... an improvement in the thermal or dynamic conditions of the device. Really, variations in heating conditions can be introduced directly, avoiding obstacles. The effect of discrete heat sources on the natural convection airflow inside an isolated solar chimney has been discussed experimentally and numerically...

... for two carboxyl methyl cellulose (CMC) solution concentrations. The results show that natural convection occurs earlier in the temperature-dependent fluid properties, which leads to attaining a desired level of sterility within a shorter time than the constant properties of the fluid. The variations...

...Gloria Biswal; Subhasisa Rath; Sukanta Kumar Dash In this work, numerical simulations are carried out to delineate the natural convection and surface radiation heat transfer characteristics of vertically oriented isothermal helical coils having a constant surface area. Numerical computations using...

...Basanta Kumar Rana; Jnana Ranjan Senapati An attempt has been made to study the natural convection around a hollow vertical cylinder numerically which is suspended in motionless power-law fluids in the laminar range. The influence of various non-dimensional pertinent parameters, such as Grashof...

...@vssut.ac.in 1 Corresponding author. Email: santosh.senapati@manipal.edu Email: manojigit87@gmail.com 27 04 2022 05 08 2022 05 08 2022 22 09 2022 IRS natural convection cylindrical funnel circular perforation numerical simulation Vertically placed...

... number natural convection LHTES conduction energy systems heat exchangers melting and solidification The annual global energy demand can be met through solar energy radiation falling on the earth’s surface in one day [ 1 ]. Despite the fact, fossil fuels dominantly contribute to catering...

..., such as temperature field, local Nusselt number distribution along the conducting walls, average Nusselt number, and velocity field. The experiment is performed to investigate laminar and steady natural convective flow in a water-enclosed cubic cavity with a left hot wall and a right cold wall. The analysis...

... limit imposed by the international standard for implantable devices. A 3D finite element model, including blood perfusion and natural convection fluid flow of the eye, was created. The device was placed 1.95 mm from the iris, which experienced less than 2°C rise in the tissue temperature at a maximum...

...Ajay Vallabh; P. S. Ghoshdastidar This paper presents a steady-state heat transfer model for the natural convection of mixed Newtonian-Non-Newtonian (Alumina-water) and pure non-Newtonian (Alumina-0.5 wt% Carboxymethyl Cellulose (CMC)/water) nanofluids in a square enclosure with adiabatic...

... Comparison of Conjugate and Non-Conjugate Natural Convection for Internally Heated Semi-Circular Pools ,” Int. J. Heat Fluid Flow , 22 ( 6 ), pp. 650 – 656 . 10.1016/S0142-727X(01)00124-2 [15] Hariti , Y. , Hader , A. , Amallah , L. , Achik , I. , and Boughaleb , Y. , 2019...

... a significant effect on heat transfer and fluid flow inside the enclosure. Furthermore, the increase in Ha enervates the strength of flow and it leads to the deterioration of heat transfer. nanofluids thermophysical properties thermal conductivity magnetic field natural convection orthogonal heaters...

...-Elaziz , M. , and Mohamed , R. , 2011 , “ Unsteady Natural Convection, Heat and Mass Transfer in Inclined Triangular Porous Enclosures in the Presence of Heat Source or Sink: Effect of Sinusoidal Variation of Boundary Conditions ,” Transp. Porous. Med. , 87 ( 1 ), pp. 7 – 23 . 10.1007/s11242...

... analysis was performed to study the effect of zero nanoparticles flux (ZNF) on natural convection over an isothermal vertical truncated cone embedded in Darcy porous media filled with a nanofluid. Thermophoresis and Brownian motion effects are also considered. After the coordinate transformation...

... orientation of non-isothermal fins, the property variation on natural convection is performed by Roy and Das [ 23 ]. The present investigation is an extension of this study but on an isothermal fin array along with detail explanations of each parameter. A large number of investigations on the effect...

... procedures to ensure that the reactor is shut down safely after the reactor operation. Fig. 3 Control console for reactor control and operation Control console for reactor control and operation The GHARR-1 is cooled by natural convection where the coolant water is driven by the density...

...Mustapha Faraji; El Mehdi Berra This paper reported the mathematical modeling and numerical simulation of natural convection flow of Cu/water nanofluid in a square enclosure using the lattice Boltzmann method (LBM). The cavity is heated from below by heat source and cooled by the top wall...

...Dileep V. Nair This work presents a simple method to improve natural convection heat transfer performance of horizontal-base straight-fin heat sink by adding partial shroud plates on top of the heat sink at both ends. Experiments are conducted in conjunction with a detailed three-dimensional (3D...

...António M. G. Lopes; Vítor A. F. Costa A numerical study is conducted concerning the improvement of radial plane fins heat sinks for natural convection cooling of light-emitting diode (LED) lamps. The main objective is to maintain the temperature of the heat sink base below a prescribed threshold...

...Tahar Tayebi; Ali J. Chamkha In this paper, steady natural convective heat transfer and flow characteristics of Al 2 O 3 -Cu/water hybrid nanofluid filled square enclosure in the presence of magnetic field has been investigated numerically. The enclosure is equipped with a wavy circular conductive...

...Debayan Dasgupta; Kankan Kishore Pathak; Asis Giri A numerical study is performed on simultaneous heat and mass transfer from a shrouded vertical nonisothermal variable height fin array, representing dehumidification process under natural convection. Fluid properties are treated as uniform...