Air Breathing Engines and
Aerospace Propulsion
Proceedings of NCABE 2004
05-07 November 2004
EDITORS
B.N. Raghunandan
Charlie Oommen
R.K. Sullerey
Organised by
INDIAN INSTITUTE OF TECHNOLOGY KANPUR
Allied Publishers Pvt. Limited
New Delhi Mumbai Kolkata Lucknow Chennai
Nagpur Bangalore Hyderabad Ahmedabad
Contents
List of Reviewers
Committees
Preface
v
xi
xiii
COMBUSTORS (EXPERIMENTAL)
1.
Altitude Relight Characteristics of an Aero Gas Turbine
Combustor
R.K. Mishra
2. Re-Circulating Flow Dynamics Inside a Dump Combustor
S. Nigam, D. Ahmed, A. Kushari and D.P. Mishra
12
3. Spectroscopic Analysis of a Premixed LPG-Air Flame
Robin Gupta, Vinkish Garg and A. Kushari
23
4. Direct Drop Size Measurement of a Cryogenic Spray
Hrishikesh Ganu, Santosh Kumar Sahoo and
B.N. Raghunandan
33
5. Estimation of Overall Total Pressure Loss of an Annular
Combustor by Water Tunnel Experiments
46
Dalton M. and C. Badarinath
COMBUSTORS/JETS (THEORETICAL)
6. A Preliminary Design and Analysis of Annular Gas Turbine
Combustor Using Control Volume Approach
Ramanand Singh, Venkataraman Shankar,
Keshav Kant and B.P. Pundir
7. Nonlinear Dynamic Analysis of a Thermal Pulse Combustor
Achintya Mukhopadhyay, Subhashis Datta and
Dipankar Sanyal
59
70
xW
Contents
8. CFD Analysis of an Afterburner System with Inlet Swirl
Under Isothermal Condition
Ganesan S., Kishore Kumar S., Venkataraman Shankar
and Ganesan V.
9. Multi-Dimensional Modeling in a Gas Turbine Combustor
Atul Singhal and R.V. Ravikrishna
10. Numerical Investigation of Moderately Under-expanded
Turbulent Free Jets
79
95
105
E. Rajakuperan and V. Ashok
CONTROLS
11. An Approach to Controller Synthesis for Twin Spool
Aircraft Gas Turbine Engine
S. Srivastava, V. Kulkarni and S.R. Balakrishnan
117
12. Hardware in the Loop Simulation for Verification of
Control Laws of Digital Control System for Gas Turbine
Engine
Tarun Uppal, Anoop Kohli, S. Kathiresan and Vaman
Kulkarni
130
13. Uncertainty Analysis of Propellant Gauging System for
Spacecraft
141
Amit Lai and B.N. Raghunandan
COMPRESSORS
14. Aerodynamic Studies on Swept Blades for Axial Flow
Fan/Compressor
Bhaskar Roy and Manish Chouhan
15. Secondary Flow Control Using Vortex Generator Jets:
Physical Mechanism
A.M. Pradeep and R.K. Sullerey
16. Feasibility Study of Tandem Blades Using Mises Code
Bhaskar Roy and M. Pankaj Mallik
159
175
188
Contents xvli
17. Stability and Control Analysis of Centrifugal Compressor
Manas Pradhan, Ramamurthy, S. and
Mayavanshi, V.K.
18. Aerodynamic Design and Analysis of a 1.6 Pressure Ratio
Transonic Axial Flow Compressor Stage
Q.H. Nagpurwala, S.R. Chaudhary and
S. Sangamnath
206
222
DESIGN/ENGINES
19. Design of Wind Back Seals for Use in Compressor
Test Rigs
Harikrishnan A.G., M.Z. Siddique and
K. Radhakrishnan
20. Sensitivity Analysis of Critical Labyrinth Seals of
Aero-Engines
M. Srikanth, V. Sethu Manavalan and
N. Nanjunda Rao
21. 5-Axes Levitation of a Rotor Towards Indigenisation of the
Magnetic Bearing Technology
S. Jana, V. Arun Kumar and M. Ananda
22. Application of Layer Damping Technique
- An Experimental Study
K.S. Nagendra, V. Arun Kumar, S. Jana and
Mahesh Mesta
23. In-flight Liquid Oxygen Collection Systems for AirBreathing Hypersonic Vehicle
D.P. Rao, A. Bhowal, S. Pandey and R. Gopalaswami
24. Ram Air Induction Phenomina in Wankel Engines
Murthy, V. Sarveswaran and Y.V.S. Murthy
25. Effect of Fuel/Oil Discipline on Aero Engines:
A Case Study
B.S. Vedaprakash, G. Gouda, S. Narayana Swamy and
C. Jagadish Babu
241
250
263
275
289
302
315
xvlil
Contents
26.
Engine Health Monitoring: A Tool for Small Gas
Turbine Life Extension
Nishikant Tamrakar, L.N. Raghavendra and
Y.V.S. Murthy
332
FLOW & HEAT TRANSFER
27. Review of Stealth Technology and Aircraft IR Signatures
G.A. Rao and S.P. Mahulikar
28.
Effect of Wall Heating on Flow Field of a Low Speed
Rectangular Wall Jet
345
359
G. Mahendra Perumal and B.T.N. Sridhar
29.
An Experimental Study of Heat Transfer for a Premixed
Flame Impinging Normally on a Flat Surface
Ankush T. Gathibandhe, Subhash Chander and
Anjan Ray
367
MANUFACTURE
30.
Investigations on Machining Critical Aero Engine Parts
Using Multi-Axis CNC EDM Technology
K. Srinivasulu, Vishal U. Bagade,
Neeraj K. Mishra and S. Sudhakar Reddy
31. Cutting Temperatures in Machining of Titanium Alloy
381
391
D.R.S.V. Varma, B.G. Nanda Gopal and
S. Sudhakar Reddy
32.
Advances in Materials for Kaveri Engine Development
Programme
399
Subrata Das, S.N. Narendra Babu and S.N. Ghosh
MISCELLANEOUS
33. An Experimental Investigation of Flapping Wing
Propulsion for Micro Air Vehicle (MAV)
V. Duriyanandhan, A. Muniappan and V. Baskar
415
Contents xlx
34.
35.
An Approach to Certification of Jet Fuel Starter for
Advanced Fighter Aircraft
S. Narayana Swamy, R.K. Jha and
B.S. Vedprakash
Development of a Three-Dimensional Two-Phase Flow
Solver on a Parallel Linux Cluster
427
440
R. Balu and V. Ashok
SCRAM JETS (EXPERIMENTAL)
36. Effect of Strut Based Cavities on Confined Supersonic
Flow Mixing
Rakesh Kumar, O.J. Shreenivasan, T. Sai Kumar,
R.I. Sujith and S.R. Chakravarthy
37. Supersonic Cold Flow Mixing Studies on Strut-based
Ramp Fuel Injectors
Rakesh Kumar, T. Sai Kumar, O.J. Shreenivasan,
R.I. Sujith and S. R. Chakravarthy
38.
Heat Transfer Analysis of a Scramjet Test Combustor
S. Kesav Kumar, S. Krishnamoorthy and
S.V. Subba Rao
39.
Study of Cavity Flow Field for Mixing Enhancement in
Supersonic Flows
M.C. Mohamed Ali and Job Kurian
40.
Experimental Studies on Strut Based Supersonic
Combustor Using Hydrocarbon Fuel with Pilot
Hydrogen
451
463
474
484
497
J.V.S. Murthy, B. Rajinikanth, C. Chandrasekhar,
B.V.N. Charyulu, Satish Kumar and M.Sambasiva Rao
41. Design and Theoretical Performance of an
Actively-Cooled Vitiated Air Heater for Testing
Scramjet Engine
R.D. Swami, S. Kumar and M. Sambasivarao
506
xx
Contents
SCRAM JETS (THEORETICAL)
42. CFD Simulations of Reacting Flow Field in a Strut Based
Scramjet Test Combustor
Sai Ganesan H. and Ganesh R.
517
43. Study of Strut Based Parallel Injection into Supersonic
529
Flow
Desikan S.L.N. and Job Kurian
44. Optimisation of an Inviscid Scram-jet Air-intake
Pankaj Priyadarshi, Vinod Kumar, V. Adimurthy,
Dipankar Das, Pradeep Kumar and V.K.Goyal
45. Conjugate Heat Transfer Analysis for Strut Used for Fuel
Injection in Scramjet Combustor
M.S.R. Chandra Murthy, A.K. Kachroo and
M. Sambasiva Rao
46. Transverse Liquid Jet Injection into a Supersonic Flow
541
552
563
Sumit Soni and Debasis Chakraborty
STRUCTURES
47. Fatigue Life Evaluation of Kaveri Engine By-Pass Duct
Ramakrishna Narayana Bhat, Niranjan Sarangi and
P. Ramesh
48. Fatigue Life Evaluation of Kaveri Engine HP Main Shafts
K.C. Sharma, P. Ramesh and G.V. Venkata Rao
49. New Approach for the Manufacture of the Photoelastic
Stress Analysis Models of Gas Turbine Engine Components
U. Chandrasekhar and K. Ramachandra
50. Bolted Jointed Stifness Studies - An Experimental
Approach
V. Arun Kumar, M.K. Rajaneesh, M. Radhakrishna and
S. Jana
573
579
589
601
Contents xxl
51. Feasibility Studies on Power Take Off Composite Shaft
V. Arun Kumar, Shashidhar U.G., S. Jana,
V. Munirathnam and Mahesh Mesta
616
52. Preliminary Studies on the Thermo-Mechanical
Characteristics of Indigenously Developed Shape Memory
Alloy Wires
Lakshminarasima R., V. Arun Kumar, Soumendu Jana,
K.V. Ramaiah and S.K. Bhaumik
626
53. Finite Element Analysis of High Aspect Ratio Fan Blades
637
Sandeep Dhar, P. Seshu and B. Roy
TURBINE
54. Effect of Operating Pressure on Exit Temperature Traverse
of an Aero Gas Turbine Combustor
M.N. Bhat, R.K. Mishra and R.D. Navindgi
55. Effect of Inlet Wake and Blowing Ratio on Static Pressure
Distribution of a Turbine Rotor Linear Cascade Blade
Murari Sridhar, B.V.S.S.S. Prasad and N. Sitaram
56. The Dynamics of Laminar Separation Bubble and Its Control
Sourabh Diwan, S.J. Chetan and O.N. Ramesh
57. Unsteady Flow on the Suction Surface of a LP Turbine
Blade Due to Passing Wakes and Large Eddy Simulation
S. Sarkar and P.R. Voke
58. Effect of Blade Square Trailing Edge on the
Performance of a High Pressure Turbine Stage
S.V. Ramana Murty, T. Prabhakaran, R. Ganesh,
T.V. Krishnaiah and K.M.M. Swamy
651
658
674
685
697
SUBJECT INDEX
711
AUTHOR INDEX
715