Diesel Electric Submarines

Duration: 17 min

This video lesson is available to enrolled students.

Return to /learn/BIHAR-STET-COMPUTER-SCIENCE-COMPLETE-COURSE/general-knowledge/physics/multi-topic-content-cross-concept-material/asset-diesel-electric-submarines after enrolling

Inside: a video lesson and guided study material.

Module outline

  1. About the course: About the Course
  2. Mathematical Aptitude: संख्या पद्धति / Number System, महत्तम समापवर्तक और लघुत्तम समापवर्त्य / HCF and LCM, Divisibility Rules, प्रतिशत / Percentage, अनुपात और समानुपात / Ratio and Proportion, औसत / Average, लाभ, हानि और बट्टा / Profit, Loss and Discount, समय और कार्य / Time and Work, घन क्षेत्रमिति / Solid Mensuration, साधारण और चक्रवृद्धि ब्याज / Simple and Compound Interest, समय, चाल और दूरी / Time, Speed and Distance, Age Problems, मिश्रण और एलिगेशन / Mixture and Alligation, Algebra, सरलीकरण, घातांक और करणी / Simplification, Indices and Surds, Pipe and Cistern, Trigonometry, Statistics, आँकड़ा निर्वचन / Data Interpretation, Arithmetic, समुच्चय, संबंध, फलन और विविक्त गणित / Sets, Relations, Functions and Discrete Mathematics, संख्या पद्धति और संख्या सिद्धांत / Number Systems and Number Theory, निर्देशांक ज्यामिति, सदिश और त्रिविमीय ज्यामिति / Coordinate Geometry, Vectors and 3D Geometry, बहुपद, समीकरण और सम्मिश्र संख्याएँ / Polynomials, Equations and Complex Numbers
  3. Logical Reasoning: श्रेणी / Series, कूट लेखन एवं कूट वाचन / Coding-Decoding, सादृश्यता एवं वर्गीकरण / Analogy and Classification, रक्त संबंध / Blood Relations, दिशा एवं दूरी / Direction and Distance, क्रम एवं रैंकिंग / Order and Ranking, अशाब्दिक तर्क / Non-Verbal Reasoning, बैठक व्यवस्था एवं पहेलियाँ / Seating Arrangement and Puzzles, Syllogisms, वेन आरेख, न्याय वाक्य एवं असमानता / Venn Diagrams, Syllogism and Inequalities, गणितीय संक्रियाएँ एवं लुप्त संख्या / Mathematical Operations and Missing Numbers, वर्णमाला एवं संख्या परीक्षण / Alphabet and Number Test, कथन आधारित तार्किक विवेचन / Statement-Based Reasoning, Analytical Reasoning (Counting Figures Reasoning), घन, पासा एवं आकृतियों की गिनती / Cubes, Dice and Figure Counting, कैलेंडर एवं घड़ी / Calendar and Clock, Clock
  4. General Knowledge: वैज्ञानिक उपलब्धियाँ और अनुसंधान / Scientific Achievements and Research, Chemistry, Biology, History, Geography, Polity, Indian Economy, समसामयिकी / Current Affairs, Static General Knowledge
  5. Art of Teaching: शिक्षण-अधिगम प्रक्रिया एवं कक्षा प्रबंधन / Teaching-Learning Process and Classroom Management, Learners & Learning Process, Factors Affecting Teaching, शिक्षण विधियाँ एवं उपागम / Teaching Methods and Approaches, सूक्ष्म शिक्षण एवं कक्षा संप्रेषण / Microteaching and Classroom Communication, शिक्षण सहायक सामग्री एवं शैक्षिक तकनीकी / Teaching Aids and Educational Technology, आकलन एवं मूल्यांकन / Assessment and Evaluation, शिक्षक: गुण, व्यावसायिक नैतिकता एवं विकास / Teacher: Qualities, Professional Ethics and Development, शैक्षिक नीतियाँ, अधिनियम एवं प्रशासन / Educational Policies, Acts and Administration, पाठ्यचर्या, कला एवं सह-शैक्षिक क्षेत्र / Curriculum, Arts and Co-curricular Areas, निर्देशन एवं परामर्श / Guidance and Counselling, दिव्यांग बच्चों की शिक्षा / Education of Children with Disabilities, Micro-Teaching & Teaching Skills, पाठ योजना / Lesson Planning
  6. Environmental Science: Environment
  7. Unit 1 | Digital Electronics: Digital Systems & Boolean Basics, Logic Gates & Hardware, Boolean Expression, Boolean Minimization, Combinational Circuit, Sequential Circuits, Number System, Number Representation
  8. Unit 2 | COA: Basics of COA, Floating Point Rep, Cache Memory Organization, Input Output Organisation, Instr Formats & Modes, Control Unit Design, Register Transfer and Microoperations, Programming the Basic Computer
  9. Unit 3 | C Programming: C Fundamentals, Control Flow, Functions, Arrays & Pointers, Storage Classes, Structures & Enums, DMA, Macros, Scoping & File Handling
  10. Unit 3 | Data Structures: Introduction to DS, Array, Stack, Queue, Linked List, Tree, Graphs, Hashing
  11. Unit 4 | Algorithms: Algorithm Analysis, Time Complexity Analysis, Sorting Algorithms, Dynamic Programming, Minimum Spanning Trees, Shortest Path Algos, Advanced Algorithms
  12. Unit 5 | Operating System: Introduction to OS, Process Management, CPU Scheduling, Process Synchronization, Threads & Process Creation, Deadlock, Memory Management, Virtual Memory, Disc Scheduling, File Management
  13. Unit 6 | Database Management System: Basics of DBMS, ER Diagram, Relational Model & Functional Dependencies, Keys & Integrity Constraints, Normalization (1NF - BCNF), Decomposition Properties & 4NF, File Organization & Indexing, Relational Algebra, SQL, Transaction Management, Concurrency Control
  14. Unit 7 | Computer Networks: Introduction to CN, Data Communication, DLL: Access Control, DLL: Flow Control, DLL: Error Control, DLL: Framing, Data Link Layer - Ethernet, Net Layer: IPv4 & Proto, Net Layer: IP Addressing, Net Layer:Routing Protocol, Transport Layer Services, TL: Congestion & UDP, Application Layer
  15. Unit 8 | Software Engineering: Fundamentals of Software Engineering, Software Requirements and Quality Assurance, Software Design, Estimation and Metrics, Software Testing, Software Maintenance and Configuration Management
  16. Unit 9 | Object Oriented Programming: OOPS with C++
  17. Unit 10 | Web Development: HTML Basics, CSS, JavaScript-Basics, XML, Node.js
  18. Unit 11 | Theory Of Computation: Introduction to TOC, Deterministic FA (DFA), Non-Deterministic FA, Regular Expressions, Grammar, Regular Language Properties, Moore & Mealy Machines, Pushdown Automata & CFG, Turing Machines
  19. Unit 12 | IoT: Emerging Tech Trends, Cloud Computing, कंप्यूटर नेटवर्क / Computer Networks
  20. Unit 13 | Artificial Intelligence: Approaches to AI, Search Algorithms, Game Playing, Knowledge Representation, Natural Language Processing, Artificial Neural Networks, Genetic Algorithms
  21. Unit 14 | E-Commerce: Electronic Data Interchange and E-Commerce, Role of Internet and Web Services, Security in Mobile and Wireless Computing, Physical Security and Cryptography Basics, Cyber Safety and Security
  22. Unit 15 | Multimedia: Multimedia
  23. Unit 16 | Python: Introduction to Python, Tokens, Variables, Data Types, I/O, Operators & Expressions, Control Flow & Looping, Collections & Strings, Functions & Modules, File Handling & Data Analysis, DSA using Python
  24. Full Length Mock Tests — General Paper:
  25. Full Length Mock Tests — Computer Science (Paper II):
AI summary & chapters

AI Summary

An AI-generated summary of this video lecture.

The video provides a comprehensive overview of submarine propulsion systems, contrasting diesel-electric submarines with nuclear-powered and air-independent propulsion (AIP) systems. It explains how diesel-electric submarines use batteries charged by diesel engines, necessitating snorkeling for oxygen, which makes them vulnerable. The video then details how AIP technology allows non-nuclear submarines to operate silently underwater by using stored liquid oxygen to power diesel engines, eliminating the need for snorkeling. The lesson concludes with a case study of India's Scorpene-class submarines, detailing their diesel-electric propulsion and the planned integration of AIP systems to enhance their stealth and operational endurance.

Chapters

  1. 0:00 – 2:00 00:00-02:00

    The video begins by defining diesel-electric submarines, explaining that they run on diesel and electricity, using a large battery network charged by the diesel engine. A key point is that these submarines must snorkel to access atmospheric oxygen, making them vulnerable to detection. The instructor notes this as a fundamental limitation of non-nuclear submarines.

  2. 2:00 – 5:00 02:00-05:00

    The instructor introduces Air-Independent Propulsion (AIP) as the solution to the snorkeling vulnerability. AIP allows non-nuclear submarines to operate silently underwater by using stored liquid oxygen (LOX) to power the diesel engine, eliminating the need to surface. The video explains the process: LOX is stored in tanks, sent to the diesel engine, and used to combust ethanol to generate steam, which then powers a turbine. This makes AIP-equipped submarines significantly stealthier than traditional diesel-electric models.

  3. 5:00 – 10:00 05:00-10:00

    The video compares the noise levels of different submarine propulsion systems. It explains that while modern nuclear submarines are very quiet, non-nuclear submarines with AIP are also becoming stealthier. The instructor notes that while some modern non-nuclear submarines use natural circulation, most naval nuclear reactors use pumps to circulate coolant, generating some detectable noise. The key takeaway is that AIP-equipped non-nuclear submarines can be virtually silent, offering a significant advantage in stealth operations.

  4. 10:00 – 15:00 10:00-15:00

    The video shifts to a case study of India's Scorpene-class submarines, which are diesel-electric. The instructor explains that these submarines, built under Project 75, are among the most sophisticated in the Indian Navy. The video details the commissioning dates of the six submarines: INS Kalvari (2017), INS Kharder (2019), INS Karanj (2021), INS Vela (2021), INS Vagir (2023), and INS Vagsheer (2025). The instructor notes that while these submarines are advanced, they are not equipped with AIP, which is a limitation for their operational endurance.

  5. 15:00 – 16:32 15:00-16:32

    The video concludes by discussing the future of the Scorpene-class submarines. The instructor explains that the Indian Navy is planning to install AIP modules on all six submarines to enhance their stealth and endurance. This upgrade will allow the submarines to operate underwater for longer periods without needing to surface, significantly improving their operational capabilities. The video ends by emphasizing the strategic importance of AIP technology in modern naval warfare.

The video systematically explains the evolution and advantages of submarine propulsion systems, from basic diesel-electric to advanced AIP technology. It highlights how AIP enables non-nuclear submarines to operate silently underwater, making them more stealthy than traditional models. The case study of India's Scorpene-class submarines illustrates the practical application of these concepts, showing how the Indian Navy is upgrading its fleet with AIP to enhance operational capabilities and endurance.

Loading lesson…