman ...

    Please note: you will be unable to purchase articles on Cambridge Core between 8.00am and 11.00am (BST) on Tuesday 11 May. If you have any urgent queries, please visit the help pages to contact our customer service team.

    Get Price