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Experimental Thermal and Fluid Science, ISSN 0894-1777, 09/2014, Volume 57, pp. 65 - 76
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 12/2014, Volume 73, Issue 1, pp. 296 - 306
A numerical model has been developed for turbulent flow of nanofluids in a tube with twisted tape inserts. The model is based on the assumption that van Driest... 
van Driest eddy diffusivity equation | Friction factor | Heat transfer coefficient | SiO2 nanofluid | Numerical model | Twisted tape | TRANSFER ENHANCEMENT | ENERGY & FUELS | CIRCULAR TUBE | ENGINEERING, MECHANICAL | PRESSURE-DROP | MECHANICS | THERMODYNAMICS | SWIRL FLOW
Journal Article
International Journal of Heat and Mass Transfer, ISSN 0017-9310, 05/2012, Volume 55, Issue 11-12, pp. 2761 - 2768
Turbulent convective heat transfer and friction factor characteristics of magnetic Fe O nanofluid flowing through a uniformly heated horizontal circular tube... 
Heat transfer enhancement | Forced convection | Twisted tape insert | nanofluid | Fe | O
Journal Article
Journal of Heat Transfer, ISSN 0022-1481, 01/2016, Volume 138, Issue 1, pp. 011901 - 011901-9
Insertion of twisted tapes in smooth channels is one of the passive methods used for enhancing heat transfer. Flow and associated heat transfer characteristics... 
twist ratios | twisted tape | friction factor | Heat exchanger | heat transfer enhancement | pumping pressure | TUBE | THERMODYNAMICS | heat exchanger | ENGINEERING, MECHANICAL | PRESSURE-DROP | Usage | Numerical analysis | Fluid dynamics | Reynolds number | Computational fluid dynamics | Pressure drop | Fluid flow | Insertion | Tools | Mathematical models | Channels | Heat transfer
Journal Article
Chemical Engineering & Processing: Process Intensification, ISSN 0255-2701, 04/2016, Volume 102, pp. 156 - 168
•Influence of circular ring with twisted tape on heat transfer is presented.•Highest η of the order of 1.61 over smooth tube heat exchanger was... 
Heat transfer enhancement | Twist ratio | Solid rings | Twisted tape | Pitch ratio | ENGINEERING, CHEMICAL | TRANSFER ENHANCEMENT | ROUND TUBE | ENERGY & FUELS | TRANSFER BEHAVIORS | CONICAL-RING | PRESSURE-DROP | Heating | Equipment and supplies
Journal Article
International Journal of Thermal Sciences, ISSN 1290-0729, 11/2019, Volume 145, p. 106051
In this experimental study, hydrothermal characteristics of a U-tube equipped with twisted-tape inserts are investigated experimentally. The twisting effects... 
U-tube | Heat transfer enhancement | Twisted configuration | Twisted-tape insert | Entropy generation | HEAT-TRANSFER ENHANCEMENT | FLUID-FLOW | EVALUATION CRITERIA | CIRCULAR TUBE | ENGINEERING, MECHANICAL | LAMINAR-FLOW | PRESSURE-DROP | NANOFLUID FLOW | THERMODYNAMICS | 2ND LAW | PHYSICAL QUANTITY SYNERGY | FRICTION FACTOR
Journal Article
International Journal of Heat and Mass Transfer, ISSN 0017-9310, 06/2017, Volume 109, pp. 147 - 156
•Mesh cylinder insert can achieve a heat transfer enhancement of 1.8–3.6 times that of smooth tube.•Inserts with P=0.2mm brings the best heat transfer... 
Porous media | Enhancement | Heat transfer | Mesh cylinder inserts | LOUVERED STRIP INSERTS | CIRCULAR TUBE | ENGINEERING, MECHANICAL | LAMINAR-FLOW | FRICTION FACTOR CHARACTERISTICS | MECHANICS | THERMODYNAMICS | HELICAL SCREW-TAPE | VORTEX GENERATOR INSERTS | TWISTED-TAPE INSERTS | CORE-ROD INSERTS | PERFORMANCE ASSESSMENT | PRESSURE-DROP CHARACTERISTICS
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 05/2016, Volume 101, pp. 413 - 421
•A new type of pipe inserts is developed in this paper.•Pipe insert can achieve a high heat transfer rate by changing the velocity profiles and temperature... 
Enhancement | Inserts | Heat transfer | BIOMASS FAST PYROLYSIS | WALL | HEAT-TRANSFER ENHANCEMENT | ENERGY & FUELS | ENGINEERING, MECHANICAL | PRESSURE-DROP | LAMINAR-FLOW | FRICTION FACTOR CHARACTERISTICS | MECHANICS | THERMODYNAMICS | HELICAL SCREW-TAPE | TWISTED-TAPE INSERTS | CORE-ROD INSERTS | EXCHANGERS | Turbulence | Hydraulic measurements
Journal Article
International Communications in Heat and Mass Transfer, ISSN 0735-1933, 08/2012, Volume 39, Issue 7, pp. 953 - 959
Turbulent convective heat transfer characteristics in a helical-ribbed tube fitted with twin twisted tapes have been investigated experimentally. The... 
Swirl flow | Friction factor | Compound heat transfer | Helical-ribbed tube | Twisted tape | LAMINAR | CIRCULAR TUBE | SPIRALLY CORRUGATED TUBES | PRESSURE-DROP | FRICTION FACTOR CHARACTERISTICS | MECHANICS | THERMODYNAMICS | ROUND TUBE | THERMAL PERFORMANCE | ENHANCEMENT | TURBULENT-FLOW | EXCHANGER
Journal Article
Chemical Engineering & Processing: Process Intensification, ISSN 0255-2701, 11/2015, Volume 97, pp. 1 - 11
[Display omitted] •An assessment is carried out on performance of different shapes of inserts.•Cu–water nanofluids are produced by using two-step... 
Heat transfer enhancement | Different inserts | Experimental assessment | Nanofluid | Vortex-generator | STRIP INSERTS | HEAT-TRANSFER ENHANCEMENT | ENERGY & FUELS | CIRCULAR TUBE | PRESSURE-DROP | AL2O3 NANOFLUID | ENGINEERING, CHEMICAL | FRICTION FACTOR CHARACTERISTICS | TRANSFER COEFFICIENT | TURBULENT-FLOW | TWISTED-TAPE INSERTS | CUO/WATER NANOFLUID
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 05/2016, Volume 100, pp. 227 - 236
Journal Article
Chemical Engineering and Processing - Process Intensification, ISSN 0255-2701, 07/2019, Volume 141, p. 107533
Schematic and flow structure in heat exchanger equipped with double V-cut TT. [Display omitted] •Turbulent flow through heat exchangers inserted with double... 
Double V-cut twisted tape | Vortex generation | Friction factor | Performance intensification | Heat exchanger | ENGINEERING, CHEMICAL | TRANSFER ENHANCEMENT | ENERGY & FUELS | IMPROVEMENT | OPTIMIZATION | PIPE | PRESSURE-DROP
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 2011, Volume 52, Issue 1, pp. 250 - 257
The heat transfer a characteristics and friction factor in the horizontal double pipes of flat tubes with full length helical screw element of different twist... 
Helical screw-tape inserts | Circular tubes | Flat tubes | Heat transfer | FRICTION | ENERGY & FUELS | PHYSICS, NUCLEAR | COMBINATION | CIRCULAR TUBE | SPIRALLY CORRUGATED TUBES | MECHANICS | THERMODYNAMICS | TWISTED-TAPE | THERMAL PERFORMANCE | ENHANCEMENT | DECAYING SWIRL FLOW | Augmentation | Fluid dynamics | Images | Friction factor | Helical | Tubes | Spacers
Journal Article
International Journal of Thermal Sciences, ISSN 1290-0729, 12/2016, Volume 110, pp. 137 - 145
In this paper, the heat transfer rate and the pressure drop of metal porous media inserts are analyzed in the single phase. The testing range of the Reynolds... 
Metal porous media | Enhancement | Inserts | FRICTION | STRIP INSERTS | HEAT-TRANSFER ENHANCEMENT | TWISTED TAPE INSERTS | CIRCULAR TUBE | ENGINEERING, MECHANICAL | PRESSURE-DROP | LAMINAR-FLOW | THERMODYNAMICS | TURBULENT-FLOW | GENERATION | EXCHANGERS
Journal Article
International Journal of Heat and Mass Transfer, ISSN 0017-9310, 2009, Volume 52, Issue 7, pp. 1938 - 1944
In this paper, experimentally determined pressure drop and heat transfer characteristics of flow of water in a 75-start spirally grooved tube with twisted tape... 
Compound heat transfer enhancement | Spirally grooved tube | Twisted tape insert | MECHANICS | THERMODYNAMICS | CORRUGATED TUBES | ENGINEERING, MECHANICAL | Atmospheric turbulence | Mechanical engineering | Analysis
Journal Article
International Communications in Heat and Mass Transfer, ISSN 0735-1933, 07/2016, Volume 75, pp. 154 - 161
An investigation is made experimentally with an attempt to enhance the rate of heat transfer of Al2O3 nanofluid in a U-tube heat exchanger with twisted tape... 
Heat transfer enhancement | Friction factor | Twisted tape inserts | Nanofluid | Heat exchanger | Thermal performance | MECHANICS | THERMODYNAMICS | TRANSFER RATES | FLOW | EXCHANGER
Journal Article
International Communications in Heat and Mass Transfer, ISSN 0735-1933, 07/2018, Volume 95, pp. 53 - 62
The convective heat transfer, friction factor, effectiveness and number of transfer units (NTU) of Fe3O4/water nanofluids flow in a double pipe U-bend heat... 
Friction factor | Twisted tape inserts | Effectiveness | Enhancement | Heat transfer | TUBE | PERFORMANCE | PRESSURE-DROP | MECHANICS | THERMODYNAMICS | SWIRL FLOW | AL2O3 | WATER
Journal Article
International Journal of Heat and Mass Transfer, ISSN 0017-9310, 2007, Volume 50, Issue 15, pp. 3176 - 3189
This work presents an extensive experimental study on three wire coils of different pitch inserted in a smooth tube in laminar and transition regimes.... 
Heat transfer enhancement | Wire coil inserts | Turbulence promoters | Heat exchangers | PRESSURE-DROP CORRELATIONS | MECHANICS | AUGMENTATION | THERMODYNAMICS | turbulence promoters | heat transfer enhancement | ISOTHERMAL TUBES | heat exchangers | TWISTED-TAPE INSERTS | wire coil inserts | MIXED CONVECTION | ENGINEERING, MECHANICAL
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 11/2016, Volume 127, pp. 140 - 148
[Display omitted] •A novel wavy-tape insert for pipe heat transfer augmentation is proposed.•3D full-scale CFD model for the pipe with wavy-tape insert is... 
Swirl flow | Wavy-tape insert | Computational fluid dynamics | Heat transfer augmentation | THERMOHYDRAULIC CHARACTERISTICS | TRANSFER ENHANCEMENT | ENERGY & FUELS | PHYSICS, NUCLEAR | CIRCULAR TUBE | SOLAR COLLECTOR | LAMINAR-FLOW | MECHANICS | THERMODYNAMICS | TWISTED TAPE | PRESSURE-DROP CHARACTERISTICS | DECAYING SWIRL FLOW | NUMERICAL-SIMULATION | FRICTION FACTOR
Journal Article