Year 2017, Volume 4 , Issue 2, Pages 73 - 86 2017-08-10

Experimental Investigation of Laminar Convective Heat Transfer and Pressure Drop of Al2O3/Water Nanofluid in Circular Tube Fitted with Twisted Tape Insert

LAITH JAAFER Jaafer AL-SAADY [1] , Fouad A. Saleh [2] , Bassim M. Maajel [3]


In the present study, convective heat transfer coefficient and pressure drop of Al2O3/water nanofluid in laminar flow regime under constant inlet temperature conditions inside a circular finned-tube with a typical twisted tape was experimentally investigated. For this purpose, Al2O3 nanoparticles of 20 nm size were synthesized, characterized and dispersed in distilled water to formulate Al2O3/water nanofluid containing 3 and 5% volume concentration of nanoparticles. The thermophysical properties like thermal conductivity and viscosity of Al2O3 nanofluid is determined through experiments at different volume concentrations and validated. Experiments are conducted in the Reynolds number range of (678–2033) with tape of twist ratio (H/D = 1.85). The effect of different volume concentrations on convective heat transfer coefficient and friction factor was studied. The results emphasize that increasing of particle volume concentration leads to enhance convective heat transfer coefficient. Measurements show the average heat transfer coefficient enhanced about 21-51 % with 5% volume concentration and increased about 19-38 % with 3% volume concentration compared to distilled water. In addition, the average ratio of (fnf/fbf) was about 2.3 for 5% volume concentration. Therefore, there is a significant increase in friction factor for nanofluids. A generalized regression equation is developed for the estimation of Nusselt number and friction factor valid for nanofluid. 

Typical twisted tape, Heat transfer
  • [1] Bergles, A. E. "Handbook of Heat Transfer", McGraw-Hill, New York, NY, USA, 3rd edition, 1998.
  • [2] Adrian B. and Allan K. D. "Heat transfer enhancement" In Heat Transfer Handbook, Chapter 14, pg.1033, -1101, Wiley- 2003.
  • [3] Khaled A. R., Abdulhafiz N. I., and Boukhary A. Y., "Recent Advances in Heat Transfer Enhancements", Hindawi Publishing Corporation InternationalJournal of Chemical Engineering Volume 2010, Article ID 106461.
  • [4] Whitham, J. M., "The Effects of Retarders in Fire Tubes of Steam Boilers", Street Railway.1896, 12(6), 374.
  • [5] Khwanchit Wongcharee, Smith Eiamsa-ard, 2011,"Enhancement of Heat Transfer Using CuO/water Nanofluid and Twisted Tape with Alternate Axis", International Communications in Heat and Mass Transfer., 38:742–748.
  • [6] E. Esmaeilzadeh, H. Almohammadi, A. Nokhosteen, A. Motezaker and A. N. Omrani, "Study on Heat Transfer and Friction Factor Characteristics of γ-Al2O3/water Through Circular Tube with Twisted Tape Inserts with Different Thicknesses", International Journal of Thermal Sciences, 82 (2014) 72-83.
  • [7] Naik M. T., Ranga Janardana G., Syam Sundar L., "Experimental Investigation of Heat Transfer and Friction Factor with Water–Propylene Glycol Based CuO Nanofluid in a Tube with Twisted Tape Inserts", International Communications in Heat and Mass Transfer, 46, (2013), 13–21.
  • [8] L. Syam Sundar and K.V. Sharma, "LAMINAR CONVECTIVE HEAT TRANSFER AND FRICTION FACTOR OF AL2O3 NANOFLUID IN CIRCULAR TUBE FITTED WITH TWISTED TAPE INSERTS", International Journal of Automotive and Mechanical Engineering (IJAME), 3, (2011), 265-278.
  • [9] Suresh S, Venkitaraj KP, Selvakumar P., "Comparative study on thermal performance of helical screw tape inserts in laminar flow using Al2O3/water and CuO/water nanofluids". Super lattices and Microstructures 2011; 49:608–22.
  • [10] Suresh S, Venkitaraj KP, Selvakumar P, Chandrasekar M., "A comparison of thermal characteristics of Al2O3/water and CuO/water nanofluids in transition flow through a straight circular duct fitted with helical screw tape inserts", Experimental Thermal and Fluid Science 2012;39:37–44.
Subjects Engineering, Mechanical
Journal Section Research Article
Authors

Orcid: 0000-0002-2808-4432
Author: LAITH JAAFER Jaafer AL-SAADY
Institution: Mechanical Engineering Department University of Technology – Baghdad – IRAQ
Country: Iraq


Author: Fouad A. Saleh
Institution: Mechanical Engineering Department, University of Almustansiriya, Baghdad, Iraq
Country: Iraq


Author: Bassim M. Maajel
Country: Iraq


Dates

Publication Date : August 10, 2017

Bibtex @research article { ijeat296340, journal = {International Journal of Energy Applications and Technologies}, issn = {}, eissn = {2548-060X}, address = {editor.ijeat@gmail.com}, publisher = {İlker ÖRS}, year = {2017}, volume = {4}, pages = {73 - 86}, doi = {}, title = {Experimental Investigation of Laminar Convective Heat Transfer and Pressure Drop of Al2O3/Water Nanofluid in Circular Tube Fitted with Twisted Tape Insert}, key = {cite}, author = {AL-SAADY, LAITH JAAFER and A. Saleh, Fouad and M. Maajel, Bassim} }
APA AL-SAADY, L , A. Saleh, F , M. Maajel, B . (2017). Experimental Investigation of Laminar Convective Heat Transfer and Pressure Drop of Al2O3/Water Nanofluid in Circular Tube Fitted with Twisted Tape Insert. International Journal of Energy Applications and Technologies , 4 (2) , 73-86 . Retrieved from https://dergipark.org.tr/en/pub/ijeat/issue/30402/296340
MLA AL-SAADY, L , A. Saleh, F , M. Maajel, B . "Experimental Investigation of Laminar Convective Heat Transfer and Pressure Drop of Al2O3/Water Nanofluid in Circular Tube Fitted with Twisted Tape Insert". International Journal of Energy Applications and Technologies 4 (2017 ): 73-86 <https://dergipark.org.tr/en/pub/ijeat/issue/30402/296340>
Chicago AL-SAADY, L , A. Saleh, F , M. Maajel, B . "Experimental Investigation of Laminar Convective Heat Transfer and Pressure Drop of Al2O3/Water Nanofluid in Circular Tube Fitted with Twisted Tape Insert". International Journal of Energy Applications and Technologies 4 (2017 ): 73-86
RIS TY - JOUR T1 - Experimental Investigation of Laminar Convective Heat Transfer and Pressure Drop of Al2O3/Water Nanofluid in Circular Tube Fitted with Twisted Tape Insert AU - LAITH JAAFER Jaafer AL-SAADY , Fouad A. Saleh , Bassim M. Maajel Y1 - 2017 PY - 2017 N1 - DO - T2 - International Journal of Energy Applications and Technologies JF - Journal JO - JOR SP - 73 EP - 86 VL - 4 IS - 2 SN - -2548-060X M3 - UR - Y2 - 2020 ER -
EndNote %0 International Journal of Energy Applications and Technologies Experimental Investigation of Laminar Convective Heat Transfer and Pressure Drop of Al2O3/Water Nanofluid in Circular Tube Fitted with Twisted Tape Insert %A LAITH JAAFER Jaafer AL-SAADY , Fouad A. Saleh , Bassim M. Maajel %T Experimental Investigation of Laminar Convective Heat Transfer and Pressure Drop of Al2O3/Water Nanofluid in Circular Tube Fitted with Twisted Tape Insert %D 2017 %J International Journal of Energy Applications and Technologies %P -2548-060X %V 4 %N 2 %R %U
ISNAD AL-SAADY, LAITH JAAFER , A. Saleh, Fouad , M. Maajel, Bassim . "Experimental Investigation of Laminar Convective Heat Transfer and Pressure Drop of Al2O3/Water Nanofluid in Circular Tube Fitted with Twisted Tape Insert". International Journal of Energy Applications and Technologies 4 / 2 (August 2017): 73-86 .
AMA AL-SAADY L , A. Saleh F , M. Maajel B . Experimental Investigation of Laminar Convective Heat Transfer and Pressure Drop of Al2O3/Water Nanofluid in Circular Tube Fitted with Twisted Tape Insert. IJEAT. 2017; 4(2): 73-86.
Vancouver AL-SAADY L , A. Saleh F , M. Maajel B . Experimental Investigation of Laminar Convective Heat Transfer and Pressure Drop of Al2O3/Water Nanofluid in Circular Tube Fitted with Twisted Tape Insert. International Journal of Energy Applications and Technologies. 2017; 4(2): 86-73.