Aero Engine Combustor Casing : Experimental Design and Fatigue Studies book cover
1st Edition

Aero Engine Combustor Casing
Experimental Design and Fatigue Studies

ISBN 9781138032835
Published June 9, 2017 by CRC Press
156 Pages

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Book Description

The book is focused on theoretical and experimental investigation aimed at detecting and selecting proper information related to the fundamental aspect of combustion casing design,performance and life evaluation parameters. A rational approach has been adopted to the analysis domain underlying the complexities of the process.

Table of Contents


Background and motivation

Outline of the book

Initial phase of aero engine development

Working principle of aero gas turbine engines

Critical components of an aero engine

Aero engine compressor

Aero engine combustion chamber

Aero engine turbine

Aero engine propelling nozzle

Design philosophy of an aero engine combustion chamber

Types of combustion chambers in aero engines

Complexities in combustion chamber design

Materials used for combustion chamber

Significant contributions


Fatigue Design Philosophy of Aero Engine Combustor Casing


Combustion chamber design

Fatigue failure in aero engines

Fatigue cycle counting methods

Fatigue life evaluation methods

Fatigue damage assessment

Non destructive testing methods

Summary of the design philosophy

Important design considerations for combustor casing


Development of Test Facility and Test Setup


Airworthiness and certification

Description of the test facility and its subsystems

Integrations of the subsystems

Design and manufacturing of adaptors


Manufacturing of an aero engine combustor casing, its experimental evaluation of fatigue life and correlation with numerical results.


Manufacturing method of combustor casing

Configuration of the combustor casing

Experimental evaluation of fatigue life

Mechanical properties of combustor casing material

Numerical analysis of the combustor casing

Numerical analysis of igniter boss and its correlation with experimental data

Results and discussions




Re assessment of Fatigue Life of the Modified Combustor Casing


Modified manufacturing methodology

Instrumentation of the modified combustor casing

Assembly and trial runs


Results and discussion


Safety Test on Modified Combustor Casing


The test component details

Instrumentation and testing

Results and discussion



Effect of Fatigue on Proof Strength of an Aero Engine Combustor Casing


Metallographic technique in failure analysis

Details of the test component

Experimental procedure






Certification and Acceptance of the combustor casing

Specific conclusions

Scope for further work


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Niranjan Sarangi, son of Shri Duryodhan Sarangi and Smt. Indumati Sarangi was born on May 03, 1970 in Jajpur district of Orissa State, India. He completed his 10th Class Board Examination from Purushottampur High School, Kabirpur, Jajpur and 10+2 (Intermediate) CHSE Examination from N.C. College, Jajpur, Orissa, all in First Division. He received his Bachelor of Engineering in Mechanical Engineering in the year 1992 from University College of Engineering, Burla with First Division. He completed his Post-Graduate Degree (M. Tech.) with Specialization in Production Engineering from the Mechanical Engineering Department of Institute of Technology, Banaras Hindu University (IT-BHU), Varanasi in the month of July 1995. From August 1995 to August 1996, he has joined the faculty of Mechanical Engineering Department of Gangamai College of Engineering, Dhule, Maharashtra. He joined Institute of Armament Technology (IAT) of Defence Research and Development Organisation (DRDO) in Pune as Scientist-B in September 1996. He was posted to Gas Turbine Research Establishment (GTRE) of DRDO in Bangalore in March 1997 and till date, he is continuing as a scientist in GTRE, Bangalore, India. At present he is working as a Scientist-F in GTRE. During his tenure in GTRE he has been involved in structural integrity testing of critical aero engine components for their design validation and airworthiness certification. His research interests also include evaluation of fatigue life and safety capability of aero engine components for their airworthiness certification.
 During the 2007 to 2013 he has been engaged for the Ph.D. Dissertation work on “Fatigue life evaluation of an aero engine combustor casing” in Defence Institute of Advanced Technology, (Deemed University), Pune while in service at GTRE, Bangalore. He has published some good quality research papers in peer reviewed International Journals and presented several research papers in various International and National Conferences.

DR SASHI KANTA PANIGRAHI (PhD, IIT Kharagpur) is working as Dean (Students Affair) and Professor in the Department of Mechanical Engineering of Defence Institute of Advanced Technology (Under Ministry of Defence, Government of India), Pune, India. Before he joined DIAT, he was working in many other University/Institution within the country. He has also worked as an International Visiting Academic with University of New South Wales at the Australian Defence Force Academy. He has a wide and intensive teaching, research, training and administrative experience after completing his PhD from Indian Institute of Technology, Kharagpur.  He obtained his Bachelor degree and Master degree in Mechanical Engineering from Veer Surendra Sai Technical University (VSSUT), formerly known as University College Engineering (UCE), Burla and National Institute of Technology (NIT) Rourkela. His research works primarily in the areas of Analysis and Design of composite materials, Characterization of FRP composite materials, Finite Element Analysis of FRP composite materials and composite structures, Natural Fiber Reinforced Composite (NFRC) materials, Fracture Mechanics principle applicable to modelling and simulation of damages in orthotropic and isotropic materials and material characterization/Stress analysis/Solid Mechanics/Machine design. He has been working on the development of advanced finite element methods and nonlinear finite element modelling and analyses of engineering structures with functionally graded/monolithic adhesively bonded joints. He has published over 150 research articles in peer-reviewed scholarly research papers International Journals/Conferences including 2 books/monograph/conference proceedings/many lecture materials. He has been awarded with “BHARAT JYOTI” in the year 2012 and conferred with Fellow, Institution of Engineers, India and Fellow, Indian Society of Mechanical Engineering. Many Ph D and M Tech students have already been graduated under his guidance/supervision. He is a member of many International/National professional bodies and has been a frequent reviewer for many leading peer reviewed International Journals of high standards. He has also served as Technical committee member or advisory board member in several National/International conferences