نتایج جستجو برای: hybrid nanofluids

تعداد نتایج: 193304  

Journal: :International Communications in Heat and Mass Transfer 2020

Journal: :Journal of Mechanical Engineering and Sciences 2019

Journal: :Thermal Science 2023

The mathematical analysis of time-independent mobility a modified blood-based Casson hybrid nanofluid including dissimilar nanomaterials in convergent/di?vergent channel with stretchable/shrinkable walls is investigated. cumulative impact magnetic and electric fields governs the flow nanofluids. In this study, mediated fluid containing three unique (titania oxide, alumina silver nanoparticles) ...

Journal: :Lubricants 2023

Friction and very high temperature are still the major challenges in hard machining technology they greatly affect cutting efficiency. The application of MQL (minimum quantity lubrication) method, using nanoparticles order to improve cooling lubrication performance base oil, has proven be a promising solution. Hence, this work aimed investigate effectiveness Al2O3/MoS2 hybrid nanofluid Al2O3 Mo...

Journal: :Scientia Iranica 2023

Convergent/divergent channels have real-world applications including the production of fibers and glass, fabrication plastic sheets, manipulation molten metal streams, industrial casting metal. This article intends to discuss flow thermal transport mixture nanoparticles, namely, copper molybdenum oxide in a base fluid (water) over wedge-shaped channel. The dissipation effects are taken into acc...

Journal: :physical chemistry research 2013
mahboobeh hadadian sara samiee hossein ahmadzadeh elaheh k. goharshadi

a nanofluid is a dilute liquid suspension of particles with at least one critical dimension smaller than ~100 nm. research works so far suggest that nanofluids offer excellent heat transfer enhancement over conventional base fluids. the enhancement depends on several factors such as particle shape, particle size distribution, volume fraction of nanoparticles, temperature, ph, and thermal conduc...

2008
H. Kim

The objective of this research is to systematically investigate the quenching characteristics of a hot sphere in nanofluids. The experiments are carried out with a small (9.5 mm) stainless steel sphere with initial temperatures near 1000 °C. Alumina nanofluids and deionized water are tested at low volume concentrations (less than 0.1 % by volume) and saturated conditions (100 °C). The results s...

2016
Rajinder Pal Mehrdad Massoudi

Abstract: The modeling of the viscous behavior of nanoemulsions and nanosuspensions is discussed. The influences of the viscosity ratio, solvation and aggregation of nanodroplets and nanoparticles on the relative viscosity of nanofluids are considered. The relative viscosity of a nanofluid is strongly affected by solvation of nanoparticles. The scaling of the relative viscosity of nanoemulsions...

2007
C. V. POPA

In the present work, a theoretical model based on the integral formalism approach for both laminar and turbulent external free convection is extended to Newtonian nanofluids. By using an empirical model for computing nanofluid viscosity, a close attention is focused first on the way the heat transfer is modified by increasing the volume fraction of nanoparticles and then to the transitional thr...

2011
Myoung-suk Kang Changhyun Jee Sangjun Park In Choel Bang Gyunyoung Heo

Nanofluids, which are engineered suspensions of nanoparticles in a solvent such as water, have been found to show enhanced coolant properties such as higher critical heat flux and surface wettability at modest concentrations, which is a useful characteristic in nuclear power plants (NPPs). This study attempted to provide an example of engineering applications in NPPs using nanofluid technology....

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