Showing papers in "International Journal of Thermal Sciences in 2022"

TL;DR: In this article , a multi-way twisted tape (MWTT) was applied to enhance the thermal treatment of Linear Fresnel Reflector (LFR) unit, and the operating fluid is Al 2 O 3 -water and temperature dependent formulas were employed.

TL;DR: In this paper, a novel thermal management system including wavy/stair channel liquid cooling and copper sheath is developed and studied experimentally in this investigation to control the temperature of cylindrical lithium-ion batteries.

TL;DR: In this article , a thermal management system including wavy/stair channel liquid cooling and copper sheath is developed and studied experimentally in this investigation to control the temperature of cylindrical lithium-ion batteries.

TL;DR: In this article , a novel hybrid metal foam-pin fin structure is designed and assessed to improve energy efficiency, and the phase change processes of paraffin that is filled in fins, metal foam, and a combination of both (hybrid structure) are evaluated.

TL;DR: In this paper , a 3D numerical model is developed to study the dynamic behaviors characteristics of molten pool in the oscillating laser welding process of 5052 aluminum alloy, and the characteristics of morphology, temperature field, flow field of the molten pool are analyzed and discussed in details by the numerical calculation.

TL;DR: In this article , a hybrid adaptive neuro swarm intelligence (HANSI) technique was proposed for predicting the thermal conductivity of unsaturated soils, which integrated artificial neural networks (ANNs) and particle swarm optimisation (PSO) with adaptive and time-varying acceleration coefficients.

TL;DR: In this paper , the authors explored thermal performance features for a coupled conjugate thermo-fluid system with different cooling configurations (flat channel (F-C), grooved channel (G-C) and impinging jets (I-J)) by using non-Newtonian nanofluid.

TL;DR: In this article , a micro-channel heat sink (MCHS) with micro-pin-fins was investigated numerically, and optimal configurations were obtained in terms of Reynolds number and porosity.

TL;DR: In this article, a three-dimensional fluid-solid conjugate model with symmetric and parallel wavy microchannels was studied, and the results showed that the symmetric configuration yields higher Nusselt numbers than the parallel one, and it is especially true for higher Reynolds numbers and larger amplitude-to-wavelength ratios.

TL;DR: In this article, an experimental and numerical investigation on the thermofluidic performance of Al2O3-water nanofluids through oblique fin heat sink microchannel (OFHS MC) was presented.

TL;DR: In this paper, the effects of using convergent, convergent-divergent and divergent conical wire coils in ethylene glycol and water mixture flow region on the augmentation of heat transfer are experimentally analyzed.

TL;DR: In this paper, a thermal management cooling system using heat sink, perforated heat sink and series configurations of dimples which are circular, elliptic, and cylindrical were performed.

TL;DR: In this article , a dual-band non-reciprocal thermal emitter was constructed by using a cascading one-dimensional (1-D) magnetophotonic crystal (MPC) heterostructure composed of two 1-D MPCs and a metal layer.

TL;DR: In this paper , an experimental study of the particle fouling properties based on Fe 3 O 4 -H 2 O-AG magnetic nanofluids was conducted, where the effects of variables including Reynolds number, magnetic field form, and magnetic flux density were analyzed.

TL;DR: In this paper, the performance of MWCNT+Fe3O4/water hybrid nanofluids as the coolant of a plate heat exchanger is experimentally investigated for particle concentrations in the range from 0.05 to 0.3vol % and for coolant flow rate from 3 to 7 lit/min.

TL;DR: In this paper, Liu et al. carried out numerical simulations and parameter sensitivity analysis to investigate the key factors of the fluid flow and heat transfer performance in rectangular microchannels, and considered variables included key physical parameters of the fluids and dimensions of the micro channels.

TL;DR: In this paper , an experimental and numerical investigation on the thermofluidic performance of Al2O3-water nanofluids through oblique fin heat sink microchannel (OFHS MC) in the Reynolds number range 100-300.

TL;DR: In this article , the performance of MWCNT + Fe 3 O 4 /water hybrid nanofluids as the coolant of a plate heat exchanger is experimentally investigated for particle concentrations in the range from 0.05 to 0.3 vol % and for coolant flow rate from 3 to 7 lit/min.

TL;DR: In this article , a three-dimensional fluid-solid conjugate model with symmetric and parallel wavy microchannels was studied, and the results showed that the symmetric configuration yields higher Nusselt numbers than the parallel one, and it is especially true for higher Reynolds numbers and larger amplitude-to-wavelength ratios.

TL;DR: In this article, a serrated wire coil (SWC) was used as a turbulent generator to enhance the heat transfer in heat exchangers, and the experimental results of heat transfer and friction loss were presented as dimensionless parameters, Nusselt number (Nu) and friction factors (f), respectively.

TL;DR: In this article , the effects of using convergent, convergent-divergent and divergent conical wire coils in ethylene glycol and water mixture flow region on the augmentation of heat transfer are experimentally analyzed.

TL;DR: Satisfactory results can always be obtained, which shows that the developed algorithm can be used to estimate the tunnel fire source as well as temperature prediction, and it has a very wide popularization and engineering application prospects.

TL;DR: In this article , Liu et al. carried out numerical simulations and parameter sensitivity analysis to investigate the key factors of the fluid flow and heat transfer performance in rectangular microchannels, and considered variables included key physical parameters of the fluids and dimensions of the micro channels.

TL;DR: In this article, an innovative narrowband absorber with a VO2-graphene-based Fabry-Perot (VGFP) multilayer structure using thermally and electrically tunable methods is presented.

TL;DR: In this article , by sandwiching a graphene monolayer between a top metallic grating and a bottom magneto-optical film backed with a metallic mirror, the authors achieved tunable non-reciprocal radiation effect.

TL;DR: In this paper, by sandwiching a graphene monolayer between a top metallic grating and a bottom magneto-optical film backed with a metallic mirror, a tunable non-reciprocal radiation effect is achieved at wavelength around 14.845μm when the incident angle is 30° and the external magnetic field is 3 T.

TL;DR: In this article , a thermal management cooling system using heat sink, perforated heat sink and series configurations of dimples which are circular, elliptic, and cylindrical were performed.

TL;DR: In this paper , a serrated wire coil (SWC) was used as a turbulent generator to enhance the heat transfer in heat exchangers under isothermal-flux conditions.

TL;DR: In this article , three innovative microchannel heat sinks with sector bump (MCSB), diamond bump (DBS) and MCDB were designed and compared to the straight microchannel with the same heat transfer area, the heat transfer and flow characteristics ( Nu , f and performance evaluation criterion PEC ) of three innovative heat sinks were investigated numerically.

TL;DR: In this paper , heat transfer coefficients for a radiant wall cooling system coupled with mixed and forced convection have been predicted by a machine learning approach by means of feed forward back propagation multi-layer perceptron neural network algorithms.