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  • A numerical simulation of air flow in the human ...

    2021-1-6 · The directions of the air flow in the nasal cavity and two-dimensional contours in sections 1–3 are shown in Figs. 5a, b and c. As expected, in the narrow channels of the nasal cavity the air flow accelerated and reached a maximum value of 3.33 m/s (Fig. 5a, b). It can be also …

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  • A numerical simulation of air flow in the human ...

    2021-1-6 · simulation using computational fluid dynamics (CFD) as an alternative approach to studying airflow in human re-spiratory systems. Compared to natural measurements, CFD modeling is advantageous for a detailed study of air flow in the nasal cavity model. However, an accurate air-flow forecast requires careful selection of CFD models and rigorous ...

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  • Numerical Simulation of the Air Flow and Thermal

    2016-4-1 · Numerical Simulation of the Air Flow and Thermal Comfort in Aircraft Cabins . Mikhail Konstantinov, Waldemar Lautenschlager, Andrei Shishkin, Claus Wagner . German Aerospace Center, Institute of Aerodynamics and Flow Technology, SCART, Bunsenstraße 10, 37073 Göttingen, Germany . [email protected] . Abstract.

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  • Numerical Simulation of the Air Flow Around the Arrays of ...

    Метаподаци. This paper deals with the numerical simulation of air flow around the arrays of flat plate collectors and determination of the flow field, which should provide a basis for estimating a convective heat losses, a parameter which influences their working characteristics. Heat losses are the result of the reflection on the ...

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  • Three-Dimensions Numerical Simulation of Flow and

    【Abstract】 The method of numerical simulation and FLUENT software were combined to implement the threedimensional numerical simulation of the heat pipe air preheater.The fluid flow and thermal performance of the heat pipe air pre-heater in the furnace surplus heat recovery system were studied.According to the structure and heat transfer characteristic of the heat pipe air pre-heater,the ...

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  • Numerical simulation of an air-supported structure in the ...

    Numerical simulation of the tunnel test of large-scale air-supported model has been carried out as an example of using this technique. Wind tunnel study is described in the papers1, 2. Experimental deformed shape, pressure coefficients and aerodynamic forces were compared with the results of presented numerical simulation.

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  • Simulation and Visualization of Air Flow Around Bat

    2003-7-25 · Simulation and Visualization of Air Flow Around Bat Wings During Flight R. Weinstein, I. Pivkin, S. Swartz, D. Laidlaw, G. Karniadakis, K. Breuer Brown University, Providence, RI August 16, 2002 Problem We present a method for simulating and visualizing air flow around a static bat (order Chiroptera) wing geom-etry.

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  • CFD Simulation of Airflow Inside Oil Tank

    2021-1-5 · Client: Cement Manufacturer in India The Objective: To study the air flow inside oil tanks provided to scavenge the fuel vapors through the outlet. Challenges: Identifying and developing simulation domain from the CAD model; Application of suitable boundary …

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  • Simulation and Visualization of Air Flow Around Bat

    2005-6-27 · Simulation and Visualization of Air Flow Around Bat Wings During Flight 691 where = ∑P= φ 0 t 1 u t( ) is a mean (time-averaged) position of the markers and …

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  • Numerical simulation of intranasal air flow and ...

    A numerical simulation applying the computational fluid dynamics (CFD) solver Fluent 6.1.22 was performed displaying inspiratory intranasal air temperature and airflow patterns. Results: Due to resection of the turbinates the airflow pattern is disturbed resulting in a spacious vortex throughout the entire nasal cavity.

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  • Numerical Simulation of Flow Field of Air-Jet in Quenching ...

    The type of atomize-cool and air-cool are widely used in the world now. Air-jet is a very vital instrument in quenching by air-cooling. t is necessary to simulate the inner and outer flow-field of air-jet. By means of computational fluid dynamics soft system Fluent, numerical simulation of quenching air cooling process of air …

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  • Analysis and Simulation of Air Flow Field Surrounding ...

    Based on fluid dynamics and mathematical simulation method, the 3D finite element model of the air flow field around the grinding wheel is developed. The air flow pressure field and flow velocity near the grinding zone are analyzed. In results, the pressure and the velocity of the air flow …

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  • Fluid dynamic analysis of air flow inside a PC case

    The computer has three air inlets outlets, and it must be analysed how to place the fans to reduce the temperature of the processor as much as possible. All fans are of the same type. This fan can work at two speeds, the upper speed offers twice the flow rate than the lower speed, and the pressure-flow curve is known.

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  • Tridimensional simulation of the speed, pressure and ...

    The Geometry went through a numerical simulation process using the CFX 5,7. The obtained results showed the behavior of the air flow through the test chamber, and also it showed the variations of speed and pressure at the exit of the chamber and the calculations of the coefficient and the dragging force on the geometry of …

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  • A Multi-Agent Simulation of Collaborative Air Traffic Flow ...

    2009-1-7 · Keywords: agent-based modeling and simulation, air traffic flow management, collaboration, competition Introduction Air traffic in the United States of America (U.S.A.) is forecasted to double or triple by the year 2025 (Pearce, 2006). Recent simulations (Mukherjee, Grabbe, & Sridhar, 2008) of this

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  • A Computational Fluid Dynamics Simulation of Oil–Air

    2016-9-8 · A volume of fluid (VOF) computational fluid dynamics (CFD) approach is applied. A sector of a ball bearing is modeled with a fine mesh, and the detailed simulations show the flow behavior for different oil splits to the three feed locations of the bearing, thus providing information useful to understanding oil shedding into the bearing chambers.

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  • A Multi-Agent Simulation of Collaborative Air Traffic Flow ...

    A Multi-Agent Simulation of Collaborative Air Traffic Flow Management: 10.4018/978-1-60566-226-8.ch018: Today’s air traffic management system is not expected to scale to the projected increase in traffic over the next two decades. Enhancing collaboration between

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  • Advances of zero flow simulation of air conditioning ...

    2016-11-7 · Increased simulation robustness with systematic heat transfer coefficients analysis. Simulating refrigerant loops at (near) zero flow for large vapor compression cycles is challenging due to the fast dynamics in the model under those conditions, which drastically …

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  • Design and Simulation of Air-Breathing Micro Direct ...

    The design of the anode flow field is critical for yielding better performance of micro direct methanol fuel cells (µDMFCs). In this work, the effect of different flow fields on cell performance was investigated by the simulation method. Compared with grid, parallel and double-serpentine flow fields, a single-serpentine flow field can better improve the mass transfer efficiency of methanol ...

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  • Aerodynamic Flow Behavior Around a Vehicle Tutorial

    2021-6-18 · Tutorial: Aerodynamics Simulation of Flow Around a Vehicle. This tutorial shows how an incompressible turbulent airflow around a moving vehicle can be simulated. Figure 1 shows an example of the resulting flow behavior: Figure 1: Post-processing of the CFD simulation results with streamlines. This tutorial teaches how to:

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  • 133 An Eulerian-Eulerian CFD Simulation of Air-Water

    2021-7-8 · An Eulerian-Eulerian CFD Simulation of Air-Water flow in a Pipe Separator E.A. Afolabi1 and J.G.M Lee2 1Department of Chemical Engineering, Federal University of Technology, Minna, Nigeria. 2School of Chemical Engineering and Advanced Materials, Newcastle University, Newcastle upon Tyne, UK. Received: 27 November 2013; Accepted: 28 March 2014

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  • Design and simulation of air flow inside double wall ...

    2013-10-25 · Abstract: This paper presents a concept of the design and development of an infant incubator by increasing a number of an air flow slot for air-inlet and air-outlet inside a double wall infant incubator. The number of airflow inlet slot is increase to 2 while an airflow outlet slot is to 4 at the lateral side. The study is done by using FEM simulation to compare between single air flow slot ...

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  • Simulation Study of Cryogenic Air Separation Unit Using ...

    2014-8-22 · National Institute of Technology Rourkela Certificate This is to certify that the project entitled “Simulation Study of Cryogenic Air Separation Unit Using Aspen Hysys At Rourkela Steel Plant”, being submitted by Mr. Deepak Kumar Bhunya, Roll No. 212ME5404 in the partial fulfillment of the requirements for the award of the Degree of Master of Technology in Mechanical Engineering, is a …

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  • Simulation of Air Flow Through Ventilation Ducts

    Simulation of Air Flow Through Ventilation Ducts. In this report I study the airflow through ventilation ducts. By numerical simulation, the so-called k-factor has been estimated. The k-factor is the quotient of the airflow volume and the square root of the pressure drop over the duct. A two dimensional axial symmetric model has been used to ...

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  • CFD Simulation Types: Discretization, Approximation, and ...

    2021-5-24 · CFD simulations come in many flavors, depending on the intended behavior of the system. Different CFD simulation types involve selecting the right discretization scheme and approximations. More advanced simulations involve iterative computation, where the system is simulated and parameters are adjusted to maximize heat dissipation from the system.

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  • Computer simulation of air and methane T flow

    2015-5-4 · simulation applied to the behaviour of systems such as a mine ventilation system, which is made up of headings (branches), nodes and ventilation equipment. Having a model of the Computer simulation of air and methane flow following an outburst in transport gallery D-6, bed 409/4 by W. Dziurzyn′ski*, J. Krawczyk*, and T. Pałka* Synopsis

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  • Module Development and Simulation of the Variable ...

    2021-5-31 · efficiency by simulation is becoming concerns for professionals in this field[5-10]. This paper addresses the simulation of a variable refrigerant flow air-conditioning (VRF) system, which is earning popularity in commercial buildings such as small offices, shopping centers, hotels, and domestic occasions in China.

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  • Coupled Simulation of the Secondary Air Flow, Heat ...

    2013-7-9 · Coupled Simulation of the Secondary Air Flow, Heat Transfer, and Structural Deflection of a Gas Turbine Engine Guilherme Tondello, ... codes for secondary air flow and structural simulation for better evaluating temperature profiles and labyrinth seal behavior during operation.

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  • A numerical simulation of air flow in the human ...

    2021-1-6 · The directions of the air flow in the nasal cavity and two-dimensional contours in sections 1–3 are shown in Figs. 5a, b and c. As expected, in the narrow channels of the nasal cavity the air flow accelerated and reached a maximum value of 3.33 m/s (Fig. 5a, b). It can be also noticed that due to the deep shells of the nasal cavity, vortices ...

    Get Price
  • A numerical simulation of air flow in the human ...

    2021-1-6 · simulation using computational fluid dynamics (CFD) as an alternative approach to studying airflow in human re-spiratory systems. Compared to natural measurements, CFD modeling is advantageous for a detailed study of air flow in the nasal cavity model. However, an accurate air-flow forecast requires careful selection of CFD models and rigorous ...

    Get Price
  • Numerical Simulation of the Air Flow and Thermal

    2016-4-1 · Numerical Simulation of the Air Flow and Thermal Comfort in Aircraft Cabins . Mikhail Konstantinov, Waldemar Lautenschlager, Andrei Shishkin, Claus Wagner . German Aerospace Center, Institute of Aerodynamics and Flow Technology, SCART, Bunsenstraße 10, 37073 Göttingen, Germany . [email protected] . Abstract.

    Get Price
  • Numerical Simulation of the Air Flow Around the Arrays of ...

    Метаподаци. This paper deals with the numerical simulation of air flow around the arrays of flat plate collectors and determination of the flow field, which should provide a basis for estimating a convective heat losses, a parameter which influences their working characteristics. Heat losses are the result of the reflection on the ...

    Get Price
  • Three-Dimensions Numerical Simulation of Flow and

    【Abstract】 The method of numerical simulation and FLUENT software were combined to implement the threedimensional numerical simulation of the heat pipe air preheater.The fluid flow and thermal performance of the heat pipe air pre-heater in the furnace surplus heat recovery system were studied.According to the structure and heat transfer characteristic of the heat pipe air pre-heater,the ...

    Get Price
  • Numerical simulation of an air-supported structure in the ...

    Numerical simulation of the tunnel test of large-scale air-supported model has been carried out as an example of using this technique. Wind tunnel study is described in the papers1, 2. Experimental deformed shape, pressure coefficients and aerodynamic forces were compared with the results of presented numerical simulation.

    Get Price
  • Simulation and Visualization of Air Flow Around Bat

    2003-7-25 · Simulation and Visualization of Air Flow Around Bat Wings During Flight R. Weinstein, I. Pivkin, S. Swartz, D. Laidlaw, G. Karniadakis, K. Breuer Brown University, Providence, RI August 16, 2002 Problem We present a method for simulating and visualizing air flow around a static bat (order Chiroptera) wing geom-etry.

    Get Price
  • CFD Simulation of Airflow Inside Oil Tank

    2021-1-5 · Client: Cement Manufacturer in India The Objective: To study the air flow inside oil tanks provided to scavenge the fuel vapors through the outlet. Challenges: Identifying and developing simulation domain from the CAD model; Application of suitable boundary conditions and selection of appropriate turbulence model to ensure result accuracy

    Get Price
  • Simulation and Visualization of Air Flow Around Bat

    2005-6-27 · Simulation and Visualization of Air Flow Around Bat Wings During Flight 691 where = ∑P= φ 0 t 1 u t( ) is a mean (time-averaged) position of the markers and φk are the orthonormal spatial modes. The unknown functions

    Get Price