1. K.Kannan, and M.Udayakumar, “NOx and HC Emission Control Using Water Emulsified Diesel in Single Cylinder Diesel Engine”, Journal of Engineering and Applied Science, Vol. 4, No. 8, Oct. 2009, pp.1-4
2. V.Arul Mozhi Selvan, R.B.Anand, & M.Udayakumar, “Stability of DIESOHOL BLEND with Castor oil as Additive and its Performance and Emission characteristics in a variable Compression Ratio Engine”, International Journal of Power Engineering , Vol. 1, No. 2, 2009, pp. 99-113.
3. Arul Mozhi Selvan, V., Anand, R.B., Udayakumar,M., “Effects of Cerium Oxide Nanoparticle Addition in Diesel and Diesel-Biodiesel-Ethanol Blends on the Performance and Emission Characteristics of a CI Engine”, Journal of Engineering and Applied Science, Vol. 4, No. 7, Sep. 2009, pp.1-6.
4. Arul Mozhi Selvan, V., Anand, R.B., Udayakumar,M., “Stability, Performance and Emission Characteristics of Diesel-Ethanol Blend with Castor Oil as Additive in Variable Compression Ratio Engine”, SAE Paper No. 2009-32-0120, 2009
5. Arul Mozhi Selvan, V., Anand, R.B., Udayakumar,M., "Combustion Characteristics of Diesohol using Biodiesel as additive in a Direct Injection Compression Ignition Engine under Various Compression Ratios", Energy & Fuels, DOI:10.1021/ef900587h, 2009.
6. Arul Mozhi Selvan, V., Anand, R.B., Udayakumar, M., "Stability of Diesohol using Biodiesel as Additive and its Performance and Emission Characteristics in a Compression Ignition Engine under Various Compression Ratios", International Journal of Applied Engineering Research, Vol. 4, No. 9, 2009, pp. 1723–1738.
7. M.Pandian, S.P.Sivaprakasam, and M.Udayakumar, “ Influence of Injection Timing on Performance and Emission Characteristics of naturally Aspirated Twin Cylinder CIDI Engine using Bio-Diesel Blend as Fuel”, International Journal of Recent trends in Engineering(Mech. Engg), Vol:1. NO; 5, June 2009, pp. 113-117
8. A. Ramesh Kumar, M. Udayakumar, and R.Saravanan, “ Energy Analysis of a 1- Ton Generator-Absorber-Exchange Absorption-Compresson (GAXAC) Cooler”, ASHRAE Transactions, Vol:115(2009), Part-1. Paper No: CH-09-043
9. A. Rameshkumar, M. Udayakumar, R. Saravanan, “Heat transfer studies on a GAXAC (generator-absorber-exchange absorption compression) cooler”, Applied Energy, Vol: 86 9, 2009, pp. 2056-2064.
10. K.Kannan, and M.Udayakumar, “ Modeling of Nitric Oxide Formation in Single Cylinder Direct Injection Diesel Engine using Diesel-Water Emulsion”, American Jrl. Of Applied Sciences,Vol:6(7), 2009 pp. 1313-1320
11. M.Udayakumar, K.Pannirselvam, and T.Suthakar, “ Insitu Performance Evaluation of Industrial Air Compressors”, In Spanish Journal Frio-Calor-Aire Acondicionado , May 2009. Originally Paper No;1422 in Proc. 19th Itl. Compressor Engineering Conf., Purdue Univ.U.S.A., July 2008
12. A. Ramesh Kumar, and M. Udayakumar, “Studies Of Compressor Pressure Ratio Effect on GAXAC (Generator-Absorber-Exchange Absorption Compression) Cooler” Applied Energy, Vol:85(2008), pp.1163-1172
13. Ramesh Kumar and M. Udayakumar, “Simulation Studies On GAX Absorption Compression Cooler”, Energy Conversion & Management, Vol 48(2007), pp 2604-2610.
14. R.Murugan, M. Udayakumar and M. Mohamed Musthafa, “Numerical Simulation of Turbulent pre-mixed Combustion in SI Engine”, Bulletin of Pure and Applied Sciences, Vol: 25 E, No: 2, pp 237-242, (Jul-Dec) 2006.
15. A. Nagoor Gani, Vithanage Pemajayantha, M. Udayakumar, R. Murugan, “Simulation of Turbulent pre-mixed Charge Combustion in SI Engine”, Technical Report of the Modelling and Simulation Research, Australia, Vol:2, issue: 1, pp 23-31, Apr 2005.
1. P.Manikalithas, and M.Udayakumar, “Performance and Emission Characteristics on a Direct Injection Diesel Engine by Using Diesel and Jatropha Curcas Oil Blends”, Jrl. of the Institution of Engineers (India), Vol: 89, Jan.2009, pp. 30-34.
2. M. Udayakumar and R. Murugan, “A New approach to Measurement of Instantaneous Cylinder Volume For IC Engines”, The ICFAI University Journal of Mechanical Engineering, Vol:1 (2008) NO:1, pp. 39-47
1. Arul Mozhi Selvan, V., Anand, R.B., Udayakumar,M. “Stability and Performance Characteristics of Diesohol Using Biodiesel as Additive in Compression Ignition Engine”, Proceedings of the International conference on Fascinating Advances in Mechanical Engineering-FAME’08, Mepco Schlenk Engineering College, Sivakasi, December 11-13, 2008.
2. S.Venkatachalapathy, M.Udayakumar and P.Dhananjaya, “ experimental Investigation on Cooling of Multiple Heat Sources in Rectangular Enclosure by Forced Convection,” Proceedings of the International conference on Fascinating Advances in Mechanical Engineering-FAME’08, Mepco Schlenk Engineering College, Sivakasi, December 11-13, 2008
3. Arul Mozhi Selvan, V., Anand, R.B., Udayakumar,M., “Stability, Performance and Emission Characteristics of Diesel-Ethanol Blend with Castor Oil as Additive in Variable Compression Ratio Engine”, Proceedings of the Small Engine Technology Conference - SETC 2009, Penang, Malaysia, organized by JSAE and SAE International, November 3-5, 2009.
4. R. Murugan and M. Udayakumar, A New Device to Measure the Instantaneous cylinder volume of IC Engines, Intl.Conf. and XX Natl. Conf. on IC Engines and Combustion(ICONICE-2007), Paper No : F-049, J.N.T.U. Hyderabad, Dec. 6-9, 2007
5. R. Murugan and M. Udayakumar, Flame velocity Determination for variable Lewis Number combustion Systems, Intl.Conf. and XX Natl. Conf. on IC Engines and Combustion(ICONICE-2007), Paper No : F-050, J.N.T.U. Hyderabad, Dec. 6-9,2007.
6. P. Manikalithas,., D. Valavan and M. Udayakumar, Comparative Performance and Emission Characteristics Study of a Direct Injection C I Engine Fuelled with Diesel-Vegetable oil blends, Proc. Intl. Conf on Bio-Fuels-Vision 2015 (ICBFV-2015), Paper I.D.No; 47, Engg. College Bikaner, Oct 13-15, 2006.
7. P. Manikalithas, D. Valavan and M. Udayakumar, Comparative Performance and Emission Characteristics Study of Cotton Seed Oil Blend in a Single Cylinder Direct Injection Diesel Engine , Proc. Intl. Conf on Bio-Fuels-Vision 2015 (ICBFV-2015), Paper I.D.No; 83, Engg. College Bikaner, Oct 13-15, 2006.
8. D. Valavan and M. Udayakumar, Combustion and Emission Characteristics of a Compression Ignition Engine Fuelled with Diesel-Jatropha Blends, Proc. Natl. Conf on Bio-Fuels for Internal Combustion Engines(NCBIC 2006) , PaperNo:10, N.I.T.K.,Suratkal,March23-25,2006.
9. M. Udayakumar, R. Murugan and K.S. Umasankar, Numerical Simulation of Turbulent Pre-mixed Combustion in SI engines, Proceedings, International conference on numerical Analysis and Applied Mathematics 2005 , Rhodes, Greece,September,16-20pp.773-778,2005.
10. K. Pannirselvam, M. Udayakumar and Nageswara Rao, A new device to measure instantaneous swept volume of reciprocating machines/ compressors, paper No: CO11, Proceedings, International Compressor Engineering Conference at Purdue, U.S.A.,July,12-15,2004.
11. M. Udayakumar, Pollution from thermal Power plants and its control, Proc. National conference on Air Pollution Monitoring and Control, AAM College of Engg,Kovilvennipp.8-15,2005.
12. M. Udayakumar, Automobile Air Pollution- Invited lecture :National conference on Air Pollution Monitoring and Control, AAM College of Engg, Kovilvenni, 2005.
13. K. Kannan and M. Udayakumar, Nox Emission from diesel Engine and in-cylinder control methods- A comparison Proc. National conference on Air Pollution Monitoring and Control, AAM College of Engg, Kovilvenni pp. 22-28, 2005.
14. M. Udayakumar and D. Vincent H Wilson, Simulation and Modeling of Fuel Injection System of a Diesel Engine, International Conf. On Mech Engg. Dhaka, Bangladesh, Univ. of Dhaka, Bangladesh, Paper No: ICME03-TH-24, 2003.
15. A.Rameshkumar, M. Udayakumar and Anand A Samuel, Energy-Environ based comparison of R12,R134a & Care-30 Refrigeration systems for Maximizing Energy conservation, , XIII Natl. Conf. Of Indian Society of Mechanical Engineering, IIT Roorkee, Paper No: TH105, 2003.
16. R. Murugan and M. Udayakumar 2003, Instrumentation for Internal Combustion Engine Testing, XIII National conference of Indian Society of Mechanical Engineering, IIT Roorkee, Paper No:TH-062.
17. D. Valavan and M. Udayakumar 2003, Factors Influencing Choice of Ethanol as Diesel Engine Fuel, National Conference on Energy Engineering, National Engineering College, Kovilpatti.
18. R.Murugan and M. Udayakumar, Flow Measurements for SI Engines Research - A Review, National Conference on Recent Trends in Flow Measuring Techniques, Sri A.A.C.E.T., Siruganur, pp.46-53, 2003.
19. M. Udayakumar and S. Venkatachalapathy, Coal Fueled Diesel Engines: A Status Report, XVI National Conference on IC Engines and Combustion, Jadavpur University, pp.146-153, 2000.
20. T. Elango, and M. Udayakumar, Effect of Fouling of a Temperature measuring probe on the accuracy of temperature measurement, XVI National Conference of Mechanical Engineers, Univ. of Roorkee, Vol.II, pp.933-936, 2000.
21. M. Pandian, and M. Udayakumar, Performance Analysis of Three Fluid Heat Exchanger, XVI National Conference of Mechanical Engineers, University of Roorkee, Vol-II, pp.937-939, 2000.
22. M. Udayakumar, Micronized Charcoal As Diesel Engine Fuel: Preparation and Study of Properties, International Conference on Advances in Mechanical and Industrial Engineering, Univ. of Roorkee, Vol-I, pp.443-450, 1997.
23. M. Udayakumar and M. Murugan, Performance Studies and Heat Release Analysis on a Charcoal Burning Diesel Engine, International Conference on Advances in Mechanical and Industrial Engineering, University of Roorkee, Vol-II, pp.621-628, 1997.
24. M. Udayakumar, Analysis of Cylinder pressure data of a Charcoal Burning Diesel Engine, XV National Conference on IC Engines and Combustion, Anna University, Chennai, pp. 228-235, 1997.
25. M. Udayakumar, K. Ramesh, Saravanaprasath and V. Sathyadev, Charge Stratification in Spark Ignition Engine, XV National Conference on IC Engines and Combustion, Anna University, Chennai, Vol-I, pp.378-383, 1997.
26. M. Udayakumar, N. Ashok and S. Srinivasan, Finite Element Analysis of Tungsten Inert Gas Arc Butt-Welded Plates, International Conference on Advances in CAD, CAM, Robotics and Autonomous Factories, I.I.T., New Delhi, Vol-III, pp.607-616, 1993.
27. M. Udayakumar, Coal Fueled Diesels (in Tamil), Tamil Nadu Science Congress-Seminar on Alternative Energy Resources, Bharathidasan University, Tiruchirappalli, Vol-I, Paper No:22-26, 1992.
28. M. Udayakumar, Estimation of Mass flow rate in Natural Circulating Systems, National Conference of Solar Energy Society of India, I.I.T. New Delhi, Vol-I, Paper 2.036-2.039,1982.
