Air Breathing Engines and Aerospace Propulsion Proceedings of the Fourth National Conference

Transcription

1 Air Breathing Engines and Aerospace Propulsion Proceedings of the Fourth National Conference 3-5 December 1998, Bangalore Under the auspices of National Committee for Air Breathing Engines (NCABE) Sponsored by Aeronautical Research & Development Board Gas Turbine Research Establishment Indian Institute of Science National Aerospace Laboratories

2 CONTENTS Foreword SECTION 1 Page No. INTERNAL FLOWS 1. Development of a CFD Code Flow through Turbomachine Passages IF - 1 S. Anil Lai, BVSSS Prasad, and N. Sitaram IIT, Madras, Chennai, 2. Parametric Study of Linear Configuration using CFD Tool IF - 9 Vimala Narayanan, S. Kishore Kumar, T. Venkatakrishnaiah, A.PHaran, S.G.A. Pasha G T R E, Bangalore 3. Effect of Free Stream Turbulence in External Aerodynamics IF-14 Kapil Gupta, Tapan K Sengupta, IIT, Kanpur 4. Static & Dynamic Characteristics Labrynth Seals. Effect of Physical IF - 24 Parameters P Chandrashekar, D. Rame Gowda and B, S. Prabhu IIT, Madras, Chennai 5. Characteristics of Flow through Sharp-Edged Cylindrical Orifices IF - 32 K Ramamurthi and K. Nandakumar LPSC, Trivandrum 6. Interaction Factor for Mixing of Jets in a Confined Space, IF - 42 S. Sankaran, and R. Natarajan IIT., Madras, Chennai B. H. Lakshamana Gowda IIT., Madras, Chennai 7. Mixing of High Speed Coaxial Jets IF - 47 ^? ISujith, R. Ramesh, S. Pradeep.S. Sriram and T. M. Muruganandam IIT., Madras, Chennai 8. Finite Element Computation of Viscous Flows in Supersonic Wind-Tunnel IF - 57 Sanjay Mittal, S. Yadav, S. Bajaj, V. Gupta IIT, Kanpur,

3 Page No. SECTION 2 AEROSPA CE PROPULSION 1. Flow Field Modelling of Ducted Rocket Engine AP - 1 B. V. Nagaraju and V Ramanujachari Institute of Armament Technology, Pune 2. Computational Study of Combustion in Sandwich Solid Propellants AP - 11 P. J. Paul, P. A. Ramakrishna and H. S. Mukunda IISc, Bangalore 3. Computation of Preignition 2-D Temperature Field in an AP-HPTB Sandwich AP - 22 Propellant B T N Sridhar and G. Padmanabham MIT, Anna University, Chromepet, Chennai 4. Low Temperature Propellant Ignition Studies under Conductive Heating AP - 29 Conditions KA Bhaskaran, V. Kushal Kumar and P. B. Umashankar IIT, Madras, Chennai 5. Studies on Freejets Tab Nozzles AP - 40 Yeshwant K. Murali M and Job Kurian IIT Madras, Chennai 6. Numerical Simulation of Flow Field in Plug Nozzle of an Ejector Ram Jet AP - 43 Vehicle V. Ashok, Pradeep Kumar, K. J. Devasia Vikram Sarabhai Space Centre, Thiruvananthapuram SECTION 3 HEAT TRANSFER 1. Numerical Prediction of Turbulent Flow & Heat Transfer Characteristics in a HT o Sharp Bend of Square Cross-Section with Rotational Buoyancy Effects G H. Bhat, A W Date IIT, Powai, Mumbai 2. Numerical Simulation of Film Cooling: Effect of Velocity Distribution at the HT - 6 Hole Exit SSarkar and Mahesh K. R. IIT, Kanpur 3. Estimation of Heat Transfer Co-Efficient Distribution in the Transitional HT-13 Boundary Layer Region on Turbine Blade Surface

4 Page No. V.Krishnamoorthy, and K. V.Parthasarathy Reddy 4. Thermal Transients of a High Pressure Compressor Casing HT - 22 V.Kesavan and Meera Kaushal 5. Measurement of Normal Emissivity & Surface Temperature Using a Radiation HT - 28 Pyrometer Vasudevan S.A., Batchu Suresh, Prakash B.S and Meera Kaushal 6. Development of a Groove Cooled Turbine Blade HT - 33 R. Lakshminanarayan, B. R. Pai and V. Krishnamoorthy, SECTION 4 COMBUSTION 1. Thermodynamic Irreversibilities & Energy Analysis in the Process of Spray CC - 1 Combustion in a Gas Turbine Combustor SKSom IIT, Kharagpur A. Datta Jadavpur University, Salt Lake Campus, Calcutta. 2. Influence of Inlet Pressure & Swirl on Combustion and Emission CC - 9 Characteristics of a Can Type Combustor A Datta Jadavpur University, Salt Lake Campus, Calcutta. S. K. Som IIT, Kharagpur 3. Combustion of Polymer Columns in Flowing Air Under Normal and CC-18 Microgravity S Okajima, S. Okada Hosei University, Tokyo, Japan B. N. Raghunandan IISc, Bangalore 4. Combustion Characteristics of very Lean Propane - Air Mixtures under CC-21 Microgravity S Okajima, S. Fukatsu, T. Kawakami Hosei University, Tokyo, Japan T. Sakuraya

5 Page No. Japan Space Utilization Promotion Center B. N. Raghunandan IISc, Bangalore. 5. A Study on De-Convolution of Line-of-Sight Data in Spray Measurements and CC - 25 its Applications S N Sridhara and B. N. Raghunandan IISc, Bangalore 6. Performance Optimization of Short Annular Aero-Gas Turbine Combustor CC - 34 Mishra R. K, Navindgi R. D., Muthuveerappan N., Bhat M. N., and Syed Aga Jan SECTION 5 TURBOMACHINES 1. Through Flow Analysis of Axial Flow Compressors TM - 1 RK Sullerey and P. K. Pandey IIT, Kanpur 2. Development of High Pressure Ratio Centrifugal Compressor Stage TM - 7 S Ramamurthy, S. Sankaranarayan, K. Murugesan, D. Ramachar and R. Rajendran 3. Wake Characteristics of a Heavily Loaded Axial Flow Compressor Rotor at TM - 14 Design N Sitaram IIT, Madras, Chennai 4. The Design & Performance of a Transonic Turbine for Aircraft Application TM - 23 P S Subramanian, H. S. Suresh, D. Roy, P.N.Jha, R.Ganesh, Joshy John, S. V.Ramamurthy, K. Venkataramani, S.A.Rao 5. Design & Development of High Turbomachines for Aircraft Cooling System TM - 30 Dr. A K Varma, Chief Manager (Design) ASERDC, HAL, Lucknow

6 Page No. SECTION 6 GASTURBINES 1. Development of a Fuel Metering System for a Jet Fuel Starter (JFS) GT - 1 R. C. Panda, P. Arunachalam & S. Rengaswamy Engine & Test Bed Research & Design Centre HAL, Bangalore 2. A Verification and Validation Rig for Full Authority Digital Engine Control GT - 10 System K. Venkataraju, A. N. Viswanatha Rao, G. S.'Vivekanand, A. G. Satheeratanam and K. S. Ramprasad 3. Design & Off-Design Performance Analysis of a Aero-Engine - GT-21 Ashutosh Katari, BITSPilani S Ramamurthy, and K. Murugesan 4. Design & Development of Distortion Screens for a Gas Turbine Engine Intake GT - 25 S. Ramamurthy, K. Murugesan, S.S.Sankaranarayanan and D. Ramachar 5. Static Tests on the 1:1 Scale LTA Air Intake & Oil Cooler Ducts GT - 32 M. S. Chidananda, S. Venkatesh, B. Jagannatha Rao, V. S. Krishna Kumar S. M. Seetharam, C. S. Srikanta Sharma Aerospace Design Engineers Pvt. Ltd. Bangalore 6. Design and Development of a Gas Turbine Combustor GT - 40 M. S. Chidananda, S. Venkatesh, B. Jagannath Rao, V. S. Krishna Kumar, T. R. Shembharkar, H. S. Muralidhara and B. R. Pai 7. Prediction of Combustion Behaviour under Engine Operating Conditions from GT - 51 Hot Flow Rig Testing R KMishra, M. N. Bhat, and Syed Aga Jan

7 SECTION 7 Page No. MECHANICAL ASPECT 1. Rotordynamics Coefficients & Stability of Journal Bearing Systems using MA - 1 Non-Newtonian Lubricants Raghunandana K and B. C. Majumdar Dept. of Mechanical Engg. IIT, Kharagpur 2. Support Characteristics of Squeeze Film Damper with Non-Newtonian Fluid MA - 7 VArun Kumar, M. Jayaraman. H P. Jagadeesh, G. R. Sreenivasa BMSCE, Bangalore. 3. Rotor Bearing Support System Design Considerations of a Power Turbine for MA - 12 Aero-Derivative Marine Engine Sreelal Sreedhar, NSVSN Prasad, S. Sowmia Narayanan, N. Nanjunda Rao ands. C.^Kaushal GTRE, DRDd, Bangalore 4. Stiffness Evaluation of Aero-Engine Squirrel Cage Bearing MA - 19 K. Anandavel, S. K. Patel, N. Nagaraj, K. Ramachandra 5. Some Investigations on Effect of Machining Parameters on Residual Stresses, MA - 30 Micro Structural changes & Dimensional Instability during Machining of Inconel 718 Nickel Based Super Alloy B K Subhas, Ramaraja Bhat, K. Ramachandra H K. Balakrishna UVCE, Bangalore 6. Simultaneous Optimization of Machining Parameters for Dimensional MA - 35 Instability Control in Aero-Gas Turbine Components made of Inconel 718 Alloy B. K. Subhas, Ramaraja Bhat, K. Ramachandra H K. Balakrishna U.V.C.E, Bangalore University Bangalore 7. Mechanical Design of Bypass Casing for Aero-Gas Turbine MA - 35 K. S. Shivakumar Aradhya, Rudra Goud, S. K. Patel, N. Leela and K. Ramachandra

8 SECTION 8 Page No. MECHANICAL RELIABILITY 1. Rotating Machinery Condition Monitoring using Expert System MR - 1 M. Sarath Kumar and B S Prabhu Machine Dynamics Laboratory, IIT, Madras, Chennai 2. Damage Tolerance Approach for Aero-Engine Components MR - 7 S. K. Patel, K. Ramachandra Structural Integrity and Mechanical Analysis Group B. Dattaguru IISc, Bangalore 3. Analysis of In-Service Failure Data for Enhancement of Aero-Engine MR-21 Reliability - A Case Study A. Sakthivel, S. Narayanaswamy, V. Unnikrishnan Regional Centre for Military Airworthiness (Engines) 4. Military Aero-engine Life Development through Health Monitoring - A Case MR -28 study S Narayanaswamy, Regional centre for military airworthiness (engines) CEMILAC, Defence R&D Orgn. Bangalore 5. Residual Life Estimation of Compi^oaor Disc of a Fighter Class Aircraft MR - 42 Engine - A Case Study Manaswi Maharana, Scientist, RCMA (Engines) Sunabeda, Orissa