thermal conductivity of ethylene glycol energy

Experimental study on thermal properties and electrical

Experimental study on thermal properties and electrical conductivity of stabilized H2O-solar glycol mixture based multi-walled carbon nanotube nanofluids: developing a new correlation P Ganesh Kumara * D Sakthivadivelb M Meikandanc V S Vigneswarana R Velraja a Institute for Energy Studies Department of Mechanical Engineering CEG Anna University Chennai

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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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THERMOPHYSICAL PROPERTIES OF BRINES

mathematical models describing the thermophysical properties of brines were developed and are described in the following The brines considered here are aqueous solutions of ETHYLENE GLYCOL and of PROPYLENE GLYCOL which happen to be two of the most common in refrigeration heat pump air conditioning and solar thermal applications

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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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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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A Comparison of Ethylene Glycol and Propylene Glycol Heat

Therefore a higher thermal conductivity specific heat and density and lower viscosity will give the best heat transfer Ethylene glycol has a higher thermal conductivity a higher density and a lower viscosity than propylene glycol but propylene glycol has the higher specific heat The relative heat transfer coefficients

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Heat Transfer Capability of (Ethylene Glycol + Water

thermal conductivity and viscosity Finally different figures of merit based on the experimental values of thermophysical properties were also used to compare the heat transfer capability and pumping power between nanofluids and base fluid Keywords: Graphene nanoplatelets Ethylene glycol + water Nanofluid Thermal conductivity Dynamic

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Anomalously increased effective thermal

It is shown that a "nanofluid" consisting of copper nanometer-sized particles dispersed in ethylene glycol has a much higher effective thermal conductivity than either pure ethylene glycol or ethylene glycol containing the same volume fraction of dispersed oxide nanoparticles

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EXPERIMENTAL STUDIES OF THERMAL CONDUCTIVITY

Abnormal thermal conductivity increase relative to the base fluid was reported by Eastman et al [5] They obtained a 40% increase in the thermal conductivity of ethylene glycol with 0 3 vol % copper nanoparticles of 10nm diameter Das et al [6] have observed increases of 10-25% in water with 1-4 vol % alumina nanoparticles They also

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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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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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Electrical and Thermal Conductivities of 50/50 Water

Electrical and Thermal Conductivities of 50/50 Water-ethylene Glycol Based TiO2 Nanofluids to be Used as Coolants in PEM Fuel Cells Islam M Shabani B and Rosengarten G 2017 'Electrical and Thermal Conductivities of 50/50 Water-ethylene Glycol Based TiO2 Nanofluids to be Used as Coolants in PEM Fuel Cells' Energy Procedia vol 110 pp 101-108

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Glycol Heat

Between the two ethylene glycol (C 2H6O2) is a better heat transfer fluid than propylene glycol (C 3H8O2) Propylene glycol is less toxic and is considered when toxicity is a concern Table 1 - Ethylene Glycol Versus Propylene Glycol Thermal Conductivities Temperature (F) Ethylene Glycol Thermal Conductivity [Btu/(hrft^2)(F/ft)] at 30% Volume

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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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Hall effects on peristalsis of boron nitride

Current study provides a comprehensive numerical investigation of the peristaltic transport of boron nitride-ethylene glycol nanofluid through a symmetric channel in presence of magnetic field Significant effects of Brownian motion and thermophoresis have been included in the energy equation Hall and Ohmic heating effects are also taken into consideration

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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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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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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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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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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 and viscosity measurements of

15 03 2011The dispersion and stability of nanofluids obtained by dispersing Al 2 O 3 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

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