Birla Institute of Technology, Mesra
   
DR. SUDIP DAS
Professor , Space Engineering and Rocketry
Ph.D (BIT Mesra)
Contact Address
Residence Address Po: Naihati
Permanent Address BII/7 BIT Mesra
Phone (Office) 2275983
Phone Residence 9431178604
Email Id sudipdas@bitmesra.ac.in
   Joined Institute on : 16-Aug-2001

  Work Experience
 
Teaching : 15 Years

Research : 15 Years


  Professional Background
 
  1. National Aerospace Laboratories, Bangalore, India [Graduate Trainee Sep. 1998 to July 1999]
  2. Birla Institute of Technology, Mesra, Ranchi  [ Assistant Professor,  Aug. 2001 to Nov.2011]
  3. Birla Institute of Technology, Mesra, Ranchi  [ Associate Professor, Nov. 2011 to Sep. 2013]
  4. Technion, Israel Institute of Technology, Haifa, Israel [ Post Doctoral Fellow, Oct. 2013 to June 2015]

  Research Areas
 

Experimental  Aerodynamics


  Award and Honours
 
  1. GATE - 1998
  2. Editor : Joint Editor of Book “Fluid Mechanics and Fluid Power”, 2007
  3. Joint Organising Secretary, 22nd National Convention of Aerospace Engineers,    Nov. 27-29, 2008.
  4. Best Paper Award : The Aerospace Engineering Journal of Institution of Engineers (India), Vol. 91, May 2010 issue.
  5. Joint Organising Secretary, 25th National Convention of Aerospace Engineers,     Nov. 04-05, 2011.?
  6. The PBC (Planning and Budgetary Commission) Program for Fellowships for Outstanding Post-doctoral Researchers from China and India (2013-15), awarded in Technion's Faculty of Aerospace Engineering and partially Funded by Israel Council for Higher Education.
  7. Invited as an Experimental Aerodynamics Expert at the Faculty of Aerospace Engineering, Technion-Israel Institute of Technology, Haifa, Israel, for research collaboration activities during 3rd May - 1st  June 2016.
  8. Session Chair at the 46th AIAA Fluid Dynamics Conference of AIAA Aviation and Aeronautics Forum and Exposition 2016, Washington, D.C., USA, June 13-17, 2016.,
  9. Awarded with CICS Travel Fellowship from Centre for International Co-operation in Science, Chennai, to attend AIAA Conference in USA.
  10. Executive Member of Aerospace Division Board of the Institution of Engineers (India), Jharkhand State Center
  11. Reviewer of papers for publications in National / International Journal and Conferences

 


   Publications
 

1. Omprakash, P., Roy, A., Das, S., and Prasad, J. K., “Investigation of Incompressible Flow past a Two-Dimensional Wedge”, Journal of Aerospace Sciences and Technologies, Vol. 59, No. 4, Nov. 2007, pp. 229-245.

2. Das, S., and Prasad, J. K., “Effect of Cowl Deflection Angle in a Supersonic Air-Intake”, Defence Science Journal, Vol. 59, No. 2, Mar. 2009, pp. 99-105.

3. Das, S., and Prasad, J. K., “Flow Field  investigation of a Rectangular Air-Intake with cowl bending”,  Journal of Aerospace Sciences and Technologies, Vol. 61,  No. 2, May 2009, pp. 312-324.

4. Das, S., and Prasad, J. K., “Starting Characteristics of  Rectangular Supersonic Air-Intake with Cowl Deflection”, The Aeronautical Journal, Vol. 114, No. 1153, March 2010, pp. 177-189.

5. Das, S., and Prasad, J. K., “Unstart suppression and performance analysis of supersonic air-intake adopting bleed and cowl bending”, Journal of Institution of Engineers (I) - AS, Vol. 91, May 2010, pp. 27-35.

6. Das, S., Kumar, P., Ralh, M. K.,  Rao, R. K. M., Prasad, J. K., " Drag reduction of a hemispherical body adopting spike at supersonic speed", Jr. of Aerospace Sciences and Technologies, Vol. 65, No. 4, Nov 2013, pp. 313-325.

7. Sahoo, D., Das, S., Kumar, P., Prasad, J. K., "Effect of spike on steady and unsteady flow over a blunt body at supersonic speed", Acta Astronautica, Vol. 128, 2016, pp. 521-533.

8. Vignesh, R. P. S., Das, S., Kim, H. D., "Influence of vortex generator on cylindrical protrusion aerodynamics at various Mach numbers", Aerospace Science and Technology, Vol. 58, 2016, pp. 267-274.

9. Kumar, B. A., Kumar, P., Das, S., and Prasad, J. K., “Effect of Leading Edge Shapes on 81deg/45deg Double-Delta Wing at Low Speeds”, Proc. IMechE Part G: J Aerospace Engineering, DOI: 10.1177/0954410017724822 (Available Online on 8/8/2017)

10. Das, S., and Cohen, J., “Reducing Pressure Oscillations by change in Rear-Face Geometries at Subsonic and Transonic Speeds”, AIAA Journal, Article in advance. (https://doi.org/10.2514/1.J055895)

11. Bhumkar, Y. G., Kumar, P., Roy, A., Das, S., and Prasad, J. K., “Investigation of Incompressible Flow past Two Circular Cylinders of Different Diameters”, Defence Science Journal, Vol. 67, No. 5, Sep. 2017, pp. 487-496. DOI : 10.14429/dsj.67.11087

Conferences: After 2008

  1. Das,  S. and Prasad, J. K., "Characteristics of a Supersonic Air-Intake With Bleed", International Conf. on Aerospace science and Technologies, Bangalore, June 2008.
  2. Das,  S. and Prasad, J. K., "Flow field on a reentry capsule at supersonic speed", International Conf. on Aerospace science and Technologies, Bangalore, Jun. 2008
  3. Das,  S. and Prasad,  J. K., " Alleviation of unstart of supersonic inlet adopting  cowl deflection and bleed", 12th Asian Congress of  Fluid Mechanics, Daejeon, South Korea, Aug.18-21, 2008.
  4. Das,  S. and Prasad,  J. K., " Computation of flow field around reentry capsule at supersonic speed", 12th Asian Congress of  Fluid Mechanics, Daejeon, South Korea, Aug.18-21, 2008.
  5. Das,  S. and Prasad,  J. K., " Flow field around protrusions at supersonic speed", 12th Asian Congress of  Fluid Mechanics, Daejeon, South Korea, Aug.18-21, 2008.
  6. Surendra,  B., Das,  S., Kumar, P. and Prasad, J. K., " Investigation of flow field around a reentry capsule at supersonic speed", 22nd National  Convention  of  Aerospace  Engineers, Nov. 2008, BIT, Mesra, Ranchi.
  7. Das,  S., Prasad, J. K., Thakur, D. N. and Panneerselvam, S., " Flow field on a forebody of hypersonic research vehicle at supersonic speed", 22nd National  Convention  of  Aerospace  Engineers, Nov. 2008, BIT Mesra, Ranchi.
  8. Das,  S. and Prasad, J. K., "Effect of Mach number on the performance of mixed compression supersonic air intake", 22nd National  Convention  of  Aerospace  Engineers,  Nov. 2008, BIT Mesra, Ranchi.
  9. Kumar, P., Das, S. and Prasad, J. K., " Experimental and computational studies around blunt fins at supersonic speed", 22nd National  Convention  of  Aerospace  Engineers, Nov. 2008, BIT Mesra, Ranchi
  10. Das, S. and Prasad, J. K., "Effect of Mach number on the performance of mixed compression supersonic air intake", 22nd National  Convention  of  Aerospace  Engineers, Nov. 2008, BIT Mesra, Ranchi
  11. Nath, B.,  Kumar, P., Das, S. and Prasad, J., K., "Effect of Reynolds number over a blunted Delta wing at subsonic speed", 35th National Conference on Fluid Mechanics and Fluid Power,   PES Institute of Technology, Bangalore Dec. 2008.
  12. Singh, A., K., Das, S., Kumar, P. and Prasad, J., K., "Flowfield around two dimensional multiple cylinders at subsonic speed", 35th National Conference on Fluid Mechanics and Fluid Power,   PES Institute of Technology, Bangalore Dec. 2008.
  13. Das, S. and Prasad, J., K., "Effect of incidence on internal shock characteristics of a mixed compression supersonic air intake",  35th National Conference on Fluid Mechanics and Fluid Power,   PES Institute of Technology, Bangalore Dec. 2008.
  14. Nath, B., Das, S., and Prasad, J. K., “Flow field study on a 65deg. Blunted delta wing”, National Conference on Wind Tunnel Testing (NCWT-02), Bangalore, Mar. 2009.
  15. Das, S., and Prasad, J. K., “Effect of cowl bending and bleed on the starting characteristics of a supersonic air intake”, National Conference on Wind Tunnel Testing (NCWT-02), Bangalore, Mar. 2009.
  16. Ramakrishna, M., Kumar, P., Das, S., and Prasad, J. K., “Side Force on Slender Body at Large Angles of Attack for Different Nose Shapes”, Symposium on Applied Aerodynamics and Design of Aerospace Vehicle (SAROD 2009), Bangalore, India, Dec.  2009.
  17. Sreenivasulu, J., Epuri, S. K., Kumar, P., Das, S., and Prasad, J. K., “Experimental and Computational studies Over a Blunt Double Delta Wing”, Symposium on Applied Aerodynamics and Design of Aerospace Vehicle (SAROD 2009), Bangalore, India, Dec.  2009.
  18. Das, S., and Prasad, J. K., “Unsteadiness in Supersonic Air-Intake at Supercritical Condition”, Symposium on Applied Aerodynamics and Design of Aerospace Vehicle (SAROD 2009), Bangalore, India, Dec.  2009.
  19. Sreenivasulu, J., Das, S., Kumar, P., and Prasad, J. K., “Investigation of flow field over a blunt double delta wing”, 36th National Conference on Fluid Mechanics and Fluid Power, College of Engineering, Pune, Dec.  2009.
  20. Ramakrishna, M., Kumar, P., Das, S., and Prasad, J. K., “Computational and Experimental Studies on Slender Body at Large Angles of Attack”, 36th National Conference on Fluid Mechanics and Fluid Power, College of Engineering, Pune, Dec.  2009.
  21. Das, S., and Prasad, J. K., “Studies on Soft Unstart of Supersonic Air-Intake”, 36th National Conference on Fluid Mechanics and Fluid Power, College of Engineering, Pune, Dec.  2009.
  22. Epuri, S. K., Kumar, P., Das, S., and Prasad, J. K., “Flow field over a re-usable launch vehicle at subsonic speed”, 37th National & 4th International Conference on Fluid Mechanics and Fluid Power, IIT Madras, Chennai, India, Dec. 2010.
  23. MadhavSen, R., Kumar, P., Das, S., and Prasad, J. K., “Effect of angle of attack on slender body at subsonic speed”, 37th National & 4th International Conference on Fluid Mechanics and Fluid Power, IIT Madras, Chennai, India, Dec. 2010.
  24. Das, S., and Prasad, J. K., “Behaviour of Flow Unsteadiness in a Supersonic Air-intake with Throttles”, 37th National & 4th International Conference on Fluid Mechanics and Fluid Power, IIT Madras, Chennai, India, Dec. 2010.
  25. Reddy, S., Kumar, P., Das, S., and Prasad, J. K., “Flow Field in a Supersonic  Air-Intake with Ramp type Vortex Generators”, ASET 2011, National Conference on Expanding Frontiers in Propulsion Technology, LPSC, Mahendragiri, Tamil Nadu. June 2011.
  26. Ralh, M.K., KrishnaMohanRao, R., Das, S., Kumar, P and Prasad, J. K., “Effect of spike shapes on drag of hemispherical body at supersonic and hypersonic speed”, 25th National  Convention  of  Aerospace  Engineers, BIT, Mesra, Ranchi, November 2011.
  27. Vignesh Ram, P. S, Das, S., Kumar, P and Prasad, J. K., “Flow Field Investigation On Cylindrical Protrusion Of Different Heights With Vortex Generator At Supersonic Speed”, 25th National  Convention  of  Aerospace  Engineers, BIT, Mesra, Ranchi, November 2011.
  28. Karthikeyan, S., Kumar, P., Das, S and Prasad, J. K., “Effect of Fuselage on a Reusable Launch Vehicle at Subsonic Speed”, 25th National  Convention  of  Aerospace  Engineers, BIT, Mesra, Ranchi, November 2011.
  29. Rohit, R., Kumar, P., Das, S and Prasad, J. K., “Flow Field in the Interference Region of Multi Body at Supersonic Speed”, 25th National  Convention  of  Aerospace  Engineers, BIT, Mesra, Ranchi, November 2011.
  30. Jagadish Babu, V., Kumar, P., Das, S and Prasad, J. K., “Effect of Notched Cowl on the Flow Field inside a Supersonic Air-Intake”, Symposium on Applied Aerodynamics and Design of Aerospace Vehicle (SAROD 2011), Bangalore, India, November 2011.
  31. Kannamuthu, N.,  Das, S., Kumar, P and Prasad, J. K., “Flow Field around a Blunt Body with Spike at Supersonic Speed”, Symposium on Applied Aerodynamics and Design of Aerospace Vehicle (SAROD 2011), Bangalore, India, November 2011.
  32. Kumar, P., Srikanth, Ch., Das, S and Prasad, J. K., “Effect of trips on side force on slender body at large angles of attack”, Symposium on Applied Aerodynamics and Design of Aerospace Vehicle (SAROD 2011), Bangalore, India, November 2011.
  33. Venkatesan, M., Kannamanimuthu, N., Das, S., Kumar, P and Prasad, J. K., “Flow Field Investigation over a Hemispherical Blunt Body with Different Spikes at Supersonic Speed”, 38th National Conference on Fluid Mechanics and Fluid Power (NCFMFP-2011), National Institute of Technology, Bhopal, India, Dec. 2011.
  34. Vignesh Ram, P.S., Das, S., Kumar, P and Prasad, J. K., “Influence Of Vortex Generator On Flow Field Around Cylindrical Protrusion At Supersonic Speed”, 38th National Conference on Fluid Mechanics and Fluid Power (NCFMFP-2011), National Institute of Technology, Bhopal, India, Dec. 2011.
  35. Srinivasan, G., Kumar, R., Sinhamahapatra, K. P and Das, S., " Flow field studies over V-shaped rear face cavities at supersonic speed", 14th AeSI Annual CFD Symposium, August 10-11, 2012, Bangalore, India.
  36. Karthick, S. K., Das, S., Kumar, P., and Prasad, J. K., " Effect of ground proximity on the trajectory of a bullet at supersonic speed", 26th National Convention of Aerospace Engineers (NCAE-2012),  Andhra Pradesh State Centre, Hyderabad, Nov. 24-25, 2012.
  37. Jagadish Babu, V., Kumar, P., Das, S., and Prasad, J. K., " Studies of Supersonic Air-Intake with Notched Cowl", 26th National Convention of Aerospace Engineers (NCAE-2012),  Andhra Pradesh State Centre, Hyderabad, Nov. 24-25, 2012.
  38. David, N., Kumar, P., Das, S., and Prasad, J. K., " Investigation of Unsteady Flow across Double Delta Wing at Subsonic Speed", 26th National Convention of Aerospace Engineers (NCAE-2012),  Andhra Pradesh State Centre, Hyderabad, Nov. 24-25, 2012.
  39. Gahlot, N. K., Kumar, P., Das, S and Prasad, J. K., " Flow Field Studies of a Supersonic Air-Intake with Vortex Generators", Proceedings of the 39th Conference on Fluid Mechanics and Fluid Power, SVNIT Surat, Gujarat, India. Dec. 2012.
  40. Puja, S., Das, S., Kumar, P and Prasad, J. K., " Effect of bluntness on the reduction of drag using a spike at supersonic speed", Proceedings of the 39th Conference on Fluid Mechanics and Fluid Power, SVNIT Surat, Gujarat, India. Dec. 2012.
  41. Sivabharaty, S. J., Kumar, P., Das, S., and Prasad, J. K., " Effect of Apex flap deflection on double  delta  wing  at  subsonic speed", Proceedings of the 39th Conference on Fluid Mechanics and Fluid Power, SVNIT Surat, Gujarat, India. Dec. 2012.
  42. Sinha, J., Das, S., Kumar, P., Prasad, J., K., “Studies on an Axisymmetric supersonic Cavity with Front Wall Inclinations” Int proceeding of: 15th Annual CFD Symposium, 2013, IISc Bangalore
  43. Deepan J, Das, S., Kumar, P. and Prasad, J. K., “Flow field around cylindrical protrusion with vortex generators at supersonic speed” 3rd National Conference on Wind Tunnel Testing, VSSC, Trivandrum, August 2013.
  44. Sahoo, D., Das, S., Kumar, P. and Prasad, J. K., "Steady and unsteady flow over spiked blunt body at supersonic speed" 14th Asian Congress of Fluid Mechanics (14 ACFM), Hanoi, Vietnam, October 15-19, 2013
  45. Yuvaprakash, j., Kumar, P., Das, S. and Prasad, J. K., “Investigation of flow field on double delta wing with sharp leading edge at subsonic speed”, 27th National convention of Aerospace Engineers, Institution Engineers, Dehradun, November 2013.
  46. Sahoo, D., Das, S., Kumar, P. and Prasad, J. K., “Effect of Spike Length on Steady and Unsteady Flow Over a Spiked Blunt Body at Supersonic Speed” 6th International Conference Symposium on Applied Aerodynamics and Design of Aerospace Vehicles, Hyderabad, November 2013.
  47. Chopra, G., Das, S., Kumar, P. and Prasad, J. K., "Investigation of flowfield inside a supersonic air-intake with 3-D bump", 40th National Conference on Fluid Mechanics and Fluid Power, NIT Hamirpur, December 2013.
  48. Prem D., Das, S., Kumar, P. and Prasad, J. K., "Flow field over a reentry capsule with ventilation at supersonic speed", 40th National Conference on Fluid Mechanics and Fluid Power, NIT Hamirpur, December 2013.
  49. Das, S., and Cohen, J., "Influence of Circular Rear Face Geometry on the Cavity Flow Oscillations at M=0.7", 56th Israel Annual Conference on Aerospace Sciences (IACAS), Tel-Aviv & Haifa, Israel, March 9-10, 2016.
  50. Das, S., and Cohen, J., "Effect of Rear Face Geometry on the Open Cavity Oscillatory Flow at M=0.9", AIAA-2016-3175, 8th AIAA Flow Control Conference, Washington, D.C., USA, June 13-17, 2016
  51. Cohen, J., and Das, S., "Reducing of Cavity Flow Oscillations by Modifying its Rear Face at High Subsonic Speeds", 11th European Fluid Mechanics Conference (EFMC11), Seville, Spain, Sept. 12-16, 2016.
  52. Das, S., and Cohen, J., "Transonic cavity flows in the presence of a store release body", Proceedings of the 57th Israel Annual Conference on Aerospace Sciences (IACAS), Tel-Aviv & Haifa, Israel, March 15-16, 2017.
  53. Saranyamol, V. S., Krishna, T. V., Kumar, P., and Das, S., “Effect of flow impingement wall height on the pressure fluctuations over a rectangular cavity at supersonic speed”, Proceedings of the 1st National Aerospace Propulsion Conference NAPC-2017, March 15-17, 2017, IIT Kanpur.
  54. Reddy, B. H. V., Singh, R. K., Kumar, P., and Das,  S., “Investigation of steady and unsteady flow inside an air-intake at supersonic speed”, HST-68, 5th National Conference on Wind Tunnel Testing (NCWT-05), 16-17 March 2017, MIT Chennai.
  55. Gaurav, S., Das, S., Kumar, P., “Investigation of flow over a cone cylinder at high angles of attack at subsonic speed”, LST-16, 5th National Conference on Wind Tunnel Testing (NCWT-05), 16-17 March 2017, MIT Chennai.
  56. Roy, D., Das, S., Kumar, P., “Anhedral angle effect on a 76/40 degree double delta wing at subsonic speed”, LST-18, 5th National Conference on Wind Tunnel Testing (NCWT-05), 16-17 March 2017, MIT Chennai.

  Member of Professional Bodies
 

The Aeronautical Society of India

The Institution of Engineers (India)

The Indian Society for Technical Education

National Society Fluid Mechanics and Fluid Power

 


  Current Sponsored Projects
 

1. Experimental Investigation of Flow Field around Slender body at High Angles of Attack.
Sponsoring Agency : Aeronautics Research and Development Board (ARDB) 
July 2004 - July 2007

2. Investigation of Flow Field Interactions around Protrusions at Supersonic Speed.
Sponsoring Agency : Vikram Sarabhai Space Center (VSSC), ISRO.
Duration: 3 Years. ( Feb 2004 - Feb 2007)

3. Investigation of Flow Field around Double Delta Wing at Subsonic Speed.
Sponsoring Agency : Council of Scientific and Industrial Research, HRD.
Duration: 3 Years. (May 2010 - May, 2013)

4. Augmentation of Supersonic Wind Tunnel.
Sponsoring Agency : Aeronautics Research and Development Board, DRDO.
Duration: 3 Years. (Oct 2009 - Oct 2012)

5. Study of Flow Field inside Air-Intake with Flow Control.
Sponsoring Agency : Vikram Sarabhai Space Center (VSSC), ISRO.
Duration: 3 Years. (Jan 2011- Jan 2014)

6. Open Cavity Studies at Supersonic Speeds, RESPOND ISRO

Sponsoring Agency : Vikram Sarabhai Space Center (VSSC), ISRO.
Duration: 3 Years. (June 2016- Jan 2019)

 


  Text and Refrence Books
 

Title : Studies on a Rectangular Mixed Compression Supersonic Air-Intake

Publisher : LAP (Lambert Academic Publishing)

ISBN No: 978-3-659-28493-9



  Fellow
 

Fellow of Institution of Engineers (India)