Papers, Publications & Research Experience

Publications in Journals

1. Dynamic Stability Analysis of a Tethered Aerostat, Accepted for publication in AIAA Journal of Aircraft. Co-authored by Mr. A. Rajani, and Prof. Sudhakar, IIT Bombay.

2. Multi-disciplinary Shape Optimization of Aerostat Envelopes, Technical Note, AIAA Journal of Aircraft, Vol. 47, No. 3, May-June 2010. Co-authored by Mr. C. Vijayram, IIT Bombay.

3. A Comparative Study of Cognitive Strategies Used to Resolve Air Traffic Conflict between Air Traffic Controllers and General population using Eye Tracking Machine, Journal of Psychosocial Research, to appear in July-Dec 2010, co-authored by Dr. A. Taukari, Asst. Prof., Department of Psychology, K. J. Somaiya College, Mumbai, and Amit Kumar Garg, IIT Bombay.

4. Comparison of blowby characteristic of Conventional and Winged aerostats”, Communications in Aerospace System Design & Engineering, Vol.1, No. 1, online journal, www.casde.org, co-authored by Mr. A. Kanoria, SVIT Vasad, India, 2010.

5. Design of an Aerostat Recovery Device (ARD) in case of Accidental Breakage of Tether, Communications in Aerospace System Design & Engineering, Vol.1, No. 1, online journal, www.casde.org, co-authored by Mr. C. S. Bhat, BITS Pilani, India, 2010.

6. Constraint Analysis of a Transport Aircraft using Optimization, Communications in Aerospace Systems Design & Engineering, Vol. 1, No. 1, online journal, www.casde.org, co-authored by Mr. K. Moolchandani, PEC University of Technology, Chandigarh, India, 2010.

7. A methodology for arriving at the baseline specifications of a non-rigid airship, Technical Note, AIAA Journal of Aircraft, Vol. 45, No. 6, Nov-Dec 2008.

8. Constraint Analysis and Initial Sizing of a Transport Aircraft by Simulated Annealing, Journal of Iranian Aerospace Society, Vol 2, No. 2, June 2005, pp. 43-47

9. Flow Visualisation of an Upper Surface Blown Unmanned Aircraft, Journal of the Aeronautical Society of India, Vol. 52, No. 4, November 2000, pp. 239-245. Co-authored by Prof. S. D. Sharma, IIT Bombay.

10. Aircraft Configuration And Flight Profile Optimization Using Simulated Annealing, Aircraft Design, Vol. 2, 1999, pp. 239-255, Elsevier Science Limited, UK, Co-authored by Prof. J. P. Fielding, Cranfield University, UK.

11. A Model For Estimation Of Airport Related Costs Of Commuter And Regional Aircraft, Journal of The Aeronautical Society of India, Vol. 51, No. 2, May 1999, pp. 83-92.

12. CRISTO: A Code For Integrated Synthesis And Trajectory Optimization Of Commuter And Regional Aircraft, Paper 975542, Journal of Aerospace, Section 1, Transactions of SAE, pp 1504-1514, ISBN 0-7680-0296-6. Also presented at the AIAA/SAE World Aviation Congress, Anaheim, CA, USA, October 1997. Co-authored by Profs. J. P. Fielding and J. Snow of College of Aeronautics, Cranfield University, UK.

13. Economic Parameters In The Conceptual Design Optimization Of An Air-Taxi Aircraft, AIAA Journal of Aircraft, Vol. 32, No. 4, July-August 1995 pp. 696-702. Co-authored by Mr. S. D. Gogate, IIT Bombay and Mr. P. Arora, Tata Consultancy Services, India.

Papers in Conference Proceedings

International Conferences

Accepted for presentation

1. Multi-criteria Optimization of Unmanned Aerial Vehicle for Snow studies over Himalayas, 13^th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 13th -15th September 2010, Fort Worth, Texas, Co-authored by M. Dineshkumar, IIT Bombay.

2. Multidisciplinary Optimization of Aerostat Envelope Shape, 13th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 13th -15th September 2010, Fort Worth, Texas, Co-authored by J. Shah, NITK Surathkal and A. Mour, IIT Bombay

3. Multidisciplinary design optimization studies of a UCAV, 10th AIAA Aviation, Technology, Integration, and Operations (ATIO) Conference, 13th -15th September 2010, Fort Worth, Texas, Co-authored by A. Sathe, IIT Bombay.

4. Local precision navigation system based on pseudolites mounted on a swarm of UAVs, 10th AIAA Aviation, Technology, Integration, and Operations (ATIO) Conference, 13th -15th September 2010, Fort Worth, Texas, Co-authored by V. Chaugule, IIT Bombay.

5. Trade-off between facility utilization and service level of an airline MRO, 10th AIAA Aviation, Technology, Integration, and Operations (ATIO) Conference, 13th -15th September 2010, Fort Worth, Texas, Co-authored by T. Sanyal, and N. Rangaraj, IIT Bombay.

6. A Two-Level Scheme for Network Selection and Schedule Optimization of Cargo Airlines, 10th AIAA Aviation, Technology, Integration, and Operations (ATIO) Conference, 13th -15th September 2010, Fort Worth, Texas, Co-authored by F. Maul, TU Munchen and M. Agrawal, IIT Bombay.

7. Generation of Optimized Routes and Schedules for Surface Movement of Aircraft on Taxiways, 10th AIAA Aviation, Technology, Integration, and Operations (ATIO) Conference, 13th -15th September 2010, Fort Worth, Texas, Co-authored by P. Gupta and H. Subramanium, IIT Bombay.

8. Investigation of Strategies used by Air Traffic Controllers to reduce Cognitive Workload, 10th AIAA Aviation, Technology, Integration, and Operations (ATIO) Conference, 13th -15th September 2010, Fort Worth, Texas, Co-authored by K. Sharma, Airports Authority of India.

9. Design Fabrication and Operation of Low Cost Remotely Controlled Airship, 18th AIAA Lighter-Than-Air Systems Technology Conference, Seattle, Washington, USA, 4th–7th May 2009, Co authored by A. Gawale, A. A. Raina, IIT Bombay and Y. Jahagirdar, RIMA, Ahmednagar.

10. Low Cost Trans-river Aerial Ferry, 18th AIAA Lighter-Than-Air Systems Technology Conference, Seattle, Washington, USA, 4th–7th May 2009, Co-authored by S. Banerjee, A. A. Raina, Project Engineer, IIT Bombay.

11. Conceptual Design of an Airship using Knowledge Based Engineering, 18th AIAA Lighter-Than-Air Systems Technology Conference, Seattle, Washington, USA, 4th–7th May 2009, Co-authored by R. Joshi, and A. A. Raina, IIT Bombay.

12. Dynamic Stability Analysis of a Tethered Aerostat, 18th AIAA Lighter-Than-Air Systems Technology Conference, Seattle, Washington, USA, 4th–7th May 2009, Co-authored by A. Rajani and K. Sudhakar, IIT Bombay.

Presented / Appeared in Conference Proceedings

1. Optimal Collaborative Airborne Separation in Free Flight, Proceedings of the IISc Centenary International Conference and Exhibition on Aerospace Engineering (ICEAE 2009), 18th-22nd May 2009, IISc, Bangalore, India. Co-authored by Mr. Vishal Chaugule, IIT Bombay and Dr. S. Gomez, National University of Mexico.

2. Airships for connecting remote communities in the lower Himalayas, invited talk delivered at 6th International Forum on Air Transport in Remoter Regions, 28th -30th April 2009, Bergen, Norway.

3. Optimum Configuration Design for an unmanned aerial vehicle for snow cover evaluation, Proceedings of International Symposium on Snow & Avalanches (ISSA-09), 6-10 April 2009, Manali, India. Co-authored by Mr. Kansal, J., and Dr. Sarwade, R. N., SASE, Chandigarh.

4. Conceptual Design Of A High Altitude Aerostat For Study Of Snow Pattern, Proceedings of International Symposium on Snow & Avalanches (ISSA-09), 6-10 April 2009, SASE, Manali, India. Co-authored by Raina, A. A., and K. M. Bhandari, IIT Bombay.

5. Low Cost Wireless Internet Access for Rural Areas using Tethered Aerostats, Proceedings of 2008 IEEE Region 10 Colloquium and the Third International Conference on Industrial and Information Systems, 8th -10th December 2008, IIT Kharagpur, Co-authored by A. A. Raina, P. Bilaye, V. N. Gawande, and U. B. Desai, IIT Bombay.

6. Design and Fabrication of an Aerostat for Wireless Communication in Remote Areas, Proceedings of AIAA 7th AIAA Aviation, Technology, Integration, and Operations (ATIO) Conference and 17th Lighter-Than-Air Systems Technology Conference, September 2007, Belfast, Northern Ireland, UK, Co-authored by A. Gawale, Project Engineer, IIT Bombay.

7. Multidisciplinary Shape Optimization of Aerostat Envelopes, Proceedings of AIAA 7th AIAA Aviation, Technology, Integration, and Operations (ATIO) Conference and 17th Lighter-Than-Air Systems Technology Conference, September 2007, Belfast, Northern Ireland, UK, Co-authored by C. Vijayram, Sr. Engineer - Advanced Engineering, Ashok Leyland, Chennai, India.

8. Precision Navigation of Airborne Vehicles Using Pseudolites Mounted on Stratospheric Airships, Proceedings of AIAA 7th AIAA Aviation, Technology, Integration, and Operations (ATIO) Conference and 17th Lighter-Than-Air Systems Technology Conference, September 2007, Belfast, Northern Ireland, UK, Co-authored by B. Chandu, IIT Bombay.

9. Investigation of Strategies for Optimal Collaborative Airborne Separation in Free Flight Proceedings of AIAA 7th AIAA Aviation, Technology, Integration, and Operations (ATIO) Conference and 17th Lighter-Than-Air Systems Technology Conference, September 2007, Belfast, Northern Ireland, UK, Co-authored by V. Chaugule, IIT Bombay.

10. Airline network optimization and the application of Grey Theory, Proceedings of AIAA 7th AIAA Aviation, Technology, Integration, and Operations (ATIO) Conference and 17th Lighter-Than-Air Systems Technology Conference, September 2007, Belfast, Northern Ireland, UK, Co-authored by A. Singh, IIT Bombay.

11. Application of control systems techniques for airport capacity optimization, Proceedings of 11th World Conference on Transport Research (WCTR), 24-28 June 2007, WC Berkeley, USA. Co-authored by A. Rai, IIT Bombay.

12. Life Cycle Cost Modelling of Fighter Aircraft, Invited presentation in International Seminar on Trends in Product Life cycle Modelling, Simulation & Synthesis (PLMSS-06), 18-20 December 2006, Indian Institute of Science, Bangalore, India.

13. A methodology for determination of profitable range of operations of short-haul transport aircraft, Proceedings of ATRS-2006 World Conference of Air Transport Research Society, 26-28 May 2006, Nagoya, Japan. Co-authored by S. Choudhuri, IIT Bombay and A. Singh, IIT Bombay.

14. Improved model for estimation of terminal airspace capacity, Proceedings of ATRS-2006 World Conference of Air Transport Research Society, 26-28 May 2006, Nagoya, Japan. Co-authored by D. Bagg, IIT Bombay.

15. Evaluation of air network for short-haul travel - A case study based on heuristic approach, Proceedings of ATRS-2006 World Conference of Air Transport Research Society, 26-28 May 2006, Nagoya, Japan. Co-authored by B. Kodanda, NAL Bangalore.

16. Generic Methodology for Determination of Drag Coefficient of an Aerostat envelope using CFD, Proceedings of AIAA 16th Lighter-Than-Air Systems Technology Conference and Balloon Systems Conference, September 2005, Arlington, USA. Co-authored by S. M. Kale and P. Joshi, IIT Bombay.

17. Developing an air traffic complexity metric for Indian en-route airspace using a simulation model of controller workload, Proceedings of AIAA 16th Lighter-Than-Air Systems Technology Conference and Balloon Systems Conference, September 2005, Arlington, USA. Co-authored by A. Majumdar, and O. W. Ochieng, Imperial College London and K. Sharma, AAI, Mumbai.

18. FALCCM: A fighter aircraft LCC model for Indian conditions, Proceedings of AIAA 16th Lighter-Than-Air Systems Technology Conference and Balloon Systems Conference, September 2005, Arlington, USA. Co-authored by V. Ev. Jayakrishnan, ADA, Bangalore.

19. Multidisciplinary optimization of airship envelope shapes, Proceedings of 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 30th August - 1st September 2004, Albany, New York. Co-authored by T. Kanikdale and A. G. Marathe, IIT Bombay.

20. Structural Design of Mooring Mast for Remotely Controlled Airship, Proceedings of 5th International Convention of the Airship Association, August 2004, Oxford, England. Co-authored by S. M. Kale, IIT Bombay.

21. Design Studies of a Power plant System of Non-Rigid Airship, Proceedings of 5th International Convention of The Airship Association, August 2004, Oxford, England. Co-authored by A. C. Gawale, IIT Bombay.

22. Emerging Issues and Current Trends in Short haul Air Transportation, Proceedings of ATRS-2004, World Conference of Air Transport Research Society, July 2004, Istanbul, Turkey. Co-authored by B. Kodanda, NAL Bangalore.

23. Structural Design of Mooring Mast For Remotely Controlled Airship, 5th International Convention of The Airship Association, Oxford, England, August 2004, Co-authored by Mr. S. M. Kale, Project Engineer, IIT Bombay.

24. Design Studies Of a Power plant System of Non-Rigid Airship, 5th International Convention of The Airship Association, Oxford, England, August 2004, Co-authored by Mr. A. C. Gawale, Project Engineer, IIT Bombay.

25. Emerging Issues and Current Trends in Short haul Air Transportation, Accepted for presentation at ATRS-2004, World Conference of Air Transport Research Society, July 2004, Istanbul, Turkey.

26. Application of Stochastic Optimization Techniques in Aircraft Conceptual Design, Keynote Address delivered at AERO-2004, 2nd International conference of the Iranian Aerospace Society, February 2004, Isfahan, Iran.

27. A Methodology for Determination of Baseline Specifications of a Non-Rigid Airship, AIAA 3rd Aviation Technology, Integration and Operations (ATIO) Forum, November 2003, Denver, USA.

28. Modern Developments in Short-Haul Air Transportation, Keynote Address delivered at AERO-2000, 1st International conference of the Iranian Aerospace Society, December 2000, Tehran, Iran.

29. Constraint Analysis And Initial Sizing Of A Transport Aircraft By Simulated Annealing, Proceedings of AERO-2000, 1st International conference of the Iranian Aerospace Society, December 2000, Tehran, Iran.

30. On Generating Optimum Configurations Of Commuter Aircraft Using Stochastic Optimization Techniques, Proceedings of the Second On-line World conference on Soft Computing in Engineering Design and Manufacturing, June 1997. Co-authored by Ir. C. M. Kalker-Kalkman, Delft University of Technology, The Netherlands.

31. Optimization of Regional Aircraft Configurations from Passengers Perspective, Proceedings of the 20th Congress of the International Congress of Aeronautical Sciences, September 1996, Sorrento, Italy.

32. Optimal Trajectory And Configuration Of Commuter Aircraft With Stochastic And Gradient Based Methods, Proceedings of the 9th European Congress on application of Mathematics in Industry, June 1996, Copenhagen, Denmark. Co-authored by Ir. C. M. Kalker-Kalkman, Delft University of Technology, The Netherlands.

33. Application Of Stochastic Techniques For Aircraft Conceptual Design And Optimisation, Proceedings of the First World Congress on Structural and Multidisciplinary Optimisation, May-June 1995, Goslar, Germany.

34. Incorporation of Some Cost and Economic Parameters in the Conceptual Design & Optimization of an Air-Taxi Aircraft. Proceedings of the 5th AIAA / USAF / NASA / ISSMO Conference on Multi-disciplinary Design and Optimization, September 1994, Florida, USA. Co-authored by Mr. S. D. Gogate, IIT Bombay and Mr. P. Arora, Tata Consultancy Services.

35. Flow visualisation of a USB unmanned aircraft, Proceedings of the CEAS European Forum on High Lift & Separation Control, Bath, June 1994, UK, co-authored by Prof. S.D. Sharma, IIT Bombay

National Conferences

1. Application of Airships for Anti-Submarine Warfare, National Seminar on Emerging Technologies for Anti-Submarine Operations, 17-18 Nov 2009, ASW School, Southern Naval Command, Kochi, India.

2. Cognitive Workload Assessment of ATC Units: A case study in Mumbai Enroute airspace, National Seminar on ATM-Airlines-Airports Strategies to meet Safety, Economic and Environmental Challenges, 20-21 October, 2009, New Delhi.

3. Evaluation of High Altitude Unmanned Aerial Vehicle using RDS-Professional, Proceedings of the AEROTECH 2008 National Seminar on Recent Advances in Aerospace Technologies, Maintenance and Optimization, 14-15 November 2008, Chandigarh. Co-authored by M. S. Rodrigues, IIT Bombay and A. Munshi, TIET, Patiala.

4. A Methodology For Airport Sizing And Estimation Of Costs For Infrastructure, Proceedings of 21st National Convention of Aerospace Engineers on Infrastructure Development and Augmentation for Ground and Flight Testing of Aerospace Vehicle and Airport Services, 16th-17th November 2007, IIT Kanpur. Co-authored by A. Sharma and T. Thampy, IIT Bombay.

5. Multi-disciplinary Shape Optimization of Aerostat Envelopes, Keynote Address delivered at National Seminar on Strategic Applications of Lighter-Than-Air (LTA) vehicles at High Altitudes (SALTA-07), 12th-13th October 2007, SASE, Manali.

6. Design, Fabrication and Field Testing of an Aerostat system, Proceedings of National Seminar on Strategic Applications of Lighter-Than-Air (LTA) vehicles at High Altitudes (SALTA-07), 12th-13th October 2007, SASE, Manali. Co-authored by A. A. Raina, and A. Gawale, IIT Bombay.

7. Design, Fabrication and Field testing of Winch for Aerostat, Proceedings of National Seminar on Strategic Applications of Lighter-Than-Air (LTA) vehicles at High Altitudes (SALTA-07), 12th-13th October 2007, SASE, Manali. Co-authored by K. Bhandari, N. Wanjari, S. Kadam, G. Sequeira, BATU, Lonere.

8. A Critical Review of Global Regulations for Certification and Operation of Airships, Proceedings of National Seminar on Strategic Applications of Lighter-Than-Air (LTA) vehicles at High Altitudes (SALTA-07), 12th-13th October 2007, SASE, Manali. Co-authored by A. C. Gawale, IIT Bombay.

9. An MDO Approach to Shape Optimization of Aerostat Envelopes, DREAMS Conference, John Welch Technology Center, March 2007, Bangalore Co-authored by C. Vijayram, IIT Bombay.

10. A Methodology for Estimation of Capacity of Terminal Airspace, National Systems Conference, 16-17 December 2005, IIT Bombay, Mumbai. Co-authored by D. Bagg, IIT Bombay.

11. Critical Technologies for development of Stratospheric airships, National Conference on Strategies and Action Plan for development of Stratospheric Airship Technologies, June 18, 2005, Aerial Delivery R&D Establishment, Agra

12. Computer Based Models for evaluating ATM Systems & Concepts, National Seminar on Synergizing ATC-Airports-Airlines to Meet Contemporary Challenges In Civil Aviation, November 1 & 2, 2004, New-Delhi.

13. A Critical Review of Global Regulation for Certification and Operation of Airships, National Seminar on Military Aircraft Airworthiness, August 20-21, 2004, Co-authored by Mr. A. C. Gawale, IIT Bombay.

14. GIMTEP, A Generic Interpolation Model For Parametric Sizing Of Turboprop Engine Performance, 55th Annual General Meeting of The Aeronautical Society of India, Bangalore, December 17-18, 2003.

15. Structural Design Of Mooring Mast For Remotely Controlled Airship, 55th Annual General Meeting of The Aeronautical Society of India, Bangalore, December 17-18, 2003, Co-authored by Mr. S.M. Kale, YCCE, Nagpur.

16. Design Studies Of a Power plant System of Non-Rigid Airship, 55th Annual General Meeting of The Aeronautical Society of India, Bangalore, December 17-18, 2003, Co-authored by Mr. A. C. Gawale, IIT Bombay.

17. Design, Fabrication And Flight Testing Of Remotely Controlled Airship, National Conference on LTA Technologies, Aerial Delivery R&D Establishment, Agra, October 2002. Co-authored by Mr. A. C. Gawale, IIT Bombay.

18. A Comparative Evaluation of Operation of Airships and Helicopters in Uttaranchal, National Conference on LTA Technologies, Aerial Delivery R&D Establishment, Agra, October 2002. Co-authored by Mr. R.P. Gazder, IIT Bombay.

19. Airships as a Low Cost Alternative to Communication Satellites, National Conference on LTA Technologies, Aerial Delivery R&D Establishment, Agra, October 2002. Co-authored by Mr. S. Relekar, IIT Bombay

20. Estimation of Aerodynamic Characteristics of Un-Symmetrically Finned Bodies of Revolutions presented at the 28th Fluid Mechanics & Fluid Power Conference, Chandigarh, India, December 2001. Co-authored by Mr. P. Gill, IIT Bombay, and Mr. S. Malik, ADRDE, Agra.

21. Flow Visualization of an Upper Surface Blown Unmanned Aircraft Configuration, Proceedings of the National Aerodynamics Conference of The Aeronautical Society of India, Vikram Sarabhai Space Centre, Thiruvananthapuram, India, June 1999. Co-authored by Prof. S. D. Sharma, IIT Bombay.

22. Land And Water Based Microlight Aircraft For Hobby Flying, Proceedings of the National Seminar on Aerodynamic and Mechanical Decelerators and Inflatable Systems, Aerial Delivery R&D Establishment, April 1999, Agra. Co-authored by Mr. S. D. Gogate, IIT Bombay.

23. Estimation Of Airport Related Costs Of Commuter And Regional Aircraft, Proceedings of the Technical Session of the 49th Annual General Meeting of The Aeronautical Society of India, Mumbai, January 1998.

24. Flow Visualization of an Upper Surface Blown Cruise Missile, Proceedings of the 19th National Conference on Fluid Mechanics and Fluid Power, December 1992, Bombay, India.

25. Preliminary Feasibility Study Of An Upper Surface Blown Regional Transport Aircraft, Technical Session of 43rd Annual General Meeting of The Aeronautical Society of India, December 1991, Hyderabad

26. Preliminary Aerodynamic Design Studies of Stretching of a Turboprop Commuter Aircraft, Presented at 5th National Conference on Aerodynamics, June 1990, Pune. Co-authored by Prof. K. A. Damodaran, Aerospace Engineering Department, IIT Madras.

27. Periodical Flight Testing Of A Multi-Role Supersonic Combat Aircraft, Presented at the 1st National Seminar on Flight Testing, 1990, ASTE, Bangalore.

28. Computerized Weapon Integration Analysis System For Multi-Role Combat Aircraft, Proceedings of the National Conference on Application of Computers in Engineering, April 1990, Amravati, India.

Books / Chapters in Books

Transportation of goods and passengers to remote areas using airships, Chapter in G. Williams and S. Brathen, eds., Air Transport Provision in Remoter Regions, Ashgate Publishing Limited, 2010. (in press).

Soft Computing in Engineering Design and Manufacturing, P. Chawdhry, R. Roy, and R. K. Pant, eds., Springer Verlag London Limited, ISBN 3-540-76214-0, 1998