Effect of Passive Turbulatorson Heat Transfer Enhancement Through a Tube
Keywords:
Heat transfer enhancement, pressure drop, turbulent flow, twisted tape
Abstract
Swirl flow devices cause swirl flow or secondary flow in the fluid. A variety of devices can be employed to cause this effect which includes tube inserts, altered tube flow arrangements, and duct geometry modifications. Dimples, ribs, helically twisted tubes are examples of duct geometry modifications. Tube inserts include twisted-tape inserts, helical strip or cored screwtype inserts and wire coils. Periodic tangential fluid injection is type of altered tube flow arrangement. Among the swirl flow devices, twisted- tape inserts had been very popular owing to their better thermal hydraulic performance in single phase, boiling and condensation forced convection, as well as design and application issues. Twisted Tape Twisted tape inserts increases the heat transfer coefficients with relatively small increase in the pressure drop.A CFD investigation on enhancement of turbulent flow heat transfer with twisted tape inserts in a horizontal tube under forced convection with air flowing inside is carried out using ANSYS FLUNT. The variations of heat transfer coefficients; Nusselt number in the horizontal tube fitted with twisted tape is studied. CFD solutions are obtained using commercial software ANSYS FLUENT v12.1. The working fluid in all cases is air.
References
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Y.Wang, M.Hou, X.Deng, L.Li, C,Huang, H.Huang and G.Zhang, C.H.Chen and W.Huang, Configuration Optimization of Regularly Spaced Short-Length Twisted Tape in a Circular Tube to Enhance Turbulent Heat Transfer using CFD modeling, App. Therm. Eng. (2011), 1141-1149.
Y.Z.Cui and M.C.Tian, Three-Dimensional Numerical Simulation of Thermal-Hydraulic Performance of a Circular Tube with Edgefold-Twisted Tape Inserts, J. Hydrodynamics, Ser. B(2010), 662-670.
S.Eiamsa-Ard, K.Wongcharee and S.Sripattanapipat, 3-D Numerical Simulation of Swirling Flow and Convective Heat Transfer in a Circular Tube Induced by Means of Loose-Fit Twisted Tape, Int. Comm. Heat and Mass Transfer, (2009), 947-955.
M.Rahimi, S.R.Shabanian and A.A.Alsairafi, Experimental and CFD Studies on Heat Transfer and Friction Factor Characteristics of a Tube Equipped with Modified Twisted Tape Inserts, ChemEng and Proc: Proc Intensification, (2009), 762-770.
Yangjun Wang, MeilingHou, Xianhe Deng, Li Li, Cheng Huang, Haiying Huang, Gangfeng Zhang, Changhong Chen and Weijun Huang, Configuration optimization of regularly spaced short-length twisted tape in a circular tube to enhance turbulent heat transfer using CFD modeling , Applied Thermal Engineering, 31(2011), 1141-1149.
Anil Singh Yadav, Effect of half-length twisted tape turbulator on heat transfer & pressure drop characteristics inside a double pipe U-bend heat exchanger, Jordan journal of Mech. & Industrial Engg., 3(1)(2009), 17-22.
S.Eiamsa-ard, ChinarukThianpong, PetpicesEiamsa-ard and PongjetPromvonge, Thermal characteristics in a heat exchanger tube fitted with dual twisted tape elements in tandem, International Communications in Heat and Mass Transfer, 37(2010), 39-46.
K.Hataa and S.Masuzakib, Twisted-tape-induced swirl flow heat transfer and pressure drop in a short circular tube under velocities controlled, Nuclear Engineering and Design, xxx(2010), NED-5980.
S.Eiamsa-ard, Study on thermal and fluid flow characteristics in turbulent channel flows with multiple twisted tape vortex generators, International Communications in Heat and Mass Transfer, 31(2010), 644-651.
C.B.Sobhan, K.T.Mohammed kutty, M.Hannan and P.Krishtaiah, Experimental investigations on a 1-2 heat exchanger with wire-wound tubes, warme- und Stoffubertragung, 29(3)(1994), 211-217.
A.W.Date, Prediction of fully developed flow in a tube containing a twisted tape, International Journal Heat Mass Transfer, 17(1974), 845-859.
A.W.Date and S.K.Saha, Numerical prediction of laminar flow and heat transfer in a tube fitted with regularly spaced twisted-tape elements, International Journal Heat Fluid Flow, 11(1990), 346-354.
S.ChoudhariShashank and S.G.Taji, Experimental Studies on Effect of Coil Wire Insert On Heat Transfer Enhancement and Friction Factor of Double Pipe Heat Exchanger, International Journal of Computational Engineering Research, 3(5)(2013), 32-39.
S.Ray and A.W.Date, Friction and Heat Transfer Characteristics of Flow through Square Duct with Twisted Tape Insert, International Journal Heat and Mass Transfer, 46(2003), 889-902.
C.Thianpong, K.Yongsiri, K.Nanan and S.Eiamsa-ard, Thermal performance evaluation of heat exchangers fitted with twisted-ring turbulators, International Communications in Heat and Mass Transfer, 39(4)(2012), 861-868.
A.Kumar and B.N.Prasad, Investigation of twisted tape inserted solar water heaters-heat transfer, friction factor and thermal performance results, Renewable Energy Journal, 19(2000), 379-398.
S.P.Sukhatme, U.N.Gaitonde, C.S.Shidore and R.S.Kuncolienkar, Forced convection heat transfer to visousliqiuid in laminar flow in a tube with a twisted tape, Proceding Ninth Natl. Heat Mass Transfer Conference, (Paper no. HMT 7-87) Indian Institute of Science, Bangalore, India, Part B(1987), 1-7.
M.R.Salimpour and S.Myarmohammadi, Effect of twisted tape inserts on pressure drop during R-404A condensation, International Journal of Refrigeration, 35(11)(2012), 263-269.
P.Seemawute and S.Eiamsa-Ard, Visualization of Flow and Heat Transfer in Tube with Twisted Tape Consisting of Alternate Axis , 4th International Conference on Computer Modeling and Simulation, 22(2012), 36-40.
H.A.Mohammed, S.Tabatabaeikia and K.M.Munisamy, Heat transfer enhancement using nano fluids in a circular tube fitted with inserts, Journal of Computational and Theoretical Nano science, 11(3)(2014), 655-666.
Y.Wang, M.Hou, X.Deng, L.Li, C,Huang, H.Huang and G.Zhang, C.H.Chen and W.Huang, Configuration Optimization of Regularly Spaced Short-Length Twisted Tape in a Circular Tube to Enhance Turbulent Heat Transfer using CFD modeling, App. Therm. Eng. (2011), 1141-1149.
Y.Z.Cui and M.C.Tian, Three-Dimensional Numerical Simulation of Thermal-Hydraulic Performance of a Circular Tube with Edgefold-Twisted Tape Inserts, J. Hydrodynamics, Ser. B(2010), 662-670.
S.Eiamsa-Ard, K.Wongcharee and S.Sripattanapipat, 3-D Numerical Simulation of Swirling Flow and Convective Heat Transfer in a Circular Tube Induced by Means of Loose-Fit Twisted Tape, Int. Comm. Heat and Mass Transfer, (2009), 947-955.
M.Rahimi, S.R.Shabanian and A.A.Alsairafi, Experimental and CFD Studies on Heat Transfer and Friction Factor Characteristics of a Tube Equipped with Modified Twisted Tape Inserts, ChemEng and Proc: Proc Intensification, (2009), 762-770.
Yangjun Wang, MeilingHou, Xianhe Deng, Li Li, Cheng Huang, Haiying Huang, Gangfeng Zhang, Changhong Chen and Weijun Huang, Configuration optimization of regularly spaced short-length twisted tape in a circular tube to enhance turbulent heat transfer using CFD modeling , Applied Thermal Engineering, 31(2011), 1141-1149.
Anil Singh Yadav, Effect of half-length twisted tape turbulator on heat transfer & pressure drop characteristics inside a double pipe U-bend heat exchanger, Jordan journal of Mech. & Industrial Engg., 3(1)(2009), 17-22.
S.Eiamsa-ard, ChinarukThianpong, PetpicesEiamsa-ard and PongjetPromvonge, Thermal characteristics in a heat exchanger tube fitted with dual twisted tape elements in tandem, International Communications in Heat and Mass Transfer, 37(2010), 39-46.
K.Hataa and S.Masuzakib, Twisted-tape-induced swirl flow heat transfer and pressure drop in a short circular tube under velocities controlled, Nuclear Engineering and Design, xxx(2010), NED-5980.
S.Eiamsa-ard, Study on thermal and fluid flow characteristics in turbulent channel flows with multiple twisted tape vortex generators, International Communications in Heat and Mass Transfer, 31(2010), 644-651.
C.B.Sobhan, K.T.Mohammed kutty, M.Hannan and P.Krishtaiah, Experimental investigations on a 1-2 heat exchanger with wire-wound tubes, warme- und Stoffubertragung, 29(3)(1994), 211-217.
A.W.Date, Prediction of fully developed flow in a tube containing a twisted tape, International Journal Heat Mass Transfer, 17(1974), 845-859.
A.W.Date and S.K.Saha, Numerical prediction of laminar flow and heat transfer in a tube fitted with regularly spaced twisted-tape elements, International Journal Heat Fluid Flow, 11(1990), 346-354.
S.ChoudhariShashank and S.G.Taji, Experimental Studies on Effect of Coil Wire Insert On Heat Transfer Enhancement and Friction Factor of Double Pipe Heat Exchanger, International Journal of Computational Engineering Research, 3(5)(2013), 32-39.
S.Ray and A.W.Date, Friction and Heat Transfer Characteristics of Flow through Square Duct with Twisted Tape Insert, International Journal Heat and Mass Transfer, 46(2003), 889-902.
C.Thianpong, K.Yongsiri, K.Nanan and S.Eiamsa-ard, Thermal performance evaluation of heat exchangers fitted with twisted-ring turbulators, International Communications in Heat and Mass Transfer, 39(4)(2012), 861-868.
A.Kumar and B.N.Prasad, Investigation of twisted tape inserted solar water heaters-heat transfer, friction factor and thermal performance results, Renewable Energy Journal, 19(2000), 379-398.
S.P.Sukhatme, U.N.Gaitonde, C.S.Shidore and R.S.Kuncolienkar, Forced convection heat transfer to visousliqiuid in laminar flow in a tube with a twisted tape, Proceding Ninth Natl. Heat Mass Transfer Conference, (Paper no. HMT 7-87) Indian Institute of Science, Bangalore, India, Part B(1987), 1-7.
M.R.Salimpour and S.Myarmohammadi, Effect of twisted tape inserts on pressure drop during R-404A condensation, International Journal of Refrigeration, 35(11)(2012), 263-269.
P.Seemawute and S.Eiamsa-Ard, Visualization of Flow and Heat Transfer in Tube with Twisted Tape Consisting of Alternate Axis , 4th International Conference on Computer Modeling and Simulation, 22(2012), 36-40.
H.A.Mohammed, S.Tabatabaeikia and K.M.Munisamy, Heat transfer enhancement using nano fluids in a circular tube fitted with inserts, Journal of Computational and Theoretical Nano science, 11(3)(2014), 655-666.
How to Cite
Rajesh Gyaniram Brahmankar, & Yogesh Tembhurne. (2015). Effect of Passive Turbulatorson Heat Transfer Enhancement Through a Tube. International Journal of Current Research in Science and Technology, 1(8), 25-30. Retrieved from https://crst.gfer.org/index.php/crst/article/view/39
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