نتایج جستجو برای: al2o3 water nanofluid
تعداد نتایج: 564467 فیلتر نتایج به سال:
To fill the existing literature gap, numerical solutions for oblique stagnation-point flow of Cu-Al2O3/H2O hybrid nanofluid past a shrinking surface are computed and analyzed. The computation, using similarity transformation bvp4c solver, results in dual solutions. Stability analysis then shows that first solution is stable with positive smallest eigenvalues. Besides that, addition Al2O3 nanopa...
Heat transfer due to forced convection of copper water based nanofluid in the presence of buoyancy has been predicted by the Artificial Neural network (ANN) and Gene Expression Programming (GEP). The present nanofluid is formed by mixing copper nano particles in water and the volume fractions are considered here are 0% to 15% and the Reynolds number (Re) are varying from 80 to 180. The adding a...
Numerical investigation for turbulent flow of nanofluid (Ethylene glycol/water-Al2O3) is carried out with a volume fraction 0.5%, 1%, and 1.5%. The diameter solid nanoparticles equal to 20 nm. range Reynolds number in this simulation from 6300 27500 through three-dimensional steel corrugated spirally tube. For enhancement the heat transfer performance internal horizontal tube, tube combined alu...
The mathematical modeling of unsteady flow micropolar Cu–Al2O3/water nanofluid driven by a deformable sheet in stagnation region with thermal radiation effect has been explored numerically. To achieve the system nonlinear ordinary differential equations (ODEs), we have employed some appropriate transformations and solved it numerically using MATLAB software (built-in solver called bvp4c). Influ...
In this paper, a new geometry has been proposed to increase heat transfer in tubes. The fluid used was water-aluminum oxide (Al2O3) nanofluid. results showed that the study (compared simple tube) addition increasing transfer, reduced flow pressure drop, which is great advantage over previous methods. Reynolds numbers of 2-300 and nanoparticle volume fraction 0-3.5% have investigated. Profile te...
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