Experimental analysis of heat transfer enhancement and flow with Cu, TiO2 ethylene glycol distilled water nanofluid in spiral coil heat
Other Title(s)
التحليل العملي في تحسين انتقال الحرارة و الجريان للموائع النانوية باستخدام النحاس، و أوكسيد التيتانيوم مع إثيلين كلايكول و ماء مقطر في مبادل حراري حلزوني
Author
Source
Tikrit Journal of Engineering Sciences
Issue
Vol. 24, Issue 3 (30 Sep. 2017), pp.63-77, 15 p.
Publisher
Tikrit University Colleg of Engineering
Publication Date
2017-09-30
Country of Publication
Iraq
No. of Pages
15
Main Subjects
Abstract EN
This experimental investigation was performed to improve heat transfer in the heat exchanger (tube of shell and helically coiled (using nanoparticles for turbulent parallel flow and counter flow of distilled water (Dw) and ethylene glycol (EG) fluids.
Six types of nanofluids have been used namely: copper – distilled water, copper – distilled water and ethylene glycol, copper – ethylene glycol, titanium oxide – distilled water, titanium oxide – distilled water and ethylene glycol, titanium oxide – ethylene glycol with 0.5%,1%,2%,3% and 5% volume concentration as well as the range of Reynolds number are 4000 – 15000.
The experimental results revel that an increase in coefficient of heat transfer of 50.2 % to Cu – Dw, 41.5% to Cu – ( EG + Dw ), 32.12 % for Cu – EG , 36.5% for TiO2 – Dw, 30.2 % to TiO2 – ( EG + Dw) and 25.5%, to TiO2 – EG .
The strong nanoconvection currents and good mixing caused by the presence of Cu and TiO2 nanoparticles.
The metal nanofluids give more improvement than oxide nanofluids.
The shear stress of nanofluids increases with concentration of nanoparticles in case parallel and counter flow.
The effect of flow direction insignificant on coefficient of overall heat transfer and the nanofluids behaves as the Newtonian fluid for 0.5%,1%,2%,3% and 5%.
Good assent between the practical data and analytical prediction to nanofluids friction factor which means the nanofluid endure pump power no penalty.
This study reveal that the thermal performance from nanofluid Cu – Dw is higher than Cu – (EG + Dw) and Cu – EG due to higher thermal conductivity for the copper and distilled water compared with ethylene glycol.
American Psychological Association (APA)
Sultan, Khalid Faysal. 2017. Experimental analysis of heat transfer enhancement and flow with Cu, TiO2 ethylene glycol distilled water nanofluid in spiral coil heat. Tikrit Journal of Engineering Sciences،Vol. 24, no. 3, pp.63-77.
https://search.emarefa.net/detail/BIM-946142
Modern Language Association (MLA)
Sultan, Khalid Faysal. Experimental analysis of heat transfer enhancement and flow with Cu, TiO2 ethylene glycol distilled water nanofluid in spiral coil heat. Tikrit Journal of Engineering Sciences Vol. 24, no. 3 (2017), pp.63-77.
https://search.emarefa.net/detail/BIM-946142
American Medical Association (AMA)
Sultan, Khalid Faysal. Experimental analysis of heat transfer enhancement and flow with Cu, TiO2 ethylene glycol distilled water nanofluid in spiral coil heat. Tikrit Journal of Engineering Sciences. 2017. Vol. 24, no. 3, pp.63-77.
https://search.emarefa.net/detail/BIM-946142
Data Type
Journal Articles
Language
English
Notes
Record ID
BIM-946142