Dr. Deepu P

Dr. Deepu P
Assistant Professor
Ph.D, Indian Institute of Science
Ph: +91-612-302 8703
deepu[*AT]iitp.ac.in
https://sites.google.com/site/deepuprabhakaran85/
Research Areas
  • Hydrodynamic stability, Bio-physical aerodynamics, Multiphase flow
Courses taught at IIT P
  • 1. Hydraulic Engineering (CE2040, at IIT Palakkad) 2. Applied Mechanics Lab (ME2540, at IIT Palakkad) 3. Advanced Engineering Mathematics (MH503) 4. Advanced Heat Transfer (ME522) 5. Advanced Fluid Mechanics (ME521) 6. ME Workshop (ME110) 7. Thermo-Fluid Lab II (ME530) 8. Fluid Mechanics (CB203) 9. Fluid Mechanics (ME216) 10. Heat and Mass transfer (ME315) 11. Gas Dynamics and Propulsion (ME663)
Current Sponsored Projects
Sr. No. Title Principal Investigator Co-Principal Investigator Duration Sponsoring Agency Cost Status
1 Controlling the vibrational dynamics of fluid-carrying flexible tubes via acoustic irradiation Deepu P NA SERB-DST 26.5 Lakhs completed
2 Interfacial instability of a liquid layer flowing down on an inclined non-uniformly heated wavy substrate Deepu P NA 27.7 Lakhs ongoing
Professional Experience
  • May 2017-till date, Assistant Professor, Indian Institute of Technology Patna. Dec 2016 – May 2017, Visiting faculty, Indian Institute of Technology Palakkad. Aug 2016 – Dec 2016, Postdoctoral Fellow, International Centre for Theoretical Sciences, Bangalore. July 2015 – July 2016, Postdoctoral Fellow, TIFR Centre for Interdisciplinary Sciences, Hyderabad. Aug 2014 – June 2015, Postdoctoral Research Associate, Department of Mechanical and Aerospace Engineering, University of Florida. Dec 2013 – July 2014, Postdoctoral Research Associate, Interdisciplinary Centre for Energy Research, Indian Institute of Science. Nov. 2006 – July 2010, Scientist/Engineer SC, Indian Space Research Organization.
Awards & Honours
  • Professor B.K. Subba Rao Medal for best PhD thesis in Department of Mechanical Engineering, IISc. Secured 1st rank in B-Tech degree exam, Mahatma Gandhi University, 2006.
Member of Professional bodies
  • Indian Society for Heat and Mass Transfer
Books
    • A. Saha, P. Deepu, and S. Basu, “Transport Phenomena in Functional Droplets,” Ch. 4 in Applications Paradigms of Droplet and Spray Transport: Paradigms and Applications, Publisher: Springer Nature Singapore Pte Ltd., NY, USA, S. Basu et al. (eds.), 2018.
Publications / Journals / Conferences
  • Journal Articles

    1. Agrawal, A., Deepu, P., Usha, R., & Chattopadhyay, G. (2024). Impact of Wall-Slip on the Soluto-Marangoni Instability in a Two-Fluid system in a Channel-Creeping Flow Scenario. International Journal of Multiphase Flow, 104813.
    2. Aashish, R., Deepu, and Subrata Kumar. "Dynamics of a buoyant collapsible tube under a free surface." Experimental Thermal and Fluid Science (2024): 111168.
    3. K Sharma, P Deepu, S Kumar. Convective heat transfer inside a rotating helical pipe filled with saturated porous media. Heat Transfer Research 55 (10), pp. 19-37 (2024).
    4. Vivek Kumar, Ashwani Assam, Deepu Prabhakaran; Dynamics of a wall-mounted cantilever plate under low Reynolds number transverse flow in a two-dimensional channel. Physics of Fluids 1 August 2023; 35 (8): 083605
    5. Hasan, M. S., Deepu, P., Kumar, K., Agrawal, A., & Meena, D. K. (2023). Oscillation decay of a pendulum by an air jet. Physics Letters A, 129003.
    6. Sharma, S Kumar, P. Deepu, Forced convection in magneto hydrodynamic flow through channels and ducts filled with porous medium, ISME Journal of Thermofluids, Vol 8 No.1, 2022 pp. 10-18.
    7. Sharma, P. Deepu, S Kumar, Magnetohydrodynamic flow and heat transfer filled with homogeneous and heterogeneous porous medium. Heat Transfer Research 54(5):35–53 (2023)
    8. Kamlesh Kumar and Deepu Prabhakaran, "Dynamics of a collapsible tube with internal constriction", Physics of Fluids 34, 121905 (2022)
    9. Hasan, M., Hoskoti, L., Deepu, P., & M Sucheendran, M. (2022). Nonlinear oscillations of a flexible fiber under gravity waves. The European Physical Journal Special Topics, 1-10.
    10. Kumar, K., & Prabhakaran, D. (2022). Nonlinear oscillations of a collapsible tube subjected to unsteady external pressure. Physics of Fluids34(6), 061907.
    11. Kumar, K., Kumar, V., Deepu, P., & Ramya, P. (2021). Oscillations of a flexible filament under surface gravity waves. Physical Review Fluids, 6(11), 114004.
    12. Singh, Ankit, and Deepu. "Effect of Coriolis force on the linear stability of subaqueous dunes with erodible and non-erodible beds." Physics Letters A(2021): 127745.
    13. Kuldeep, S. Samir, and P. Deepu, Sectional analysis of revolving wings: Effect of leading-edge and trailing-edge vortices. European Journal of Mechanics-B/Fluids 89, (2021) Pages 115-125.
    14. K. Sharma, P. Deepu, S Kumar, Convective heat transfer in a tube filled with homogeneous and inhomogeneous porous medium. International Communications in Heat and Mass Transfer 117 (2020) 104791.
    15. Pandey, K., Prabhakaran, D., & Basu, S. (2019). Review of transport processes and particle self-assembly in acoustically levitated nanofluid droplets. Physics of Fluids, 31(11), 112102. (Featured Article)
    16. P Deepu, “Cochlear mechanics with fluid viscosity and compressibility,” Physical Review E 99, 032417 (2019) Selected in Physical Review Kaleidoscope of April 19.
    17. P Deepu, “Modeling the production of belly button lint,” Scientific Reports 8 (1), 14472, 2018 (work was highlighted by DDNewsOnline, medicalhealthnews.net).
    18. P Deepu, Chang Peng, and Saeed Moghaddam. "Dynamics of ultrasonic atomization of droplets." Experimental Thermal and Fluid Science 92 (2018): 243-247.
    19. S. Ravichandran, P. Deepu and R. Govindarajan, “Clustering of Heavy Particles in Vortical Flows: A Selective Review,” Sadhana - Academy Proceedings in Engineering Science 42(4), pp. 597-605, 2017.
    20. P. Deepu, S. Ravichandran and R. Govindarajan, “Caustics-induced coalescence of small droplets near a vortex,” Physical Review Fluids 2, 024305, 2017.
    21. P. Deepu, Srinivas Kallurkar, Prateek Anand and S. Basu, “Stability of a liquid film flowing down an inclined anisotropic and inhomogeneous porous layer: An analytical description,” Journal of Fluid Mechanics 807, pp. 135–154, 2016.
    22. P. Deepu, P. Anand, and S. Basu, “Stability of Poiseuille Flow in a fluid overlying an anisotropic and inhomogeneous porous layer,” Physical Review E 92, 023009, 2015.
    23. L. K. Bansal, P. Deepu, and S. Basu, “Experimental analysis of water vapor diffusion through porous membranes in a PEM fuel cell,” ASME Journal of Heat Transfer 137, 12, 121005, 2015.
    24. P. Deepu, S. Dawande and S. Basu, “Instabilities in a fluid overlying an inclined anisotropic and inhomogeneous porous layer,” Journal of Fluid Mechanics (JFM Rapids), 762, R2, 2015.
    25. P. Deepu and S. Basu, “Effect of evaporation and agglomeration on droplet shape oscillations,” Chemical Engineering Science (Short Communication), 119, pp. 212-217, 2014.
    26. P. Deepu, S. Chowdhuri and S. Basu, “Oscillation dynamics of sessile droplets subjected to substrate vibration,” Chemical Engineering Science, 118, pp. 9-19, 2014.
    27. P. Deepu, S. Basu and R. Kumar, “Multimodal Shape Oscillations of Droplets Excited by an Air Stream,” Chemical Engineering Science, 114C, pp. 85-93, 2014.
    28. P. Deepu and S. Basu, “Spectral response of a droplet in pulsating external flow field,” Physics of Fluids, 26, 022103, 2014.
    29. P. Deepu, S. Basu and R. Kumar, “Dynamics and Fracture of ligaments from a droplet on a vibrating surface,” Physics of Fluids, 25, 082106, 2013.
    30. B. Pathak, P. Deepu, S. Basu and R. Kumar, “Modeling of agglomeration inside a droplet with nanosuspensions in an acoustic field,” International Journal of Heat Mass Transfer (Short Communication), 59, pp. 161-166, 2013.
    31. P. Deepu, S. Basu and R. Kumar, “Vaporization Dynamics of Functional Droplets in a Hot Laminar Air Jet,” International Journal of Heat Mass Transfer, 33, Issues 1-22, pp. 69-79, 2013.
    32. P. Deepu, S. Basu, A. Saha and R. Kumar, “Spreading and Atomization of Droplets on a Vibrating Surface in a Standing Pressure Field,” Applied Physics Letters, 101, 143108, 2012.

    Peer Reviewed Conference Articles

    1. Md Shadab Hasan, Kamlesh Kumar and P.Deepu,” Response of a Partially Submerged Pendulum Under Gravity Waves ” 9th International and 49th National Conference on Fluid Mechanics and Fluid Power (FMFP-2022) ,Roorkee, Uttarakhand, India.
    2. Sharma, K., Kumar, S., Deepu, P. “Forced convection in magnetohydrodynamic flow through channels and ducts filled with porous medium” 20th ISME Conference on Advances in Mechanical Engineering (19th -21st May, 2022) Rupnagar, India, 2022.
    3. Sharma, K., Deepu, P., Kumar, S.,“Convection slip flow in a microchannel filled with homogeneous and heterogeneous porous medium” American Physical Society Division of Fluid Dynamics Conference (19th -21st Nov, 2022) Indianapolis, USA.
    4. Sharma, K., Deepu, P., Kumar, S., “Velocity Slip and Temperature Jump in Homogeneous and Heterogeneous Porous Medium” 9th International and 49th National Conference on Fluid Mechanics and Fluid Power (FMFP) (14 -16th Dec, 2022), Roorkee, Uttarakhand, India.
    5. Agrawal, A., Deepu, P. Parametric Study on Marangoni Instability in two-layer Creeping Flow. Fluid Mechanics and Fluid Power (2022, December 14-16), IIT Roorkee, Uttarakhand, India.
    6. Kumar, K., Deepu, P., “Response of a collapsible tube carrying flow with and without stenosis”, Fluid Mechanics and Fluid Power (FMFP-2022) conference held on (Dec 14-16, 2022) Roorkee, India.
    7. Kumar, K., Deepu, P., “Response of a collapsible tube carrying flow with and without stenosis”, American Physical Society Division of Fluid Dynamics (APS DFD-2022) conference held on (Nov 19-21, 2022) Indianapolis, USA.
    8. Kumar, K., Deepu, P., “Dynamics of aquatic plants interacting with waves” Oceans Conference and Exposition held on (Oct 17-20, 2022) Hampton Roads, USA.
    9. Vivek Kumar, Ashwani Assam, and Deepu P. “Dynamics of 2D Elastic Cantilever Plate placed in a Channel at low Reynolds number transverse Flow”. Proceedings of the 27th National and 5th International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC), Dec 14-17, 2023, IIT Patna, Patna-801106, Bihar, India. (Accepted)
    10. Agrawal, A., Deepu, P. Usha, R. “Effect of Slip on Marangoni Instability in two-layer Creeping Flow”. Fluid Mechanics and Fluid Power (2023, December 20-22), IIT Jodhpur, Rajasthan, India. (Accepted)
    11. MS, Hasan., Deepu, P., Kumar, K., Kumar, S. Dynamics of oscillating pendulum in an air jet. Fluid Mechanics and Fluid Power (2023, December 20-22), IIT Jodhpur, Rajasthan, India.
    12. Aashish, R., Deepu, P., Kumar, K., Kumar, S. Fluid-structure Interaction of a Collapsible Tube Under the Effect of Buoyancy. Fluid Mechanics and Fluid Power (2023, December 20-22), IIT Jodhpur, Rajasthan, India.
    13. Agrawal, A., Deepu, P. (2024, March 03-08). Role of slip on Marangoni instability in two-layer creeping flow. Bulletin of the American Physical Society 2024, Minneapolis Convention Center, Minneapolis, Minnesota, United States.
    14. Md Shadab Hasan,  P.  Deepu,  Kamlesh Kumar (2024, March 4-8). Nonlinear oscillations of a fully submerged buoyant pendulum under gravity waves. American Physical Society March Meeting 2024, Minneapolis Convention Center, Minneapolis, Minnesota, United States.
    15. P. Deepu, S. Basu and R. Kumar, “Vaporization Dynamics of Functional Pendant Droplets in a Hot Laminar Air Jet,” Paper #2-011, Proc. 22nd National Conf. on IC Engines and Combustion, Calicut, Dec 10-13, 2011.
    16. P. Deepu, S. Basu, B. Pathak, R. Kumar, “Vaporization of Functional Pendant Droplets in Convective Environment,” Paper # ISHMT_IND_16_037, Proc. 10th ISHMT-ASME Heat and Mass Transfer Conference, Chennai, Dec 27-30, 2011.
    17. P. Deepu, A. Saha, S. Basu and R. Kumar, “Shape Deformation and Atomization of Functional Droplets in Contact with a Vibrating Surface,” ICLASS 2012, 12th Triennial International Conference on Liquid Atomization and Spray Systems, Heidelberg, Germany, September 2-6, 2012.
    18. P. Deepu, S. Basu, and R. Kumar, “Characteristics of surface ligaments on ultrasonically excited droplets,” 8th World Conferences on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics, Lisbon, Portugal, June 16-20, 2013.
    19. A. Sanyal, S. Basu, P. Deepu, R. Kumar, “Orthogonal modes of thermally induced oscillations of an acoustically levitated droplet,” 8th World Conferences on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics, Lisbon, Portugal, June 16-20, 2013.
    20. R. Kumar, P. Deepu and S. Basu, “Spreading and atomization dynamics of ultrasonically excited droplets,” Bulletin of the American Physical Society, 58, 2013.
    21. S. Basu, P. Deepu and S. Chowdhuri, “Manipulating the breakup dynamics of a droplet by lading nanoparticles in the liquid phase,” Bulletin of the American Physical Society, 58, 2013.
    22. P. Deepu, S. Basu and R. Kumar, “Shape oscillations of droplets suspended in an air jet at intermediate Reynolds numbers,” Paper # HMTC1300071, Proceedings of the 11th International ISHMT-ASME Heat and Mass Transfer Conference, Kharagpur, Dec 28-31, 2013.
    23. R Govindarajan, S Ravichandran, S Ray and P Deepu, “Caustics and collisions of inertial particles,” Bulletin of the American Physical Society 60, Baltimore, March 14-18, 2016.
    24. Krishan Sharma, Subrata Kumar and P Deepu, “Numerical Study on Helical Pipe Filled with and without Porous Media” Paper # IHMTC-HTE-640, 25th National and 3rd International ISHMT-ASME Heat and Mass Transfer Conference (IHMTC -2019), Roorkee, December 28-31, 2019.
    25. Kamlesh Kumar and Deepu P , “Effect of spatio-temporal variation of external pressure on the dynamics of a collapsible tube” Paper # IHMTC-HTE-737, 25th National and 3rd International ISHMT-ASME Heat and Mass Transfer Conference (IHMTC -2019), Roorkee, December 28-31, 2019.