Teaching/Research Experience:     25 years/8 Years

Doctoral Research Work: Some Heat Transfer Aspects of Laminar and Turbulent Falling  

                                          Films on Horizontal Tubes and Vertical Surfaces.

Award(s)            :  Best Thesis award for Ph.D in 1992 from Andhra University

                        (Smt. Avula Jayaprada Devi and Sri Sambasiva Rao Endowment Prize)

Technical Papers Published

a) International Journals:  SIX

 Â“Direct contact condensation of vapour on Turbulent falling liquid film”, Journal of Applied Scientific Research, Netherlands, 1992, Vol.49, pp31-48.

“Evaporation of Laminar falling liquid film on a horizontal tube”, Journal of Warme-und Staffubertragung, FRG, 1992, Vol. 27, pp347-355.

“Heating of Non-Newtonian liquid film falling on a horizontal tube”, Journal of Warme- und staffubertragung FRG, 1992, Vol. 27, pp489-497.

“Preparation and Characterization of Biodegradable Nanoparticles”, International Journal of Nanosystem, 2008, Vol.1, pp7-10.

“Experimental Analysis of Sisal Nanofluids in a Shell Coil Heat Exchanger”, International Journal of Nanosystem, 2008, Vol.1, pp87-90.

“A New Approach for Design and Analysis of Geneva Mechanism”, Accepted for Publication in International Journal of Computational Mathematical Ideas (IJCMI), India, 2009

b) National Journals:  TWO

“Condensation of vapours on turbulent falling liquid film –A design Equation”, Journal of Energy Heat and Mass Transfer, 1990, Vol. 12, pp133-141.

“Evaporation from a turbulent falling liquid film on a horizontal tube”, Journal of Energy Heat and Mass Transfer, 1993, vol. 15, pp135-144.

c) International Conferences/Symposia:  NINE

“Experimental and theoretical investigation Dynamics and heating of turbulent falling Liquids,  8^thInternational Heat Transfer Conference, San Francisco, USA, 1986, pp1963-1969.

“Heating and evaporation of turbulent falling liquid film on a vertical surface”, 18^th    National & 7^th ISHMT – ASME Heat and Mass Transfer Conference, IIT, Guwahati, India, January 4 - 6, 2006,   

pp551-558.

“Simulation of Fluid Flow and Heat Transfer in Finned Tube Thermosyphon System”, International Congress on Renewable Energy (ICORE), Hyderabad, Feb.9-11, 2006.

“CFD Modeling and analysis of Flue Tube in Tobacco Curing Barn, International  Conference on  Computational Fluid Dynamics,Acoustics,Heat Transfer and Electro magnetics(CFEMATCON-06), Andhra University, Visakhapatnam July 24-25, 2006, Andhra University, Visakhapatnam,India

 Â“Condensation of Axially Impinging Vapors on Bodies of Revolution Spinning About Their Axis of Symmetry”, 19^th National & 8^th ISHMT – ASME Heat and Mass Transfer Conference, JNTU Hyderabad, India, Jan.3-5, 2008, Paper No.NP-8.

“Influence of Dissolved Non-Condensable on Condensation Heat Transfer Coefficient in Deaerator”, 19^th National & 8^th ISHMT – ASME Heat and Mass Transfer Conference, JNTU Hyderabad, India, Jan.3-5, 2008, Paper No.HMT-14.

 Â“Heat and Mass Transfer Analysis during Condensation of Vapor-High Concentration Non-  Condensable Gas Mixture in a Pipe in laminar Forced ConvectionÂ’, 19^th National & 8^th ISHMT -  ASME Heat and Mass Transfer Conference, JNTU Hyderabad, India, Jan.3-5, 2008, Paper  No.HMT-15.

“Augmentation of Overall Heat Transfer Coefficient of the Water with Nano Fluids in a  Shell- Coil Heat Exchanger”, Proceedings of International and INCCOM-6 Conference on Future   Trends in Composite Materials and Processing”, IIT Kanpur, India, 12-14 Dec., 2007.

“Development of a New Geneva Mechanism with Improved Kinematic Characteristics”, Procs. of  15^th ISME International Conference on New Horizons of Mechanical  Engineering, Rajiv Gandhi Technological University, Bhopal, 18-20 March, 2008, pp 179-192.

d) National Conferences:  ONE

“Development of Mathematical Model for Non-Standard Elliptical Gear Drives”, National Conference on Advances in Mechanical Engineering NCAME-2008, 11^th January, 2008

Summer / winter schools attended:

Summer school on “pipe line design and pumping machinery for liquids and solid liquid mixtures”, 12^{th --} 23^rd July, 1994, MACT, Bhopal.

QIP Short term course on “Modern Measurement Techniques of Turbo Machinery”, 7^th -18^th July, 1997, Indian Institute of Technology, Madras.

AICTE-ISTE Short Term Training Program on “Automotive Emission control Strategies”, 20^th - 31^st May, 2000, Department of Mechanical Engineering, Annamalai University, Annamalai Nagar.

AICTE-ISTE Short Term Program on “ Recent Trends in Energy Conservation Through Exergetic System Optimization”, 19^th –30^th June 2000, Centre for Energy Studies, Department of Mechanical Engineering, Vellore Engineering College, Vellore.

Short term course on “Recent Advances in Multimode Heat transfer”,9^th -20^th Dec. 2002, I.I.T, Madras.

AICTE-ISTE Short Term Training Program on “Energy and Cryogenic Engineering”, 15^th -26^th Nov., 2004. Centre for Energy Studies, Department of Mechanical Engineering, Vellore Engineering College, Vellore.

AICTE-ISTE Short Term Training Program on “Concurrent Engineering –   A Modern Approach to Product Development”, 27^th -31^st Dec. 2004, SRKR Engg. College, Bhimavaram.

Work shop on “Optimization methods for Engineering Design”, 5^th -10^th March, 2002, College of Engg., GITAM, Visakhapatnam.

A short course on “Compact Heat Exchangers”, 5^th - 6^th March, 2001, College of Engg., GITAM, Visakhapatnam.

Conferences attended:

 i)  8^th NHMT Conferences in 1985 at Andhra University.

 ii)  9^th NHMT Conference in 1998 at IISC, Bangalore

iii)  International symposium on Boiling, Condensation and Two Phase flow, Andhra University, Visakhapatnam, 1993.

iv)  18^th National & 7^th ISHMT – ASME Heat and Mass Transfer Conference, IIT,

                              Guwahati, 2006.

v)   18^th National & 7^th ISHMT – ASME Heat and Mass Transfer Conference, JNTU Hyderabad, 2008.

Short Term Course Conducted: Coordinators for Short Term Course on “Emerging   in Mechanical engineering for Sustainable   Development”, SRKR Engg. College, Bhimavaram during  18-12-2007 to 22-12-2006

Projects                  : Co-Principal Investigator for AICTE Project under RPS Scheme in 2007-08

Title of the Project: Augmentation of Thermal Conductivity with Nanofluid

Subjects handled:

              Heat and Mass Transfer, Fluid Mechanics, Fluid machinery, Thermodynamics, Thermal Prime Movers, Thermal Engineering, Heat and Mass Transfer Laboratories

Memberships:            MIE, MISTE, ISHMT

Any other Information: Honorary Editor for International Journal of computational Mathematical 

                                          Ideas (IJCMI)