1. Experimental and Computational Thermal-Fluid Sciences, Advanced Heat and Mass Transfer, Energy Storage and Devices, Product Design

1. Enhanced heat transfer

2. Thermal measurements

3. Electronic cooling systems

4. Food Processing Techniques and Design

5. New Product Development

6. Energy Storage Devices

7. Software tools : MATLAB, OpenFOAM, Ansys Fluent, FreeCAD

1. SPONSORED PROJECTS:

2. Design and Development of energy efficient freeze dryer with multiport mini-channel shelf heat exchanger (SB/S3/MMER/0005/2014) - 27 Lacs - Dr.B.Raja (PI) - Completed

3. Development of a nanofluid coolant for high heat flux devices with mini-channel heat exchanger (SR/FTP/ETA-0017/2010) - 12.89 lacs - Dr.B.Raja (PI) - Completed

4. Integrated Clean Energy Material Acceleration Platform (IC-MAP) - Consortium Project : Dr.B.Raja (PI), Dr.K.Selvajyothi (Co-PI) - ICMAPDST/TMD/IC-MAP/2K20/01 - 44 lacs - OnGoing - Duration 2022 - 2025

6. INSTITUTE SEED FUND

7. Performance analysis and design modification of a freeze dryer: Theoretical and experimental investigation - Research Initiation Grant (IFP/RIG/2012-13/BRJ/001) - 5 lacs - Dr.B.Raja (PI) - Completed

9. CONSULTANCY PROJECT

10. Hybrid Energy Storage System for an EV - HBL power systems Ltd, Dr.B.Raja(Co-PI) and Dr.K.Selvajyothi (PI) - 12.5 Lacs - Ongoing - Duration 2020 - 2023

12. HONOURS AND AWARDS:

13. Vice President - ESSI

14. Editor - ESSI Newsletter

15. TVS - Empaneled Trainer - 2020 - Short Term Course on Design Thinking

16. Best paper award - 2009 - IIT Madras NCRAC2009 Conference

17. Best project of the month award- 2003. (at EACoE, Bangalore)

18. Hats off award for Gear Box - CFD project - 2003. (at EACoE, Bangalore)

19. Green Belt certification - 2003 (at EACoE, Bangalore)

20. GE Shares award : Stock option grant certificate - 2002 (at EACoE, Bangalore)

21. Green Belt Certified for Development of Process map for Free Surface Flow Analyses - (at EACoE, Bangalore)

22. CFD analysis works were published in the GE global website.

Teaching

1. IIITDM Kancheepuram (From 2009 to till date)

Research

1. Research Associate - Dept of Mechanical Engg, Anna University

2. Project Assistant - Institute of Energy Studies, Anna University

Industry

1. Kirloskar Copeland Limited, Karad, India

2. TCS-GE, Bangalore

3. GE-EACoE, Bangalore, India and GE Cincinnati, USA

1. ISHRAE

2. IEEE

3. Energy Science Society of India (ESSI) - Vice President

1. Head of the Department, Placement Co-ordinator, Alumni Co-ordinator, Chairman - Stores and Purchase committee

1. CORE ENGINEERING COURSES:

2. Fluid Mechanics and Heat Transfer

3. Thermal Science for Electronic Engineers

4. Applied Thermal Engineering Theory and Practice

5. Thermal and Fluid Engineering

6. Automobile Engineering

7. Concepts of Thermal Engineering and Application

9. INTERDISCIPLINARY COURSES:

10. Design for Electronic cooling system and packaging

11. Thermal Management in Electronic systems

12. Hybrid Electric and Electric Vehicle

13. Electro-chemical Energy Conversion and Storage

14. Green Energy and Product Design

15. Mechanical Design for Electronics Engineers

16. Material Science for Electrical and Electronic Engineers

18. DESIGN THINKING COURSES:

19. Concepts of Engineering Design

20. Product Analysis and Modelling

21. Product Conceptualization and Visualization

22. Concepts of Product Design and Development

23. Design Realization

24. Earth Environment and Design

25. Design History

27. LABORATORY DEVELOPED

28. Applied Thermal Engineering

29. Product Conceptualization and Visualization

30. Design Realization

32. PRODUCT DEVELOPED

33. Thermal Conductivity Measurement - Dual Hot wire device and 3-omega device

34. Freeze Dryers

35. Spray Dryers for Na-ion powder

36. Curtain Coaters

37. Slot Die Coaters

1. R. Chandrasekaran, M. Satishkumar Reddy, B. Raja and K. Selvajyothi, Design of Bidirectional DC ??? DC Converters and Controllers for Electric Vehicles or the book Power Converters, Drives, and Control for Sustainable Applications, Wiley Publications (in press)

2. R. Chandrasekar, M. Satish Kumar Reddy, Raja. B and K. Selvajyothi, Recent advances in fast charging methods for Electric Vehicles (in press)

1. Rajasekar. K and Raja. B, An investigation on heat and mass transfer characteristics during spray drying of saline water, Sadhana – Springer, 2022, 47, 2, 1-17 (SCI Indexed)

2. G.Srinivasan, M. Murugan, Chi-Chuan Wang and B.Raja, An experimental investigation on the cooling curve and drying behavior of static and spin-frozen samples in a freeze-drying process, Journal of Thermal Analysis and Calorimetry, 2022, 1-10 (SCI Indexed)

3. M Muneeshwaran, G Srinivasan, B Raja, Chi-Chuan Wang, Investigation of heat and mass transfer behavior of mannitol during vial freeze-drying, Journal of Thermal Analysis and Calorimetry, 2022, 147, 2393–2404 (SCI Indexed)

4. Rajasekar. K and Raja. B, Investigation on Heat and Mass Transfer in Spray Drying Process, Journal of Engineering Thermophysics, 2021, 30(3), 433-448 (SCI Indexed)

5. G Srinivasan and B Raja, Heat and mass transfer analysis on multiport mini channel shelf heat exchanger for freeze-drying application, Sādhanā 45 (1), 1-14 2020, DOI: doi.org/10.1007/s12046-020-01496-x (SCI Indexed)

6. Srinivasan Ganesh, Raja Balakrishnan: Evaluation of immersion-contact type heat transfer for continuous pharmaceutical spin freeze-drying process. Journal of Food Process Engineering (Wiley), 43(1) 2020, e13153, DOI: 10.1111/JFPE.13153 (SCI Indexed)

7. Srinivasan Ganesh, Raja Balakrishnan: An experimental study of drying behavior in ice patterns formed during spin freezing and its influence on the freeze-drying process, Heat and Mass Transfer, volume 55, pages 2469–2481(2019); DOI:10.1007/s00231-019-02596-z (SCI Indexed)

8. Srinivasan Ganesh, Muneeshwaran Murugan, Raja Balakrishnan: Numerical Investigation of heat and mass transfer behavior of freeze drying of milk. Heat and Mass Transfer volume 55, pages 2073–2081(2019), DOI:10.1007/s00231-018-02538-1 (SCI Indexed)

9. V. Umesh, S. Balavignesh, B. Raja: Single-Phase Convective Heat Transfer of Water and Aqua Ethylene Glycol Mixture in a Small-Diameter Tube. Journal of Engineering Thermophysics 01/2018; 27(1):98-105., DOI:10.1134/S1810232818010101 (SCI Indexed)

10. V.Ganesan, M.Vivar, N.Kumar, B.Raja (2016), A simple procedure to study the performance of individual solar cells in a linear concentrating photovoltaic/thermal integrated system, Int. J. Renewable Energy Technology (Inderscience), Vol. 7, No. 4, 2016

11. P. Balachander, B. Raja: Investigation on the boiling heat transfer characteristics of R404A and R134a under stratified flow condition. Heat and Mass Transfer 06/2015; 51(6)., DOI:10.1007/s00231-014-1456-4 (SCI Indexed)

12. V. Umesh, S. Bala Vignesh, B. Raja: A Study on Nucleate Boiling Heat Transfer Characteristics of Acetone on Smooth and Indented Surfaces. Experimental Heat Transfer 04/2015; 29(3):0-0., DOI:10.1080/08916152.2015.1012570 (SCI Indexed)

13. V. Umesh, B. Raja: A study on nucleate boiling heat transfer characteristics of pentane and CuO-pentane nanofluid on smooth and milled surfaces. Experimental Thermal and Fluid Science, 02/2015; 64., DOI:10.1016/j.expthermflusci.2015.01.016 (SCI Indexed)

14. L. Godson, K. Deepak, C. Enoch, B. Jefferson, B. Raja: Heat transfer characteristics of silver/water nanofluids in a shell and tube heat exchanger. Archives of Civil and Mechanical Engineering 05/2014; 14(3):489–496., DOI:10.1016/j.acme.2013.08.002

15. R. Karthik, R. Harish Nagarajan, K.S. Praveen, B. Raja: Experimental investigation on thermal conductivity enhancement of copper (II) oxide-DI water nanofluids. Journal of Engineering Thermophysics 01/2014; 23(4):341-349., DOI:10.1134/S1810232814040122 (SCI Indexed)

16. S. Balavignesh, V. Umesh, B. Raja: Flow Boiling Heat Characteristics of n-Pentane in a Mini-Channel. Procedia Engineering 12/2013; 64:1524-1532., DOI:10.1016/j.proeng.2013.09.234

17. Siddharth Komini Babu, K.S. Praveen, B. Raja, P. Damodharan: Measurement of thermal conductivity of fluid using single and dual wire transient techniques. Measurement 10/2013; 46(8):2746–2752., DOI:10.1016/j.measurement.2013.05.017 (SCI Indexed)

18. R. Karthik, R. Harish Nagarajan, B. Raja, P. Damodharan: Thermal conductivity of CuO–DI water nanofluids using 3-ω measurement technique in a suspended micro-wire. Experimental Thermal and Fluid Science, 07/2012; 40:1–9., DOI:10.1016/j.expthermflusci.2012.01.006 (SCI Indexed)

19. P. Balachander, B. Raja, D. Mohan Lal: Evaporative Heat Transfer Characteristics of R404a and R134a under Varied Heat Flux Conditions. Experimental Heat Transfer 06/2012; 25(3):254-265., DOI:10.1080/08916152.2011.623820 (SCI Indexed)

20. R. Karthik, N. Harish Nagarajan, B. Raja, P. Damodharan: Measurement of thermal conductivity of fluids using 3-ω method in a suspended micro wire. Journal of Engineering Thermophysics 03/2012; 21(1)., DOI:10.1134/S1810232812010067 (SCI Indexed)

21. L.Godson, B.Raja, D.Mohan Lal, S. Wongwises : Convective Heat Transfer Characteristics of Silver-Water Nanofluid Under Laminar and Turbulent Flow Conditions, Journal of Thermal Science and Engineering Applications, ASME Journal of Thermal Science and Engineering Applications, 04/2012, 8 , doi:10.1115/1.4006027 (SCI Indexed)

22. Lazarus Godson Asirvatham, Balakrishnan Raja, Dhasan Mohan Lal, Somchai Wongwises: Convective heat transfer of nanofluids with correlations. Particuology 12/2011; 9(6)., DOI:10.1016/j.partic.2011.03.014 (SCI Indexed)

23. P. Balachander, B. Raja, D. Mohan Lal: Investigation on Boiling Heat Transfer Characteristics of R404A in a 7.49-mm Smooth Horizontal Tube. Experimental Heat Transfer 09/2011; 24(4):355-369., DOI:10.1080/08916152.2011.556309 (SCI Indexed)

24. C.P. Jawahar, B. Raja, R. Saravanan: Thermodynamic studies on NH3–H2O absorption cooling system using pinch point approach. International Journal of Refrigeration 11/2010; 33(7-33):1377-1385., DOI:10.1016/j.ijrefrig.2010.04.015 (SCI Indexed)

25. L. Godson, B. Raja, D. Mohan Lal, S. Wongwises: Experimental Investigation on the Thermal Conductivity and Viscosity of Silver-Deionized Water Nanofluid. Experimental Heat Transfer 10/2010; 23(4-4):317-332., DOI:10.1080/08916150903564796 (SCI Indexed)

26. B. Raja, S. J. Sekhar, D. M. Lal: Thermal—fluid modelling of an air—cooled condenser for refrigerants. Journal of Engineering Thermophysics 03/2010; 19(1):39-51., DOI:10.1134/S1810232810010066 (SCI Indexed)

27. Balakrishnan Raja, Dhasan Mohan Lal, Rajagopal Saravanan: Stratified flow boiling heat transfer study of a HFC/HC refrigerant mixture in smooth horizontal tubes. Heat and Mass Transfer 03/2010; 46(3):323-331., DOI:10.1007/s00231-010-0573-y (SCI Indexed)

28. Lazarus Godson, B. Raja, D. Mohan Lal, S. Wongwises: Enhancement of Heat Transfer Using Nanofluids - An Overview. Renewable and Sustainable Energy Reviews 02/2010; 14(2-14):629-641., DOI:10.1016/j.rser.2009.10.004 (SCI Indexed)

29. B. Raja, D. K. Kumar, D. M. Lal, R. Saravanan: Influence of nucleation on the flow boiling heat transfer coefficient of a refrigerant mixture under varied heat flux conditions. Journal of Engineering Thermophysics 09/2009; 18(3):249-257., DOI:10.1134/S1810232809030072 (SCI Indexed)

30. B. Raja, D. Mohan Lal, R. Saravanan: Flow boiling heat transfer coefficient of R-134a/R-290/R-600a mixture in smooth horizontal tubes using varied heat flux method. Applied Thermal Engineering 06/2009; 29(8):1778-1785., DOI:10.1016/j.applthermaleng.2008.08.009 (SCI Indexed)

31. B. Raja, D. Mohan Lal, R. Saravanan: Flow boiling heat transfer study of R-134a/R-290/R-600a mixture in 9.52 and 12.7 mm smooth horizontal tubes: Experimental investigation. Experimental Thermal and Fluid Science, 03/2009; 33(3):542-550., DOI:10.1016/j.expthermflusci.2008.11.007 (SCI Indexed)

32. Balakrishnan Raja, Sekhar Joseph Santhappan, Lal Mohan Dhasan: Heat transfer correlation for a refrigerant mixture in a vertical helical coil evaporator. Thermal Science 01/2009; 13(4):197-206., DOI:10.2298/TSCI0904197R (SCI Indexed)

33. Balakrishnan Raja, Dhasan Mohan Lal, Rajagopal Saravanan: Boiling in a Stratified Two-Phase Flow: A Review. Heat Transfer Research 01/2009; 40(6):589-612., DOI:10.1615/HeatTransRes.v40.i6.60 (SCI Indexed)

34. Balakrishnan Raja, Palanisamy Balachander, Dhasan Mohan Lal, Rajagopal Saravanan: A Comparative Study on Flow Boiling Heat-Transfer Coefficient of R-134a and R-134a/R-290/R-600a Refrigerant Mixture. Heat Transfer Research 01/2009; 40(6):571-588., DOI:10.1615/HeatTransRes.v40.i6.50 (SCI Indexed)

35. Balakrishnan Raja, Dhasan Mohan Lal, Rajagopal Saravanan: Numerical study on flow boiling heat transfer of a refrigerant mixture in horizontal tubes under a varied heat flux boundary condition. Computational Thermal Sciences 01/2009; 1(1):75-103., DOI:10.1615/ComputThermalScien.v1.i1.40 (SCI Indexed)

36. Raja Balakrishnan, Lal Mohan Dhasan, Saravanan Rajagopal: Flow boiling heat transfer coefficient of R-134a/R-290/R-600a mixture in a smooth horizontal tube. Thermal Science 01/2008; 12(3):33-44., DOI:10.2298/TSCI0803033B (SCI Indexed)

37. B Raja, S. Joseph Sekhar, D. Mohan Lal, A Kalanidhi: A numerical model for thermal mapping in a hermetically sealed reciprocating refrigerant compressor. International Journal of Refrigeration 09/2003; 26(6):652-658., DOI:10.1016/S0140-7007(03)00041-0 (SCI Indexed)

1. Jeyapradhap T, Srinivasan G and Raja B, “Estimation of endpoint in freeze-drying using a measurement sensor for process control ”, 7th National and 1st International Conference – Refrigeration and Air Conditioning – NCRAC 2022, February 24-26th 2022, IIT Guwahati, India. (Best paper award)

2. Gouda R, Srinivasan G, Umesh V and Raja B, “Surface enhancement for boiling heat transfer through micro holes for electronic cooling applications”, 7th National and 1st International Conference – Refrigeration and Air Conditioning – NCRAC 2022, February 24-26th 2022, IIT Guwahati, India.

3. Pothi Raj. R, Rajasekar. K, Raja. B, “Numerical Investigation on heat transfer characteristics during spray evaporation of water”, ISHMT- ASTFE Heat and Mass Transfer conference (IHMTC 2021), 2021, IIT Madras.

4. Pothi Raj. R, Rajasekar. K, Raja. B, Heat transfer analysis of water spray drying – A Numerical Approach, (FUC 2021) Fluids Under Confinement, 2021, IIT Kharagpur.

5. Srinivasan G and Raja B, “Numerical estimation of sublimation front during spin freeze-drying of skimmed milk in a vial”, 26th ISHMT – ASTFE, Heat and Mass Transfer Conference (IHMTC 2021 ), December 17 – 20th , 2021. IIT Madras, India (Presented)

6. Pothi Raj. R, Rajasekar. K, Raja. B, “Numerical Investigation on heat transfer characteristics during spray evaporation of water”, ISHMT- ASTFE Heat and Mass Transfer conference (IHMTC 2021), 2021, IIT Madras.

7. R.Chandraseekaran, A.Srivani, Dr.B.Raja, Dr.K.Selvajyothi Modelling and analysis of Multi-Level Current charging for Electric Vehicles in proceedingsof IEEE International Conference on Information and Communication Technology (CICT-2020) ), pp. 177-182.

8. Satish M, Manasa T, Selvajyothi K and Raja B, ;Estimation of State of Charge and Terminal voltage of Li-ion Battery using Extended Kalman Filter;, in the proceedings of 6th IEEE International Energy Conference (ENERGYCON), 28th September to 1st October 2020, Tunisia.

9. Rajasekar. K, Raja. B, "Investigation of flow pattern of spray from solid cone Nozzle", (FMFP 2020) International conference of Fluid Mechanics and fluid Power, 2020, IIT Guwahati, pp. 157.

10. Rajasekar. K, Raja. B, "Numerical Investigation of pure single water droplet using Eulerian-Lagrangian Approach", (ICAME 2020) International Conference on Advances in Mechanical and Industrial engineering, 2020, KIIT Bhubaneshwar

11. Muneeshwaran M, Srinivasan G, Wang C. C and Raja B. Numerical analysis of heat and mass transfer behaviour of mannitol during freeze drying in vial. International Conference on Innovations in Thermo-Fluid Engineering and Sciences (ICITFES), NIT Rourkela, India, 10-11 February, 2020.

12. Srinivasan G, Muneeshwaran M and Raja B , Numerical and Experimental Study of Sublimation Dehydration of Water, 7th International Conference on Theoretical, Applied, Computational and Experimental Mechanics (ICTACEM 2017) - IIT Kharagpur

13. Srinivasan G and Raja B, Study on freeze drying of water and milk in a spherical shell, 7th International Conference on Theoretical, Applied, Computational and Experimental Mechanics (ICTACEM 2017) - IIT Kharagpur

14. S. Jain and B. Raja, Performance Analysis of a Vacuum Cooling Process, 3rd National Conference on Refrigeration and Air Conditioning (NCRAC-2013) IIT Madras, Chennai, 12-14 December 2013

15. P.Balachander, B.Raja and D.Mohan Lal, Experimental investigation of flow boiling heat transfer characteristics of refrigerants R134a and R404a in horizontal smooth tube, National Conference on Refrigeration and Air Conditioning (NCRAC 2011) IIT Madras, Chennai, 07-09 July 2011

16. P. Balachander, B. Raja, D. Mohan Lal, Boiling heat transfer characteristics of R-404A in a stratified two-phase flow, 37th National & 4th International Conference on Fluid Mechanics and Fluid Power, Dec 2010, IIT Madras, Chennai, India , Paper ID

17. Lazarus Godson, Vino Raj, B.Raja, and D. Mohan Lal, Measurement of Viscosity and Surface Tension of Silver-Deionized Water Nanofluid, 37th National & 4th International Conference on Fluid Mechanics and Fluid Power, Dec 2010, IIT Madras, Chennai, India , Paper ID FMFP201093.

18. B.Raja, D.Mohan Lal and R.Saravanan, Boiling Heat Transfer of R-134a and M09 Refrigerant Mixture in a Stratified Flow – A Comparison under Varied Heat Flux Condition, ISHMT-ASME Heat and Mass Transfer Conference 2010, IIT Bombay, Paper 10HMTC232.

19. B.Raja, D.Mohan Lal and R.Saravanan, Evaporative heat transfer coefficient of a HFC/HC refrigerant mixture under varied heat flux condition, National Conf. Ref. and AC., IIT Madras – 2009, Paper P-43. (Received the Best Paper Award)

20. P.Balachander, B.Raja and D.Mohan Lal, Investigation on oil return in an evaporator using HFC/HC refrigerant with mineral oil as lubricant, National Conf. Ref. and AC., IIT Madras – 2009, Paper P-41.

21. B.Raja, D.Mohan Lal and R.Saravanan, Evaporative heat transfer coefficient of a HFC/HC refrigerant mixture under varied heat flux condition – low heat and mass flux application, Int. Refrigeration and Air-conditioning conference at Purdue – 2008. Paper – 2194, p1-8.

1. D. Mohan Lal, S. Joseph Sekhar and B.Raja, A drop-in-substitute for R-12, Reference number : 457/CHE/2008