Nusselt Number Correlation for Vertical Tubes with Inverted Triangular Fins under Natural Convection [PDF]
Vertical tubes with inverted triangular fins under natural convection are investigated experimentally. The thermal resistances of tubes with inverted triangular fins are measured for various fin numbers, fin heights, and heat inputs.
Byeong Dong Kang +2 more
doaj +2 more sources
The Effects of Vortex Generator Types on Heat Transfer and Flow Structure in a Rectangular Duct Flows [PDF]
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
Nusselt number and friction factor in zig-zag microchannels subjected to constant heat flux
This study quantifies the heat transfer coefficient, pressure drop, Nusselt number and friction factor associated with flow of water in zig-zag microchannels, with square cross-section and sharp edges, when subjected to constant heat flux boundary ...
Bobby Mathew +5 more
doaj +2 more sources
The influence of Nusselt number on dropwise condensation heat transfer for a single droplet on inclined and grooved surfaces. [PDF]
Mohammadpour L, Moghadasi H, Moosavi A.
europepmc +2 more sources
Heat Transfer Coefficients Analysis in a Helical Double-Pipe Evaporator: Nusselt Number Correlations through Artificial Neural Networks. [PDF]
Parrales A +6 more
europepmc +3 more sources
Hydrothermal performance improvement of an inserted double pipe heat exchanger with Ionanofluid
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
Numerical investigation of hydrodynamic nanofluid convective flow in a porous enclosure
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
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
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
Investigating the experimental parameters of a rib triple pipe heat exchanger
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

