... Abstract A numerical investigation on two-dimensional steady-state natural convection in a vertical channel asymmetrically heated at uniform heat flux with water and alumina (Al 2 O 3 ) nanofluids is performed to evaluate the effect of the aspect ratio on thermal and fluid dynamic behaviors...

...Proceedings of the ASME 2023 Heat Transfer Summer Conference HT2023 July 10-12, 2023, Washington, DC HT2023-105770 EFFECTS OF NATURAL CONVECTION MASS TRANSFER ON DRYING AEROGELS WITH SUPERCRITICAL CARBON DIOXIDE Friday N. Abolorunke1 Hy Dinh1, Georgios Karamanis1, Karthik Remella2, Marc Hodes1...

.... Depending on the availability of computational time and resources, either full CHT study or 3-D Solid energy equation based thermal analysis with uniform convection and S2S radiation is recommended for initial design study. CFD natural convection conjugate heat transfer STAR CCM+ Proceedings...

... Abstract A pore-scale numerical simulation was carried out in this study to predict the natural convection in a cubic cavity filled with reconstructed porous medium using lattice Boltzmann Method (LBM). The computational porous domain was established with the micro-computed tomography technique...

... Waals and the Peng-Robinson equations of state. Ideal gas Low Mach number micro-fluidics natural convection piston effect supercritical fluids 1 Copyright © 2013 by ASME A NOVEL NUMERICAL APPROACH FOR LOW MACH NUMBER APPLICATION TO SUPERCRITICAL FLUIDS Jalil Ouazzani1, 2 1Arcofluid Parc...

... Nanofluids are colloidal suspensions of nano-scale particles in water, or other base fluids. In this paper, the effect of natural convection on laminar flow of nanofluids in a horizontal tube has been addressed. The obtained experimental data could not be reconciled with existing correlations...

... In this article a numerical simulation is employed to obtain dimensionless heat transfer in laminar natural convection condition for isothermal bodies which are similar to sphere and cylinder. Then, the numerical results for different bodies are compared with each other to figure out the effect...

... 14 06 2010 The current research utilizes disk-shaped thermistors to indirectly measure the convective heat transfer coefficient in the case of natural convection. Thermistors are resistors which have a resistance that is extremely temperature sensitive, so that experiments can be run...

... 23 02 2010 A numerical study is carried out for natural convective flow and heat transfer in a two-dimensional enclosure with centrally located sinusoidal thin partition for a range of Rayleigh numbers, partition heights and aspect ratios. The partition is oriented parallel to the two...

... 14 06 2010 The present study is an experimental and numerical analysis on the natural convection of air in square enclosures with partially active side walls. The experimental equipment is based on two different systems: an holographic interferometer and a 2D-PIV. The test cell...

... 14 06 2010 We consider the two-dimensional problem of steady natural convection in a circular cavity with periodic heat generation filled with viscous fluid subject to cosine temperature variation on the boundary. The solution is expanded for low Rayleigh number and extended to 16...

... 14 06 2010 Experimental investigations have been reported on steady state natural convection from the outer surface of vertical triangular cross section ducts in air. Three ducts have been used with equilateral side length of 0.044, 0.06 and 0.08 m. The ducts are heated using internal...

... 14 06 2010 Natural-convection flow in the presence of a magnetic field in an enclosure heated from bottom and cooled from top is considered. The fluid (molten sodium) properties are function of temperature. To solve the governing non-linear differential equations (mass, momentum...

... 14 06 2010 This work analyses the natural convective heat transfer from a horizontal circular cylinder with constant surface heat flux using radial equally spaced exterior low conductivity baffles. The dimensionless governing equations in the stream function–vorticity formulation were...

.... In addition, boundary layer thickness appreas explicitly in the analysis, which again tends to yield more insight at the expense of some accuracy. heat transfer natural convection free convection cone Proceedings of HT2007 2007 ASME-JSME Thermal Engineering Summer Heat Transfer Conference July 8...

... 10 07 2009 Steady, laminar, natural-convection flow in the presence of a magnetic field in a differentially heated square cavity which two insulated horizontal baffles attached to its vertical walls is considered. The vertical walls are at different temperatures while the horizontal...

... their values for the case without baffle and this implies that a reduction in the heat transfer through the cavity occurs. Natural Convection Cavity baffle Nusselt Number ASME 2008 Summer Heat Transfer N S f e y m [1]. The Results are presented for Rayleigh number from 104 Proceedings of 2008 ASME...

... 10 07 2009 Experimental investigations have been reported on steady state natural convection from the outer surface of vertical square ducts in air. Five ducts have been used with cross section side length of 0.08, 0.07, 0.06, 0.04, and 0.02 m. The ducts are heated using internal...

... and incompressible flows. Stationary inserts can be efficiently employed as heat transfer enhancement device in the natural convection systems with compressible flow. Generally, a stationary heat transfer enhancement insert consists of a number of equal motionless units, placed on the inside of a pipe or channel...

... 03 04 2009 In this paper, a numerical study of natural convection from a disk is presented. The disk is placed vertically in a closed cavity (cylinder) and has a constant heat flux. Different numerical simulations of this test case are executed at various gravity accelerations (=g...