15AN34T: Basic Aircraft Structure and Som Aero 3rd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Basic Aircraft Structure and Som detail DTE Kar Diploma syllabus for Aeronautical Engineering (AE), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15AN34T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other aero 3rd sem syllabus for diploma c15 scheme dte karnataka you can visit Aero 3rd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for basic aircraft structure and som is as follows.

Pre-requisites:

Knowledge of basic mathematics and Science.

Course Objectives:

1. It aims at enabling the student to understand & analyze various types of loads and stresses acting on structures

Course Outcomes:

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UNIT I: SIMPLE STRESSES AND STRAINS CO1 12 Hrs

Simple stresses & strains viz. tensile, compressive, Shear, Crushing, Thermal stresses, & corresponding strains-Problems on Direct Stress & Linear Strain- Stress-,Hook’s Law- Strain curve for Ductile material and Brittle material with all parameters.- factor of Safety. Elastic Constants – Lateral Strain ,Poisson’s ratio, Bulk Modulus, Shear Modulus ,Volumetric StrainRelation between elastic constants- Problems on elastic constants.

UNIT II: SHEAR FORCE AND BENDING MOMENT DIAGRAMS CO2 12Hrs

Definition – Shear Force and Bending Moment -Types of beams, types of load acting on beams ,Sagging & Hogging Bending Moment and its importance -sign convention to draw SFD and BMD- Concept of Maximum bending moment.-Drawing S.F & B.M Diagram for Cantilever, Simply Supported Beams and Cantilever beam subjected to Point Load and U.D.L . problems on cantilever and simply supported beams

UNIT III: MOMENT OF INERTIA CO3 10Hrs

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UNIT IV: TORSION CO4 06Hrs

Introductionto Torsion, Angle of Twist Assumptions in theory of Torsion -Power Transmitted by a shaft, axle of solid and hollow sections subjected to Torsion – Comparison between Solid and Hollow Shafts subjected to pure torsion.( No problems)

UNIT V: A BRIEF HISTORY AND MAJOR AIRCRAFT STRUCTURAL STRESS CO5 6Hrs

Introduction to brief history of Aircraft Structures-The four forces acting on aircraft-There are five major stresses to which all aircraft are subjected: – Tension-CompressionTorsion-Shear-Bending

UNIT VI: TRUSSES AND TRUSS ANALYSIS CO6 06Hrs

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TEXT BOOKS

1. Ramamurtham. S., ‘Strength of Materials’, 14th Edition, DhanpatRai Publications, 2011
2. Khurmi R S, ‘Applied Mechanics and Strength of Materials’, 5 Edition, S.Chandand company
3. Aircraft Structure By FAA
4. Aircraft Structure By Lalit Gupta And OP Sharma

Reference Books:

1. Popov E.P, ‘Engineering Mechanics of Solids’, 2nd Edition, Prentice-Hall of India, New Delhi, 2002.
2. Nash W.A, ‘Theory and problems in Strength of Materials’,Schaum Outline Series, McGraw-Hill Book Co., New York, 1995.
3. Kazimi S.M.A, ‘Solid Mechanics’, Tata McGraw-Hill Publishing Co., New Delhi, 2003.
4. Ryder G.H, ‘Strength of Materials’, 3rd Edition, Macmillan India Limited, 2002.
5. Bansal R. K, ‘Strength of Materials’,Laxmi Publications, New Delhi, 2012.
6. Timoshenko S.P, ‘Elements of Strength of Materials’, Tata McGraw-Hill, Delhi,

LIST OF SOFTWARE/LEARNING WEBSITES

1. http://www.faa.gov/regulations policies/handbooks manuals/aviation/pilot handbook/media/P HAK%20-%20Chapter%2002.pdf
2. https://www.faa.gov/regulations policies/handbooks manualsaircrai’tamt airframe handbook/ media/ama ch01.pdf
3. www.wikipedia.org/wiki/Shear and moment diagram
4. http://home.iitk.ac.in/~mohite/Basic construction.pdf
5. www.engineerstudent.co.uk/stress and strain.html
6. https://www.iit.edu/arc/workshops/pdfs/Moment Inertia.pdf

Suggested List of Student Activities:

Note: the following activities or similar activities for assessing CIE (IA) for 5 marks (Any one)

1. Each student should do any one of the following type activity or any other similar activity related to the course and before conduction, get it approved from concerned Teacher and HOD.
2. Each student should conduct different activity and no repeating should occur

1. Make a report on various loads acting on structural members of an aircraft
2. Market Survey specific to properties of Various type of Materials used in Aeronautical Engineering and make report
3. Make a report on various types of trusses in use and their application

Course Delivery:

• The course will be delivered through lectures and Power point presentations/ Video
• Teachers can prepare or download ppt of different topic’s Aeronautical engineering application, can prepare alternative slides.

Model Question Paper:

(CIE)

1. Define Poisson’s ratio and Modulus of Rigidity
2. A load of 5KN is to be raised with the help of a steel wire. Find the diameter of the steel wire, if the stress is not to exceed 100MPa.
3. A cantilever beam ‘5.’ m long carries point loads of 1 KN, 2KN and 3 KN at ‘5.’ m, ‘0.’ m and ‘5.’ m from the fixed end respectively. Draw the SFD and BMD for the beam.

OR
A simply supported beam of length 8m carries two point loads of 30KN and 40KN respectively at a distance of 5.m and 5.m from the left support. Also it carries a UDL of 10KN/m between the point loads, draw shear force and bending moment diagram.

4. Explain Shear force and Bending Moment in beams

OR
Explain Sagging and Hogging bending Moment

Model Question Paper:

PART-A

(Each questions carries 5 marks)

1. Define bulk Modulus and Shear Modulus
2. Draw stress strain diagram for Brittle materials with all parameters
3. State Parallel and perpendicular axis theorem
4. Locate CG for Triangle, Rectangle, Circle, Semi-circle with the help of simple diagram
5. Define Shear force and Bending Moment in beams
6. Illustrate the importance -sign convention to draw SFD and BMD
7. Define truss type of construction and explain any one type of trusses
8. Write a note on history of aircraft structure
9. Write a noteon Major Components of aircraft and their functions

PART-B

(Each questions carries 10 marks)

1. A steel rod 30mm x 15.mm and 500mm long is subjected to a axial pull of 75KN. Determine the changes in length, width and thickness and volume of bar. If young’s modulus is 200KN/mm2.
2. A bar of 30mm diameter is subjected to an axial pull of 80KN. The measured extension is
3. mm on a gauge length of 200mm and the change in diameter is 0.04mm. calculate the poisson’s ratio and the values of young’s Modulus,
4. Find the centre of gravity of the I-section having top flange of 100 X 20 mm, web 120 X 20 mm and bottom flange 150 X 20 mm. Also find M.I. of the section about XX axis passing through C.G. of the section.
5. An I section consists of top flange 100 X 30 mm, bottom flange 200 X 40 mm and web 180 X 20 mm. Find the M.I. about an axis passing through C.G. parallel to the base.
6. A cantilever of length 3 m carries a uniformly distributed load of
7. KN/m for entire length and a point load of 2 KN at a distance of 1 m from the free end. Draw the shear force and the bending moment diagrams for the beam.
8. A simply supported beam of length 5 m carries point loads of 2 KN and 4 KN and 5 KN at a distance of 1 m, 3 m and 4 m from left support. Draw S.F. and B.M. diagrams for the beam.
9. Define centre of gravity and Moment of Inertia, and State Parallel and perpendicular axis theorem
10. Write the torsion equation with all notations
11. Explain the forces acting on aircraft
12. Sketch various types of trusses and explain any one

For detail syllabus of all other subjects of BE Aero, C15 scheme do visit Aero 3rd Sem syllabus for C15 scheme.

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