نتایج جستجو برای: prandtl nanofluid

تعداد نتایج: 6596  

2016
M. A. El-Hakiem

In this study we have explored the numerical solution of MHD flow of an incompressible nanofluid towards a stretching surface. The obtained model of nonlinear partial differential equations is converted into a set of ordinary differential equations using an appropriate transformation. Shooting method is employed to solve the said system of boundary layer equations. Discussion of momentum, tempe...

Journal: :Mathematical Problems in Engineering 2021

The present communication particularizes nonlinear convective non-Newtonian stagnation point flow and heat transference effects in stretchable of nanofluid. Magnetohydromagnetic steady viscous nanofluid is examined. Heat transfer attributes nanofluids are addressed via a numerical algorithm. Conductivity diffusivity characteristics fluid depending on temperature concentration furthermore, mass ...

Journal: :transport phenomena in nano and micro scales 2016
n. kishan c. kalyani m. chenna krishna reddy

the problem of steady magnetohydrodynamic boundary layer flow of an electrically conducting nanofluid due to an exponentially permeable stretching sheet with heat source/sink in presence of thermal radiation is numerically investigated. the effect of transverse brownian motion and thermophoresis on heat transfer and nano particle volume fraction considered. the governing partial differential eq...

Journal: :Coatings 2021

This article investigates unsteady magnetohydrodynamic (MHD) mixed convective and thermally radiative Jeffrey nanofluid flow in view of a vertical stretchable cylinder with radiation absorption heat; the reservoir was addressed. The mathematical formulation is established based on theory boundary layer approximations pioneered by Prandtl. governing model expressions partial differential equatio...

2011
Xue-Fei Yang Zhen-Hua Liu

A water-based functionalized nanofluid was made by surface functionalizing the ordinary silica nanoparticles. The functionalized nanofluid can keep long-term stability. and no sedimentation was observed. The functionalized nanofluid as the working fluid is applied in a thermosyphon to understand the effect of this special nanofluid on the thermal performance of the thermosyphon. The experiment ...

Journal: :Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 2022

Duct flows constitute an important category of modern thermal engineering. Optimizing efficiency has become a significant objective in the 21st century in, for example, heating ventilation and air-conditioning (HVAC), coolant or heat transfer fluid nuclear power reactor, exchanger design etc., this been achieved by either new materials (improved insulation properties) constituting duct walls, n...

Journal: :The AIUB journal of science and engineering 2023

The paper aims to analyze the effects of various Prandtl number and different nanoparticles for heat transfer entropy generation free convection laminar fluid flow in an L-shaped cavity filled by nanofluid. To investigate second law characteristics convective from L- shaped geometry water nanofluids (Cu-water, Ag-water, Al2O3-water), on average Nusselt number, total Bejan has been numerically a...

Journal: :International Journal of Engineering, Science and Technology 2018

Journal: :Thermal Science 2023

The current study experimentally examines the impact of coil pitch on heat transfer behavior and friction factor through helical coils for ?- Al2O3/Distilled water nanofluid turbulent flow. These tests were conducted with pitches 20, 35, 50 mm. nanoparticle volume fraction was 0.1%. nanoparticles in a 0.1% concentration increased rate compared to those distilled water. Increases also resulted g...

2011
Tsung-Han Tsai Ping-Hei Chen Da-Sheng Lee Chin-Ting Yang

This study investigated a simple model of transformers that have liquid magnetic cores with different concentrations of ferro-nanofluids. The simple model was built on a capillary by enamel-insulated wires and with ferro-nanofluid loaded in the capillary. The ferro-nanofluid was fabricated by a chemical co-precipitation method. The performances of the transformers with either air core or ferro-...

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