Journal ArticleDOI
Enhancing the thermal performance of TiO2/water nanofluids flowing in a helical microfin tube
Budi Kristiawan,Ahmad Imam Rifa'i,Koji Enoki,Agung Tri Wijayanta,Takahiko Miyazaki,Takahiko Miyazaki +5 more
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In this article, a hybrid method with a microfin tube and TiO2/water nanofluid with various nanoparticles concentration has been investigated experimentally, and the objectives of this work are to characterize thermohydraulic including friction factor and thermal performance, and to develop correlation based on the experimental result.About:
This article is published in Powder Technology.The article was published on 2020-10-01. It has received 41 citations till now. The article focuses on the topics: Nanofluid & Pressure drop.read more
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Numerical simulation of flow and heat transfer characteristics of nanofluids in built-in porous twisted tape tube
TL;DR: In this article, the effects of tube structure, twisted tape hole spacing, and hole shape on the flow and heat exchange characteristics of nanofluids in the tube were systematically researched by numerical simulation.
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Experimental investigation of heat transfer of Al2O3 nanofluid in a microchannel heat sink
Sung Yong Jung,Hanwook Park +1 more
TL;DR: In this paper, the velocity and temperature fields of Al2O3 nanofluid and deionized (DI) water in a microchannel heat sink were systematically analyzed by employing the particle image velocimetry (PIV) and laser induced fluorescence (LIF) measurement techniques.
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Experimental study on heat transfer, friction factor, entropy and exergy efficiency analyses of a corrugated plate heat exchanger using Ni/water nanofluids
B. Saleh,B. Saleh,L. Syam Sundar +2 more
TL;DR: In this paper, the authors investigated the performance index ratio of nickel/water nanofluids flow in a corrugated plate heat exchanger and found that the increase of nanoparticle loadings and Reynolds number leads to an augmentation of the overall heat transfer coefficient, heat transfer coefficients, and Nusselt number.
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Effectiveness of Nonuniform Heat Generation (Sink) and Thermal Characterization of a Carreau Fluid Flowing across a Nonlinear Elongating Cylinder: A Numerical Study
S. M. Hussain,B. Shankar Goud,Prakash Madheshwaran,Wasim Jamshed,Amjad Ali Pasha,Rabia Saleem Safdar,M. Arshad,Rabha W. Ibrahim,Mohammad Kalimuddin Ahmad +8 more
TL;DR: In this paper , the impact of heat transmission in a Carreau fluid flow (CFF) through a stretching cylinder in terms of the nonlinear stretching rate and irregular heat source/sink was investigated.
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A Review of Recent Passive Heat Transfer Enhancement Methods
Seyed Soheil Mousavi Ajarostaghi,Mohammad Zaboli,Hossein Javadi,Borja Bouza Badenes,Javier F. Urchueguía +4 more
TL;DR: In this article , a review of the passive heat transfer enhancement methods is presented, where various components are applied to the heat transfer/working fluid flow path to improve the thermal transfer rate.
References
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Journal ArticleDOI
Describing the Uncertainties in Experimental Results
TL;DR: The material presented in this paper covers the method of describing the uncertainties in an engineering experiment and the necessary background material, as well as a technique for numerically executing uncertainty analyses when computerized data interpretation is involved.
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Hydrodynamic and heat transfer study of dispersed fluids with submicron metallic oxide particles
Bock Choon Pak,Young I. Cho +1 more
TL;DR: In this article, the authors used a Brookfield rotating viscometer to measure the viscosities of the dispersed fluids with γ-alumina (Al2O3) and titanium dioxide (TiO2) particles at a 10% volume concentration.
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Conceptions for heat transfer correlation of nanofluids
Yimin Xuan,Wilfried Roetzel +1 more
TL;DR: In this article, the authors proposed two different approaches for deriving heat transfer correlation of the nanofluid, and investigated the mechanism of heat transfer enhancement of the nano-fluid.
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Heat transfer characteristics of nanofluids: a review
Xiang-Qi Wang,Arun S. Mujumdar +1 more
TL;DR: A review on fluid flow and heat transfer characteristics of nanofluids in forced and free convection flows is presented in this article, where the authors identify opportunities for future research.