The experimental data were used to calculate overall heat transfer coefficient,convective heat transfer coefficient,and Nusselt number of nanofluids with various particle volume concentrations and Peclet numbers.For fluid flows in a concentric tube heat exchanger,the heat transfer rate of the hot fluid (nanofluid AL 2 O 3) in the inner tube can be expressed as
Cited by 23Publish Year 2014Author Reza Aghayari,Heydar Maddah,Malihe Zarei,Mehdi Dehghani,Sahar Ghanbari Kaskari MahalleImages of Nanofluids Heat Pipe FOR Heat Exchangersp.info mr-cfdNanofluid Heat transfer in a Double Pipe Heat Exchanger Mr CFDmr-cfdNanofluid Heat transfer in a Double Pipe Heat Exchanger Mr CFDhindawiHeat Transfer of Nanofluid in a Double Pipe Heat Exchangerslideshare.netNanofluid Heat Pipes 2015 Symposium.pptxhindawiHeat Transfer of Nanofluid in a Double Pipe Heat Exchanger imagesHeat transfer characteristics of nanofluids in heat
Apr 01,2013&0183;The suspended nanoparticles effectively enhance the transport properties and heat transfer characteristics of base fluids in heat pipes.The study reveals an improvement in the thermal efficiency and reduction in the thermal resistance of heat pipe with nanofluids,than that of conventional working fluids.
Cited by 156Publish Year 2013Author R.Sureshkumar,S.Tharves Mohideen,N.NethajiHeat transfer characteristics of nanofluids in heatsp.infoThe high thermal conductivity and specific heat of the nanofluids make them an attractive option in heat pipes 2,heat exchangers 3 and IC enginesEstimated Reading Time 7 mins(PDF) Nanofluids for the Next Generation Thermal
Operating principle of a generic heat pipe.Hinge et al.59 used nanofluids in an oscillating heat pipe and the results showed a Hinge et al.59 used nanofluids in an oscillating heat pipe and the results showed significant enhancement of the heat transfer.Full article Heat Transfer in Nanofluids—A Review.For nanofluid that contained 1.6% nanoparticles by volume,the local heat transfer coefficient at the entrance region was 41% higher than that at the base fluid with the same flow rateHEAT TRANSFER OF NANOFLUIDS THROUGH DOUBLE PIPE HEAT EXCHANGER CHAPTER 1 1.1 INTRODUCTION Nanofluids are dispersions of nanometer sized metal/metal oxide,carbon nanotubes,diamond or any other nanoparticles in a liquid medium.These fluids have shown a significant increase in the thermal conductivity compared to the base fluid.Feb 20,2019&0183;This paper examines the heat transfer of the MWCNT–water nanofluids in a double-pipe heat exchanger made of PVDF tube.It also includes the effects of porous media on flow and heat transfer characteristics at various volume flow rates and mass concentrations.
Cited by 84Publish Year 2019Author Ahmad Moradi,Davood Toghraie,Amir Homayoon Meghdadi Isfahani,Ali HosseinianHeat Transfer Cost-Effectiveness of Nanofluidssp.infonanofluids as coolants to improve heat-exchanger efficiency.However,the nano particles also cause the increase of fluid viscosity.The present paper has numerically studied the flow and heat transfer of the nanofluids in a 2-D microchannel by using Computational Fluid Dynamics method.It is found that although the nanoCited by 1Publish Year 2006Author L Pan,D Xu,Q YaoExperimental assessment of Al2O3 and Cu nanofluids on the
Jan 24,2020&0183;Similarly,the effect of γ- Al 2 O 3 /water nanofluid on the properties of double pipe heat exchanger was experimentally studied by Raei et al. 16 .They found the heat transfer coefficient to increase by 23% for the nanoparticle with volume concentration of 0.15%.
Cited by 8Publish Year 2020Author Esam I.Jassim,Faizan AhmedA review on using nanofluids in heat pipes Request PDFsp.infoThe data of several publications on nanofluids,heat pipes and machine learning acquired in the Web of Science for the decade from 2010 to 2019 indicates thatEstimated Reading Time 12 minsFLOW AND CONVECTIVE HEAT TRANSFER
This paper presents an experimental investigation of convective heat transfer coefficient for nanofluids using spiral pipe heat exchanger.The aim of this study is to investigate experimentally flow and convective heat transfer characteristics ofHeat Exchanger Nanofluids Heat Pipe for Waste Heat Recovery.The heat pipe is a fully enclosed metal pipe with a vacuum inside and equipped with a heat transfer medium and a liquid wick.When one end is heated,the medium in the tube vaporizes and transfers the heat to the other end.The heated section is called the evaporation section (heating Jun 06,2017&0183;Chun et al.observed an improvement of 10% in the overall heat transfer coefficient for the nanofluids of water/oil containing alumina particles of 0.5% solid volume ratio in a double pipe heat exchanger.
Cited by 8Publish Year 2017Author Semahat Doruk,Osman Nuri Şara,Ali Karaipekli,Sinan YapıcıEvaluation of Heat Transfer Mechanisms in Heat Pipe sp.infoFeb 12,2019&0183;The nanofluid is a colloidal solid–liquid mixture obtained by the dispersing nanoparticles with a high heat transfer coefficient in the base fluid.In general,metal,metal oxide,ceramic and magnetic nanoparticles are used in nanofluids.The nanoparticles suspended in the base fluid of heat pipes effectively increased the heat transfer rate and thermal conductivityCited by 5Publish Year 2019Author Vahit Corumlu,Ahmet Ozsoy,Murat OzturkEstimated Reading Time 5 minsAn Experimental Study on Silicon Carbide-water Nanofluids
May 08,2018&0183;The heat transfer enhancement of the fluids has been developed and applied for many heat exchange systems.There are many ways in which the heat transfer can be enhanced and among them,the use of nanofluids and the use of passive elements in the heat pipes and heat exchangers are of prime importance as they have reported a reasonable improvement in