BAE501 Design of Aircraft Elements Syllabus — AKTU 2024-25

Syllabus

5 units · 42 lecture hours

Unit1

9 hrs

Introduction Design requirements for aircraft elements, Principles of aircraft design, Modes of failures and Factor of safety. Systematic design process, Use of standards in design, Manufacturing consideration in design, Selection of preferred sizes, Designation of carbon & alloy steels, Selection of materials for static and fatigue loads.
Design for Static and Fluctuating Loads Principal Stresses, Stresses due to bending and torsion, Theories of failure, Cyclic stresses, Fatigue and endurance limit, Stress concentration factor, Notch sensitivity, Design for finite and infinite life, Soderberg, Goodman & Gerber criteria.

Unit2

9 hrs

Design of Riveted Joints Comparison of different types of joints, Types of riveted joints, Failure and efficiency of riveted joints, Preliminary design of fuselage and wings, Eccentric loaded riveted joint.
Design of Shafts and Keys Stresses in shafts, Materials for shaft, Design of shafts subjected to twisting, bending and combined twisting and bending, Shafts subjected to fatigue loads, Types of keys, their selection and strength.

Unit3

8 hrs

Rolling Contact Bearing Types of ball bearings and roller bearings, Bearing life, Selection of rolling contact bearings, Dynamic equivalent load for roller contact bearing under constant and variable loading.
Sliding Contact Bearing Types and selection of sliding contact bearings, Lubricants and lubrication, Hydrostatic and
Hydrodynamic journal bearing, Heat generation, Thrust bearing: pivot and collar bearing.

Unit4

8 hrs

Design of Transmission Elements Comparison of gear drive with belt drive and chain drive, Law of gearing, Types of gear tooth, Terminologies and standard proportions of gear systems, Force analysis, Beam strength and wear strength of gear tooth, Failure of gear tooth, Design of spur gears.
Helical Gears Terminology and proportions for helical gears, Force components on gear, Virtual spur gear, Beam strength and wear strength of helical gears, Design of helical gears.

Unit5

8 hrs

Bevel and Worm gear Terminologies, Types and Applications of bevel and worm gears, Force analysis for bevel and worm gears.
Design of springs Types of helical springs, Properties of spring materials, Stresses and deflection of helical springs of circular wire, Design of helical springs subjected to axial load and axial twist.
Note: Design data book is allowed in the examination.

Course Outcomes (COs)6 outcomes

After completion of the course student will be able to:

CO1K2 loads they are subjected to. Apply the basic concepts to design the aircraft structural components in
CO2K3 order to meet desired needs within realistic constraints. Understand the difference between various power transmission methods
CO3K2 and their selection based on the requirements. Identify the use and advantages-drawbacks of different types of rolling and
CO4K2 sliding bearing.
CO5Apply the basics concepts to design spur, helical and other gears. Apply the basic concepts to design bearings for use in rotating componentsK3
CO6K3 and make proper selection based on the requirements

This subject is on page 5, 6 of the original AKTU PDF.