Journal ArticleDOI
Experimental heat transfer, friction factor and effectiveness analysis of Fe3O4 nanofluid flow in a horizontal plain tube with return bend and wire coil inserts
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TLDR
In this paper, the authors report on the convective heat transfer, friction factor, effectiveness and number of transfer units (NTU) of Fe 3 O 4 /water nanofluids flow in a double pipe U-bend heat exchanger with and without wire coil inserts under turbulent flow conditions.About:
This article is published in International Journal of Heat and Mass Transfer.The article was published on 2017-06-01. It has received 62 citations till now. The article focuses on the topics: Nusselt number & Nanofluid.read more
Citations
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Combination of nanofluid and inserts for heat transfer enhancement
TL;DR: In this article, a review of the literature on the area of heat transfer improvement employing a combination of nanofluid and inserts is performed, and the progress made and current challenges for each combined system are discussed, and some conclusions and suggestions are made for future research.
Journal ArticleDOI
Modification for helical turbulator to augment heat transfer behavior of nanomaterial via numerical approach
Mohsen Sheikholeslami,M. Jafaryar,Zafar Said,Ammar I. Alsabery,Ammar I. Alsabery,Houman Babazadeh,Ahmad Shafee +6 more
TL;DR: In this article, the authors have analyzed the effect of width of tapes on the velocity gradient of the flow in turbulent simulation, and showed that the increase in velocity gradient increases the Sgen,f (frictional entropy) with the augment of width.
Journal ArticleDOI
Exergy destruction minimization: A principle to convective heat transfer enhancement
TL;DR: In this article, a mathematical model of convective heat transfer optimization was established by adopting adequate objective function and constraint condition based on exergy destruction minimization, and an optimal flow field of longitudinal whirling flow with multi-vortexes was obtained by solving the optimization controlling equations.
Journal ArticleDOI
Heat transfer performance of TiO2–SiO2 nanofluids in a tube with wire coil inserts
TL;DR: In this article, the authors presented the thermal hydraulic performance of TiO2-SiO2 nanofluids with wire coil inserts, which achieved the best condition for cooling system applications.
Journal ArticleDOI
Double-sided delta-wing tape inserts to enhance convective heat transfer and fluid flow characteristics of a double-pipe heat exchanger
Agung Tri Wijayanta,Indri Yaningsih,Indri Yaningsih,Muhammad Aziz,Takahiko Miyazaki,Takahiko Miyazaki,Shigeru Koyama +6 more
TL;DR: In this article, double-sided delta-wing (T-W) tape inserts were designed to enhance convective heat transfer of a double-pipe heat exchanger, which will boost the thermal performance of heat exchangers.
References
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Journal ArticleDOI
Investigation on Convective Heat Transfer and Flow Features of Nanofluids
Yimin Xuan,Qiang Li +1 more
TL;DR: In this article, an innovative new class of heat transfer fluids can be engineered by suspending metallic nanoparticles in conventional heat-transfer fluids, which are expected to exhibit high thermal conductivities compared to those of currently used heat transfer fluid, and they represent the best hope for enhancing heat transfer.
Journal ArticleDOI
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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