Results 1 to 10 of about 50,883 (231)
Radial boundary layer structure and Nusselt number in Rayleigh-Benard convection [PDF]
Journal of Fluid Mechanics, 2009 Results from direct numerical simulations for three dimensional Rayleigh-Benard convection in a cylindrical cell of aspect ratio 1/2 and Pr=0.7 are presented. They span five decades of Ra from $2\times 10^6$ to $2 \times10^{11}$.
Lohse, Detlef +2 more
core +13 more sources
The Effects of Vortex Generator Types on Heat Transfer and Flow Structure in a Rectangular Duct Flows [PDF]
Al-Khawarizmi Engineering Journal, 2008 In this numerical study a detailed evaluation of the heat transfer characteristics and flow structure in a laminar and turbulent flow through a rectangular channel containing built-in of different type vortex generator has been a accomplished in a range ...
Laith J.H +2 more
doaj +3 more sources
Experimental investigation of thermal performance in a rectangular channel using compound structure
Journal of Mechanical Engineering and Sciences, 2022 An experimental study was conducted to measure the heat transfer and pressure drop in a rectangular channel emphasizing a compound structure to improve the cooling performance of gas turbine blades.
Prakash Santosh Patil, K. K. Dhande
doaj +1 more source
Hydrothermal performance improvement of an inserted double pipe heat exchanger with Ionanofluid
Case Studies in Thermal Engineering, 2021 To meet the growing energy demand, double pipe heat exchangers (DPHEX), which are used in a variety of energy and thermal engineering applications, require improved heat transfer performance.
Likhan Das +7 more
doaj +1 more source
The Nusselt numbers of horizontal convection [PDF]
Journal of Fluid Mechanics, 2020 Cesar B. Rocha +3 more
openaire +5 more sources
Numerical investigation of hydrodynamic nanofluid convective flow in a porous enclosure
Revue Nature et Technologie, 2023 In this study, the steady state behavior of natural convection transport on a nanofluid in square enclosure was studied. The model equations were solved using Comsol Multiphysics; a solver for partial differential Navier–Stokes equations based on a two ...
Redouane FARES +3 more
doaj +6 more sources
Numerical Investigation of Nanofluid Flow over a Backward Facing Step
Aerospace, 2022 Nanofluid flow over a backward facing step was investigated numerically at low Reynolds number and the heat transfer was analyzed and reported. Al2O3–H2O nanofluids of different volume fractions (φ = 1–5%) were used as the material with uniform heat flux
Wen-Chung Wu, Ankit Kumar
doaj +1 more source
Investigating the experimental parameters of a rib triple pipe heat exchanger
Case Studies in Thermal Engineering, 2023 In the current research, the triple concentric-pipe heat exchanger is experimentally inspected with regard to the double concentric-pipe heat exchanger.
Kafel Azeez +2 more
doaj +1 more source
Case Studies in Thermal Engineering, 2021 Localized heating of hydrophobic droplet is considered and the effects of restricted area heating and droplet size on heat transfer are examined. Samples composing of vertical steel pins located in Perspex holders are designed and manufactured.
Abdullah Al-Sharafi +3 more
doaj +1 more source
Tikrit Journal of Engineering Sciences, 2020 This paper investigates the effects of thermal radiation and variable viscosity flow down along an inclined plane with boundary conditions at free surface.
Usman M..A. +2 more
doaj +1 more source