Showing papers in "Case Studies in Thermal Engineering in 2020"

TL;DR: A comparison of the proposed and current algorithms reveals that the accuracy of fire detection algorithms based on object detection CNNs is higher than other algorithms, and the YOLO v3 algorithm has stronger robustness of detection performance, and its detection speed reaches 28 FPS, thereby satisfying the requirements of real-time detection.

TL;DR: Details of various feasible cooling methods, including novel and advanced solutions for P.V. panels are presented to provide better insight and valuable guidelines for researchers who intend to study, improve or optimise any type of cooling techniques of P·V.

TL;DR: In this paper, the Akbari-Ganji's method was used to solve the nonlinear flow and heat transfer of magnetohydrodynamic squeezing nanofluid flow between two infinity parallel plates.

TL;DR: In this paper, the authors present a computational analysis approach to characterize the temperature distribution and pressure drop using nanofluids flowing in the corrugated mini-channel of the EV battery cooling module.

TL;DR: In this paper, the specification of 3D flow stagnation point of hybrid nanofluids passing through circular cylinder with sinusoidal radius is analyzed, where C2H6O2, H2O and Engine oil are used as an ordinary liquid, while nano-particles include SWCNT and MWCNT.

TL;DR: In this paper, passive cooling systems were constructed with a heat pipe and phase change material (PCM), and their performances were investigated with battery simulators with a temperature range of 25-55°C.

TL;DR: In this article, an experimental investigation has been conducted for studying the effects of graphene nanofluids on the convective heat transfer in a vertical shell and tube heat exchanger.

TL;DR: In this paper, the thermal stability of an electrically conducting nanofluid is deliberated comprehensively by considering the presence of an externally applied magnetic field along with an imposed vertical throughflow.

TL;DR: In this article, the authors dealt with the thermal radiation and hall effects on peristaltic blood flow with double diffusive convection of gold nanoparticles through an asymmetric channel under the long wavelength and low Reynolds number assumptions.

TL;DR: In this paper, Pathfinder software was utilized to simulate the evacuation in a subway station and the results showed that the pressure of evacuation is mainly at stairway entrance and the width of exit has little effect on relieving the evacuation pressure.

TL;DR: In this paper, a dual oscillating absorber copper pipe flow that was designed based on the water-based hybrid photovoltaic thermal (PVT) system was developed and studied.

TL;DR: In this article, the authors explored the significance of thermal radiation on mixed convective boundary layer flow of a hybrid (SiO2-MoS2/H2O) nanofluid.

TL;DR: In this article, the influence of torrefaction temperature and duration time on the mass yield, enhancement factor, energy yield and chemical-physical properties of sugarcane bagasse were investigated.

TL;DR: In this article, a rotating hollow cylinder was used within the solar still to increase the surface area of evaporation and reduce the boundary layer thickness of untreated water film, and the second stage included the integration of an external solar collector with the modified solar still (MSS) to raise the basin saltwater temperature.

TL;DR: In this paper, a solar air heater was proposed to suit the atmosphere of the city of Baghdad in winter using nano-silicon carbide (SiC) to improve its thermophysical properties.

TL;DR: In this article, three distinct hybrid nanofluids such as aluminium oxide-silicon dioxide/water (A l 2 O 3 − S i O 2 / H 2 O ), aluminium oxide -titanium dioxide/Water ( A l 2 o 3 − T i o 2 /H 2 O ) and titanium dioxide-sicon dioxide /water ( T i O2 − S I O 2/H 2O ) are used in this study through Marangoni boundary condition.

TL;DR: In this paper, the performance of a megawatt-scale grid-connected rooftop solar photovoltaic (PV) plant installed on the building rooftops of an educational institute (GITAM Deemed to be University) located in coastal regions (longitude 83° 23' 6.54'' E and latitude 17° 48' 8.208'' N).

TL;DR: In this paper, a numerical analysis of the buoyantly convective non-Newtonian fluid flow equipped in hexagonal shaped cavity is presented, where a uniformly heated T-shaped fin is embedded at lower wall of hexagonal cavity.

TL;DR: In this paper, a parametric study based on lapping fin height, number of fin, fin spacing, windspeed and solar irradiance on the PV module performance were investigated using CFD, ANSYS, FLUENT.

TL;DR: A nanofluid and nano-PCM (paraffin wax) based PV/T hybrid collector has been employed in this article, where the experiments focus on the electrical performance and characteristics of the PV module under the weather conditions of Bangi-Malaysia.

TL;DR: In this article, the influence of Arrhenius activation energy in heat and mass transfer of second grade nanofluid flow is analyzed and the results show that the concentration profile augments with activation energy and decreases with exponential fitted rate.

TL;DR: In this paper, the Nusselt number and friction factor correlations of a solar air collector with inclined baffles were derived on the basis of experimental data, and an evaluation of the exergy performance of the collector was conducted.

TL;DR: In this paper, a numerical study is conducted on the effect of the heating and cooling conditions on phase change kinetics of paraffin embedded in a metal foam, where a new mathematical model based on the Brinkmann-Forchheimer-extended Darcy equation and the local thermal non-equilibrium model is proposed by applying a two-energy equation.

TL;DR: In this article, the authors presented the preparation and characterization of phase change material enhanced by metallic NPs alumina (Al2O3) and nonmetallic NPs multiwall carbon nanotubes (MWCNTs).

TL;DR: In this article, the authors analyzed the influence of porosity and pore density of copper foam on the thermal performance of the paraffin-metal foam composite phase change material (PCM).

TL;DR: In this paper, a comparative thermal performance assessment during charging is achieved for a shell-and-tube-type latent heat storage unit (LHSU) using different fin geometries.

TL;DR: In this article, a case study on an examination of hydrodynamic forces experienced by partially heated circular obstacles in a grooved channel is devoted to report case study, where two partially heated rectangular ribs are placed in between channel as obstacles.

TL;DR: In this paper, the results of the thermal performance of the photovoltaic-ventilated mixed-mode greenhouse solar dryer have been investigated, and the results obtained from this study can be used to design the system dryer practically shorten the drying time of the Ganoderma.

TL;DR: In this paper, the significance of double-diffusive convection and induced magnetic field on peristaltic flow of pseudoplastic nanofluid in a tapered asymmetric channel with different four wave forms have been investigated.

TL;DR: In this article, a comparison between the magnetohydrodynamic (MHD) flow and heat transfer of non-Newtonian (Sodium Alginate) base fluid with three ferroparticles, that is Cobalt ferrite (C o F e 2 O 4 ), Manganese-Zinc ferrite(M n − Z n F e 4 ) and Nickel -Zinc-ferrite (N i − Z N F e 6 O 4 ), over an unsteady contracting cylinder was performed.