Thermal conductivity and viscosity of Mg(OH)

to determine the thermal conductivity and viscosity of a novel nanofluid i e Mg(OH) 2/ethylene glycol (EG) The thermal conductivity and viscosity of nanofluids with vol-ume fractions by 2 % in the temperature range of 25–55 C are measured The results unfold that in the temperature of 35 C called critical temperature the ratio of

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nanofluids A 1* 1 2 A Y Bani Hashim3 N Abdullah P B

revealed that thermal conductivity was enhanced by about 8 86% for 0 8 wt% deionised water-based MWCNT-OH nanofluid and by 5 37% for 0 2 wt% ethylene glycol-based MWCNT-OH nanofluid Meanwhile in viscosity test the highest temperature of 40 C exhibited lowest viscosity This phenomenon happened only with ethylene glycol-based

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Thermal conductivity enhancement of TiO nanofluid in water

effective thermal conductivity of the nanofluid The new thermal conductivity correlation of TiO 2 nanofluids is developed for a wide range of temperatures and concentrations with maximum deviation of 4 65% and average deviation of 1 37% Keywords: Nanofluid Titanium dioxide Thermal conductivity enhancement Ethylene glycol 1 Introduction

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List of thermal conductivities

In heat transfer the thermal conductivity of a substance k is an intensive property that indicates its ability to conduct heat Thermal conductivity is often measured with laser flash analysis Alternative measurements are also established Mixtures may have variable thermal conductivities due to composition

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EXPERIMENTAL STUDY ON DENSITY THERMAL CONDUCTIVITY

1 EXPERIMENTAL STUDY ON DENSITY THERMAL CONDUCTIVITY SPECIFIC HEAT AND VISCOSITY OF WATER – ETHYLENE GLYCOL MIXTURE DISPERSED WITH CARBON NANOTUBES J Ganesh kumar a bM D Kathir kaman b K Rajac V Kumaresan b * R Velraj a Department of Mechanical Engineering MSEC Kilakarai Tamilnadu India b Department of

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Erratum to "Convective heat transfer coefficient and

Erratum to "Convective heat transfer coefficient and pressure drop of water-ethylene glycol mixture with graphene nanoplatelets" (Experimental Thermal and Fluid Science (2017) 80 (67–76) (S0894177716302187) (10 1016/j expthermflusci 2016 08 013)) Experimental Thermal and Fluid Science 2017 Feb 1 81

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Thermal Conductivity Enhancement of Ethylene

Thermal Conductivity Enhancement of Ethylene Glycol and Water with Graphene Nanoplatelets C Selvama D Mohan Lal*a Sivasankaran Harishb a Refrigeration Air-Conditioning Division Department of Mechanical Engineering Anna University Chennai -600 025 Tamil Nadu India b

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Enhanced thermal conductivity of ethylene glycol with

Enhanced thermal conductivity of ethylene glycol with single-walled carbon nanotube inclusions S Harish1 Kei Ishikawa1 Erik Einarsson1 2 Shinya Aikawa1 3 Shohei Chiashi1 Junichiro Shiomi1 Shigeo Maruyama1* 1Department of Mechanical Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan

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Investigation of Heat Transfer Coefficient of Ethylene

According to the obtained results thermal conductivity and heat transfer coefficient increased by 21 2% and 42 4% respectively only by the addition of 0 15wt % of graphene in to ethylene glycol Also thermal conductivity and heat transfer coefficient were improved by increasing the temperature and concentration of graphene

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Thermal conductivity and viscosity measurements of

The dispersion and stability of nanofluids obtained by dispersing Al2O3 nanoparticles in ethylene glycol have been analyzed at several concentrations up to 25% in mass fraction The thermal conductivity and viscosity were experimentally determined at temperatures ranging from 283 15 K to 323 15 K using an apparatus based on the hot-wire method and a rotational viscometer

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Phase change characteristics of ethylene glycol solution

Nanofluids particularly water‐based nanofluids have been extensively studied as liquid–solid phase change materials (PCMs) for thermal energy storage (TES) In this study nanofluids with aqueous ethylene glycol (EG) solution as the base fluid are proposed as a novel PCM for cold thermal energy storage

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Ethylene Glycol

Mono Ethylene Glycol commonly referred to as Ethylene Glycol Antifreeze but also referred to as Ethane-1 2-diol MEG EG and Industrial Glycol Ethylene Glycol was first formulated in the 1850's and is now commercially produced through a chemical reaction between Ethylene Oxide and a catalyst Large scale production of Ethylene Glycol commenced in early 1900's in the

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Mixed Convection Characteristics of Ethylene Glycol and

Keywords: Mixed convection square enclosure nanofluid water ethylene glycol 1 Introduction Conventional heat transfer fluids such as water oil and ethylene glycol has a low thermal conductivity This is the primary limitation in enhancing the performance and compactness of many electronic devices in engineering To improve

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Investigation of Heat Transfer Coefficient of Ethylene

According to the obtained results thermal conductivity and heat transfer coefficient increased by 21 2% and 42 4% respectively only by the addition of 0 15wt % of graphene in to ethylene glycol Also thermal conductivity and heat transfer coefficient were improved by increasing the temperature and concentration of graphene

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EXPERIMENTAL STUDY ON DENSITY THERMAL CONDUCTIVITY

in water-ethylene glycol mixture on density and various thermophysical properties such as thermal conductivity specific heat and viscosity Density of nanofluids was measured using standard volumetric flask method and the data showed a good agreement with the mixing theory The maximum thermal conductivity enhance-

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Heat Transfer Capability of (Ethylene Glycol + Water

This research aims at studying the stability and thermophysical properties of nanofluids designed as dispersions of sulfonic acid-functionalized graphene nanoplatelets in an (ethylene glycol + water) mixture at (10:90)% mass ratio Nanofluid preparation conditions were defined through a stability analysis based on zeta potential and dynamic light scattering (DLS) measurements

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Mixed Convection Characteristics of Ethylene Glycol and

Keywords: Mixed convection square enclosure nanofluid water ethylene glycol 1 Introduction Conventional heat transfer fluids such as water oil and ethylene glycol has a low thermal conductivity This is the primary limitation in enhancing the performance and compactness of many electronic devices in engineering To improve

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Heat Transfer Properties of Engine Oils

thermal conductivity Both oils compared favorably to heat transfer fluids in thermal properties In addition the LHR oil Figure 3 Measured thermal conductivity for Group II and Group V-based engine oils Figure 4 Measured specific heat for the Group II-based engine oil Group V-based engine oil and ethylene glycol

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Enhanced thermal conductivity and viscosity of copper

This study investigates the thermal conductivity and viscosity of copper nanoparticles in ethylene glycol The nanofluid was prepared by synthesizing copper nanoparticles using a chemical reduction method with water as the solvent and then dispersing them in ethylene glycol using a sonicator Volume loadings of up to 2% were prepared The

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Thermal conductivity of diethylene glycol based

Thermal conductivity of nanofluids mostly increase with the temperature [10 27 28] But not all nanofluids present that kind of behavior Mariano et al have shown that for ethylene glycol-based (hbox{Co}_3hbox{O}_4) nanofluids thermal conductivity decreases with temperature

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Electrical Conductivity and Dielectric Properties of

This paper presents results of experimental investigation into dielectric properties of silicon oxide lignin (SiO2-L) particles dispersed with various mass fractions in ethylene glycol (EG) Measurements were conducted at a controlled temperature which was changed from 298 15 to 333 15 K with an accuracy of 0 5 and 0 2 K for dielectric properties and direct current (DC)

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Preparation and thermal properties of polyethylene glycol

Read Preparation and thermal properties of polyethylene glycol/expanded graphite blends for energy storage Applied Energy on DeepDyve the largest online rental service for scholarly research with thousands of academic publications available at your fingertips

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