Course101101087132 lectures
Lighter than Air Systems
Prof. Rajkumar S. Pant · IIT Bombay
Lectures
week-01
- Lecture 01: Introduction to the Course Content
- Lecture 02: Differences between LTA and HTA systems
- Lecture 03: The three conventional LTA systems
- Lecture 04: LTA gases, Types of Airships and their components
- Lecture 05: Introduction of Skyship 600 and USP of Airships
- Lecture 06: Applications of Airships
- Lecture 07 :Tethered Aerostat systems
- Lecture 08: Why use Aerostats
- Lecture 09: Some Queries on Aerostats
week-02
- Lecture 10: Historical developments of LTA systems, Part I
- Lecture 11: Historical developments of LTA systems, Part II
- Lecture 12: Historical developments of LTA systems, Part III
- Lecture 13: Historical developments of LTA systems, Part IV
- Lecture 14: Historical developments of LTA systems, Part V
- Lecture 15: Historical developmemts in LTA systems, Part VI
- Lecture 16:Overview of PADD
- Lecture 17: Remote Controlled Airships
- Lecture 18: Autonomous Airships
- Lecture 19: Indoor Blimp Projects by students
- Lecture 20: Biomimetic Airships
week-03
- Lecture 21: Introduction to Buoyancy
- Lecture 22: Basic Concepts of Aerostatics
- Lecture 23: Ballasting, Weigh off and Fuel weight recovery
- Lecture 24:In flight Ballast Collection methods
- Lecture 25: Static Lift Prediction Part I
- Lecture 26: Static Lift Prediction Part II
- Lecture 27 :Tutorial Problem 01 on Static Lift Estimation
week-04
- Lecture 28 :Effect of Humidity & Vapour Pressure
- Lecture 29 :Calculation of Ambient Air Density
- Lecture 30:Tutorial Problem 02 & 03 on Static Lift Estimation
- Lecture 31: Effect of Lifting Gas Purity, Superpressure and Superheat
- Lecture 32: Ballonet Air Weight Estimation
- Lecture 33: Net Static Lift of non rigid airships
- Lecture 34: Net Static Lift for other LTA systems
- Lecture 35 :Tutorial Problem 04 on Net Static Lift Estimation
week-05
- Lecture 36:Parameters affecting Static Lift
- Lecture 37:Effect of change in Atmospheric Pressure
- Lecture 38 :Tutorial Problem 05 on Change in Atmospheric Pressure
- Lecture 39:Effect of Superpressure
- Lecture 40 :Tutorial Problem 06 on effect of Superpressure
- Lecture 41: Effect of Slow change in Atmospheric Temperature and Superheat
- Lecture 42: Effect of Rapid change in Atmospheric Temperature
- Lecture 43: Tutorial Problem 07 on Change in Atmospheric Temperature and Superheat
- Lecture 44: Revision & Tutorial Problem 08 and 09 on Affecting Parameters of Static Lift
- Lecture 45:Effect of change in Relative Humidity
- Lecture 46: Effect of change in Lifting Gas Purity
- Lecture 47: Effect of change in Lifting Gas Volume
- Lecture 48: Determination of Inflation Fraction
- Lecture 49:Flight To Lower Ground Elevation
- Lecture 50: Tutorial Problem 10 on Helium Addition
- Lecture 51:Outdoor Hot Air Balloon
week-06
- Lecture 52: Pressure Height
- Lecture 53: Tutorial Problem 11 on Pressure Height Calculation
- Lecture 54: Sea Level Inflation Fraction
- Lecture 55 :Flight above Pressure Height
- Lecture 56: Effect of Change in Operating Altitude
- Lecture 57:Tutorial Problem 12 on Lifting Gas Loss
- Lecture 58: Descent Following Exceedance
- Lecture 59:Pressure Height for other LTA Vehicles
- Lecture 60: Discussion of Practice Questions
week-07
- Lecture 61: Envelope Materials Part I
- Lecture 62: Envelope Materials Part II
- Lecture 63: Envelope Materials Part III
- Lecture 64 :Fabric Testing Machines Part I
- Lecture 65: Fabric Testing Machines Part II
- Lecture 66: Need for Ground Handling
- Lecture 67: Aerium Hanger for CL 160 Airship
- Lecture 68: Ground Handling of Airships
- Lecture 69 Types of Mooring Masts and Design Requirements
- Lecture 70 Nose Battens for Envelopes
week-08
- Lecture 71: Need for Airship Design Methodology
- Lecture 72: Overview of Airship Design Methodology ADM
- Lecture 73: Details of Airship Design Methodology ADM
- Lecture 74: Inputs to Airship Design Methodology Part 1
- Lecture 75: Inputs to Airship Design Methodology Part 2
- Lecture 76: Design Constants in Airship Design Methodology
- Lecture 77: Outputs from Airship Design Methodology
- Lecture 78 : Statistical Data Used in Airship Design Methodology
- Lecture 79: Validation of Airship Design Methodology
- Lecture 80: Envelope Shapes for LTA Systems
- Lecture 81:Example of Application of Airship Design Methodology
- Lecture 82: Conclusions and Limitations of Airship Design Methodology
week-09
- Lecture 83: Sizing Procedure for Indoor Remotely Controlled Airships Part 1
- Lecture 84: Sizing Procedure for Indoor Remotely Controlled Airships Part 2
- Lecture 85: Sizing Procedure for Indoor Remotely Controlled Airships Part 3
- Lecture 86: Tutorial on Sizing of an Indoor Non Rigid Remotely Controlled Airship
- Lecture 87: Transportation Problems Faced by Remote Regions
- Lecture 88: Airships vs Helicopters Part I
- Lecture 89: Airships vs Helicopters Part II
- Lecture 90:Chaar Dham Yatra Part I
- Lecture 91: Chaar Dham Yatra Part II
week-10
- Lecture 92:History of Propulsive Systems on Airships
- Lecture 93: Steam and IC engines for Airships
- Lecture 94: Electric motors for Airships
- Lecture 95:Turboprops for Airships
- Lecture 96:Solar Propulsion and Thrust Vectoring on Airships
- Lecture 97: Lecture on Dynamics
- Lecture 98: Lecture on Drag
- Lecture 99: Aerodynamic Stability
- Lecture 100: Added Mass Effects
week-11
- Lecture 101: Introduction to Aerostat Design Methodology
- Lecture 94:Inputs for Aerostat Design Methodology
- Lecture 103: Design Constants in Aerostat Design Methodology
- Lecture 104: Overview of Aerostat Design Methodology
- Lecture 105: Equilibrium Analysis of Aerostats Part I
- Lecture 106: Equilibrium Analysis of Aerostats Part II
- Lecture 107: Methodology for Tether Profile Estimation
- Lecture 108: Sizing of Reusable Indoor Hot Air Balloon
- Lecture 109: Tutorial on Sizing of RIHAB
week-12
- Lecture 110: Introduction to High Altitude Airships
- Lecture 111:Technological challenges in HALE Platforms development Part I
- Lecture 112: Technological challenges in HALE Platforms development Part II
- Lecture 113: Initial sizing of Stratospheric Airships
- Lecture 114: Introduction to Hybrid Airships
- Lecture 115: Lockheed Martin's P 791 Hybrid Airship
- Lecture 116: Aeroscraft ML 866 Hybrid Airship
- Lecture 117: SkyCat Hybrid Airship
- Lecture 118 Rotary and Winged Hybrid Airships
- Lecture 119 : Hybrid Ultra Heavy Lift Cargo Vehicle Transport
- Lecture 120: Features of Hybrid Airships
- Lecture 121: Solar Powered Airships
Live Session
Syllabus and materials
At NPTEL, as the course publishes them.
Credits and licence
- Institution
- IIT Bombay
- Department
- Aerospace Engineering
- Teacher
- Prof. Rajkumar S. Pant
- Level
- Undergraduate
- Language
- English
- Subjects
- Engineering
- Source
- NPTEL
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
- Attribution
- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
- Who can watch
- NPTEL gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed
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