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641
The Modification of Sodium Polyacrylate Water Solution Cooling Properties by AL2O3
Published 2010-01-01“…Obtaining the smallest wetting angle for the medium containing nanoparticles suggests that the heat transfer to the cooling medium is larger. This allows slower cooling at the same time ensuring its homogeneity. …”
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642
Thermal radiation effects of ternary hybrid nanofluid flow in the activation energy: Numerical computational approach
Published 2025-03-01“…Significance: The remarkable thermal conductivity and heat transfer characteristics of nanofluids make them extremely valuable in thermal engineering and other areas. …”
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643
Numerical Simulation of Coupling Thermal and Mechanical Influence on Submerged Nozzle in Solid Rocket Motor
Published 2020-01-01“…In this paper, a simulation with the subroutine of nonuniform pressure and nonuniform heat transfer coefficient was conducted to study the thermo-structural response of a submerged nozzle at the pressure 6 MPa and stagnation temperature 3200 K. …”
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644
Exact Solutions for Unsteady Free Convection Flow of Casson Fluid over an Oscillating Vertical Plate with Constant Wall Temperature
Published 2015-01-01“…Expressions for shear stress in terms of skin friction and the rate of heat transfer in terms of Nusselt number are also obtained. …”
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645
Analysis of the Residual Stress and Deformation of Spiral Bevel Gear Heat Treatment Process based DEDORM Software Finite Element Simulation
Published 2016-01-01“…Based on the basic principles of heat transfer and thermal elastic- plastic theory,by using finite element method,the heat treatment analytical model of spiral bevel gear is established. …”
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646
Radiation effect on MHD free-convection flow of a gas at a stretching surface with a uniform free stream
Published 2002-01-01“…We investigate the problem of free convection heat transfer near an isothermal stretching sheet. This has been done under the simultaneous action of buoyancy, radiation, and transverse magnetic field. …”
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647
Influence of Slip Condition on Unsteady Free Convection Flow of Viscous Fluid with Ramped Wall Temperature
Published 2015-01-01“…The objective of this study is to explore the influence of wall slip condition on a free convection flow of an incompressible viscous fluid with heat transfer and ramped wall temperature. Exact solution of the problem is obtained by using Laplace transform technique. …”
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648
Analysis and simulation of turbulent flow around an immersed body with constant temperature using the Immersed Boundary Method
Published 2023-10-01“… In this study, we present an immersed boundary method to analyze interactions between fluids and bodies in two-dimensional (2D) flows around complex geometries, focusing on heat transfer and turbulence. The method uses an Eulerian grid for the fluid, and another Lagrangian grid for the immersed body, ensuring conditions of no slip and considering heat exchanges. …”
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649
Characteristics of Flow Development and Boiling Transitions in the Liquid Oxygen Chill-Down Process in a Straight Horizontal Exit-Contracted Pipe
Published 2023-01-01“…Based on the transition points obtained, heat transfer coefficients on the Leidenfrost point and critical heat flux have been correlated for various pressure sections using new approaches. …”
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650
Modelling the Desorption of Ethanol from an Externally Heated Saturated Activated Carbon Column by Purging with Air
Published 2010-11-01“…A theoretical model was developed for describing the mass- and heat-transfer kinetics of the process. Validation of the model was achieved by comparing its predictions with experimental data, employing initial column temperatures between 298 K and 395 K and air flow rates between 1.6 × 10 −6 m 3 /s and 11.3 × 10 −6 m 3 /s. …”
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651
Estimation of extreme temperatures in direct solar methane pyrolysis within a porous medium
Published 2025-01-01“…By solving a two-dimensional heat transfer problem and applying an inverse optimization algorithm, we estimate the quasi-steady state spatial temperature distribution in a fibrous porous carbon substrate. …”
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652
Research of Three Dimensional Transient Temperature Rise Characteristic of Wet Brake
Published 2017-01-01“…Aiming at the thermal fatigue problem of off-road vehicles under continuous braking,a three-dimensional transient thermal-mechanical coupling analysis model of wet brake is established,the influence of thermal boundary on the temperature rise are considered,such as heat flux,heat flux distribution coefficient and convective heat transfer coefficient. By using finite element analysis software ANSYS,the changing situation of wet brake disc of off-road vehicles in the continuous braking process is simulated,the distribution of disc temperature field and stress field are obtained. …”
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653
Modeling and Analysis of Energy/Exergy for Absorber Pipes of Linear Parabolic Concentrating Systems
Published 2021-01-01“…Then, the mathematical model of heat transfer in the absorber pipe of the collector has been presented based on valid references. …”
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654
Tubular Ridge Surfaces with Intensified Heat Exchange and Technology of Their Manufacturing for Air Coolers of Fuel and Energy Complex
Published 2013-06-01“…Heat exchange BRP differ from the applied ones in heat-transfer coefficient which is higher by 10–15 %, extended temperature of applicability up to 320 °С for a cooled heat carrier at the pipe input, higher thermal reliability at alternating thermal burdens, current consumption for their manufacturing which is less by 1.8–2.5-fold, aluminium consumption which is less up to 1.8-fold, manufacturability in batch production, availability high-production equipment.…”
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655
Gear Modification Design Considering Axis Parallelism Deviation and Thermal Deformation
Published 2016-01-01“…Taking the involute spur gear pair as the research object,the tooth surface convection heat transfer equation is obtained based on the improved friction heat spread by centrifugal ejection model,the tooth surface heat flow equation is obtained based on finite element method and friction heat analysis,on this basis,the gear pair bulk temperature is analyzed considering axis parallelism deviation. …”
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656
Performance Optimization of an Air-Standard Irreversible Dual-Atkinson Cycle Engine Based on the Ecological Coefficient of Performance Criterion
Published 2014-01-01“…This paper presents an ecological performance analysis and optimization for an air-standard irreversible Dual-Atkinson cycle (DAC) based on the ecological coefficient of performance (ECOP) criterion which includes internal irreversibilities, heat leak, and finite-rate of heat transfer. A comprehensive numerical analysis has been realized so as to investigate the global and optimal performances of the cycle. …”
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657
Interfacing TRNSYS with MATLAB for Building Energy System Optimization
Published 2025-01-01“…Using this framework, a comprehensive comparison of the optimization solvers in GenOpt and the MATLAB Optimization Toolbox for the identification of the overall heat transfer coefficient of a TRNSYS heat exchanger model regarding the optimization time and number of iterations is presented as a use case. …”
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658
Flow Simulations Using Two Dimensional Thermal Lattice Boltzmann Method
Published 2012-01-01“…Numerical simulation of two-dimensional convective heat transfer problem is conducted using two-dimensional, nine directional D2Q9 thermal lattice Boltzmann arrangements. …”
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659
FEM of Temperature Field of Rolling-sliding Compound Bearing
Published 2016-01-01“…Taking the slide block of rolling-sliding compound bearing as a research object,a local heat transfer model is set up for rolling-sliding compound bearing between slide block and inner and outer raceway and cylinder.The contact surface temperature distribution between slide block and inner,outer raceway is analyzed by using the structure thermal- stress coupling effect of the finite element software ABAQUS.The temperature distribution characteristic of the rolling-sliding compound bearing under different revolving speed and radial load conditions are obtained.The results show that,the contact surface temperature between slide block and inner,outer raceway rising with the increasing of load and rotating speed.There is large difference in the temperature of various nodes on the contact surface of slide block with inner and outer raceway,the feasibility of the finite element analysis of temperature for the slide block of rolling- sliding compound bearing is verified.…”
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660
General Solution for Unsteady MHD Natural Convection Flow with Arbitrary Motion of the Infinite Vertical Plate Embedded in Porous Medium
Published 2022-01-01“…This article has concentrated on heat transfer analysis in the unsteady MHD natural convection flow of viscous fluid under radiation and uniform heat flux over an infinite vertical plate embedded in a porous medium. …”
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