Results 41 to 50 of about 2,757,124 (409)

New natural convection heat transfer correlations in enclosures for building performance simulation

open access: yesEngineering Applications of Computational Fluid Mechanics, 2017
This paper presents new correlations to calculate natural convection heat transfer coefficients (CHTC) in enclosures for building performance simulation.
A. Rincón-Casado   +3 more
doaj   +1 more source

Impact of Non-Uniform Periodic Magnetic Field on Unsteady Natural Convection Flow of Nanofluids in Square Enclosure

open access: yesFractal and Fractional, 2022
In this article, unsteady free convective heat transport of copper-water nanofluid within a square-shaped enclosure with the dominance of non-uniform horizontal periodic magnetic effect is investigated numerically.
Tarikul Islam   +3 more
doaj   +1 more source

Excess-noise dependence on intracavity aperture shape [PDF]

open access: yes, 1999
In lasers with nonorthogonal eigenmodes the excess-noise factor K can be large, especially in unstable-cavity lasers with hard-edged intracavity apertures.
Cheng   +14 more
core   +1 more source

Numerical Study of the Effect of a Heated Cylinder on Natural Convection in a Square Cavity in the Presence of a Magnetic Field

open access: yesMathematical and Computational Applications, 2022
The present research was developed to find out the effect of heated cylinder configurations in accordance with the magnetic field on the natural convective flow within a square cavity.
Muhammad Sajjad Hossain   +5 more
doaj   +1 more source

Engineering of Form Factor in Rotationally Symmetric Photonic Cavities for Faster Axion Searches [PDF]

open access: yesarXiv, 2022
Form factor can be engineered in photonic cavities such that it dramatically increases the scan speed of axion haloscope detectors. Using higher-order modes of a photonic cavity, we can probe axions at larger mass ranges beyond the reach of current detectors that rely on conventional copper cavities. The main idea is to produce a higher-order mode with
arxiv  

Practical guide to the statistical mechanics of molecular polaritons [PDF]

open access: yes, 2023
A theoretical approach aimed at the quantum statistical mechanics of a molecular ensemble coupled to a lossless cavity mode is presented. A canonical ensemble is considered and an approximate formula is devised for the Helmholtz free energy correction due to cavity-molecule coupling, which enables the derivation of experimentally measurable ...
arxiv   +1 more source

Sinusoidal Roughness Elements In A Square Cavity

open access: yes, 2015
{"references": ["B. Gebhart, Y. Jaluria, R. L. Mahajan, B. Sammakia, Buoyancy-induced\nflows and transport, 1988.", "M. R. Amin, The effect of adiabatic wall roughness elements on natural\nconvection heat transfer in vertical enclosures, International journal of\nheat and mass transfer, 34(11) (1991) 2691-2701.", "O. Shishkina, C. Wagner, Modelling the
M. Yousaf, S. Usman
openaire   +2 more sources

Free Convection in a Square Ternary Hybrid Nanoliquid Chamber with Linearly Heating Adjacent Walls

open access: yesNanomaterials, 2023
In this study, mathematical modeling of the energy transfer and flow characteristics of ternary nanoliquid in a square enclosure is performed. In the cavity considered, the left and bottom borders are warmed uniformly or non-uniformly when the rest of ...
Vemula Rajesh, Mikhail Sheremet
doaj   +1 more source

Flow Simulation of Lid-Driven Rectangular Cavity by Using Lattice Boltzmann Method [PDF]

open access: yesarXiv, 2022
Wall-driven flow in square cavity has been studied extensively, yet it is more frequently for the rectangular cavity flow occurring in practical problems, and some flow characteristics about rectangular cavity have not been fully investigated. As a promising numerical simulation tool, the Lattice Boltzmann Method (LBM) is employed to simulate the lid ...
arxiv  

Equilibrium behaviour of two cavity-confined polymers: Effects of polymer width and system asymmetries [PDF]

open access: yesarXiv, 2022
Experiments using nanofluidic devices have proven effective in characterizing the physical properties of polymers confined to small cavities. Two recent studies using such methods examined the organization and dynamics of two DNA molecules in box-like cavities with strong confinement in one direction and with square and elliptical cross sections in the
arxiv  

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