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Artykuły w czasopismach na temat „Water+ethylene glycol base fluid”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Manikandan, Srinivasan, and Rajoo Baskar. "Heat transfer studies in compact heat exchanger using ZnO and TiO2 nanofluids in ethylene glycol/water." Chemical Industry and Chemical Engineering Quarterly 24, no. 4 (2018): 309–18. http://dx.doi.org/10.2298/ciceq170720003m.

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This paper reports an experimental study on the heat transfer characteristics of a nanofluid consisting of ZnO/water/ethylene glycol (EG) and TiO2/water/ /ethylene glycol. In this study, the base fluids of ethylene glycol (EG):water (W) with volume fractions of 30:70, 40:60, and 50:50 were prepared, and 0.2 to 1.0 volume fractions of ZnO and TiO2 nanofluids were used as a cold side fluid. The prime objective of this study is to identify the effects of nanofluid concentration and three different hot fluid inlet temperatures viz., 55, 65 and 75?C C on the heat transfer enhancement of cold side f

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Srinivasan, Periasamy, Nesakumar Dharmakkan, Sri Vishnu, Hari Prasath, and Ramaraj Gogul. "Thermal conductivity analysis of Al2O3/water-ethylene glycol nanofluid by using factorial design of experiments in a natural convection heat transfer apparatus." Chemical Industry 75, no. 6 (2021): 341–52. http://dx.doi.org/10.2298/hemind210520031s.

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Thermal conductivity of a heat transfer fluid plays a significant role in improving the heat transfer performance of a heat exchanger. In this work, experiments were performed in a natural convection heat transfer apparatus by mixing homogenized Al2O3 nanoparticles in a base fluid of water-ethylene glycol mixtures. The effects of heat input, nanoparticle volume content in the base fluid, and ethylene-glycol volume content in the base fluid on thermal conductivity of the nanofluid were analyzed. Based on results obtained by MINITAB? design software (factorial design matrix), 16 experimental run

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Jain, Ayush, Imbesat Hassan Rizvi, Subrata Kumar Ghosh, and P. S. Mukherjee. "Analysis of nanofluids as a means of thermal conductivity enhancement in heavy machineries." Industrial Lubrication and Tribology 66, no. 2 (2014): 238–43. http://dx.doi.org/10.1108/ilt-03-2012-0024.

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Purpose – Nanofluids exhibit enhanced heat transfer characteristics and are expected to be the future heat transfer fluids particularly the lubricants and transmission fluids used in heavy machinery. For studying the heat transfer behaviour of the nanofluids, precise values of their thermal conductivity are required. For predicting the correct value of thermal conductivity of a nanofluid, mathematical models are necessary. In this paper, the effective thermal conductivity of various nanofluids has been reported by using both experimental and mathematical modelling. The paper aims to discuss th

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4

Liu, Jian, Sheng Lu, Qi Chen, Jun Hao Zhang, and Shou Guang Yao. "Stability of Nanofluids for Heat Pipe." Materials Science Forum 789 (April 2014): 6–11. http://dx.doi.org/10.4028/www.scientific.net/msf.789.6.

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Different mass concentrations of Al2O3, SiO2, CuO nanofluids were made by using two-step method with the three types of base fluids deionized water, ethanol and ethylene glyco. The suspension stability of nanofluids and its effect by adding anion and cation surfactants through sedimentation method were studied. The results show that ehylene glycol is as the base fluid, the suspension stability of nanofluids with DW as the base fluid is worst. The suspension stability of Al2O3, SiO2, CuO nanofluids is significantly improved by addition of appropriate dosage of adding anion and cation surfactant

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Molina, Gustavo J., Fnu Aktaruzzaman, Valentin Soloiu, and Mosfequr Rahman. "Erosion-Corrosion Wear of Heat-Exchanger Materials by Water/Ethylene-Glycol/Alumina Nanofluids." International Journal of Surface Engineering and Interdisciplinary Materials Science 6, no. 2 (2018): 1–22. http://dx.doi.org/10.4018/ijseims.2018070101.

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Nanofluids are suspensions of nanoparticles in ordinary coolants, but their tribological effects on heat-exchanger materials are unknown. Previous research has explored wear from distilled-water-base nanofluids only, while most engine-coolants are alcohol solutions in water. This article presents testing of aluminum and copper by jet impingement of 50%-ethylene-glycol in water solution and of its 2%-alumina nanofluid. The effects are investigated of nanoparticle addition on the anticorrosion protection provided by ethylene glycol. The observed modifications showed that ethylene-glycol in water

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6

Salman, Bassam H., Hussein A. Mohammed, and Akeel S. Kherbeet. "The Effect of Base Fluid Type in Nanofluids for Heat Transfer Enhancement in Microtubes." Applied Mechanics and Materials 818 (January 2016): 12–22. http://dx.doi.org/10.4028/www.scientific.net/amm.818.12.

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In this paper, single phase model was used to investigate the effect of base fluid in enhancing the heat transfer for forced convection flow of SiO2 in microtube. Four different types of base fluid such as water, ethylene glycol, engine oil and glycerin were used in this investigation. Reynolds number used was ranged from 10 to 120. The results are presented in terms of axial and wall temperature along the tube radius and tube axis, axial velocity and Nusselt number. The result shows that the glycerin has the highest Nusselt number followed by engine oil, ethylene glycol then water.

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Sekrani, Ghofrane, and Sébastien Poncet. "Ethylene- and Propylene-Glycol Based Nanofluids: A Litterature Review on Their Thermophysical Properties and Thermal Performances." Applied Sciences 8, no. 11 (2018): 2311. http://dx.doi.org/10.3390/app8112311.

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Nanofluids are considered a promising way to improve the heat transfer capability of base fluids. Water is the most commonly-used heat transfer fluid. However, in refrigeration systems, it may be necessary to mix water with either ethylene- or propylene-glycol to lower its freezing point and prevent from ice formation. In the same way, for car radiators or industrial heat exchangers, the boiling point of water can be pushed up by mixing it with glycol-based fluids. The increasing awareness of energy saving and industrial energy efficiency improvement results in the growing interest in ethylene

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8

Ismoen, Muhaimin, Radiah Bte Mohamad, R. Kandasamy, Suliadi Firdaus Sufahani, Fazlul Karim, and Muhamad Sabirin. "Numerical Investigation for Convective Heat Transfer of CNT Nano-Fluids over a Stretching Surface." Materials Science Forum 961 (July 2019): 148–55. http://dx.doi.org/10.4028/www.scientific.net/msf.961.148.

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The performance of carbon nanotube (CNT) nanofluids on convective heat transfer over a stretching sheet was investigated under thermal stratification and magnetic field effects. Water, engine oil and ethylene glycol are used as the base fluids. The governing equations are transformed into a system of coupled nonlinear ordinary differential equations using similarity transformations and solved numerically using the fourth-order Runge–Kutta–Fehlberg in conjunction to shooting method. The CNT nanofluids with an engine oil base fluid shows the highest thermal conductivity in comparison to ethylene

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9

Ved, Prakash, Rai Bhuvneshwar, K. Tyagi V., and K. Niyogi U. "Dispersion and characterizations of nanofluids prepared with CuO and CNT nanoparticle." Journal of Indian Chemical Society Vol. 92, Aug 2015 (2015): 1245–51. https://doi.org/10.5281/zenodo.5598785.

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Material Science Division, Shriram Institute for Industrial Research, 19 University Road, Delhi-110 007, India <em>E-mail</em> : ved.chem@gmail.com Manuscript received online 12 November 2014, revised 18 Decembe 2014, accepted 23 December 2014 Three types of nanofluids were prepared using copper oxide nanopowder and water, ethylene glycol (EG), and ethylene glycol : water (60 : 40) as base fluids separately. These three nanofluids were characterized by viscosity, UV-Visible spectra, dispersion stability, thermal conductivity and TEM analysis. A different type of nanofluid has also been prepare

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10

Yeoh, Guan, and Sherman Cheung. "Special Issue on Nanofluids and Their Applications." Applied Sciences 9, no. 7 (2019): 1476. http://dx.doi.org/10.3390/app9071476.

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Periasamy, Manikandan, and Rajoo Baskar. "Studies on thermo physical property variations of graphene nanoparticle suspended ethylene glycol/water." Chemical Industry and Chemical Engineering Quarterly, no. 00 (2020): 36. http://dx.doi.org/10.2298/ciceq200504036p.

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The objective of the study is to determine the thermo physical property variations (such as viscosity, density, specific heat capacity and thermal conductivity) of graphene suspended base fluid (Ethylene Glycol (EG) /Water (W)), with respect to graphene nanoparticle concentration and hot fluid inlet temperature. Graphene nanoparticle concentrations (0.2, 0.4, 0.6, 0.8 and 1 volume %) and the base fluid of 30:70 volume % of EG: Water is prepared initially. The impact of graphene nano particle addition on base fluids based on experimentation in the commercial plate heat exchanger was studied. In

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12

Kumar, Navneet, and Vijaykant Pandey. "CFD Analysis of Cone Shaped Coil Heat Exchanger by Using Copper Oxide Nanofluid with Ethylene Glycol and Water as Its Base Fluid in Aluminium Tube with Different Mass Flow Rate." International Journal for Research in Applied Science and Engineering Technology 10, no. 10 (2022): 639–52. http://dx.doi.org/10.22214/ijraset.2022.47069.

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Abstract: The recovery of waste heat has been a topic of concern for large-scale industrial companies for several decades. This recovery not only makes an operation more environment friendly, but it also helps to cut costs. In addition to this, it can reduce the amount of resources needed to power a facility. Many industries have implemented different methods of waste heat recovery. In this present paper the efforts are made to understand that how to compare the heat transfer rate in Cone shaped coiled tube heat exchanger using CuO Nano fluid with Water and Ethylene glycol as a base fluid in C

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13

Saghir, M. Z., and M. M. Rahman. "Forced Convection of Al2O3–Cu, TiO2–SiO2, FWCNT–Fe3O4, and ND–Fe3O4 Hybrid Nanofluid in Porous Media." Energies 13, no. 11 (2020): 2902. http://dx.doi.org/10.3390/en13112902.

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Adding nanoparticles to fluid has led to a new class of fluids named as nanofluids. Different concentrations and its effective cooling have attracted many engineering applications to test this new fluid. Lately, important heat enhancement has been observed by dispersing two distinct nanoparticles in the regular fluid. This type of hybrid nanofluid has led researchers to study its effectiveness in the cooling process. Here, we experimentally studied the forced convection of Al2O3–Cu hybrid nanofluid in porous media at a constant flow rate and heating condition. The numerical code after being ca

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14

Agrawal, Rashmi, and Pradeep Kaswan. "Heat Transfer and Transport Aspects of a ZnO/Ethylene Glycol-Water Nanofluid Through a Nonlinearly Stretching Sheet." Journal of Nanofluids 12, no. 4 (2023): 1030–38. http://dx.doi.org/10.1166/jon.2023.1987.

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This section proposes investigating the heat transfer and transport phenomena of nanofluid passing through a non-linear stretching sheet. The 50%:50% water-ethylene glycol mixture is accepted as a base fluid to prepare a nanofluid. The influences of viscous dissipation, Joule heating, and thermal radiation in modelling are further exerted into attention. For converting partial differential systems to ordinary systems, a transformation technique is adopted. For the validation part, the numerical solution is computed by embracing a fourth-order exactness program (Bvp4c) and compared to the previ

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15

Hashim Alsammarraie, Mohd Khairol Anuar Mohd Ariffin, Eris Elianddy Supeni, and Siti Ujila Masuri. "Numerical Investigation of the Effect of Ethylene Glycol with SnFe2O3 Hybrid Nanofluid on Heat Transfer in Flat, Face Step, and Radial Corrugated Microchannels." CFD Letters 15, no. 10 (2023): 71–92. http://dx.doi.org/10.37934/cfdl.15.10.7192.

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Nanofluid technology is one of the latest technics aims to enhance the heat exchangers working systems. The nanofluid is used because it has better thermal performance properties than common fluids like water. Tin Oxide (SnO2) and Ferric Oxide (Fe2O3) has used due to their availability and low cost for manufacturing. Flat, face step and radial corrugated microchannels have been studied at the Reynolds number range (4000-7000 Re). In this study, a hybrid nanofluid combined Ferric Oxide and Tin Oxide SnFe2O3 at (0, 5, 15%) of Tin Oxide concentration. The volume concentration of the nanoparticles

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16

Saritha, K., R. Muthusami, and M. Rameshkumar. "The Effect of Viscous Dissipation and Thermal Radiation in Siskoferronanofluid Flow over a Porous Medium." International Journal of Engineering Research in Africa 54 (June 2021): 118–31. http://dx.doi.org/10.4028/www.scientific.net/jera.54.118.

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This Paper contributes heat transfer phenomena in mixed convection flow of Siskoferronanofluidover a porous surface in the presence of a temperature gradient heat sink with prescribed heatflux. The effect of viscous dissipation and thermal radiation on the flow field is also taken in to consideration. The three types of ferromagnetic particles Nickel Zinc ferrite (Ni–ZnFe2O4), ManganeseZinc ferrite (Mn1/2Zn1/2Fe2O4) and Cobalt ferrite (CoFe2O4) are considered with water (H2O)and Ethylene Glycol (C2H6O2) as conventional base fluids. The RungeKuttaFehlberg method of numerical methodology is used

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Manikandan, Srinivasan, Nesakumar Dharmakkan, and Nagamani Sumana. "Heat transfer studies of Al2O3/water-ethylene glycol nanofluid using factorial design analysis." Chemical Industry and Chemical Engineering Quarterly, no. 00 (2021): 21. http://dx.doi.org/10.2298/ciceq210125021m.

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The experimental study of heat transfer coefficient of nanofluid plays a significant role in improving the heat transfer rate of the heat exchanger. The research was conducted in a natural convection heat transfer apparatus by suspending Al2O3 nanoparticle in a base fluid of Water-Ethylene glycol mixture. The effects of heat input (A), nanoparticle volume fraction (B), and base fluid concentration (C) on experimental heat transfer coefficient (hexpnf) were studied. By the results obtained by MINITDesign software 23 full factorial design matrix, 16 experimental runs were performed with the lowe

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18

Gamal, M., M. S. Radwan, I. G. Elgizawy, and M. H. Shedid. "Experimental studies on thermophysical properties of ethylene glycol/water-based MgO nanofluids." Journal of Physics: Conference Series 2299, no. 1 (2022): 012022. http://dx.doi.org/10.1088/1742-6596/2299/1/012022.

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Abstract In the present study, the aim is to experimentally measure the isobaric specific heat, viscosity and thermal conductivity of different magnesium oxide (MgO) nanoparticles concentrations dispersed in ethylene glycol/ water mixture with ratio 50:50 vol% as a base fluid. The experiments were performed on 20 nm particle size of MgO nanoparticles suspended in base fluid with different volume fractions from 0.25 to 1% and temperature range from 40 to 120°C. The data results detected that the specific heat capacity of nanofluids reduces as the nanoparticles volume fraction increases but incr

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Saghir, M. Z., and C. Welsford. "Forced Convection in Porous Media Using Al2O3 and TiO2 Nanofluids in Differing Base Fluids." Energies 13, no. 10 (2020): 2665. http://dx.doi.org/10.3390/en13102665.

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The following work presents a numerical evaluation of the use of TiO2 and Al2O3 nanofluids operating with ethylene glycol and water as base fluids—as well as an experimental evaluation of Al2O3-water nanofluid. Both numerical and experimental systems were tested and operated under various flow and heat transfer conditions, including four flow rates and three heat fluxes. When compared, the numerical schemes and experimental results showed deviation of under two degrees Celsius. This led the authors to conclude that the numerical scheme accurately reflected the experimental conditions. When all

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Kathir Kaman, M. D., M. Cheralathan, Vedansh Sharma, and Aditya Viswanathan. "Study on viscosity of MWCNT dispersed in ethylene glycol at different operating conditions for thermal applications." Journal of Physics: Conference Series 2054, no. 1 (2021): 012047. http://dx.doi.org/10.1088/1742-6596/2054/1/012047.

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Abstract In recent times the development of nanotechnology has taken place at an unprecedented rate. Nano-fluids are one of the remarkable outcomes of the development of new technologies that can be used to increase the efficiency of thermal systems. Nanofluids, which consist of particles in nanometre size and a base fluid, have been hailed as a superior alternative compared to a common heat transfer fluid like water due to their better thermal properties and having many potential applications in many fields, especially in HVAC, electronic cooling, solar heating and cooling etc., The MWCNT-bas

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Ji Ying, Choong, Yu Kok Hwa, and Mohd Zulkifly Abdullah. "Numerical Study of Heat Transfer Characteristics of Laminar Nanofluids Flow in Oblique Finned Microchannel Heat Sink: Effects of Different Base Fluids and Volume Fraction of Nanoparticles." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 76, no. 3 (2020): 25–37. http://dx.doi.org/10.37934/arfmts.76.3.2537.

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This paper demonstrates a numerical study of heat transfer characteristics of laminar flow in oblique finned microchannel heat sink using nanofluid with nanoparticles added to various base fluids including water, ethylene glycol and turbine oil as coolant fluid. The width of the primary channel was 0.5 mm and the secondary channel was less than 0.15 mm in the oblique finned microchannel heat sink with an aspect ratio of 3. ANSYS Fluent was employed to model the flow in the geometry of microchannel. Single phase model and constant heat flux boundary condition were used in this numerical study.

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Periasamy, Manikandan, and Rajoo Baskar. "Experimental heat transfer studies on copper nanofluids in a plate heat exchanger." Chemical Industry and Chemical Engineering Quarterly, no. 00 (2020): 20. http://dx.doi.org/10.2298/ciceq191220020p.

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The objective of the present work is to study the influence of Copper nanoparticle concentration on heat transfer performance of mixed base fluid. In the present study, the performance of copper nanoparticles in (Ethylene Glycol (EG) + Propylene Glycol (PG) + Water (W)) base fluid was analyzed in the chevron-type Plate Heat Exchanger. The sol-gel method was used to prepare Copper nanoparticles (100 nm); dispersed in two different mixed base fluids of volume fractions 5%EG + 5%PG + 90%W and 15%EG +5%PG +80%W. Experiments were performed by varying the nanoparticle concentration from 0.2 to 1.0 v

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Menni, Younes, Ali J. Chamkha, Nicola Massarotti, Houari Ameur, Noureddine Kaid, and Mohammed Bensafi. "Hydrodynamic and thermal analysis of water, ethylene glycol and water-ethylene glycol as base fluids dispersed by aluminum oxide nano-sized solid particles." International Journal of Numerical Methods for Heat & Fluid Flow 30, no. 9 (2020): 4349–86. http://dx.doi.org/10.1108/hff-10-2019-0739.

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Purpose The purpose of this paper is to carry out a hydrodynamic and thermal analysis of turbulent forced-convection flows of pure water, pure ethylene glycol and water-ethylene glycol mixture, as base fluids dispersed by Al2O3 nano-sized solid particles, through a constant temperature-surfaced rectangular cross-section channel with detached and attached obstacles, using a computational fluid dynamics (CFD) technique. Effects of various base fluids and different Al2O3 nano-sized solid particle solid volume fractions with Reynolds numbers ranging from 5,000 to 50,000 were analyzed. The contour

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Velagapudi, Vasu, Krishna Konijeti, and Kumar Aduru. "Empirical correlations to predict thermophysical and heat transfer characteristics of nanofluids." Thermal Science 12, no. 2 (2008): 27–37. http://dx.doi.org/10.2298/tsci0802027v.

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Nanofluids exhibits larger thermal conductivity due to the presence of suspended nanosized solid particles in them such as Al2O3, Cu, CuO,TiO2, etc. Varieties of models have been proposed by several authors to explain the heat transfer enhancement of fluids such as water, ethylene glycol, engine oil containing these particles. This paper presents a systematic literature survey to exploit the thermophysical characteristics of nanofluids. Based on the experimental data available in the literature empirical correlation to predict the thermal conductivity of Al2O3, Cu, CuO, and TiO2 nanoparticles

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Permanasari, Avita Ayu, Muhammad Hilmi Rusli, Poppy Puspitasari, Sukarni Sukarni, S. N. Azella Zaine, and Wahyunengsih Wahyunengsih. "Experimental Study on the Heat Transfer Performance of Nanofluid MnFe<sub>2</sub>O<sub>4</sub> - Ethylene Glycol/Water on Double-Pipe Heat Exchanger." Key Engineering Materials 941 (March 17, 2023): 183–90. http://dx.doi.org/10.4028/p-834lbm.

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The heat exchanger is an example of heat transfer applications in industries that commonly found in cooling systems and powerplants. The heat exchangers utilise water, oil, and ethylene glycol (EG) as heat transfer fluids which possess a deficiency in heat transfer characteristics. Nanofluid are expected to improve the heat characteristics of the fluid used in heat exchangers. This research used MnFe2O4 nanoparticles with a volume fraction of 0.05% into the base fluid. The base fluid is a mixture of EG-water with a concentration of 20; 40; 60; and 80%. This study aims to understand the heat tr

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Toghraie, Davood, Maboud Hekmatifar, and Niyusha Adavoodi Jolfaei. "Investigation of heat transfer and fluid flow behaviors of CuO/(60:40)% ethylene glycol and water nanofluid through a serpentine milichannel heat exchanger." International Journal of Numerical Methods for Heat & Fluid Flow 30, no. 4 (2019): 1603–36. http://dx.doi.org/10.1108/hff-10-2018-0560.

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Purpose This paper aims to investigate the three-dimensional (3D) numerical simulations, based on the Navier–Stokes equations and the energy equation. Forced convection of a mixture of (60:40) percent ethylene glycol and water, was used as the base fluid and CuO nanoparticles, through a serpentine minichannel. Design/methodology/approach In this simulation, a serpentine mini-channel heat exchanger was simulated. The fluid studied in this simulation was composed of a mixture of (60:40) per cent ethylene glycol and water, was used as the base fluid and CuO nanoparticles. Four slabs and three ser

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Ramanuja, M., B. T. Raju, V. Nagaradhika, B. Madhusudhana Rao, P. Durgaprasad, and C. S. K. Raju. "Significance of Axisymmetric Flow of Casson Darcy Unsteady Slip Flow in a Suspension of Nanoparticles with Contracting Walls." Journal of Nanofluids 11, no. 3 (2022): 350–59. http://dx.doi.org/10.1166/jon.2022.1843.

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Current research inspects the influences of heat and mass transfer features of a Casson nanofluid flow over a growing or contracting porous medium with distinct permeability and thermal radiation. The free convection of ethylene-glycol and water as SWCNT Casson nanofluid and base fluid and it is impacted by a magnetic force field in two-dimensional flow. We have employed the governing equations of momentum, thermal radiation; boundary layers are lessened into a series of PDEs. And then, they are transformed to a series of non-linear ODEs by using similarity transformation technique. Numerical

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Hosseini, S. M. "Densities and derived properties of nanofluids from new empirical model based on Pack-Cho scheme." High Temperatures-High Pressures 53, no. 4 (2024): 323–38. http://dx.doi.org/10.32908/hthp.v53.1611.

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This work aimed to develop a new empirical model for density and derived properties of nanofluids using a new empirical equation based on Pack-Cho scheme. The previously developed Tammann-Tait based model by the author has suffered a mathematical drawback to properly represent isothermal compressibility and isobaric expansivity confident values with respect to the nanoparticle fraction. Then, that drawback has been fixed through the above-mentioned approach. The base fluid contributions were obtained from Tammann-Tait equation of earlier work, whereas the nanoparticle contribution was expresse

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Safiei, Wahaizad, Md Mustafizur Rahman, M. A. Hadi, W. H. Azmi, and M. N. Arifin. "Experimental Investigation on Preparation and Stability of Al2O3 Nanofluid In Deionized Water and Ethylene Glycol." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 77, no. 2 (2020): 47–62. http://dx.doi.org/10.37934/arfmts.77.2.4762.

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Nanofluid has the potential as a cooling medium for the next generation fluid as it possesses many advantages in many engineering applications. However, one of the main challenges is to establish a well-dispersed nanoparticles system in a base fluid. The preparation technique of nanofluid plays an important part as it influences the measurement of thermal conductivity. Therefore, the objectives of this study are to evaluate the nanoparticle dispersion in different base fluid compositions and to determine the optimized suspension sonication time. In detail, 0.2 wt.% of Al2O3 nanofluid stability

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Sawicka, Dorota, Janusz T. Cieśliński, and Slawomir Smolen. "A Comparison of Empirical Correlations of Viscosity and Thermal Conductivity of Water-Ethylene Glycol-Al2O3 Nanofluids." Nanomaterials 10, no. 8 (2020): 1487. http://dx.doi.org/10.3390/nano10081487.

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Because of their superb thermal conductivity, nanofluids are seen as new generation of cooling mediums in many engineering applications. It is well established that even a small amount of nanoparticles mixed with a base fluid may result in distinct thermal conductivity enhancement. On the other hand, addition of nanoparticles to the base fluid results in its substantial viscosity increase. Therefore, it is very difficult to evaluate the relative importance of viscosity and thermal conductivity of the nanofluid on convective heat transfer performance. In order to estimate such resultant impact

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Tahat, Montasser S., and Ali Cemal Benim. "Experimental Analysis on Thermophysical Properties of Al₂O₃/CuO Hybrid Nano Fluid with its Effects on Flat Plate Solar Collector." Defect and Diffusion Forum 374 (April 2017): 148–56. http://dx.doi.org/10.4028/www.scientific.net/ddf.374.148.

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Hybrid nanofluid is the new generation of heat transfer fluid for various heat transfer applications where transport characteristics are substantially higher than the base liquid. The study presents an experimental investigation of rheological and thermophysical properties of Al2O3/ CuO hybrid nanoparticles suspended in 25:75 (by weight) ethylene glycol and water mixture. This manuscript presents experimental work of thermophysical properties of Al2O3/CuO/water/ethylene glycol hybrid nanofluids and its effect on thermal efficiency of flat plate solar collector. Nanofluids of particle volume pe

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Alagappan, Narayanan, and Narayanan Karunakaran. "Thermal Characteristics of a Circular Finned Thermosyphon Using Different Working Fluids." Applied Mechanics and Materials 575 (June 2014): 322–28. http://dx.doi.org/10.4028/www.scientific.net/amm.575.322.

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The two-phase closed thermosyphon (TPCT), which is essentially a gravity-assisted wickless heat pipe, utilizes the evaporation and condensation of the working fluid inside the TPCT to transport heat. This experimental study was carried out to understand the thermal performance of circular finned thermosyphon using nanofluid with alcohol and was analyzed, compared with alcohol and base fluid DI water. The concentration of nanoparticle used in this setup was 110mg/lit of TiO2combined with 0.2 ml of ethylene glycol. The heat input (Q) were 10W, 12W, 14 W and 16 W and the orientation 30°, 45°, 60°

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Rangari, Aashish Kumar, and Gouraw Beohar. "Heat Exchanger Performance Improvement through Double Pipe Counter Flow type by using Different Nano Fluids." International Journal for Research in Applied Science and Engineering Technology 11, no. 2 (2023): 505–9. http://dx.doi.org/10.22214/ijraset.2023.49075.

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Abstract: The main purpose of present research work is to improve performance of double pipe heat exchanger performance. In this present work two types of nano fluid s taken :Al2O3 and CuO with a mixture of water and Ethylene Glycol as a base fluid. Al2O3 and CuO nanoparticles of concentration 0.05%, 0.15% and 0.3% were added to the base fluid. Overall performance is done by using ANSYS Fluent. The overall heat transfer coefficient, heat transfer rate, and temperature decrease are the basic characteristics that are taken into account while evaluating the results

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G. Sudha, V. Ganesh, B. Chitra, S. V. Vanisuvathsala, and K. Vidhyavarshini. "Role of Nano Coolant in Optimizing Heat Transfer." International Research Journal on Advanced Engineering and Management (IRJAEM) 6, no. 07 (2024): 2470–73. http://dx.doi.org/10.47392/irjaem.2024.0355.

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Nanofluids are colloidal mixtures of base fluids such as oil, ethylene glycol, water, or a combination of these base fluids and metal, metal oxide, or ceramic nanoparticles. The concept of Nano coolants is used in jacketed vessel to increase the thermal conductivity of water. The Nano sized powder will then be distributed into a fluid with the aid of strong magnetic force agitation, ultrasonic agitation, etc. Due to the high surface area and surface activity nanoparticles has the tendency to aggregate. Lower concentration of nanocoolant will increase the heat transfer rate without increase in

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Surakasi, Raviteja, Jaikumar Sagari, Krishna Bharath Vinjamuri, Bhanuteja Sanduru, and Srinivas Vadapalli. "Stability and Thermo-Physical Properties of Ethylene Glycol Based Nanofluids for Solar Thermal Applications." International Journal of Heat and Technology 39, no. 1 (2021): 137–44. http://dx.doi.org/10.18280/ijht.390114.

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This article summarizes research involving the evaluation of the thermo-physical properties of ethylene- glycol-based solar thermic fluids oxidized multi-walled carbon nanotubes. Nanofluids were prepared with Ethylene glycol and water as base fluids in 100:0, 90:10 and 80:20 ratios. Base fluids of three categories were dispersed with surfactant-assisted multi-walled carbon nanotubes (MWCNTs) and oxidized MWCNTs in the weight fractions of 0.125, 0.25, and 0.5 percentages to check the influence of surface modification technique on the thermophysical properties. The variation in zeta potential is

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Dayf, Abdellatif, M’barek Feddaoui, Said Bouchta, Adil Charef, and Houssine El Ihssini. "Effect of Nanoparticles and Base Fluid Types on Natural Convection in a Three-Dimensional Cubic Enclosure." Mathematical Problems in Engineering 2021 (January 18, 2021): 1–13. http://dx.doi.org/10.1155/2021/8882790.

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Convective heat transfer using nanofluids play an important role in thermal applications such as heat exchangers, automotive industries, and power generation. In this work, a numerical analysis is conducted to examine the heat transfer of nanofluid in three-dimensional differentially heated cavity. The finite volume method-based SIMPLEC algorithm is used to solve the system of the mass, momentum, and energy transfer governing equations. The left and the right vertical side walls of the cube are maintained at constant temperatures T C and T H , respectively. The remaining walls of the cube are

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Shahsavar Goldanlou, Aysan, Mohammad Badri, Behzad Heidarshenas, Ahmed Kadhim Hussein, Sara Rostami, and Mostafa Safdari Shadloo. "Numerical Investigation on Forced Hybrid Nanofluid Flow and Heat Transfer Inside a Three-Dimensional Annulus Equipped with Hot and Cold Rods: Using Symmetry Simulation." Symmetry 12, no. 11 (2020): 1873. http://dx.doi.org/10.3390/sym12111873.

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A 3D computational fluid dynamics method is used in the current study to investigate the hybrid nanofluid (HNF) flow and heat transfer in an annulus with hot and cold rods. The chief goal of the current study is to examine the influences of dissimilar Reynolds numbers, emissivity coefficients, and dissimilar volume fractions of nanoparticles on hydraulic and thermal characteristics of the studied annulus. In this way, the geometry is modeled using a symmetry scheme. The heat transfer fluid is a water, ethylene–glycol, or water/ethylene–glycol mixture-based Cu-Al2O3 HNF, which is a Newtonian NF

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Sonia, Pankaj, Rakesh Chandrashekar, Nibras Hayder, et al. "Thermal Analysis of Radiator Using Sustainable Graphene oxide Nanofluid Mixture of Ethylene Glycol and Water." E3S Web of Conferences 552 (2024): 01103. http://dx.doi.org/10.1051/e3sconf/202455201103.

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The purpose of the research is to determine if adding grapheme oxide (GO) fluids combined with EG (ethylene glycol) or water might boost the transfer of heat in automobile radiators. Radiators are essential parts of car cooling systems; they dissipate extra heat that the engine produces. The capacity of conventional coolants to transport temperature is limited, including Glycol and water. The ability to conduct heat may be improved with the use of nanoparticles fluids, which are basically solutions of particles in a base liquidize. This technique uses ethylene glycol and water to create a nano

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Jyotshna, Mamidala, and Vadlakonda Dhanalaxmi. "Impact of Activation Energy and Heat Source/Sink on 3D Flow of Williamson Nanofluid with GaN Nanoparticles over A Stretching Sheet." European Journal of Mathematics and Statistics 3, no. 5 (2022): 16–29. http://dx.doi.org/10.24018/ejmath.2022.3.5.133.

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Several novel techniques for the study of thermophysical characteristics have opened up new avenues for understanding the flow and heat transfer effects in nanofluids, leading to novel applications. There have been studies on nanofluids including different metal, ceramic and magnetic nanoparticles mixed with base fluids such as Water, Kerosene, and Ethylene glycol. However, research using semiconductor nanoparticles is restricted. For the investigation, Gallium nitrite, a binary semiconductor with excellent heat convection combined with base fluid Ethylene glycol in nanoparticle form, is emplo

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Makau Kimulu, Ancent, Winfred Nduku Mutuku, and Nicholas Muthama Mutua. "Car Antifreeze and Coolant: Comparing Water and Ethylene Glycol as Nano Fluid Base Fluid." International Journal of Advances in Scientific Research and Engineering 4, no. 6 (2018): 17–37. http://dx.doi.org/10.31695/ijasre.2018.32748.

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Syam Sundar, L., Feroz Shaik, and Munaver Jaman Basheer Ahmed. "Figures-of-Merit Analysis Using the Thermophysical Properties of Water and Ethylene Glycol Based Reduced Graphene Oxide/Nanodiamond Hybrid Nanofluids." Journal of Nanofluids 12, no. 3 (2023): 853–66. http://dx.doi.org/10.1166/jon.2023.1983.

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The water and ethylene glycol based stable rGO/nanodiamond hybrid nanofluids were prepared and used for thermophysical properties analysis. The thermophysical properties were measured experimentally at various particle loadings from 0.2% to 1.0% and various temperatures ranging from 20 to 60 °C. From the measured thermophysical properties the figures-of-merit were analyzed by assuming constant heat flux and turbulent boundary conditions by using different models, and also by assuming the hybrid nanofluids flows through a tube. Results indicate that the thermal conductivity of water and ethylen

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Sadiq, Kashif, Fahd Jarad, Imran Siddique, and Bagh Ali. "Soret and Radiation Effects on Mixture of Ethylene Glycol-Water (50%-50%) Based Maxwell Nanofluid Flow in an Upright Channel." Complexity 2021 (May 27, 2021): 1–12. http://dx.doi.org/10.1155/2021/5927070.

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In this article, ethylene glycol (EG) + waterbased Maxwell nanofluid with radiation and Soret effects within two parallel plates has been investigated. The problem is formulated in the form of partial differential equations. The dimensionless governing equations for concentration, energy, and momentum are generalized by the fractional molecular diffusion, thermal flux, and shear stress defined by the Caputo–Fabrizio time fractional derivatives. The solutions of the problems are obtained via Laplace inversion numerical algorithm, namely, Stehfest’s. Nanoparticles of silver (Ag) are suspended in

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Boukerma, K., and M. Kadja. "Convective Heat Transfer of Al2O3 and CuO Nanofluids Using Various Mixtures of Water-Ethylene Glycol as Base Fluids." Engineering, Technology & Applied Science Research 7, no. 2 (2017): 1496–503. http://dx.doi.org/10.48084/etasr.1051.

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In this work, a numerical study has been performed on the convective heat transfer of Al2O3/Water-Ethylene Glycol (EG) and CuO/(W-EG) nanofluids flowing through a circular tube with circumferentially non-uniform heating (constant heat flux) under the laminar flow condition. We focus on the study of the effect of EG-water mixtures as base fluids with mass concentration ranging from 0% up to 100% ethylene glycol on forced convection. The effect on the flow and the convective heat transfer behavior of nanoparticle types, their volume fractions (φ=1-5%) and Reynolds number are also investigated. T

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Boukerma, K., and M. Kadja. "Convective Heat Transfer of Al2O3 and CuO Nanofluids Using Various Mixtures of Water-Ethylene Glycol as Base Fluids." Engineering, Technology & Applied Science Research 7, no. 2 (2017): 1496–503. https://doi.org/10.5281/zenodo.571284.

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In this work, a numerical study has been performed on the convective heat transfer of Al2O3/Water-Ethylene Glycol (EG) and CuO/(W-EG) nanofluids flowing through a circular tube with circumferentially non-uniform heating (constant heat flux) under the laminar flow condition. We focus on the study of the effect of EG-water mixtures as base fluids with mass concentration ranging from 0% up to 100% ethylene glycol on forced convection. The effect on the flow and the convective heat transfer behavior of nanoparticle types, their volume fractions (φ=1-5%) and Reynolds number are also investigated. T

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P.Prem, Kumar* P.V.S.Murali Krishna. "IMPROVING PERFORMANCE OF AUTOMOBILE RADIATOR BY ADDING AL2O3(ALUMINA)NANOFLUID TO ETHYLENE GLYCOL BASED FLUID COOLANT." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 5 (2017): 445–52. https://doi.org/10.5281/zenodo.573548.

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In this paper, we observed that the enhancement of forced convective heat transfer rate of aluminium automobile radiator after using Al2O3 nano fluid with ethylene glycol base fluid coolant. In this experimental investigation , we consider volume fraction and the flow rate of coolant as parameters. we take volume concentration of Al2O3 nanoparticles in the range of 0.01 to 0.12 % and base fluid is 15 liters. We have chosen sonication process to mix Al2O3 nanoparticle with water using ultrasonic sonicator for 2 hours for getting stable suspension in water. Heat transfer rate were increased by i

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Kaleem, Muhammad, Muzaffar Ali, Nadeem Ahmed Sheikh, Javed Akhtar, Rasikh Tariq, and Jaroslaw Krzywanski. "Performance Characteristic Analysis of Metallic and Non-Metallic Oxide Nanofluids for a Compound Parabolic Collector: Improvement of Renewable Energy Technologies in Buildings." Energies 16, no. 3 (2023): 1298. http://dx.doi.org/10.3390/en16031298.

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The building sector is targeting net-zero emissions through the integration of renewable energy technologies, especially for space cooling and heating applications. In this regard, the use of solar thermal concentrating collectors is of vital importance. The performance of these collectors increases by using an efficient fluid such as a nanofluid due to their high thermal conductivity. This research addresses the preparation, stability analysis, and characterisation of metallic and non-metallic oxide nanofluids and their experimental analysis in a compound parabolic collector (CPC) system. Fiv

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Nah, Kim Soon, and Yew Mun Hung. "Characterization of Thermal Conductivity and Viscosity of Nanofluids with Aqueous Base Fluids." Advanced Materials Research 1101 (April 2015): 344–47. http://dx.doi.org/10.4028/www.scientific.net/amr.1101.344.

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Two different nanofluids (SiO2 – EG/DW and SiO2 – DW) with various volume fractions are prepared by dispersing SiO2 nanoparticles (< 20 nm) into two different types of base fluid: distilled water and ethylene glycol/distilled water mixture. The effective thermal conductivity and viscosity of nanofluids are characterized and compared over a temperature range of 25oC - 50oC. It is found that the effective thermal conductivity and viscosity of nanofluid are influenced by the nanoparticle volume fraction and the operating temperature. The thermal conductivity of the SiO2 nanofluids with differe

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Varadhan, Balan, Surendran Ramakrishnan, Gopinath Palani, and Ayakannan Selvaraju. "Investigation on the enhancement of heat transfer in counterflow double-pipe heat exchanger using nanofluids." Thermal Science, no. 00 (2023): 273. http://dx.doi.org/10.2298/tsci230312273v.

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Particles less than 100 nanometers in size are suspended in a base fluid such as water, oil and ethylene glycol. These nanoparticles are floating in the nanofluid. The purpose of this study is to research the operation of a counter-flowing, double-pipe heat exchanger (DPHE) using two distinct nanofluids as cooling media. Titanium carbide (TiC) and carbon nanotubes (CNT) combine to form alkaline water, a basic fluid. The purpose of this research was to assess the performance of a counterflow DPHE using water with different concentrations of TiC and CNTs. Alkaline water had a particle volume con

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Molina, Gustavo J., Fnu Aktaruzzaman, Whitney Stregles, Valentin Soloiu, and Mosfequr Rahman. "Jet-Impingement Effects of Alumina-Nanofluid on Aluminum and Copper." Advances in Tribology 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/476175.

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Nanofluids are nanosize-powder suspensions that are of interest for their enhanced thermal transport properties. They are studied as promising alternatives to ordinary cooling fluids, but the tribiological effects of nanofluids on cooling-system materials are largely unknown. The authors have developed methodology that uses jet impingement on typical cooling-system materials to test such effects. The work is presented of the authors’ research on the interactions of a typical nanofluid (2% volume of alumina nanopowders in a solution of ethylene glycol in water) which is impinged on aluminum and

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Zhu, Bao Jie, Wei Lin Zhao, Dong Dong Li, and Jin Kai Li. "Effect of Volume Fraction and Temperature on Thermal Conductivity of SiO₂ Nanofluids." Advanced Materials Research 306-307 (August 2011): 1178–81. http://dx.doi.org/10.4028/www.scientific.net/amr.306-307.1178.

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Thermal conductivities of two kinds of nanofluids (SiO2-water and SiO2-ethylene glycol) were measured by transient hot-wire method at different volume fraction and temperature. Influences of volume fraction of particles and temperature on thermal conductivities of nanofluids were analyzed. The Experimental results show that thermal conductivities of nanofluids are higher than those of base fluids, and increase with the increase of volume fraction and temperature. When approximately 0.5% volume fraction of SiO2nanoparticles are added into water and ethylene glycol at the temperature 50°C, the t

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