176

REFERENCES

[1] Ahmet Tandiroglu, ―Effect of flow geometry parameters on

transient entropy generation for turbulent flow in circular tube

with baffle inserts‖, Energy Conversion and Management,

Vol. 48, 2007, pp. 898–906

[2] Akhavan-Behabadi M.A., Ravi Kumar, Mohammadpour A. and

Jamali-Asthiani M., ―Effect of twisted tape insert on heat

transfer and pressure drop in horizontal evaporators for the flow

of R-134a‖, International Journal of Refrigeration, Vol. 32,

Issue 5, August 2009, pp. 922-930

[3] Alberto Garcia, Juan P. Solano, Pedro G. Vicente and Antonio

Viedma, ―Enhancement of laminar and transitional flow heat

transfer in tubes by means of wire coil inserts‖, International

Journal of Heat and Mass Transfer, Vol. 50, 2000,

pp. 3176–3189.

[4] Al-Sarkhi A. and Abu-Nada E., ―Characteristics of forced

convection heat transfer in vertical internally finned tube‖,

International Communications in Heat and Mass Transfer, Vol.

32, 2005, pp. 557–564.

[5] Andreas Hantsch, Ulrich Gross and Andrew R. Martin, "Heat

Transfer Augmentation: Radiative-Convective Heat Transfer in a

Tube with Fiber Array Inserts", Journal of Heat Transfer,

February 2010, Vol. 132, 023505-1 to 6.

177

[6] Anil Singh Yadav, ―Experimental investigation of heat transfer

performance of double pipe u-bend heat exchanger using full

length twisted tape‖, International Journal of Applied

Engineering Research, ISSN 0973-4562, Vol. 3, number 3,

2008, pp. 399–407

[7] Bergles, A. E., Brown, G. S., Jr., and Snider, W. D., "Heat

Transfer Performance of Internally Finned Tubes," ASME Paper

No. 71-HT-31, presented at the 12th National Heat Transfer

Conference, Tulsa, August 1971.

[8] Bergles, A. E., Lee, R. A., and Mikic, B. B., "Heat Transfer in

Rough Tubes with Tape-Generated Swirl Flow," Journal of Heat

Transfer, Vol. 91, 1969, pp. 443-445.

[9] Bergles, A. E., Nirmalan, V., and Ravigururajan, T. S.,

―Investigation of Turbulators for Fire Tube Boilers," G. H.

Junkhan, Journal of Heat Transfer, Vol. 107, 1985, pp. 354-

360.

[10] Bergles.A.E., ―Techniques to Augment Heat Transfer‖, Hand

book of Heat Transfer Applications., Ed. Roshenow W.M.et al.,

Chapter 3, Mc.Graw Hill, New York 1985.

[11] Betul Ayhan Sarac and Tulin Bali, ―An experimental study on

heat transfer and pressure drop characteristics of decaying swirl

flow through a circular pipe with a vortex generator‖,

Experimental Thermal and Fluid Science, Vol. 32, March 2007,

pp. 158-165.

178

[12] Bharadwa .P., A.D. Khondge A.D and Date. A.W, ―Heat

transfer and pressure drop in a spirally grooved tube with

twisted tape insert‖, International Journal of Heat and Mass

Transfer, Vol. 52 , 2009, pp.1938–1944

[13] Bogdan I. Pavel and Abdulmajeed A. Mohamad, ―Experimental

Investigation of the Potential of Metallic Porous Inserts in

Enhancing Forced Convective Heat Transfer‖, ASME Journal of

Heat Transfer, August 2004, Vol. 126, pp. 540-545

[14] Bogdan I. Pavel and Abdulmajeed A. Mohamad, ―An

experimental and numerical study on heat transfer

enhancement for gas heat exchangers fitted with porous media‖,

International Journal of Heat and Mass Transfer, Vol. 47, 2004,

pp. 4939–4952

[15] Buchlin JM., ―Convective heat transfer in a channel with

perforated ribs‖, International Journal of Thermal Science,

2002; Vol. 41: pp. 332–40.

[16] Chang S.W, Jan Y.J. and Liou J.S, ―Turbulent heat transfer

and pressure drop in tube fitted with serrated twisted tape‖,

International Journal of Thermal Science, 2007; Vol.46:

pp. 506–18.

[17] Chang, S. W., ―Forced heat convection in a reciprocating duct

fitted with 45 degree crossed ribs‖, Int. J. of Thermal Science,

2002, Vol. 41, pp. 229–240.

[18] Cheng L., Luan T., Du W. and Xu M., ‖Heat transfer

enhancement by flow-induced vibration in heat exchangers‖,

179

International Journal of Heat and Mass Transfer, Vol. 52, 2009,

pp. 1053–1057

[19] Conte I. and Peng X.F., ―Numerical and experimental

investigations of heat transfer performance of rectangular coil

heat exchangers‖, Applied Thermal Engineering, Vol. 29, 2009,

pp. 1799–1808

[20] Dae Hun Kim, Yong Ho Lee and Soon Heung Chang, ―Effects of

mechanical vibration on critical heat flux in vertical annulus

tube‖, Nuclear Engineering and Design, Vol. 237, 2007,

pp. 982–987.

[21] Dean Burfoot and Peter Rice, ―Turbulent forced convection

heat transfer enhancement using pall rings in a circular duct‖,

Ind. Eng. Chem. Process Des. Dev., 1982, 21 (4), pp. 646–650

[22] Devarakonda Angirasa, ―Experimental Investigation of Forced

Convection Heat Transfer Augmentation with Metallic Porous

Materials‖, International Journal of Heat and Mass Transfer,

May 2001, pp. 919-922

[23] Dewan, ―Review of passive heat transfer augmentation

techniques‖, A04804 IMechE 2004 Proc. Instn Mech. Engrs

Vol. 218 Part A: J. Power and Energy

[24] Eid E. I. and Gomaa M. E., ―Influence of vibration in

enhancement of heat transfer rates from thin plannar fins‖,

Heat and Mass Transfer (2009), 45:713–726,

DOI 10.1007/s00231-008-0470-9

180

[25] Eiamsa-ard, Nivesrangsan and Chokphoemphun. Promvonge,

―Influence of combined non-uniform wire coil and twisted tape

inserts on thermal performance characteristics‖, International

Communications in Heat and Mass Transfer, Vol. 37, 2010,

pp. 850–856

[26] Esmaeilzadeh, E., A. Alamgholilou, H. Mirzaie and M. Ashna,

―Heat transfer enhancement in the presence of an electric field

at low and intermediate Reynolds numbers.‖ Asian J. Scientific

Res., 1: 2008, pp 562-578.

[27] Garcia A., Solano J.P., Vicente P.G and Viedma A., ―Flow

pattern assessment in tubes with wire coil inserts in laminar

and transition regimes‖, International Journal of Heat and Fluid

Flow, Vol. 28, 2007, pp. 516-525.

[28] Garcia, Vicente and Viedma, ―Experimental study of heat

transfer enhancement with wire coil inserts in laminar-

transition-turbulent Regimes at different prandtl numbers‖,

International Journal of Heat and Mass Transfer, Vol. 48, 2005,

pp. 4640–4651

[29] Gul .H. and Evin.D. ―Heat transfer enhancement in circular

tubes using helical swirl generator insert at the entrance‖,

International Journal of Thermal Sciences, Vol. 46, 2007,

pp.1297–1303

[30] Guo Z. and Dhir V. K., ―Single- and two-phase heat transfer in

tangential injection-induced swirl flow‖, International Journal of

181

Heat and fluid flow and Fluid Flow Vol. 10, Issue 3, September

1989, pp. 203-210

[31] Hong, S. W., and Bergles, A. E., "Augmentation of Laminar

Flow Heat Transfer in Tubes by Means of Twisted-Tape Inserts,"

Journal of Heat Transfer, Vol. 98, 1975.

[32] Hong, S. W., and Bergles, A. E., "Laminar Flow Heat Transfer

in the Entrance Region of Semi-Circular Tubes with Uniform

Heat Flux," International Journal of Heat Mass Transfer, Vol. 7,

1976, pp. 123-124.

[33] Iwona Zio, kowska Mirosaw, Dolata Dariusz and Zio kowski,

―Heat and momentum transfer in fluids heated in tubes with

turbulence generators at moderate Prandtl and Reynolds

Numbers‖, International Journal of Heat and Mass Transfer,

Vol. 42, 1999, pp. 613-627

[34] Jafari Nasr M.R., Habibi Khalaj A. and Mozaffari S.H., "

Modeling of heat transfer enhancement by wire coil inserts

using artificial neural network analysis", Applied Thermal

Engineering, Vol. 30, 2010, pp.143–151

[35] Jaisankar S., Radhakrishnan T.K., Sheeba K.N. and Suresh

S., ―Experimental Studies on Heat Transfer and Friction Factor

Characteristics of Thermosyphon Solar Water Heater System

Fitted with Left-Right Twisted Tapes‖, International Journal of

Applied Engineering Research ISSN 0973-4562 Vol. 3,

Number 8, 2008, pp. 1091–1103.

182

[36] Jayakumar J.S., Mahajani, Mandal J.C.,Vijayan and Rohidas

Bhoi, ―Experimental and CFD estimation of heat transfer in

helically coiled heat exchangers‖, Chemical Engineering

Research and Design, Vol. 86, 2008, pp. 221-232

[37] Jolly A.J., ―COHEX: a computer model for solving the thermal

energy exchange in an ultra high temperature heat exchanger.

Part A: computational theory‖, Applied Thermal Engineering,

Vol. 18, 1998, pp. 1263-1276

[38] Jordan S.A, ―The turbulent character and pressure loss

produced by symmetric ribs in a circular duct‖, International

Journal of Heat Fluid Flow, 2003; 24: pp. 795–806.

[39] Jung-Yang San and Wen-Chieh Huang, ―Heat transfer

enhancement of transverse ribs in circular tubes with

consideration of entrance effect‖, International Journal of Heat

and Mass Transfer, Vol. 49 ,2006, pp. 2965–2971

[40] Junkhan G. H., Bergles A. E., Nirmalan, V and Ravigururajan,

T. S., "Investigation of Turbulators for Fire Tube Boilers," ASME

Paper No.83-HT-44, presented at the 21st National Heat

Transfer Conference, Seattle, July 1983.

[41] Kenan Yakut and Bayram Sahin, ―The effects of vortex

characteristics on performance of coiled wire turbulators used

for heat transfer augmentation‖, Applied Thermal Engineering,

Vol. 24, 2004, pp.2427–2438

[42] Kenan Yakut and Bayram Sahin, ―Flow-induced vibration

analysis of conical rings used for heat transfer enhancement in

183

heat exchangers‖, Applied Energy, Vol. 78, Issue 3, July 2004,

pp.273-288

[43] Kenan Yakut, Bayram Sahin, Cafer Celik, Nihal Alemdaroglu

and Aslihan Kurnuc, ―Effects of tapes with double-sided delta-

winglets on heat and vortex characteristics‖, Applied Energy,

Vol. 80, 2005, pp. 77–95.

[44] Kevat M.D., Patel A.R. and Prabhakaran P., ―Heat transfer

augmentation in airflow passing through a swirl path over a

combustion chamber‖, Applied Thermal Engineering, Vol. 25,

2005, pp. 2591–2603.

[45] Kothandaraman C.P and Subramanyam S., ―Heat and mass

transfer data book‖, Wiley Eastern Limited, 2008.

[46] Leonard D. Tijing, Bock Choon Pak, Byung Joon Baek, Dong

Hwan Lee, ―A study on heat transfer enhancement using

straight and twisted internal fin inserts‖, International

Communications in Heat and Mass Transfer, Vol. 33, 2006,

pp. 719–726

[47] Li Xiao-wei, Yan Huan, Meng Ji-an and Li Zhi-xin,

―Visualization of longitudinal vortex flow in an enhanced heat

transfer tube‖, Experimental Thermal and Fluid Science, Vol.

31, 2007, pp. 601–608.

[48] Liao. Q and M.D. Xin ―Augmentation of convective heat

transfer inside tubes with three-dimensional internal extended

surfaces and twisted-tape inserts‖, Chemical Engineering

Journal, Vol. 78, 2000, pp. 95-105.

184

[49] Lihua Guo, Jiangping Chen, Feng Qin, Zhijiu Chen and

Wenfeng Zhang, ―Empirical correlations for lubricant side heat

transfer and friction characteristics of the HPD type steel offset

strip fins‖, International Communications in Heat and Mass

Transfer, Vol. 35, 2008, pp 251–262

[50] Lopina, R. F., and Bergles, A. E., "Heat Transfer and Pressure

Drop in Tape Generated Swirl Flow of Single-Phase Water,"

Journal of Heat Transfer, Vol. 91, 1969, pp. 434-442.

[51] Louis Gosselin and Alexandre K. Da Silva, ―When to fill a tube

with thermal enhancers and when to leave it empty‖, Energy

Conversion and Management, Vol. 48 , 2007, pp. 2356–2364

[52] Lu B and Jiang PX., ―Experimental and numerical

investigation of convection heat transfer in a rectangular

channel with angled ribs‖, Exp Therm Fluid Sci 2006;

Vol. 30: pp. 513–521.

[53] Manglik R.M. and Bergles A.E., Heat Transfer and pressure

drop correlations for twisted-tape inserts in isothermal tubes:

Part II––Transition and turbulent flows, ASME J.Heat Transfer,

Vol. 115, 1993, pp. 892–896.

[54] Manglik, R. M., and Bergles, A. E., "Heat Transfer and

Pressure Drop Correlations for Twisted-Tape Inserts in

Isothermal Tubes: Part I, Laminar Flows," Journal of Heat

Transfer, Vol. 115, 1993, pp. 881-889.

[55] Manglik, R. M., and Bergles, A. E., "Heat Transfer and

Pressure Drop Correlations for Twisted-Tape Inserts in

185

Isothermal Tubes: Part II, Transition and Turbulent Flows,"

Journal of Heat Transfer, Vol. 115, 1992, pp. 890-896.

[56] Manglik, R. M., and Bergles, A. E., ―Influence of Twisted Tape

Generated Swirl on Single-Phase Heat Transfer," Presented at

First ISHMT-ASME Heat and Mass Transfer Conference and

Twelfth National Heat and Mass Transfer Conference, Bombay,

India, January 1994.

[57] Marner, W. J., and Bergles, A. E., "Augmentation of Highly

Viscous Laminar Heat Transfer Inside Tubes with Constant Wall

Temperature," Experimental Thermal and Fluid Science, Vol. 2,

1989, pp. 252-267.

[58] Martemianov S. and Okulov V.L., ―On heat transfer

enhancement in swirl pipe flows‖, International Journal of Heat

and Mass Transfer, Vol. 47, 2004, pp. 2379–2393.

[59] Masoud Rahimi, ―Experimental and CFD studies on heat

transfer and friction factor characteristics of a tube equipped

with modified twisted tape inserts‖, Chemical Engineering and

Processing, Vol. 48, 2009, pp. 762–770

[60] Megerlin, F. E., Murphy, R. W., and Bergles, A. E.,

―Augmentation of Heat Transfer in Tubes by Use of Mesh and

Brush Inserts", ASME Paper 73-HT-24, Journal of Heat

Transfer, Vol. 96, 1974, pp. 145-151.

[61] Mehmet Sozen and Kuzay, ―Enhanced heat transfer in round

tubes with porous inserts‖, International Journal of Heat and

Fluid Flow, April 1996, Vol. 17, pp. 124-129.

186

[62] Mehmet Yilmaz, Omer Comakli, Sinan Yapici and O. Nuri Sara,

―Heat transfer and friction characteristics in decaying swirl flow

generated by different radial guide vane swirl generators‖,

Energy Conversion and Management, 44, 2003, pp. 283–300.

[63] Michael J. Lawson and Karen A. Thole, ―Heat transfer

augmentation along the tube wall of a louvered fin heat

exchanger using practical delta winglets‖, International Journal

of Heat and Mass Transfer, Vol. 51, 2008, pp. 2346–2360.

[64] Moawed M.A., Ibrahim E. and Gomaa A., ―Thermal

performance of a pipe in pipe heat exchanger with sinusoidal

inner pipe‖, Energy Conversion and Management, Vol. 49, 2008,

pp. 678–686.

[65] Murugesan P., Mayilsamy K., Suresh S. and Srinivasan P.S.S.,

"Heat transfer and pressure drop Characteristics of turbulent

flow in a tube fitted with trapezoidal-cut twisted tape insert",

International Journal Of Academic Research, Vol. 1. No. 1.,

September 2009, pp.123-128

[66] Nagarajan P.K. and Sivashanmugam P., "CFD Simulation of

Heat Transfer Augmentation in a Circular Tube Fitted with

Right-left Helical Inserts with Spacer", International Journal of

Chemical Engineering Research, Vol. 1, No. 1, 2009, pp. 1–11

[67] Nakabe K., Suzuki K., Inaoka K., Higashio A., Acton J.S. and

Chen .W. , ―Generation of longitudinal vortices in internal flows

with an inclined impinging jet and enhancement of target plate

187

heat transfer‖, International Journal of Heat and Fluid Flow 19,

1998, pp. 573-581.

[68] Naphon P., ―Effect of coil-wire insert on heat transfer

enhancement and pressure drop of horizontal concentric tubes‖,

Int. Communications in Heat Mass Transfer, 2006; Vol. 33:

pp. 753–63.

[69] Nasiruddin and Kamran Siddiqui M.H, ―Heat transfer

augmentation in a heat exchanger tube using a baffle‖,

International Journal of Heat and Fluid Flow 28, 2007, 318–328

[70] Necati Ozisik, ―Heat transfer, A basic Approach‖, Mc.Graw-Hill

book company, 2007.

[71] Ni X., Mackley M. R., Harvey A. P., Stonestreet P., Baird M. H.

I. and Rama Rao N. V., ―Mixing through oscillations and

pulsations - A Guide to achieving process enhancements in the

Chemical and process industries‖, Trans I Chem E, Vol. 81,

Part A, March 2003.

[72] Nirmalan, V., Junkhan, G. H., and Bergles, A. E.,

"Investigation of the Effect of Turbulence-Producing Inserts on

Heat Transfer in Tubes with Application to Fire-Tube Boilers,"

Presented at ASHRAE Winter Meeting, San Francisco, January,

ASHRAE Transactions, 1986, Vol. 92, Part 1B, pp. 791-809.

[73] Promvonge P. and Eiamsa-ard, Heat transfer behaviors in a

tube with combined conical-ring and twisted-tape insert,

International Communications in Heat and Mass Transfer,

Vol. 34, 2007, pp. 849–859.

188

[74] Pahlavanzadeh, Jafari Nasr and Mozaffari, ―Experimental

study of thermo-hydraulic and fouling performance of enhanced

heat exchangers‖, International Communications in Heat and

Mass transfer, Vol. 34, May 2007, pp. 907-916.

[75] Paisarn Naphon and Jamnean Suwagrai, ―Effect of curvature

ratios on the heat transfer and flow developments in the

horizontal spirally coiled tubes‖, International Journal of Heat

and Mass Transfer, Vol. 50, 2007, pp. 444–451.

[76] Paisarn Naphon, ―Effect of coil-wire insert on heat transfer

enhancement and pressure drop of the horizontal concentric

tubes‖, International Communications in Heat and Mass

Transfer, Vol. 33, 2006, pp. 753–763

[77] Paisarn Naphon, ―Heat transfer and pressure drop in the

horizontal double pipes with and without twisted tape insert‖,

International Communications in Heat and Mass Transfer,

Vol. 33, 2006, pp. 166–175

[78] Paisarn Naphon, Manachai Nuchjapo and Jutarat Kurujareon,

―Tube side heat transfer coefficient and friction factor

characteristics of horizontal tubes with helical rib‖, Energy

Conversion and Management, Vol. 47, 2006, pp. 3031-3044

[79] Patil A. G., "Laminar Flow Heat Transfer and Pressure Drop

Characteristics of Power-Law Fluids Inside Tubes With Varying

Width Twisted Tape Inserts", ASME Journal of Heat Transfer,

Vol. 122, February 2000, pp. 143-149

189

[80] Pavani S. Reddy, ―A CFD analysis of enhancement of heat

transfer in a horizontal circular tube using mesh inserts in

turbulent region, Master Thesis, JNTUHCEH (2008), Hyderabad.

[81] Pedro G. Vicente, Alberto Garcia and Antonio Viedma,

― Experimental study of mixed convection and pressure drop in

helically dimpled tubes for laminar and transition flow‖,

International Journal of Heat and Mass Transfer 45, 2002,

pp. 5091–5105

[82] Pei-Xue Jiang, Meng Li, Tian-Jian Lu, Lei Yu and Ze-Pei Ren,

―Experimental research on convection heat transfer in sintered

porous plate channels‖, International Journal of Heat and Mass

Transfer, Vol. 47, 2004, pp. 2085–2096.

[83] Pesteei S.M., Subbarao P.M.V. and Agarwal R.S.,

―Experimental study of the effect of winglet location on heat

transfer enhancement and pressure drop in heat exchangers‖,

Applied Thermal Engineering, Vol. 25, 2005, pp. 1684–1696

[84] Pongjet Promvonge, ―Thermal enhancement in a round tube

with snail entry and coiled-wire inserts‖, International

Communications in Heat and Mass Transfer, Vol. 35, 2008,

pp. 623–629

[85] Prabhat Kumar Gupta, Kusha P.K and Ashesh Tiwarib,

―Experimental research on heat transfer coefficients for

cryogenic cross-counter-flow coiled finned-tube heat

exchangers‖, International Journal of Refrigeration, Vol. 32,

2009, pp. 960 - 972

190

[86] Promvonge and Eiamsa-ard, ―Heat transfer augmentation in a

circular tube using V-nozzle turbulator inserts and snail entry‖,

Experimental Thermal and Fluid Science 32, 2007, pp.332-340.

[87] Promvonge P., ―Thermal performance in circular tube fitted

with coiled square wires‖, Energy Conversion and Management,

Vol. 49, 2008, pp. 980–987

[88] Promvonge.P and Eiamsa-ard .S, ― Heat transfer in a circular

tube fitted with free-spacing snail entry and conical-nozzle

turbulators‖, International Communications in Heat and Mass

Transfer, Vol. 34, 2007, pp. 838–848

[89] Rabas, T. J., Bergles, A. E., and Moen, D. L., "Heat Transfer

and Pressure Drop Correlations for Spirally Grooved (Rope)

Tubes Used in Surface Condensers and Multistage Flash

Evaporators," ASME Proceedings of the 1988 National Heat

Transfer Conference, Vol. 1, HTD- Vol. 96, ASME, New York,

1988, pp. 693-704.

[90] Rainieri S. and Pagliarini G., ―Convective heat transfer to

temperature dependent property fluids in the entry region of

corrugated tubes‖, International Journal of Heat and Mass

Transfer, Vol. 45, 2002, pp. 4525–4536.

[91] Rahai, Wong, ―Velocity field characteristics of turbulent jets

from round tubes with coil inserts‖, Appl. Therm. Eng., Vol. 22,

2002, pp. 1037– 1045.

[92] Roshenow W.M. Hartnett James P. ―Hand book of Heat

Transfer‖, 1973, McGraw-Hill Book Company.

191

[93] Saha S. K. and Dutta A. "Thermo hydraulic Study of Laminar

Swirl Flow Through a Circular Tube Fitted With Twisted Tapes",

ASME Journal of Heat Transfer, Vol. 123, June 2001,

pp.417-427

[94] Saha S. K. and Langille P. "Heat Transfer and Pressure Drop

Characteristics of Laminar Flow Through a Circular Tube With

Longitudinal Strip Inserts Under Uniform Wall Heat Flux",

Journal of Heat Transfer ASME June 2002, Vol. 124

[95] Saha S. K. and Mallick D. N., "Heat Transfer and Pressure

Drop Characteristics of Laminar Flow in Rectangular and

Square Plain Ducts and Ducts With Twisted-Tape Inserts",

Transactions of the ASME, Vol. 127, September 2005.

[96] San JY and Huang WC., ―Heat transfer enhancement of

transverse ribs in circular tubes with consideration of entrance

effect‖, Int J Heat Mass Transfer, 2006; Vol. 49: pp. 2965–71.

[97] Sarma P. K, Sharma K. V., Syam Sundar L, Dharma Rao V.

and Subrahmanyam T, ―Estimation of Heat-Transfer Coefficient

and Friction Factor in the Transition Flow Region with Al2O3

Nanofluid Flowing in a Circular Tube with Twisted Tape

Inserts‖, Heat Transfer Research, 2009, Vol. 40, No. 6

[98] Sarma P.K, Hari Babu.K., Subramanyam.T., and Dharma

Rao.V., ― An Experimental Study on Convective Condensation of

Steam in a Horizontal Tube at Low Pressure with Twisted Tape

Inserts‖, Proceedings of the 4th WSEAS Int. Conf. on Heat

192

transfer, Thermal Engineering and Environment, Elounda,

Greece, 21-23, August 2006, pp. 269-275

[99] Sarma P.K., Subramanyam T., Kishore P.S., Dharma Rao V.

and Sadik Kakac, ― Laminar convective heat transfer with

twisted tape inserts in a tube‖ , Int.J.of Thermal Sciences, Vol.

42, 2003, pp. 821-828.

[100] Shaikh N and Siddiqui MHK., ―Heat transfer augmentation in

a heat exchanger tube using a baffle‖, Int. J Heat Fluid Flow,

2007; Vol. 28: pp. 318–28.

[101] Shou-Shing Hsieh and I.W.Huang, "Heat transfer and

pressure drop of laminar flow in horizontal tubes with/without

longitudinal inserts", Journal of Heat Transfer, August 2000,

Vol.122, pp. 465-475.

[102] Shou-Shing Hsieh, Ming-Ho Liu and Huang-Hsiu Tsai,

"Turbulent Heat transfer and flow characteristic in a horizontal

circular tube with strip-type inserts", Part-II (Heat transfer),

International Journal of Heat and Mass Transfer, Vol. 46, 2003,

pp. 837-849.

[103] Shou-Shing Hsieh, Ming-Ho Liu and Huang-Hsiu Tsai,

"Turbulent Heat transfer and flow characteristic in a horizontal

circular tube with strip-type inserts", Part-I (Fluid mechanics),

International Journal of Heat and Mass Transfer, Vol. 46, 2003,

pp. 823-835.

[104] Shyy Woei Chang, Tsun Lirng Yang and Jin Shuen Liou,

―Heat transfer and pressure drop in tube with broken twisted

193

tape insert ―Experimental Thermal and Fluid Science, Vol. 32 ,

2007, pp. 489–501

[105] Shyy Woei Chang, Yih Jena Jan and Jin Shuen Liou,

―Turbulent heat transfer and pressure drop in tube fitted with

serrated twisted tape‖, International Journal of Thermal

Sciences, Vol.46, August 2007, pp. 506-518.

[106] Sibel Gunes, Veysel Ozceyhan and Orhan Buyukalaca ,

―Heat transfer enhancement in a tube with equilateral triangle

cross sectioned coiled wire insert‖, Experimental Thermal Fluid

Science, 2010, Vol. 34, Issue 6, pp. 684-691

[107] Simin Wang, ―An experimental investigation of heat transfer

enhancement for a shell-and-tube heat exchanger‖,

Applied Thermal Engineering, Vol. 29, Issues 11-12,

August 2009, pp. 2433-2438

[108] Siva Rama Krishna V, Govardhan Pathipakka and Palani

Sivashanmugam, "Heat Transfer and Pressure Drop Studies in a

Circular Tube Fitted with Straight Half-Twist Inserts",

International Journal of Chemical Reactor Engineering, Vol. 7,

2009, Article A66

[109] Sivashanmugam and Nagarajan, ―Studies on heat transfer

and friction factor characteristics of laminar flow through a

circular tube fitted with right and left helical screw-tape

inserts‖, Experimental Thermal and Fluid Science 32,

March 2007, pp.192-197.

194

[110] Sivashanmugam, Suresh, ―Experimental studies on heat

transfer and friction factor characteristics of laminar flow

through a circular tube fitted with helical screw- tape inserts‖,

Applied Thermal Engineering, Vol. 26, 2006, pp. 1990-1997.

[111] Sivashanmugam, Suresh and Nagarajan, ―CFD simulation of

heat transfer augmentation in a circular tube fitted with

regularly spaced helical twist inserts in laminar flow under

constant heat flux‖, Advances in Energy Research (AER – 2006),

2006, pp. 468-473

[112] Smith Eiamsa-ard and Promvonge, ―Enhancement of heat

transfer in a circular wavy-surfaced tube with a helical-tape

insert‖, International Energy Journal, Vol. 8, 2007, pp. 29-36.

[113] Smith Eiamsa-ard and Pongjet Promvonge, ―Thermal

characterization of turbulent tube flows over diamond-shaped

elements in tandem‖, International Journal of Thermal Sciences

Vol. 49, Issue 6, June 2010, pp. 1051-1062.

[114] Smith Eiamsa-ard and Pongjet Promvonge, ‖Heat transfer

Characteristics in a tube fitted with helical screw- tape

with/without core-rod inserts‖, International Communications

in Heat and Mass transfer, Vol. 34, 2007, pp. 176-185.

[115] Smith Eiamsa-ard, Somsak Pethkool, Chinaruk Thianpong

and Pongjet Promvonge‖, Turbulent flow heat transfer and

pressure loss in a double pipe heat exchanger with louvered

strip inserts‖, International Communications in Heat and Mass

Transfer, Vol. 35, 2008, pp. 120-129

195

[116] Sreenivasulu T. and Prasad B.V.S.S.S. ―Flow and heat

transfer characteristics in an annulus wrapped with a helical

wire‖, International Journal of Thermal Sciences, Vol. 48, 2009,

pp. 1377–1391

[117] Syam Sundar L. and Sharma K. V., ―Experimental

investigation of heat transfer and friction factor characteristics

in a circular tube with longitudinal strip inserts‖, Journal of

Enhanced Heat Transfer, Vol. 15(4), 2008, pp. 1–9.

[118] Syam Sundar L. and Sharma K.V., ―Numerical Analysis of

Heat Transfer and Friction Factor in A Circular Tube with Al2O3

Nanofluid‖, International Journal of Dynamics of Fluids,

ISSN 0973-1784, Vol. 4, No. 2, 2008, pp. 121–129

[119] Tanda G., ―Heat transfer and pressure drop in a rectangular

channel with diamond-shaped elements‖, International Journal

of Heat Mass Transfer, 2001; Vol. 49: pp. 3529–41.

[120] Tanda G., ―Heat transfer in rectangular channels with

transverse and V-shaped broken ribs‖, International Journal of

Heat & Mass Transfer, 2004; Vol. 47: pp. 229–43.

[121] Tijing LD, Pak BC, Baek BJ and Lee DH., ―A study on heat

transfer enhancement using straight and twisted internal fins‖,

Int. Communications in Heat Mass Transfer, 2006; Vol. 33:

pp.719–26.

[122] Timothy J. Rennie and Vijaya G.S. Raghavan , ―Numerical

studies of a double-pipe helical heat exchanger‖,

Applied Thermal Engineering, Vol. 26, 2006, pp. 1266–1273

196

[123] Tulin Bali and Teoman Ayhan, ―Experimental investigation of

propeller type swirl generator for a circular pipe flow‖, Int.

Comm. Heat and mass Transfer, Vol. 26, No. 1, 1999,

pp. 13-22.

[124] Ventsislav Zimparov, "Energy conservation through heat

transfer enhancement techniques", International Journal of

Energy Research", 2002, 26: pp. 675-696

[125] Veysel Ozceyhan, Sibel Gunes, Orhan Buyukalaca and

Necdet Altuntop, ―Heat transfer enhancement in a tube using

circular cross sectional rings separated from wall‖,

Applied Energy, 2008

[126] Vincente.G and Alberto Garcia,Viedma, ―Heat transfer and

pressure drop for low Reynolds turbulent flow in helically

dimpled tubes‖, International Journal of Heat and Mass

Transfer, Vol.45, 2002, pp.543-553.

[127] Wang S., Guo Z.Y. and Li Z.X., ―Heat transfer enhancement

by using metallic filament insert in channel flow‖, International

Journal of Heat and Mass Transfer, 44, 2001, pp. 1373-1378.

[128] Watcharin Noothong, Smith Eiamsa-ard and Pongjet

Promvonge, ―Effect of Twisted-tape Inserts on Heat Transfer in a

Tube‖, The 2nd Joint International Conference on Sustainable

Energy and Environment (SEE 2006), Bangkok, Thailand,

21-23, November 2006, A0-030.

197

[129] Wen, ―Augmented heat transfer and pressure drop of strip-

type inserts in the small tubes‖, Heat and Mass Transfer,

Vol. 40, 2003, pp. 133–141,

[130] Xing Xiaokai, ―Research on the electromagnetic anti-fouling

technology for heat transfer enhancement‖, Applied Thermal

Engineering, Vol. 28, 2008, pp. 889–894.

[131] Xuelei Chen and William H. Sutton, ―Enhancement of heat

transfer: Combined convection and radiation in the entrance

region of circular ducts with porous inserts‖, International

Journal of Heat and Mass Transfer, 48, 2005, pp. 5460–5474

[132] Yakut K, Alemdaroglu N, Sahin B and Celik C., ―Optimum

design-parameters of a heat exchanger having hexagonal fins‖,

Applied Energy, Vol. 8.

[133] Yeo K. H., Zhou T., and Leong K. C., ―Experimental Study of

Passive Heat Transfer Enhancement in a Drag-Reducing Flow‖,

Heat Transfer Engineering, 28(1): 2007, pp. 9–18.

[134] Yong-Gang Lei, ―Design and optimization of heat exchangers

with helical baffles‖, Chemical Engineering Science, Vol. 63,

2008, pp. 4386 – 4395

[135] Yukitsugu Shoji, Kyozo Sato and Oliver. D.R., "Heat transfer

enhancement in round tube using wire coil: Influence of length

and segmentation", Heat Transfer—Asian Research, Vol. 32 (2),

2003.

[136] Yu-Wei Chiu and Jiin-Yuh Jang, ―3D numerical and

experimental analysis for thermal–hydraulic characteristics of

198

air flow inside a circular tube with different tube inserts‖,

Applied Thermal Engineering, Vol. 29, 2009, pp. 250-258.

[137] Zeitoun O. and Hegazy A. S, " Heat transfer for laminar flow

in internally finned pipes with different fin heights and uniform

wall temperature", Heat and Mass Transfer, Springer-Verlag

2003, DOI 10.1007/S00231-003-0446-8

[138] Zhang Z, Yu Z and Fang X., ―An experimental heat transfer

study for helically flowing outside petal-shaped finned tubes

with different geometrical parameters‖, Applied Thermal Engg.,

2007; Vol. 27: pp. 268–72.

[139] Zhang Zhnegguo , Xu Tao and Fang Xiaoming, ―Experimental

study on heat transfer enhancement of a helically baffled heat

exchanger combined with three-dimensional finned tubes‖,

Applied Thermal Engineering, Vol. 24, 2004, pp. 2293–2300

[140] Zhengguo Zhang, Dabin Ma, Xiaoming Fang and Xuenong

Gao, ―Experimental and numerical heat transfer in a helically

baffled heat exchanger combined with one three-dimensional

finned tube‖, Chemical Engineering and Processing, Vol. 47,

2008, pp.1738–1743

[141] Zimparov V.D and Penchev P.J., ―Performance evaluation of

some tube inserts as heat transfer enhancement techniques,‖

3rd International Conference on Heat Transfer, Fluid Mechanics

and Thermodynamics, 2004, Capetown, South Africa.

[142] Zimparov Ventsislav, ―Prediction of friction factors and heat

transfer coefficients for turbulent flow in corrugated tubes

199

combined with twisted tape inserts. Part 1: friction factors‖,

International Journal of Heat and Mass Transfer, Vol. 47, 2004,

pp. 589–599

[143] Zimparov Ventsislav D, Penchev Plamen J. and Joshua P.

Meyer, ―Performance evaluation of Tube-in-tube heat

exchangers with heat transfer Enhancement in the annulus‖,

Thermal science: Vol. 10, 2006, No. 1, pp. 45-56

[144] Zimparov Ventsislav, ―Enhancement of heat transfer by a

combination of three- start spirally corrugated tubes with a

twisted tape‖, International Journal of Heat and Mass Transfer,

Vol. 44, 2001, pp. 551- 574

[145] Zimparov Ventsislav, ―Prediction of friction factors and heat

transfer coefficients for turbulent flow in corrugated tubes

combined with twisted tape inserts. Part 2: heat transfer

coefficients‖, International Journal of Heat and Mass Transfer,

Vol. 47, 2004, pp. 385–393