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441
Numerical simulation of dissimilar metal welding and its verification for determination of residual stresses
Published 2016-03-01“…The commercial finite element code MSC.Marc is used to obtain the numerical results by implementing the Goldak’s double ellipsoidal shaped weld heat source and combined convection radiation boundary conditions. Residual stress measurements are performed on welded joints to validate the simulation results. …”
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442
New Exact Solutions of Kolmogorov Petrovskii Piskunov Equation, Fitzhugh Nagumo Equation, and Newell-Whitehead Equation
Published 2020-01-01“…Similarly, the NW equation is applied for chemical reactions, Faraday instability, and Rayleigh-Benard convection. The proposed technique FIM can be applied to find the exact solutions of PDEs.…”
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443
Thermal Coupling Analysis and Fatigue Life Prediction of Unidirectional Self-increasing Brake
Published 2020-10-01“…In the process of braking, the change law of temperature field of brake drum is mainly affected by heat flux, convection heat transfer and heat conduction. The stress field of brake drum is mainly affected by the initial position and the contact between the inner surface of brake drum and the surface of friction sheet.…”
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444
RAPID CALCULATION OF THE THERMAL IMPULSE TRANSIENT STRESS OF THE PRESSURIZER SPRAY NOZZLE BASED ON DOUBLE TEMPERATURE BOUNDARY GREEN’S FUNCTION
Published 2020-01-01“…The accuracy of the two temperature boundary Green’s function is verified by comparing with the direct calculation results of finite element method.Studies have shown that the Green’s function should be established separately for subdivisions which are divided according to the differences of the flow heat transfer boundary( such as the convection heat transfer coefficient) and the width of the temperature range. …”
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445
Heat Transfer Augmentation: Experimental Study with Nanobubbles Technology
Published 2022-01-01“…Atmospheric air was chosen as the cold fluid. The natural convection heat transfer rate between hot and cold fluid streams was analyzed with and without the generation of micronanobubbles in the hot fluid. …”
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446
Ensemble Hydrometeorological Forecasts Using WRF Hourly QPF and TopModel for a Middle Watershed
Published 2014-01-01“…These rainfall events range from local to synoptic scale convection and caused a significant increase in the level of the Iguaçu river. …”
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447
The Study for Saving Energy and Optimization of LED Street Light Heat Sink Design
Published 2015-01-01“…The results showed that the maximum temperature on the fin surface dropped by 2.62°C in environments without forced convection, which indicated improved lighting efficiency. …”
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448
Numerical Analysis of Nanofluids in Differentially Heated Enclosure Undergoing Orthogonal Rotation
Published 2014-01-01“…Natural convection heat transfer in a rotating, differentially heated enclosure is studied numerically in this paper. …”
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449
Evolutionary Optimization of Electronic Circuitry Cooling Using Nanofluid
Published 2012-01-01“…The goals of this study are to evaluate heat transfer in a nanofluid heat sink with developing laminar flow forced convection, taking into account the pumping power penalty. …”
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450
Aerosol Particles Generated by Coughing and Sneezing of a SARS-CoV-2 (COVID-19) Host Travel over 30 m Distance
Published 2020-12-01“…Abstract A fast-computational 3D model comprising fluid dynamics with heat transfer, mass transfer and diffusion of diluted species has been adapted and employed to evaluate dispersion of aerosol particles in various environments. Effects of convection flow, atmospheric diffusivity and humidity on evolution and travel distances of exhaled aerosol clouds by an infected person are modelled. …”
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451
Research on Gear Modification Considering Thermal Deformation
Published 2023-03-01“…Based on the basic theories of gear meshing principle and gear modifying principle, the following studies have been made: a parametric model of gear thermo-mechanical coupling is established using the finite element simulation software; the steady-state heat balance equations for each face of the gear teeth are determined, and the finite element simulation software is used to automatically impose convection boundary conditions and frictional heat fluxes on each point of the gears. …”
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452
Numerical simulations of irreversibility for nonlinearly radiative and chemically reactive flow of Maxwell fluid
Published 2025-01-01“…Also, unsteadiness in the flow, porosity and magnetic effects enhance the shearing stress on the surface leading to greater surface friction while solar radiation and surface heating due to nonlinearity in radiative force favour the heat transferable rate leading to an improvement in convection rate. These inferences can be helpful in the development of proper thermal electronic and industrial devices with solar radiation applications.…”
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453
Simulations of a Single-Phase Flow in a Compound Parabolic Concentrator Reactor
Published 2018-01-01“…CFD was calculated under turbulent flow conditions solving the Reynolds averaged Navier–Stokes (RANS) equation expressed in terms of turbulent viscosity and the standard k−ε turbulent model in 3D. A 3D diffusion-convection model was implemented in the CPC reactor to determine the RTD. …”
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454
Climate change dominates over urbanization in tropical cyclone rainfall patterns
Published 2025-01-01“…Abstract The role of climate change and urbanization has typically been considered in isolation of each other and it remains unclear which one has a more dominant effect in terms of changes in rainfall from tropical cyclones. Here, we employ a convection-permitting numerical model to quantify the relative effects of urbanization and climate change on rainfall from ten typhoons across a highly urbanized area in China. …”
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455
STUDY ON FLOW CHARACTERISTICS OF WAVE-SHAPED RODS WITH SPATIAL ANGLE OF ATTACK
Published 2021-01-01“…The large eddy simulation method is used to analyze the flow characteristics of wave members with convection angle under high Reynolds number. The velocity and pressure distribution laws of wave members with different wavelengths were investigated,and characteristics about time-domain and frequency-domain of the circumferential pressure coefficient,drag and lift were discussed. …”
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456
The Effect of Photovoltaic Panels on the Rooftop Temperature in the EnergyPlus Simulation Environment
Published 2016-01-01“…The results demonstrate that heat transfer by convection, radiation, and conduction in the air gaps between PV panels and the building envelope can be simulated in the EnergyPlus environment when these air gaps are in the “air conditioning zone.” …”
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457
Aviation Model: A Fine-Scale Numerical Weather Prediction System for Aviation Applications at the Hong Kong International Airport
Published 2013-01-01“…Some impacts of physical processes on generating the fine-scale wind circulation and development of significant convection are illustrated. The paper also discusses the limitations in the current model setup and proposes methods for the future development of AVM.…”
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458
An Iterative Method for Solving of Coupled Equations for Conductive-Radiative Heat Transfer in Dielectric Layers
Published 2017-01-01“…A nonlinear stationary boundary-value problem for coupled heat and radiation transfer equations for the layer, which exchanges by energy with external medium by convection and radiation, has been formulated. In the case of optically thick layer, when its thickness is much more of photon-free path, the problem becomes a singularly perturbed one. …”
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459
African Easterly Waves and Cyclonic Activity over the Eastern Atlantic: Composite and Case Studies
Published 2011-01-01“…A case study using rawinsonde data showed that the developing AEW is associated with dynamic and thermodynamic conditions conducive for deep convection and subsequent cyclogenesis compared to the non-developing AEW case.…”
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460
Observational and Simulative Study of a Local Severe Precipitation Event Caused by a Cold Vortex over Northeast China
Published 2017-01-01“…The intensity of the cold center modulated the strength of the convective cells and resulting precipitation quantity. …”
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