National Center for Combustion Research and Development

Indian Institute Of Technology Madras & Indian Institute of Science, Bangalore
Dr. Nagarajan R.

Professor Dept of Chemical Engg., IITM


Fine Particle Science & Technology, Chemical Vapor Transport & Deposition, Ultrasonic Cavitation in Liquids


1) Megasonic Sweeping and Silicon Wafer Cleaning, J.M. Goodson and R. Nagarajan, Solid State Phenomena, Vols. 145-146, 2009, pp. 27-30 
2) Advances in nano-alumina ceramic particle fabrication using sono-fragmentation, Gopi, K.R. and R. Nagarajan, IEEE Transactions in Nanotechnology, Vol 7, No 5, September 2008, pp. 532-537 
3) Effect of Scanning Speed, Nozzle Stand-off Distance and Beam Scan-off Distance on Coating Properties of Laser Surface Alloyed 13Cr-4Ni Steel, R.C. Shivamurthy, M. Kamaraj, R. Nagarajan, S.M. Shariff and G. Padmanabhan, Trans. Indian Inst. Met., Vol. 61, Nos. 2-3, April-June 2008, pp. 183-186 
4) Minimization of fines generation in size reduction of coals by impact crusher, Eswaraiah, C., Gupta, A., Nagarajan, R., Rajavel, M. and K. Nandakumar, Fuel Process. Technol. 89 (2008), pp. 704-714 
5) Application of power ultrasound in cavitation erosion testing of nano-ceramic particle/polymer composites, Gopi, K.R. and R. Nagarajan, Solid State Phenomena, Vol. 136 (2008), pp. 191-204 
6) Pulsed ultrasonic mixing: an experimental study, Vetri Murugan, R. and R. Nagarajan, Chemical Engineering Research and Design, 86 (2008), pp. 454-460 
7) Erosion Model on Alumina Ceramics: A retrospection, validation and refinement, Gopi. K.R., Nagarajan, R., Rao, S.S. and S. Mandal, Wear, 264 (2008), pp. 211-218 
8) Modeling of thermodynamic and transport phenomena in CVD processes for nano-scale applications, Nagarajan, R., Gorai, P. and N. Chawla, ECS Transactions on Thermal and Plasma CVD of Nanostructures, Vol 13, Issue 9, 2008, pp. 7-18 
9) Experimental investigation of high-frequency, high-intensity ultrasonics for de-stratification of liquids stored in insulated containers, Vetri Murugan, R., Nagarajan, R. and K. Ramamurthi, Int. J. Transport Phenomena, Vol. 9, pp. 311-320, 2007 
10) Use of ultrasonic cavitation in surface cleaning: Mathematical model to relate cleaning efficiency and surface erosion rate, Nagarajan, R., J. Inst. Environ. Sci. Technol, Vol. 49, No. 2, pp. 40-50, October 2006 
11) Cavitation and acoustic streaming in ultrasonic fields: Applications in bio-, leather- and chemical-processing, Nagarajan, R. et al., J. Acoustical Society of America, Vol 119, No 5, May 2006, p 3321 
12) Emerging applications of nano-technology in agriculture: Boon or bane?, Nagarajan, R., Voice of Coromandel Fertlizers, Vol. 4, No 1, May 2006, pp. 34-36 
13) Process optimization based on Taguchi quality loss function concept, P. Balasubramanian and R. Nagarajan, Journal of NIQR, Vol 9, No. 1, 2006, pp.29-41 
14) Visualization of ultrasonically-induced flow using particle imaging velocimetry (PIV), Jagannathan, T.K., Nagarajan, R. and C. Sivakumar, accepted for presentation at ISFV 13/ FLUVISU 12, Nice Acropolis Center, French Riviera, July 1-4, 2008 
15) Nano-particle fabrication by sono-fragmentation, Nagarajan, R., Gopi, K.R. and K. Khinchi, presented at Intl Conf on Nano Science & Technology (ICONSAT), Chennai, India, Feb 27-29, 2008 
16) Effect of impingement angle on slurry erosion rates of laser surface alloyed steels, Shivamurthy, R.C., Kamaraj, M., Nagarajan, R., Shariff, S.M. and G. Padmanabhan, presented at Indian Institute of Welding- Intl Congress (IIW-IC 2008), Chennai, India, Jan 8-10, 2008 
17) Particulate source apportionment in cleanrooms using nonnegative matrix factorization, Ramesh Babu, P., Narasimhan, S. and R. Nagarajan, presented at Intl conf on Nano and Microelectronics (ICONAME-2008), Puducherry, India, Jan 3-5, 2008 
18) Effect of scanning speed and nozzle stand-off distance on laser surface alloyed martensitic stainless steel, Shivamurthy, R.C., Kamaraj, M. and R. Nagarajan, presented at Intl Conf on Metals & Aloys:METALLO 2007, IIT Kanpur, December 7-10, 2007 
19) Microstructure and hardness studies of the laser surface alloyed martensitic stainless steel, Shivamurthy, R.C., Kamaraj, M., Nagarajan, R., Sharrif, S.M. and G. Padmanabhan, presented at Annual Technical Meeting of IIM, Mumbai, India, Nov 15-16, 2007 
20) Visualization of high-frequency, high-intensity ultrasonic fields using particle imaging velocimetry (PIV), Nagarajan, R., Menon, P., Vetri Murugan, R. and Jagannathan, TK, in Proc. PSFVIP-6: 6th Pacific Symposium on Flow Visualization and Image Processing, Hawaii, USA, May 16-19, 2007, pp. 20-25 
21) Optimized blending of nano-sized & micron-sized ceramic particles using power ultrasound, Gopi, K.R., Ramchander, Ch. and R. Nagarajan, in Recent Advances in Composite Materials (V.K. Srivastava et al., Editors), Allied Publishers Pvt. Ltd., Feb 2007, pp. 483-490 
22) Slurry Erosion Studies on Surface Modified Martensitic Stainless Steel, R.C. Shivamurthy, T. Manisekaran, M. Kamaraj, R. Nagarajan, B.S. Mann, S.M. Sharrif and S.V. Joshi, presented at Intl Symp on Steels for Automotives, Jamshedpur, India, Nov 13-16, 2006 
23) Experimental studies on heat transfer augmentation using high-intensity multi-frequency ultrasound, Vetri Murugan, Vinay, R. and R. Nagarajan, in Proc. 7th Intl Symp on Transport Phenomena, Toyama, Japan, Sep 4-8, 2006 
24) Enhanced gas-liquid mass transfer in an ultrasonically aerated agitated vessel, interpreted through eddy cell and slip velocity models, Vinay, R., Vetri Murugan, and R., Nagarajan, in Proc. 7th Intl Symp on Transport Phenomena, Toyama, Japan, Sep 4-8, 2006 
25) Fabrication of nano-ceramic particles by using power ultrasound, Gopi, K.R., Khinchi, K. and Nagarajan, R., in Proc. 8th Intl Conf on Nanostructured Materials (Nano 2006), Bangalore, India, Aug 20-25, 2006 
26) Investigation of high-frequency, high-intensity ultrasonics as process intensifier for leather dyeing process, Dhanalakshi, N.P., Nagarajan, R. and V. Sivakumar, in Proc. Intl Conf Advances in Fibrous Materials, Nonwoven and Technical Textiles (AFINT 2006), Coimbatore, India, Aug 7-9, 2006 
27) Application of orthogonal fractional-factorial design of experiments to develop data-based models for erosion of ceramic liners due to flow and impaction of particle-laden fluids in cement and coal processing industry, Gopi. K.R., R. Nagarajan and S. Mandal, in Proc. Gordon Conf on Granular & Granular-Fluid Flow, Queens College, Oxford, UK, July 23-28, 2006 
28) Optimization of Ultrasonic Cleaning for Erosion-Sensitive Microelectronic Components, Nagarajan, R. et al., in Proc. 17th Annual IEEE/SEMI Advanced Semiconductor Manufacturing Conference, Boston, MA, May 22-24, 2006, pp. 233-237 
29) Particle science and technology education & research at IIT Madras: A synergistic approach, Nagarajan, R. and S. Ramanathan, in Proc. 5th World Congress on Particle Technology, Orlando, FL, April 23-27, 2006 
30) Role of Nano-Ceramic Particle Additives in Enhancing Wear Resistance of Ceramic Matrix Composites- A Review, K.R. Gopi and R. Nagarajan, presented at CONCERT 06, AC College of Technology, Anna University, Chennai, India, March 16-18, 2006 
31) Particle science & technology initiatives at IIT Madras, Nagarajan, R., Sankara Narayanan, S. and S. Ramanathan, presented at CHEMCON-2004, 57th Annual Session of IIChE, Mumbai, India, Dec 2004 
o Process Optimization Based on Taguchi Quality Loss Function Concept, Chapter in TQM:Contemporary Perspectives and Cases, Icfai Professional Reference Book, Icfai University Press, 2008, pp. 120-145 
o Contamination and ESD Control in High-Technology Manufacturing, Welker, R.W., Nagarajan, R. and C.E. Newberg, John Wiley & Sons, September 2006 
Short-Term Courses/ Workshops: 
1) Advanced Topics in Contamination Control, tutorial presented at ESTECH-2008 (54th Annual Technical Meeting of the Institute for Environmental Sciences & Technology), Bloomingdale, IL, May 4-7, 2008 
2) Contamination Control in High-Technology Manufacturing, Short Course, Singapore & Kuala Lumpur, May 2007; Bangkok, November 2007; Singapore, April 2008 
3) Application of Taguchi Quality Loss Function Analysis in Industrial Process Optimization, IC & SR Technology Appreciation Program Short Course, July 25, 2006 
Invited Lectures: 
1) Nano-Particle Synthesis by Sono-Fragmentation, National Seminar on Micro and Nanotechnology:Advances and Implications, Minatech-08, SCSVMV University, Enathur, India, March 21-22, 2008 
2) Nano-particle synthesis and processing by sono-technology, Workshop on Nanomaterials Characterization and their Process Applications, NIT Trichy, Feb 28, 2007 
3) Sono-fragmentation and sono-blending: Application in nano-particulate technology, Workshop on Colloids & Materials Chemistry, RRL Bhubaneswar, January 18-19, 2007 
4) Environmental challenges and opportunities, Nagarajan, R., invited talk presented at CHEMVISION 2005, Chennai, India, March 2005


  • Assistant Professor, West Virginia University Morgantown, WV, 1986
  • Senior Technical Staff Member, IBM Corporation, San Jose, CA, 1988
  • G.S. Laddha Chair (Visiting) Professor, A.C. Tech, Anna University Chennai, 2003
  • Professor, IIT Madras, Chennai, 2004


  1. Outstanding Younger Member Award, Institute of Environmental Sciences and Technology (IEST), April 1990
  2. First Patent Application (New Lubricant for Swaging of Head-Arm Assemblies) Innovation Achievement Award, March 1997; Patent  (# 5,879,578) Issue Award, March 1999
  3. 2007 Maurice Simpson Award from IEST for  paper, "Use of Ultrasonic Cavitation in Surface Cleaning: A Mathematical Model to Relate Cleaning Efficiency and Surface Erosion Rate," published in the 2006 Journal of the IEST."


  • IIT Madras,
  • National Centre for Combustion Research And Development.


  1. Special Funding for Construction of Class 10,000 and Class 100 Clean Room Facilities
  2. Investigation of High-Frequency Ultrasound for De-Stratification of Cryogenic Liquids Stored in Insulated Containers: Phase 
  3. Investigation of High-Frequency Ultrasound for De-Stratification of Cryogenic Liquids Stored in Insulated Containers: Phase 2
  4. Ultrasonic Cleaning Studies
  5. CFD Flow/ Erosion Model of Wear Pattern in Pipelines and Cyclones
  6. Characterization of Contamination Sources in IISU Clanrooms
  7. Fine Particle Applications in High-Precision Manufacturing
  8. Coal Particle Size Reduction with Minimized Fines Generation
  9. Fly-Ash Impact Erosion of Boiler Tube-Banks
  10. Ultrasonic Enhancement of Heat-Transfer in Furnace Heaters
  11. Ultrasonic Coal Wash
  12. Separation of Rice Bran & Husk in an Air Classifier
  13. CVD of SiO2 from OMCTS
  14. Enhancement of Atomization in Effervescent Atomizers Using Ultrasonics