Table Of ContentLecture Notes in Mechanical Engineering
Chetan S. Mistry
S. Kishore Kumar
B. N. Raghunandan
Gullapalli Sivaramakrishna Editors
Proceedings
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Proceedings of the National
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123
Editors
ChetanS. Mistry S. KishoreKumar
Indian Institute of Technology Kharagpur GasTurbine Research Establishment
Kharagpur, West Bengal, India Bangalore, Karnataka, India
B. N.Raghunandan Gullapalli Sivaramakrishna
Indian Institute of Science Bangalore GasTurbine Research Establishment
Bangalore, Karnataka, India Bangalore, Karnataka, India
ISSN 2195-4356 ISSN 2195-4364 (electronic)
Lecture Notesin MechanicalEngineering
ISBN978-981-15-5038-6 ISBN978-981-15-5039-3 (eBook)
https://doi.org/10.1007/978-981-15-5039-3
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Preface
ThesecondNationalAerospacePropulsionConference(NAPC-2018)isabiennial
event being held since 2017. This conference is an amalgamation of the National
Propulsion Conference (NPC) and National Conference on Air-Breathing Engines
(NCABE) conferences. It was organized and hosted by the Indian Institute of
Technology, Kharagpur between 17–19 December 2019.
These proceedings constitute about thirty-five percent of the research articles
presented at the conference. All published papers were subjected to a rigorous
refereeing process, which resulted in uniformly high quality.
Thepaperscoverthestate-of-the-artdesignandanalysisofGasTurbineEngine
components like the compressor, turbine, combustor and afterburner, as well as
systemic issues related to health monitoring, flow and structural dynamics and
instrumentation. The contents also cover topics on Scramjets, Rockets and UAVs.
We owe our sincere gratitude and appreciation to all the members of the tech-
nical committee and reviewers. DRDO, ISRO HQ, AR and DB, DST, CSIR and
TSIhavesupportedasmajorcontributorstotheconferencebyprovidingnecessary
finances, and we duly acknowledge their support. We thank Mr. MZ Siddique,
Director, GTRE, and Prof P P Chakraborty, Director, IIT Kharagpur, for their
support and encouragement.
There are many others who have contributed to the publication of these pro-
ceedings whom we are unable to mention individually. We thank all of them.
Kharagpur, India Chetan S. Mistry
Bangalore, India S. Kishore Kumar
Bangalore, India B. N. Raghunandan
Bangalore, India Gullapalli Sivaramakrishna
v
Contents
Fans and Compressor
UnderstandingofanEffectofPlenumVolumeofaLowPorosityBend
Skewed Casing Treatment on the Performance of Single-Stage
Transonic Axial Flow Compressor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Darshan P. Pitroda, Dilipkumar Bhanudasji Alone, and Harish S. Choksi
Sensitivity Analysis of Weight Coefficients Used in Multiobjective
Optimization in Genetic Algorithm Method for Axial Flow
Compressor Design. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
NB Balsaraf and S. Kishore Kumar
Aeroelastic Instability Evaluation of Transonic Compressor
at Design and off-Design Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Kirubakaran Purushothaman, N. R. Naveen Kumar,
Sankar Kumar Jeyaraman, and Ajay Pratap
Combustion
Strategic Quality Management of Aero Gas Turbine Engines,
Applying Functional Resonance Analysis Method . . . . . . . . . . . . . . . . . 65
Johney Thomas, Antonio Davis, and Mathews P. Samuel
Measurements of Droplet Velocity Fields in Sprays from Liquid Jets
Injected in High-Speed Crossflows Using PIV . . . . . . . . . . . . . . . . . . . . 93
Venkat S. Iyengar, K. Sathiyamoorthy, J. Srinivas, P. Pratheesh Kumar,
and P. Manjunath
Turbines
ComputationalInvestigationsofVaryingSolidityLPTurbineCascade
with Gurney Flap for Low Reynolds Numbers. . . . . . . . . . . . . . . . . . . . 105
G. S. Srivatsa and Gajanan Tatpatti
vii
viii Contents
Unsteady Flow Analysis of a Highly Loaded High-Pressure Turbine
of a Gas Turbine Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Vishal Tandon, S. N. Dileep Bushan Reddy, R. D. Bharathan,
and S. V. Ramana Murthy
Numerical Investigation of Three-Dimensional Separation in Twisted
Turbine Blade: The Influence of Endwall Boundary Layer State. . . . . . 133
Gaurav Saxena, Arun K. Saha, and Ritesh Gaur
Design and Analysis of Axial Turbine Using Three Different Vortex
Laws. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Sachin Verma, Anubhuti Sharma, Manish Kumar, M. Jaydip Pokiya,
Prathapanayaka Rajeevalochanam, and S. N. Agnimitra Sunkara
Investigation for the Improvement of Film Cooling Effectiveness
of Effusion Cooling Holes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Batchu Suresh, Resham D. Khade, V. Kesavan, and D. Kishore Prasad
After Burners and Nozzles
ExperimentalStudiesontheThermoacousticsofAfterburnerScreech
Combustion Instabilities in a Model Afterburner Test Rig. . . . . . . . . . . 187
C. Rajashekar, Shambhoo, H. S. Raghukumar, G. Sriram,
S. Chenthil Kumar, G. Udaya Sankara Athith, K. Vijayasankaran,
Rajeshwari Natarajan, A. R. Jeyaseelan, K. Ashirvadam, and J. J. Isaac
Triggering of Flow Instabilities by Simulated Sub/Supercritical
Rayleigh Heat Addition in an Aero-Gas Turbine Afterburner. . . . . . . . 203
P. Sreenath, Shambhoo, H. S. Raghukumar, C. Rajashekar,
A. Davis, and J. J. Isaac
Gas Turbine Engine Health Monitoring, Performance
and Starting
In-Depth Analysis of the Starting Process of Gas Turbine Engines . . . . 219
Chinni Jagadish Babu, Mathews P. Samuel, and Antonio Davis
Performance Trends of a Generic Small Gas Turbine Engine . . . . . . . . 243
Balaji Sankar and Tahzeeb Hassan Danish
Rotor Blade Vibration Measurement on Aero Gas Turbine
Engines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
T. Devi Priya, Sunil Kumar, Devendra Pratap, S. Shylaja, T. N. Satish,
and A. N. Vishwanatha Rao
Challenges in Engine Health Monitoring Instrumentation During
Developmental Testing of Gas Turbine Engines. . . . . . . . . . . . . . . . . . . 275
A. N. Vishwanatha Rao, T. N. Satish, Anagha S. Nambiar,
Soumemndu Jana, V. P. S. Naidu, G. Uma, and M. Umapathy
Contents ix
A Practical Approach to Enhance the Flight Endurance
of a Fixed-Wing UAV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Rajesh Mahadevappa, T. Virupaksha, and L.N. Raghavendra
Measurement Techniques
Development of Time-Efficient Multi-hole Pressure Probe Calibration
Facility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313
Ajey Singh, Akchhay Kumar, Gaurav Tayal, and Chetan Mistry
An Experimental Investigation of the Performance of an Acoustic
Pump Employing Dynamic Passive Valves. . . . . . . . . . . . . . . . . . . . . . . 337
B. Akash, Sonu Thomas, and T. M. Muruganandam
Alternate Schlieren Techniques in High-Speed Flow Visualization. . . . . 349
S. Vaisakh and T. M. Muruganandam
Development of a Retro-Reflective Screen-Based Large-Field
High-Speed Shadowgraph Flow Visualization Technique
and Its Application to a Hydrogen-Fueled Valveless Pulsejet Engine. . . 357
C. Rajashekar, Shambhoo, H. S. Raghukumar, Rajeshwari Natarajan,
A. R. Jeyaseelan, and J. J. Isaac
High-Speed Shadowgraph Flow Visualization Studies
on the Mechanism of the Onset of Screech and Its Attenuation
in a Model Afterburner Test Rig . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
C. Rajashekar, Shambhoo, H. S. Raghukumar, G. Sriram, S. Chenthil
Kumar, G. Udaya Sankara Athith, K. Vijayasankaran, K. Ashirvadam,
and J. J. Isaac
Space Propulsion
Near-Field Effectiveness of the Sub-Boundary Layer Vortex
Generators Deployed in a Supersonic Intake . . . . . . . . . . . . . . . . . . . . . 383
G. Humrutha, K. P. Sinhamahapatra, and M. Kaushik
Experimental Investigatıon of Cavity Flows with Rear Corner
and Face Modifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 395
T. V. Krishna, P. Kumar, S. L. N. Desikan, and S. Das
MixingAnalysisofCombinedAeroramp/StrutInjectorsinSupersonic
Flow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409
Nikhil Hemanth, Amit Thakur, Corin Segal, Abhay Hervatte, and
K. V. Shreyas
Effect of Swirl and Wall Heat Transfer on the Performance of Arcjet
Thrusters Using Numerical Modeling. . . . . . . . . . . . . . . . . . . . . . . . . . . 427
Deepak Akhare, Hari Prasad Nandyala, Amit Kumar,
and T. Jayachandran
x Contents
Analytically Modeling a Dual-Mode Scramjet with Fuel Flow Rate
as the Controlling Parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449
Sushmitha Janakiram and T. M. Muruganandam
Effect of Activated Charcoal on the Performance of Hybrid Rocket
Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 465
Nitesh Kumar, Mengu Dinesh, and Rajiv Kumar
Structures and Materials
Structural Health Assessment of Gas Turbine Engine Carcass . . . . . . . 479
Dilip Kumar and Sanjay G. Barad
Methods of Simulation of Bird-Strikes on Critical Aero Structures
with Some Test Cases and Conceptualization of an Alternative
Technique for the High-Speed Measurement . . . . . . . . . . . . . . . . . . . . . 491
Rajappa Banger, Praveen Kumar, Rajesh Sundrani, Anil Mahobia,
Niranjan Sarangi, and P. Ramesh
Experimental Evaluation of Elastic Ring Squeeze Film Dampers
for Small Gas Turbine Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 507
S.Thennavarajan,SadanandKulkarni,L.P.Manikandan,SoumenduJana,
Ajit Kumar, and Iqbal Momin
Effecting Critical Frequency Shift in Rotors Using Active Magnetic
Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 527
Balaji Sankar, Pramod Manjunath, A. Hemanth Kumar,
Shah Brijeshkumar, A. S. Sekhar, and Soumendu Jana
Aramid Fiber Composite Layers for Fan Blade Containment
in a Gas Turbine System: Some Experimental Studies. . . . . . . . . . . . . . 539
M. R. Bhat, Dineshkumar Harur Sampath, Sumit Khatri, and K. Umesh
