Measurement of the Viscosity of Dilute Magnetic Fluids

Li, Qiang; Xuan, Yimin; Wang, Jian

doi:10.1007/s10765-006-0015-8

Cited by 20 publications

(7 citation statements)

References 10 publications

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“…Li et al [68] inspected the surfactant concentration on the viscosity of magnetic nanofluids and pointed out that the viscosity of nanofluids increased by raising the concentration of the surfactant.…”

Section: Effect Of Surfactantsmentioning

confidence: 99%

A brief review on viscosity of nanofluids

et al. 2014

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Since the past decade, rapid development in nanotechnology has produced several aspects for the scientists and technologists to look into. Nanofluid is one of the incredible outcomes of such advancement. Nanofluids (colloidal suspensions of metallic and nonmetallic nanoparticles in conventional base fluids) are best known for their remarkable change to enhanced heat transfer abilities. Earlier research work has already acutely focused on thermal conductivity of nanofluids. However, viscosity is another important property that needs the same attention due to its very crucial impact on heat transfer. Therefore, viscosity of nanofluids should be thoroughly investigated before use for practical heat transfer applications. In this contribution, a brief review on theoretical models is presented precisely. Furthermore, the effects of nanoparticles' shape and size, temperature, volume concentration, pH, etc. are organized together and reviewed.

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Section: Effect Of Surfactantsmentioning

confidence: 99%

A brief review on viscosity of nanofluids

et al. 2014

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“…The viscosity of nanofluid affects nanofluids' behavior and the capacity of the pumping power of the circulating of fluids [48], in addition to heat transfer characteristics [49]. Increasing the viscosity of nanofluid is linked with increasing surfactant concentrations [50], [51]. Based on the author [52], the volume concentration and temperature would control the viscosity, while the base fluid is the most important factor determining the nanofluid viscosity.…”

Section: Thermophysical Properties Of Nanofluidmentioning

confidence: 99%

Applications of nanotechnology with hybrid photovoltaic/thermal systems: A review

Alktranee¹,

Bencs²

2021

J Appl Eng Science

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This paper appears potential of use nanofluids as a working fluid with the photovoltaic/thermal (PV/T) systems as an alternative of the conventional liquids in improves the efficiency of the hybrid PV/T system. The review highlights the impact of some parameters (base fluid, volume fraction, the concentration of nanoparticles, surfactants, shape, and size of nanoparticles) on nanofluids' thermophysical properties and their effect on the PV/T system's efficiencies. Hence, it discusses the PV/T behavior, which uses different nanofluids based on previous experimental, analytical, and numerical studies. The review concluded that using nanofluid as a cooling fluid or spectral filter contributes by enhancing the performance and increasing the PV/T system's efficiency. Thus, each type of nanofluids has certain features that contribute to removing the PV cells' excess heat by cooling it, contributing to its work's stability, and increasing its productivity. Nanofluids thermophysical properties play an intrinsic role by enhancing nanofluids' performance, thus positively reflecting on the PV/T system's performance. Despite the variation in the values of thermal and electrical efficiency, Most of the studies that used nanofluids have achieved encouraging results that appeared by improving the performance of PV/T systems.

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“…However, in spite of the wide range of commercially available surfactants, several problems have been reported in the literature [ 107 ]. For example, several studies have reported increasing surfactant concentrations can increase nanofluid viscosity [ 108 , 109 ]. Further problems include foam generation, contamination and lower heat transfer properties.…”

Section: Nanofluids For Use In Direct Solar Absorption Collectorsmentioning

confidence: 99%

Nanofluid Types, Their Synthesis, Properties and Incorporation in Direct Solar Thermal Collectors: A Review

et al. 2017

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The global demand for energy is increasing and the detrimental consequences of rising greenhouse gas emissions, global warming and environmental degradation present major challenges. Solar energy offers a clean and viable renewable energy source with the potential to alleviate the detrimental consequences normally associated with fossil fuel-based energy generation. However, there are two inherent problems associated with conventional solar thermal energy conversion systems. The first involves low thermal conductivity values of heat transfer fluids, and the second involves the poor optical properties of many absorbers and their coating. Hence, there is an imperative need to improve both thermal and optical properties of current solar conversion systems. Direct solar thermal absorption collectors incorporating a nanofluid offers the opportunity to achieve significant improvements in both optical and thermal performance. Since nanofluids offer much greater heat absorbing and heat transfer properties compared to traditional working fluids. The review summarizes current research in this innovative field. It discusses direct solar absorber collectors and methods for improving their performance. This is followed by a discussion of the various types of nanofluids available and the synthesis techniques used to manufacture them. In closing, a brief discussion of nanofluid property modelling is also presented.

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Measurement of the Viscosity of Dilute Magnetic Fluids

Cited by 20 publications

References 10 publications

A brief review on viscosity of nanofluids

A brief review on viscosity of nanofluids

Applications of nanotechnology with hybrid photovoltaic/thermal systems: A review

Nanofluid Types, Their Synthesis, Properties and Incorporation in Direct Solar Thermal Collectors: A Review

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