Shashi Prakash

Assistant Professor
PhD (Mechanical Engineering), IIT Patna
Areas of interest
Laser Material Processing, Micromachining, Microfluidics, Advance Manufacturing Methods

Dr. Shashi Prakash is currently working as an Assistant Professor in SEAS, Ahmedabad University, Ahmedabad, Gujrat. He holds a Ph.D. degree in Mechanical Engineering from Indian Institute of Technology Patna, Bihar, India. He obtained Masters in Production Engineering from Jadavpur University, Kolkata where he received university Gold Medal for securing first rank. He is the recipient of DST INSPIRE fellowship award from Government of India. Shashi's primary research area is Laser based machining and micromachining processes. He also has a keen interest in laser related processes for bio-microfluidics. 

Google Scholar Profile

ResearchGate Profile

Major Research Areas

  1. Laser Material Processing
  2. Laser Micromachining
  3. Advance Manufacturing Processes
  4. Laser based processing for bio-microfluidics
  5. Heat and Mass Transfer in Manufacturing Processes
  6. Manufacturing Science

Projects/Consultancy:

1. High throughput synthesis of nanoliposomes in microfluidic reactors for efficient delivery of anticancer drugs, PI: Sanjay Singh, Co-PI(s): Shashi Prakash, Ajay Karakoti and Dharmesh Varade, Funding agency: BRNS, Department of Atomic Energy, Government of India, Funding Amount: Rs. 31 lacs, 2019
2. CO2 laser cutting of thin glass sheets for microfluidic applications, PI: Shashi Prakash, Funding Agency: Ahmedabad University, Funding Amount: Rs. 2 lacs, 2019
3. Design, development and fabrication of suturing device for transoral endoscopic surgery, consulting to Kaizen Hospital (2019)

Journals
1. Shashi Prakash, Experimental investigation of surface defects in low-power CO 2 laser engraving of glass fiber-reinforced polymer composite, Polymer Composites, 2019; Wiley, 1-12, IF = 2.268
2. Shashi Prakash, Subrata Kumar, Pulse smearing and profile generation in CO 2 laser micromachining on PMMA via raster scanning, Journal of Manufacturing Processes, 2018; (31), 116-123, (SCI, IF = 3.462), DOI: https://doi.org/10.1016/j.jmapro.2017.
3. Shashi Prakash, Subrata Kumar, Fabrication of rectangular cross-sectional microchannels with a CO 2 laser and under-water fabricated copper mask, 94:180 - 192, 2017, Optics and Laser Technology, (Elsevier), (SCI, IF = 3.319), DOI:https://doi.org/10.1016/j.optlastec.2017.03.034
4. Shashi Prakash, Subrata Kumar, Experimental investigations and analytical modeling of multi-pass CO 2 laser processing on PMMA, Precision Engineering, 49 (2017) 220–234, (Elsevier), (SCI, IF = 2.685), DOI: https://doi.org/10.1016/j.precisioneng.2017.
5. Shashi Prakash, Subrata Kumar, Experimental and theoretical analysis of defocused CO 2 laser microchanneling on PMMA for enhanced surface finish. Journal of Micromechanics and Microengineering. 2017;(27):025003, (SCI, IF = 2.141), DOI:https://doi.org/10.1088/1361-6439/27/2/025003
6. Shashi Prakash, Subrata Kumar, Fabrication of microchannels on transparent PMMA using CO 2 Laser (10.6 μm) for microfluidic applications: An experimental investigation. International Journal of Precision Engineering and Manufacturing. 2015;16(2):361–366., (SCI, IF = 1.779) DOI: https://doi.org/10.1007 /s12541-015-0047-8
7. Shashi Prakash, Subrata Kumar, Profile and depth prediction in single-pass and two-pass CO 2 laser microchanneling processes. Journal of Micromechanics and Microengineering. 2015;25(3):035010., (SCI, IF = 2.141), DOI: https://doi.org/10.1088/0961317/25/3/035010
8. Shashi Prakash, Subrata Kumar, Fabrication of microchannels: A review. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. 2015;229(8):1273–1288., (SCI, IF = 1.752), DOI: https://doi.org/10.1177/095
9. Shashi Prakash, Bappa Acherjee, Arunanshu S. Kuar, Souren Mitra, An experimental investigation on Nd:YAG laser microchanneling on polymethyl methacrylate submerged in water. Proceedings of the Institution of Mechanical Engineers Part B Journal of Engineering Manufacture 04/2013; 227(4-4):508-519., (SCI, IF = 1.752) DOI:https://doi.org/10.1177/09544054124721
10. Shashi Prakash, Bappa Acherjee, Arunanshu S. Kuar, Souren Mitra, Robust Parameters Design and Optimization of an Underwater Nd:YAG Laser Microchanneling Process Using the Taguchi Method. Lasers in Engineering 01/2016; 33(1-
3):87-102., (SCI, IF = 0.469)
11. Bappa Acherjee, Debanjan Maity, Shashi Prakash, Arunanshu S. Kuar, Optimal Process Parameter Selection of Underwater Nd:YAG Laser Micro-channeling on PMMA by Firefly Algorithm and Flower Pollination Algorithm, Journal of Chinese Society of Mechanical Engineers, (accepted), (SCI, IF = 0.3)
12. Bappa Acherjee, Debanjan Maity, Shashi Prakash, Arunanshu S. Kuar, Optimal Process Parameter Selection of Underwater Nd:YAG Laser Micro-channeling on PMMA by Firefly Algorithm and Flower Pollination Algorithm, Journal of Chinese Society of Mechanical Engineers, 2018: 39 (5), pg: 515-533, DOI: 10.29979/JCSME
13. Shashi Prakash, Subrata Kumar, CO 2 Laser Microchanneling Process: Effects of Compound Parameters and Pulse Overlapping, IOP Conf. Series: Materials Science and Engineering 149 (2016) 012018, DOI: https://doi.org/10.1088/1757-899X/149/1/012018 (Scopus)
14. Shashi Prakash, Nitish Kumar, Subrata Kumar. Monte-Carlo Based Uncertainty Analysis For CO 2 Laser Micro-channeling Model. IOP Conf. Series: Materials Science and Engineering 149 (2016) 012125, DOI: https://doi.org/10.1088/1757-899X/149/1/012125 (Scopus)
15. Nitish Kumar, Shashi Prakash, Subrata Kumar. Studies of laser textured Ti-6Al-4V wettability for implants, IOP Conf. Series: Materials Science and Engineering 149 (2016) 012056, DOI: https://doi.org/10.1088/1757-899X/149/1/012056 (Scopus)
 

 

Book Chapters
1. Shashi Prakash, Subrata Kumar, Energy Based Analysis of Laser Microchanneling Process on Polymethyl Methacrylate (PMMA). In: Lasers Based Manufacturing. Springer; 2015. p. 239–253.
2. Shashi Prakash, Subrata Kumar, Microchannel fabrication via direct laser writing. In Microfabrication and Precision Engineering, Woodhead publishing (Elsevier) January, 2017, ISBN:978-0-85709-485-8, p 163.

 

Conferences
1. Shashi Prakash, Subrata Kumar, Dimensional Control Through Process Parameters In Microchannel Fabrication On PMMA With A CO 2 Laser, accepted for poster presentation at COPEN, 2017, IIT Madras (Dcember 7 - 9)
2. Shashi Prakash, Subrata Kumar, Energy Based Analysis of Laser Microchanneling Process on Polymethyl methacrylate (PMMA). In: All India Manufacturing Technology, Design and Research Conference (AIMTDR 2014), 2014, IIT Guwahati,
Assam, India; 2014.
3. Shashi Prakash, Subrata Kumar, Effects of compound parameters in CO 2 laser microchanneling of PMMA. In: International conference on Application of Lasers in Manufacturing, (CALM 2015). Pragati Maidan, New Delhi, India; 2015.
4. Shashi Prakash, Subrata Kumar, Parametric effects and dimensional predictions in CO 2 laser microchanneling on PMMA. In: International Conference on Advanced and Agile Manufacturing Systems (ICAM 2015), KNIT, Sultanpur; 2015.
5. Shashi Prakash, Subrata Kumar, Statistical and Analytical approaches for Depth and Profile Prediction in CO 2 Laser Microchanneling on Poly-methyl- methacrylate (PMMA). In: 3rd International Conference on Laser and Plasma Application in Materials Science (LAPAMS 2015); Kolkata.
6. Shashi Prakash, Bappa Acherjee, Arunanshu S. Kuar, Souren Mitra, Fabrication of Microchannels on Polymers Using Nd:YAG Laser. International Conference on Agile Manufacturing, IIT BHU,; 12/2012
7. Shashi Prakash, Bappa Acherjee, Arunanshu S. Kuar, Souren Mitra, Creating microchannels on polymers using underwater Nd:YAG laser processing. International Conference on Manufacturing Excellence, Amity University Uttar Pradesh, Noida, India, Noida, India; 03/2012
8. Shashi Prakash, Bappa Acherjee, Arunanshu S. Kuar, Souren Mitra, Parametric Analysis and Response Surface Modeling of Water Assisted Nd:YAG Laser Microchanneling of PMMA. An International Conference on PRECISION, MESO, MICRO, AND NANO ENGINEERING (COPEN), College of Engineering., Pune; 12/2011
9. Shashi Prakash, Subrata Kumar, CO 2 Laser Microchanneling Process: Effects of Compound Parameters and Pulse Over-lapping, IConAMMA 2016, Amrita University Bangalore.
10. Shashi Prakash, Nitish Kumar, Subrata Kumar, Monte-Carlo Based Uncertainty Analysis For CO 2 Laser Micro-channeling Model. IConAMMA 2016, Amrita University Bangalore.
11. Nitish Kumar, Shashi Prakash, Subrata Kumar, Studies of laser textured Ti-6Al-4V wettability for implants, IConAMMA 2016, Amrita University Bangalore.
12. Shashi Prakash, Nitish Kumar, Subrata Kumar, CO 2 Laser Microchanneling on Polymethyl methacrylate (PMMA) at different defocusing, COE Pune, AIMTDR 2016
13. Shashi Prakash, An Investigation of Low Power CO 2 Laser Micro-machining of Glass Fiber Reinforce Polymer Composite, ICRACM 2019, IIT BHU
14. P. Patel, P. Patel, K. Chaudhury, H. Vohra, S. Prakash, An investigation into surface milling operation accompanied by peltier chip cooling effect, STEM conference, Vibrant Gujarat 2019.
15. Ujjawal Modi, Shashi Prakash, Wettability of 3 D printed polylactic acid (PLA) parts, ICAMEN 2019, Manipal University, Jaipur

 

Poster Presentation
1. Shashi Prakash, Subrata Kumar, Microchannel fabrication on PMMA using CO 2 laser microchanneling. Research scholar day, 2014, IIT Patna.
2. Shashi Prakash, Subrata Kumar, Uncertainty analysis of CO 2 laser micromachining of PMMA based on Monte-Carlo method, Research scholar day, 2016, IIT Patna.

(Monsoon 2019)
1. Dynamics of machines
2. Manufacturing with Non-metals
3. Dynamics of machines lab
4. Product Realization

 

(Winter 2019)
1. Manufacturing Processes Lab
(Monsoon 2018)
1. Dynamics of machines
2. Manufacturing with Non-metals
3. Dynamics of machines lab

 

(Winter, 2018)
1. Manufacturing Processes Lab
(Monsoon 2017)
1. Fluid machines
2. Dynamics of machines
3. Dynamics of machines lab

Journal Reviewer (International)


1. Journal of Cleaner Production, Elsevier.
2. Journal of Process Mechanical Engineering, I Mech. E. Part E, SAGE Publishers
3. Journal of Engineering Manufacture, I Mech. E. Part B, SAGE Publishers.
4. Independent Journal of Management & Production
5. Journal of Laser Applications, Laser Institute of America (LIA)
6. Microsystem Technologies
7. International Journal of Chemical Reactor Engineering
8. Sensors and Actuators: Part B 
9. Nuclear Engineering and Technology
10. Materials and Manufacturing Processes
11. Optics and Laser Technology

Lectures and Industrial Visits

Delivered a lecture on worker's safety at Rajnagar Textile Mills, Ahmedabad.

Attended safety review committee meeting at Meghmani Industries, Ahmedabad.

  1. One Week Short Term Course on "Intellectual Property Rights (IPR)" at NIT Patna, April 12-16, 2016
  2. Fifteen days course on CNC machining by MTAB Ltd., Chennai
  3. One month summer training at DLW Varanasi.
  4. One week FDP on Additive Manufacturing at IIT BHU

Contact

220, School of Engineering and Applied Science,
Ahmedabad University,
Ahmedabad Education Society FP. 4,
Near Commerce Six Roads,
Navrangpura, Ahmedabad - 380 009, India

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