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AERONAUTICS RESEARCH & DEVELOPMENT BOARD

COMPLETED PROJECTS WITH RESEARCH OUTCOME

TOP-DOWN APPROACH

(i) GAS TURBINE ENBLING TECHNOLOGY (GATET)

S NO
TITLE
PI
Amount (lakhs)
Date of Sanction
Duration (years)
Outcome of the Project
1 CFD Analysis of Leakage Flows Through Labyrinth Seals, Tip Shroud Seals, Platform Gaps and Stator- Rotor Gaps For Varying GT Engine Conditions Dr. B.V.S.S.S Prasad, IIT, Madras 15.18 25-1-11 2 - A computer code for the estimation of centrifugal and thermal growth of labyrinth seals, tip-shroud seals, vane/blade platforms seals.
2 Cooling Concepts Related to Gas Turbine Blades Dr. H.K Narahari, M.S.R.S.A.S.,Bangalore 29.87 25-1-11 2

- Understanding of the flow and heat transfer characteristics in an internal flow in turbine blade cooling passages.

- Recommendations on best CFD parameters and practices for analyzing such geometry.

3 Damage Tolerance Evaluation of GT Engine Fan Blades out Containment Structures Smt. S. Srikari, M.S.R.S.A.S., Bangalore 20.70 25-1-11 2 - A validated Non-Linear FEM model for assessing GT Engine Fan Blade Out Containment Structure
4 Surface Crack Growth Prediction Under Static/Cyclic Loads and Assessment of life Prediction Computer Programs for Gas Turbine Component Dr. Vinod K. Banthia, M.S.R.S.A.S., Bangalore 28.43 25-1-11 2

- A validated methodology for the prediction of crack growth, residual stiffness, residual strength and remaining life of surface cracked aircraft engine component.

- Assessment of Life Prediction Computer Programs through literature review

5 Development of Design Methodology For Optimizing Squeeze Film Damper For Aero Gas Turbine Engine And Experimental Verification Studies Dr. K. Jayaraman, Vel Tech Technical University, Avadi, Chennai 186.7 25-1-11 2

- A test rig for testing squeeze film dampers

- Suitable for single and twin spool configurations

- Test GTRE SFDs

- Develop a nonlinear SFD structural model for analytical studies to correlate with experimental data.

6 Exploration of the Boundary of Low Reynolds Number Performance of small Turbine Blading Dr. A.P. Haran, Park College of Engg. & Tech., Coimbatore 12.32 17-2-11 1.5 - Study of the boundary of low Re performance on small turbine blading and the estimation of Critical Re.
7 CHT Experiments and Analysis for Predicting the External and Internal Heat Transfer Coefficient of GT Vanes and Blades Prof. B.V.S.S.S Prasad, IIT, Madras 45.42 24-3-11 2

- Development of an experimental methodology and computational procedures for predicting the external and internal heat transfer coefficient of GT vanes and blades.

- Validation of the Procedure

8 Development of Customized Software for Estimation of Stall Characteristics and Surge Alleviation for a Multi Stage Compressor Dr. Vikas Kumar, CDAC, Pune 63.9 24-3-11 2 -A methodology for the prediction and prevention of rotating stall and surge of a compressor stage - An indigenous customized CFD software capable of predicting stall and surge in compressors
9 Dynamics of Shrouded and Part Span Shrouded Blade Assembly with Floating Mass Damper Prof. A K Samantaray, IIT, Kharagpur 17.75 10-10-11 1

- Development of a reduced order bond graph model for blade assembly in GT rotor

- Development of models for shrouded and part-span shrouded blade assembly for LP stage

- Training to GTRE engineers on (1) system dynamics and (2) bond graph modeling

10 Studies on Kerosene Spray Characterization and Combustion in a Compact Trapped Vortex Combustor (TVC) Rig Prof. RV Ravikrishna, IISc, Bangalore 134.9 17-2-11 3

- Novel air-blast atomizers for TVCs working on kerosene fuel

- Design guidelines for a kerosene fuelled TVCs

11 Transonic Stall Flutter: Unsteady Flow Over Turbo-machine Blades in Transonic Regime Prof. Raghuraman Govardhan, IISc, Bangalore 165.7 10-8-11 3

- Development of facility for study of transonic stall flutter capable of (i) transonic flow, (ii) realistic-large reduced frequency blade oscillations, (iii) fully instrumented for unsteady blade loads, and (iv) equipped and integrated with time resolved PIV (TR-PIV)

- Unsteady loads and flow field measurements on a blade for a few vibration amplitude and frequencies at close to stall conditions for the blade. Useful for understanding the transonic stall flutter phenomenon.

12 DNS of Turbo-machinery Blading Prof. SM Deshpande & Prof. R. Narasimha, JNCASR, Bangalore 71.69 22-3-13 2 - Development and delivery of validated parallel 2-D and 3-D codes for carrying out DNS of turbo-machinery blade flows.
13 Studies on Afterburner Cross Stream Spray Characterization Shri. HS Muralidhara, NAL, Bangalore 148.4 20-3-13 1.5 - Study the GTRE Afterburner's Cross Stream Spray Characteristics with the help of " (i) Laser sheet flow visualization and high speed imaging of the spray " (ii) LDV and PDPA measurements in axial planes at several locations (170 mm, 7 locations) and at specified conditions and flow rate " (iii) Analysis of the Experimental Data for Evaluating Correlations
14 Structural Integrity Evaluation Studies on High Speed Transmission Shaft for Turbo Fan Engine Application Dr. - Ing M. Duraiselvam, NIT, Tiruchirapalli 49.59 12-2-13 2

- Joining of LPT Blisk &Shaft of STFE is the objective of the proposed work

- SOW include " (i) Structural, Rotor Dynamic and Vibration Analysis of the Shaft " (ii) Identification of Plane of Metal Joint to Integrate Blisk and Shaft " (iii) Optimization of Metal Joining Process Parameters " (iv) Qualification Testing and Providing the Prototype

15 Experimental Investigation of Nonlinear Thermo-acoustic Instabilities in a Swirl Stabilized Combustor Prof. RI Sujith, IIT Madras 110.5 19-6-13 2 yrs

- To study the nonlinear interactions between the acoustic field and the combustion processes during the occurrence of thermo-acoustic instability, in a turbulent swirl stabilized combustor

- Technology Deliverables a) (i) Sensing devices and algorithms for predicting instability, and its mitigation. b) Methodologies & prescriptions for mitigating / avoiding instabilities

(c) Adapting the technologies developed (sensing devises & algorithms), methodologies, to real GTRE combustors

(d) Analysing instability data obtained in GTRE tests

16 Experimental Investigation on Film Cooling Configurations of Nozzle Guide Vane and Rotor Blade Shri. Giridhar Babu, NAL, Bangalore 26.34 12-3-14 1.5 - Film cooling effectiveness data on stator and rotor blades with different configurations of cooling holes
17 Experimental Investigation of Inter Shaft Bearing Performance Under Variable Loads and Speeds Dr. Soumendu Jana, NAL, Bangalore 63.3 24-3-11 2

- An endurance test rig suited for testing inter shaft bearings

- Experimental measurement of bearing performance (for a compatible combination of bearing and oil) in terms of vibration levels, metal temperature, oil inlet and outlet temperatures.

18 Modeling of Spray Combustion in Gas Turbine Combustor Considering Thermal Radiation and Soot Formation With Experimental Validation at different Spray Condition and Air Flow Distribution Prof. Amitava Datta, Jadavpur University, Kolkata 38.37 Feb 2011 2

- An experimentally validated spray combustion model for GT combustor using a commercial CFD code incorporating thermal radiation and soot formation will be available

- A comprehensive database on the above models and model constants for future use of the researchers in the country

 

 

BOTTOM-UP APPROACH

FINANCIAL YEAR 2014-15

S No
P No
Title
Institution
Panel
Amount (lakhs)
Date of Sanction
Duration (years)
Outcome of the Project
1 1570 Modeling Studies on Low Cycle Fatigue related damage evolution of Thin super elastic SMA elements for structural damping applications- Theoretical Investigations IIT, Chennai structure 7.333 25-Nov-10 3.5 yrs A thermodynamically consistent model specifically suited for a tension-torsion type of loading is proposed in this work. The model uses a minimal set of five species in order to simulate the response under a combination of tension/compression and shear stress conditions. The entropy production computed using the above proposed model is used for the prediction of the fatigue behaviour
2 1584 Studies on Synthesis and Thermal Cyclic Behaviour of Lanthanum Oxide Based Plasma Sprayed Coatings Annamalai University materials 28.202 20-Apr-11 3 yrs

(i) Empirical relationships were developed to estimate (at 95% confidence level) the porosity, micro hardness and Young's modulus of YSZ and LZ coatings incorporating predominant plasma spray parameters such as input power, standoff distance and powder feed rate

(ii) Of the three plasma spray parameters studies in this investigation, input power has the largest effect on the coating characteristics followed by standoff distance and powder feed rate

(iii) Regression equations have developed by incorporating coating porosity and micro hardness coating porosity and young's modulus of the coating

3 1606 Active Structural Acoustic Control of Interior Noise using Structural Sensing and Actuation IIT, Delhi structure 16.44 19-Sep-11 3 yrs The objective of sensing and control via structural sensors and actuators has been achieved.
4 1609 Studies on the Formulization of the Formal Techniques for Safety Critical Application of Aircraft and Aerospace Platforms NAL, Bangalore systems 10.75 28-Oct-11 2.5 yrs The process and toll metrics aid the system designers to analyze the tools for their application, tool compatibility and effectiveness of these tools. The metrics provides the guidance to set up the integrated software engineering process. Usage of MBSE tools for implementation and formal analysis of the critical functionality of stall warning/aircraft interface computer system. Source code verification for safety critical system using formal methods
5 1613 Design and Development of Web-based Database of Aerospace Testing Facilities available in India University of Delhi aerospace resources 10.282 31-Oct-11 2 yrs Design and developed web-based data base of aerospace testing facilities available in India.
6 1620 Study of Combustion Dynamics in Stratified Swirl Stabilized Burner IISc, Bangalore propulsion 24.19 21-Nov-11 3 yrs Study of combustion dynamics in stratified swirl stabilized burner has been conducted.
7 1632 Controlled Drop Spreading and Squeeze Flow Analysis for Improved Permeability Description in Composite Process Simulation (ACECOST-3) IIT, Madras structure 15.96 23-Nov-11 3 yrs Conducted controlled drop spreading and squeeze flow analysis for improved permeability description in composite.
8 1644 Study of Gas Turbine Combustion and Emission Reduction Technologies using Advanced Models IIT, Bombay propulsion 21.98 09-Feb-12 3 yrs Study of Gas Turbine combustion and emission reduction technologies using advanced models were conducted
9 1645 Development of a 3-D Parallelized Compressible FVM Code for Simulation of Multi-Species Non-reacting Flows in Gas Turbines Combustor IIT, Kanpur propulsion 12.008 30-Jan-12 2.5 yrs The basic flow solver has been developed and validated against the benchmark results. The solver is parallelized and the scalability is also reported which appears to be found excellent. Finally, the solver is used to study complex flow physics in swirled combustor for the experimental configuration using large eddy simulation (LES) methodology
10 1651 Interface Strength Characterization of Thin Films Using Laser Induced Stress Waves IIT, Kanpur structure 26.518 05-Jul-12 2 yrs The dynamic interface strength of epoxy film, deposited on fused quartz substrate, is determined by employing laser spallation technique. A high amplitude short duration acoustic pulse is developed in the substrate by pulsed laser ablation for loading the film interface at ~10 7/s strain rate. The stress history in fused quartz is obtained by performing interferometric measurements in a fused quartz/aluminum calibration sample. From the analysis the fused quartz/epoxy interfacial adhesion strength is determined to be 250 Mps
11 1686 Development of A Conjugate Heat Transfer Solver for Hypersonic Applications IIT, Guwahati aerodynamics 10.63 13-Mar-13 2 yrs Fluid and solid domain solvers are successfully developed and implemented for strong and decoupled studies of conjugate heat transfer analysis. These algorithms are then extended for loose coupling technique in order to reduce the time required for simulation

 

FINANCIAL YEAR 2015-16

S No
P No
Title
Institution
Panel
Amount (lakhs)
Date of Sanction
Duration (years)
Outcome of the Project
1 1456 Development of Nan quasi-Crystalline Al-Fe-Ti-Cr/V Alloys for Airframe and Automotive applications NML, Jamshedpur materials 11.422 28-Jul-08 3 yrs

(i) All the met spun ribbons were prepared at wheel speed of 40m/s

(ii) Good quality ribbons were prepared by using crucial with orifice diameter of 0.9mm and placed at a distance of 1mm from the quenching wheel surface

(iii) All melt-spun ribbons contain i-phase particles in AI matrix. (iv) The micro hardness of the melt-spun and heat treated AI 93FE3Cr2 Ti2 alloy is found to be improved by substituting up to 1.0 at % AI by Si.

(v) Addition of V changes the structure from quasi crystalline to nano granular phase.

2 1475 Design Development and Optimization of Miniature and Micro Heat Pipes for the Thermoal Management of Avionic Device NIT Culicut, Kerala systems 10.76 26-Nov-08 3.5 yrs

The following activities has been carried out under the project :-

(i) Design and fabrication of the miniature and micro heat pipes

(ii) Charging the heat pipes and making them functional

(iii) Computational modeling and benchmarking of results

(iv) Parametric studies on the models and optimization of heat pipes

3 1501 Synthesis of Carbon Nan tube Integrated Epoxy Composition in Supercritical Carbon Dioxide GB Pant University of Agriculture & Technology, Pantnagar, Uttarakhand materials 21.4725 23-Feb-09 3 yrs An environmentally benign and inexpensive way of synthesis of carbon nano tube epoxy composites. The process developed may be useful for bulk scale dispersion of CNTs into various resin systems. The process may further be useful for development of functionalized CNTs for modification of epoxy and related thermosetting systems. A remarkable modification in thermal stability of CIECs was achieved over entire range of G (%) of OCNTs. Whereas at higher G (%), the mechanical properties of CIECs were declined over CECs
4 1523 Development of Robust Damage Diagnostic Techniques for Engineering Structures SERC, Chennai structure 18.4 13-Oct-09 3 yrs Development of damage diagnostic techniques for engineering structures employing independent component analysis and principal component analysis. A new method based on the popular second order blind identification method, SOBI, is presented to estimate the modal properties of structures under ambient loading. A damage detection algorithm based on the proper orthogonal decomposition technique is presented for health monitoring of structures
5 1545 Analytical and Experimental Investigations on Remaining Life and Residual Strength Assessment of Stiffened panel under Constant and Variable Amplitude loading SERC, Chennai structure 16.87 22-Jan-10 3 yrs CSIR-SERC has taken up experimental investigation on remaining life and residual strength assessment of un-stiffened and stiffened panels of Aluminimum alloy typically used in aircraft applications. Fatigue crack growth studies have been carried out on un-stiffened, end stiffened and intermediate stiffened panels under constant amplitude cyclic loading. The results also suggested that there is an increase of fatigue life by 13% in the case of end stiffened panel when compared with the un-stiffened panel
6 1546 Damage Assessment of Aircraft Structures from limited Vibration Data IIT, Kharagpur structure 9.172 22-Jan-10 3 yrs Developed a software for isogeometric mesh free analysis of laminated composite plates. The software for isogeometric mesh free analysis will include formulation and software implementation of isogeometric mesh free approach formulation. The software will be used for analysis of aerospace structures and components
7 1568 Augmentation of 0.3m Hypersonic Wind Tunnel at IISc, Bangalore IISc, Bangalore aerodynamics 592.418 27-Sep-10 2 yrs All the systems for the augmentation of 0.3 m hypersonic wind tunnel have been successfully completed
8 1571 Application of Goal Oriented a Posteriori Error Estimation Procedures for the Accurate Computation of Mode I Stress Intensity Factors IIT, Guwahati structure 6.826 03-Dec-10 2 yrs The present investigation attempts to apply the goal-oriented error estimation in J-integral (quantity of interest) and related h-adaptive finite element refinement for accurate determination of mode I stress intensity factors of various 2D cracked bodies in isotropic elasticity. The outcome of the present investigation can be used to determine automatically accurate SIF K1 for complex 2D configurations without analyst's judgment
9 1575 Effect of Temperature on damping and stiffness characteristics of magneto-rheological fluids used as external damping medium BMS College of Engg., Bangalore propulsion 16.94 23-Dec-10 3 yrs The stiffness and damping coefficients are influenced by L/D ratio, clearance and speed of the damper. It decreases with clearance, increases with L/D ratio and speed. It is also concluded that the temperature can alter the damper performances significantly as it tend to change the viscosity of the fluid. But magnetic field intensity can absorb these variations in the damper
10 1577 Electromechanical Characterization of Piezopolymers IIT, Chennai structure 17.296 17-Jan-11 2 yrs To conducted static and dynamic mechanical tests on piezoelectric polymeric thin films such as Polyvinylidene Fluoride (PVDF) under uni-axial and biaxial state of loading at room temperature and test on PVDF electro mechanical text under uni-axial and biaxial state of loading over a arrange of temperatures (100 C to 800C). Developed appropriate constitutive models to capture the observed behavior
11 1581 Isometric Mesh Free Analysis of Laminated Composite Plates IIT, Hyderabad structure 6.834 18-Apr-11 2 yrs The achievement shows that the direct decomposition of the in homogeneous essential boundary conditions to the NURBS control points may lead to significant errors with deteriorated rates of convergence. Consequently an improved formulation for NURBS-based isogeometric analysis is proposed
12 1587 Investigation of Flow Behaviour on a Winged Body at Subsonic Speed BIT, Ranchi aerodynamics 11.4 16-May-11 2 yrs Investigated flow behavior on winged body at subsonic speed
13 1589 Design and Fabrication of Micro ECM Set-up for Micro Channels IIT, Kanpur materials 19.3075 31-May-11 2 yrs

(i) Micro holes and channels can be machined with high accuracy using insulated tools

(ii) The designed set up can be used for making straight micro tools and with the fabricated tool machining of desired work piece

14 1599 AR&DB Scholarship to the BE Aeronautical Engineering students admitted in July 2009 MIT, Madras aerospace resources 10.78 17-Aug-11 4 yrs No Technical report as the Scholarship is given for the B.Tech/M. Tech student
15 1601 Wake-Induced Transition in Boundary Layers IISc, Bangalore aerodynamics 10.399 30-Aug-11 2 yrs A noticeable phase shift of disturbances is seen in the free stream. The effect of different frequencies caused by the tapered cylinder on transition seems small. A noticeable result is the lower frequency caused by the tapered cylinder, compared to the straight cylinder
16 1605 Development of Open Source CFD Package for MAV IISc, Bangalore sigma 12.55 19-Sep-11 3 yrs Open source CFD package for MAV developed
17 1610 Weight Gear Unit and Flapping Mechanism for Ornithopter with Biplane Configuration Govt. Engg. College, Hassan (Karnataka) sigma 16.236 19-Oct-11 2 yrs A mechanically efficient durable and lightweight gear unit with 2.20 gms to support an ornithopter of 12 grams and wing span that is 150 mm successfully developed and tested
18 1616 Modification of Wankel Rotary Engine for Powered Hang Glider (PHG) NAL, Bangalore propulsion 20.2 14-Dec-11 2 yrs A modified version of indigenous 55 hp Wankel rotary combustion engine for the PHG has been developed. The modified version of the engine is more reliable and has got a features like gear box instead of a belt drive, in-built starter motor, larger bearings, silencer. This engine was tested on the thrust cradle with two different propellers and produced a maximum thrust of 105 kgf
19 1657 Boundary Layer Flow over Porous Laminated Flat Plate IIT, Madras aerodynamics 27.48 14-Aug-12 3 yrs Studies conducted on boundary layer flow over porous laminated flat plate

 

AERONAUTICS RESEARCH & DEVELOPMENT BOARD INSTITUTEWISE FUNDING ON ONGOING PROJECTS DURING 2015-16

S No.

INSTITUTE

Sum of 15-16 (Rs. in lakhs)

  1.  

Centre for Materials for Electronics Technology, Pune

53.61

  1.  

Chennai Petroleum Corporation Ltd., Chennai

15.77

  1.  

Deptt of Mechanical Engineering, College of Engineering, Pune

4.05

  1.  

DIAT, Pune

38.868

  1.  

Gokaraju Rangaraju Institute of Engg and Technology (GRIET), Hyderabad

8.75

  1.  

Government Engineering College, Bargur, Krishnagiri (Dt) Tamilnadu

3.8551

  1.  

IISc, Bangalore

664.59

  1.  

IITs

785.9434

  1.  

ARCI Hyderabad

29.6

  1.  

Jadavpur University, Kolkata

69.47

  1.  

Karunya University, Coimbatore

9.26

  1.  

MIT, Chennai

8.8007

  1.  

NAL, Bangalore

177.7932

  1.  

NFTDC, Hyderabad

45.61

  1.  

NIT, Nagpur

15.335

  1.  

PEC, Chandigarh

2.695

  1.  

PES Institute of Technology, 100 Feet Ring Road, BSK III Stage, Bangalore

1.75

  1.  

PMC Tech, Er. Perumal Manimekalai, College of Engineering, Hosur, Tamilnadu

2.91

  1.  

SASTRA University, Thanjavur, Tamil Nadu

5.95

  1.  

Siddaganga Institute of Technology, Tumkur, Karnataka

4.9942

  1.  

Sreepathy Institute of Management & Technology, Palakkad

4.75

  1.  

SVERI's College of Engg., Pandharpur, Gopalpur-Ranjani Road, P.B. No.54, Maharashtra

3.358

  1.  

SVNIT, Surat

4.08

  1.  

Vel Tech University, R&D Institute of Science & Technology, Avadi, Chennai

3.9

  1.  

VIT, Vellore, Tamil Nadu

6.3602

  1.  

VNR Vignana Jyothi Institute of Engg & Technology, Hyderabad

2.23

TOTAL

 

1974.2828

 

CHECK LIST FOR SUBMISSION OF APPLICATION FOR GRANT

(This Check list may also be submitted to Secretary AR&DB at the time of obtaining his approval for sanction of Grant)

Particulars to be checked

1. Grants-in-Aid rules has been studied.

2. Application of Grant submitted is in the prescribed form as per Annexure I of Grants-in-aids rules.

3. Whether PI has submitted three ink signed copies of Application for Grant duly signed by himself and the Executive Authority of Institution.

4.Whether sufficient number of copies are prepared for circulation among panel members

(a) Whether the Institution in accordance with para 3 of Grants-in-aids rules has enclosed a certificate alongwith application of Grant stating that basic necessary competence as evidence of the existing of the staff with the relevant technical background as well as basic necessary facilities for the work are available.

(b) Whether following have been mentioned :-

(i) Designation of research staff required to be engaged.

(ii) Details of Equipment/ material alongwith their price the arithmetical total of the same agreeing with the grant proposed under Equipment head.

5. Whether all the columns of Application in Part I & Part II have been filled up with adequate details wherever required and no column has been left blank.

6. Prospective Principal Investigator's phone no., fax & email mentioned.

 

PROFORMA TO BE SUBMITTED ALONGWITH THE RECOMMENDATIONS OF PROPOSALS RECEIVED FROM A PRIVATE ACADEMIC INSTITUTION

1. Title of the Project Proposal :

2. Cost of the Project :

3. Institutionís Share/ Bank Guarantee :

4. Accreditation by the relevant National Bodies (enclose copy of certificates) :

5. Evidence of doctoral research and research outputs by the proposing faculty :

6. R&D Funds allocated by the institution for research programmes :

7. R&D funds attracted by the institutions from the other funding agencies alongwith name of agencies and list of projects :

8. Library funds allocation for serious research journals/ periodicals (not magazines or industry journals) and online subscription, list of major subscriptions :

 

 

Signature of the

Executive Authority of the Institution

 

TOPICS OF INTEREST TO AERODYNAMICS PANEL OF AR&DB

a) HYPERSONIC R&D

  • Laminar- Turbulent boundary layer transition

  • Turbulence models and combustion models for high speed flows

  • Large computer resources for numerical flow simulation

  • Multi-disciplinary aero design

  • Hypersonic wind tunnel testing at high Mach numbers upto 15

  • Unsteady flow computations

  • Shock- Shock interaction effect on flow field and aerodynamic heating (Forebody shock- intake cowl lip shock interaction; Forebody shock- wing leading edge shock interaction; Wing shock- Tail shock interaction).

  • Shock-boundary layer interaction on flow field and aerodynamic heating (Flow separation over compression corners ; Forebody ramp corners ; wing-flap junction ; Flow separation due to shock generated at wing root chord glancing with body ; Intake flow evaluation considering local effects of : Interaction of shock generated at cowl lip with the boundary layer of side vertical walls ; Shock impingement and reflection in intake duct

  • Hypersonic intake bleeding characteristics

  • Hypersonic Boundary layer transition

  • Boundary layer- Boundary layer interaction at 90 degree corner

  • Aeroacoustics in the hypersonic flows: (Jet acoustics; Acoustics due jet mixing with external flow in Single Expansion Ramp Nozzle SERN)

  • Conjugate heat transfer prediction

  • Studies on active cooling of scramjet engine considering heating due to combustion flow/ external flow

  • External flow evaluation with real gas effects on airbreathing hypersonic configuration

  • Complete modeling of external flow/ Internal flow through intake and combustion flow by way tip to end simulation of engine intergrated vehicle

  • Flow visualization and Improved measurement systems for hypersonic testing

b) Low Reynolds Number Aerodynamics relevant to Micro AV's

  • Data generation, modeling, design methods for wing-body configurations, with relatively conventional planforms

  • Design methods for unconventional/ low Aspect Ratio wings

  • Understanding of boundary layer phenomena including bubbles, transition and separation on wings

  • Improved measurement and flow visualization techniques

  • CFD for low Reynolds numbers aerodynamics including laminar Navier-Stokes

  • Fluid Mechanics of flapping wings

TOPICS OF INTEREST TO AEROSPACE RESOURCES PANEL OF AR&DB

THRUST AREAS

  • Institution of awards for Innovative design & projects

  • Invited Lectures

  • Support for visits abroad

  • Information Technology for Aerospace Applications

  • Rapid Information flow systems

  • Aerospace Information Network Systems

  • AR&DB Project finding in digitized formats

TOPICS OF INTEREST TO MATERIALS & MANUFACTURING PANEL OF AR&DB

1) MATERIALS

a) Emerging Materials

  • Smart Materials

  • Stealthy Materials

  • Sensor Materials

  • Composites, Functionally Gradient Materials and Laminated Structures

  • Cellular Materials

  • Intermetallics and Refractory Metals and Alloys

  • Surface Engineering

  • Joining of Dissimilar Materials

  • The Mechanical and Physical behaviour of Materials at Cryogenic and very High Temperatures

b) Critical Technology Areas

  • Materials

  • Design and Lifting Methodology

  • Modeling and Simulation

c) Advanced Techniques of Materials Characterisation

  • Properties of Materials in small volumes

  • High Temperature Properties

  • Cryogenic Properties

  • Microstructure

  • Non-Destructive Testing

d) Special Technology Focus

VERY HIGH TEMPERATURE MATERIALS AND THEIR MECHANICAL AND PHYSICAL BEHAVIOUR

The Materials and Manufacturing Panel wishes to place special emphasis on research directed to the synthesis, characterisation and physical and mechanical behaviour of materials for very high temperature applications ranging from 1100degC to approximately 2000degC. The Panel seeks interdisciplinary and multi-institutional proposals in the following areas.

  • Synthesis and processing of refractory metals and alloys, high melting intermetallics, ceramics and their composites and materials based on carbon.

  • The establishment of very high temperature testing facilities for physical and mechanical properties.

  • Micromechanisms of materials plasticity and deformatiom at very high temperatures with special emphasis on composites.

  • Micromechanisms of toughening of ceramics and their composites; standardisation of testing techniques for strength and toughnes of laminated and continuous-fibre composites.

  • Oxidation resistance at very high temperatures, mechanisms of oxidation, the development of very high temperature coatings.

  • Freedom fabrication technologies for metals, ceramics and polymers.

2) MANUFACTURING

  • Digital Manufacturing

  • Advanced Image Processing related to inspection

  • Multitasking

  • Lean Manufacturing

  • Augmented Virtual Reality

a) Micro Manufacturing & Micro Fabrication

  • Ultra Precision Grinding

  • Surface Micro Machining

  • Micro Moulding

  • Micro Milling

  • Bulk Micro Machining

  • Multitasking

  • Focused Ion Beam Machining

  • Micro Turning

  • Precision Diamond Turning

  • Micro EDM

b) Nano Manufacturing

  • Molecular Manufacturing & directed self assembly

  • Micro and Nanotechnology

  • Coating and Surface Engineering Technologies

AREAS OF RELEVANCE FOR PROJECTS:
  • Hot corrosion characterization of nickel alloys

  • Ultrasonic characterization of Titanium & Nickel alloy weldments

  • Characterization of abradable and anti-fretting coatings

  • Friction stir welding of titanium/ nickel alloys

  • Development of duplex coating for turbine components

  • Metallic and no-metallic materials for thin film sensors for high temperature applications

  • High temperature high strain rate property investigation of titanium and nickel alloys

  • Stress corrosion cracking (SCC) and Development of dual phase alloy doses

  • Development of powder metallurgy diesel forging of nickel alloys and other components

  • Characterization of metal composite joints of high temperature PMC and CMCS'

  • Laser engineered net shaping for FGM

  • Micro peeing/ extrusion honing studies for surface engineering

  • Rapid casting of gear box components with magnesium alloys

  • Inertia welding

  • Residual stress simulation in machined Inco 718 discs and casings

  • Blisk manufacturing

  • Chemical milling/ Isogrid manufacturing

  • Overlay coating characterization

  • Reference of Corrosion on Creep & Fatigue properties of Titanium & Nickel alloys

TOPICS OF INTEREST TO PROPULSION PANEL OF AR&DB

GAS TURBINE ENGINE TECHNOLOGY & NOZZLES

  • Vectoring Nozzles

  • Contra Rotating Blisked Fan, Vaneless Turbine

  • Aero Spiked Nozzles

  • Small Gas Turbine Engine Technolgy

COMBUSTION & GAS DYNAMICS

  • Piezo-Fuel Injectors- Smart Materials

  • Cavity Based- Trapped Vortex Main Combustor

  • Cavity Based Afterburners

  • Fluidic Thrust Vectoring- Nozzle Throat skewing

  • Annular Air Blast Atomisers

  • Pulse Detonation Engines

  • Experimental Simulation

  • Combustor Wall shear and Heat flux

COMBUSTION INSTABILITIES

  • Experimental Methods in Combustion Instability

  • Design Level Identification of Combustion Instabilities

  • Spray Acoustic Interaction

  • Effects of Vorticity

  • Active Control of Instabilities

  • Boron Based Fuels & their characteristics

SPRAY COMBUSTION

  • Measurement Techniques for drop size, Velocity and number density in sprays

  • Dimensional Analysis, Similarity Theory, Boundary Layer Growth and Physical Properties for Fluid Effects of External Forces on Droplet Breakup

  • " Missing Link" between Atomiser Design and Spray Characteristics

  • Specifications of Initial & Boundary Conditions of the spray

  • Spray Diagnostics

CFD

  • Combustion in high speed flows

  • Two Phase Flows

  • Unsteady Flows

  • Integrated Design analysis

  • Internal Flows within atomizers

COMPRESSORS & TURBINES

  • Flutter/ Aeroelasticity Analysis

  • Unsteady Flow Measurement

  • Techniques Vaneless

  • Turbine Multiple Bypass

HIGH TEMPERATURE APPLICATIONS

  • Cooling Techniques

  • Measurement Techniques

  • Thermo-mechanical Transients

MECHANICAL ASPECTS

  • High Speed Bearings

  • Rotor Dynamics

  • Advanced Stress Analysis

  • Impact Dynamics

  • Advanced Instrumentations viz: MEMS, Thin Film, Non Contact

HYPERSONICS

  • Design strategies for forebody, intake, combustor, Nozzle/Aft Body Airframe & Control Surfaces

  • Overall thermal balance

  • Hypervelocity Combustion & engine performance prediction/ optimization

  • Efficient cooled structures

  • 3-D Design Models with multi-disciplinary considerations

  • Combined Cycle Propulsion (CCP)

TOPICS OF INTEREST TO STRUCTURES PANEL OF AR&DB

THRUST AREAS

  • Unitised Composite Structures

  • Integrated Airframe Design

  • Active/Adaptive Aero elastic surfaces

  • Hybrid structures for improved durability and damage tolerance

  • Low cost bonding structures

  • FEM Structural Modeling to include composite sandwich, smart structures and strength, stiffness and life of bonded repairs

  • Onboard Health Monitoring and crack growth measurements

  • Structural Dynamics

  • Conformal Structures

  • Light weight structures for high aerodynamic, acoustic loads, severe flutters, vibration and thermally induced stesses

  • Efficient procedures to identify critical load cases

TOPICS OF INTEREST TO SYSTEMS/SYSTEMS ENGINEERING PANEL OF AR&DB

THRUST AREAS

  • Simple & low cost inertial navigation systems- analysis, modeling and hardware

  • Satellite Navigation Systems- analysis, modeling and hardware

  • Hybrid Navigation Systems- analysis, modeling and hardware

  • Sensors- MEMS, Hyperspectral, Multispectral, active, passive, acoustic, electro-optical, radar etc.

  • Weapon aimimg systems, smart sensors

  • Flight Instrumentation

  • Airborne antimissile defence system

  • Optical, infrared and laser systems for airborne applications

  • Intra- Aircraft communication and data bus structures

  • Cockpit displays

  • Aircraft simulators and virtual reality applications

  • Real time target identification

  • Stealth Technology

  • Self Adaptive capability for reconfiguration in the event of physical & information damage (Adaptive Control Systems)

  • Collision avoidance sensors and algorithms

  • Real time information processing

  • Smart Sensors

  • Life cycle Estimation

  • Ageing Aircraft

  • On Board/ Otherwise Health Monitoring & Damage Tolerence Practices

  • In-situ Repairs

  • Maintenance-free practices

  • Damage Estimation

  • Human-Machine Interface

  • Psychophysiological processing for dynamically modified cockpit configuration and information flow

  • Human Fatigue Management