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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 a Train Cabin M. Konstantinov 1 and C. Wagner 1,2 1Institute of Thermodynamics and Fluid Mechanics University of Technology Ilmenau, Germany 2Institute of Aerodynamics and Flow Technology German Aerospace Center, Göttingen, Germany Civil-Comp Press, 2014

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  • CFD Simulation of the Increase of the Roof Ventilation ...

    2019-9-28 · For scenario S8 it is observed that the flow patterns present a displacement behavior that enters CTG through the windward side ventilation and a small flow through the fixed roof ventilation of the second span in contact with the air flow, the mean velocities obtained were 0.14, 0.61 and 2.29 ms-1 being 7.6, 8.9 and 6.0 % with respect to S1 ...

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  • Air Flow Simulation (CFR 232, 238) - Heartwood

    Air Flow Simulation (CFR 232, 238) BACKGROUND & PROBLEM: It is difficult to convey how air flows through locomotives, rail cars and how components are interconnected. Knowing this information would benefit Transportation and Mechanical employees performing inspections.

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  • Scientists Create Detailed Simulation of Air Flow After ...

    2021-6-30 · In a coughing event that lasts for 0.4 seconds and has a maximum exhaled air speed of 4.8 m/s, the flow first generates a turbulent stream of air that is hotter and more humid than that of the environment. Once the expiration is over, the stream turns into a puff of air that rises because of flotation and its lack of weight while it dissipates.

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  • Simulation of Air Flow Distribution in a Tray Dryer by CFD

    2015-5-19 · distance of product far from the air inlet, the air velocity decreased. However the uniformity of air flow distribution to each level of product at the same column are acceptable. Key-Words: - Tray dryer, drying simulation, kenaf core drying. 1 Introduction . Tray dryers are the most widely used dryers for

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  • Three-dimensional simulation on behavior of water film ...

    2014-12-1 · If three-dimensional simulation takes the whole flow region as the computational domain, it will lead to a considerable computational cost. This study applies periodic boundary conditions to simulate the fully developed film flow in a relatively short domain (150δ × 4δ × 150δ) which is shown in the dotted frame in Fig. 1.The domain contains thin film on a flat plate with air on the top of it.

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  • (PDF) Coupled Simulation of the Secondary Air Flow, Heat ...

    2019-1-4 · Core shooting process has a great influence on the quality of sand cores. At present, there are two computational fluid dynamic models applied to simulate the hydrodynamics of core shooting process. In this paper, a two-fluid model (TFM) simulation is made on fluid dynamic analysis. With validation of experimental results and discrete particle model (DPM) simulations, the TFM is able to ...

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  • Simulation of Sand Filling Process and Analysis of Flow ...

    2005-6-1 · Then, the simulation of the process with the two models suggested in this paper reveals the control mechanism for the mass transfer, and the experimental measure of air outlet temperature evolution reveals if the process approximates to air plug flow or air complete mixing behavior.

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  • Mathematical simulation of convection food batch drying ...

    2020-9-7 · In this study, thermo-fluid characteristics of elliptical annular finned tube heat exchanger were numerically studied in detail. Transition SST model was utilized to simulate turbulent flow. Effects of air velocities, horizontal to vertical fin diameter ratios, and fin densities were examined in detail. The simulations indicate superior performance of elliptical fin layout. It was shown that ...

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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 a Train Cabin M. Konstantinov 1 and C. Wagner 1,2 1Institute of Thermodynamics and Fluid Mechanics University of Technology Ilmenau, Germany 2Institute of Aerodynamics and Flow Technology German Aerospace Center, Göttingen, Germany Civil-Comp Press, 2014

    Get Price
  • Modeling and simulation of pore-scale multiphase fluid ...

    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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  • Numerical Simulation of the Air Flow and Thermal

    2016-4-1 · Numerical Simulation of the Air Flow and Thermal Comfort in a Train Cabin M. Konstantinov 1 and C. Wagner 1,2 1Institute of Thermodynamics and Fluid Mechanics University of Technology Ilmenau, Germany 2Institute of Aerodynamics and Flow Technology German Aerospace Center, Göttingen, Germany Civil-Comp Press, 2014

    Get Price
  • Numerical simulation on the behavior of a liquid jet into ...

    A numerical simulation has been performed to clarify the effects of turbulence in a liquid on the deformation of the liquid jet surface into an air flow. The turbulences in the liquid jet were simulated by the Rankin vortices, and the liquid jet surface was tracked numerically by the volume of fluid method.

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  • Air Flow Simulation (CFR 232, 238) - Heartwood

    Air Flow Simulation (CFR 232, 238) BACKGROUND & PROBLEM: It is difficult to convey how air flows through locomotives, rail cars and how components are interconnected. Knowing this information would benefit Transportation and Mechanical employees performing inspections.

    Get Price
  • Numerical Simulation of Flow and Combustion ...

    2019-12-12 · Simulation results also indicate that an OFA nozzle angle set below 30° moves the mixing point of the OFA flow and the up-flowing gas downward, further aiding combustion in the upper furnace. However, when the angle increases above 30°, OFA is unable to reach the furnace center, weakening combustion in the furnace, because no reaction with ...

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  • Numerical simulation of heat transfer to separation air ...

    Oon CS, Togun H, Kazi SN, Badarudin A, Zubir MNM, Sadeghinezhad E. Numerical simulation of heat transfer to separation air flow in an annular pipe. International Communications in Heat and Mass Transfer . 2012 Oct;39(8):1176-1180.

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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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  • Coupled CFD-DEM Simulation of Seed Flow in an Air

    Air seeding equipment consists of various machine components that rely on pneumatic conveying of seeds (granular material) for its operation. However, studying air seeder dynamic features in detail is difficult through experimental measurements. A simulation was performed to study seed motion in a horizontal tube section of an air seeder distributor system.

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  • Experimental investigation and numerical simulation of

    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

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  • Collision Integrals of High-Temperature Air Species ...

    2012-5-23 · Nonequilibrium air flow predictions with a high-fidelity direct simulation Monte Carlo approach 29 March 2019 | Physical Review Fluids, Vol. 4, No. 3 Investigation on chemically non-equilibrium arc behaviors of different gas media during arc decay phase in a model circuit breaker

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  • Air, Fluid Flow, and Thermal Simulation of Data Centers ...

    2012-11-14 · AIR, FLUID FLOW, AND THERMAL SIMULATION OF DATA CENTERS 6 Design requirements for the data center changed, requiring more cabinets. Rearranging the location of the higher-density cabinets also required a different floor tile distribution, as shown below. All other setup information is the same as for the air curtain simulation.

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