Lecture

Lec-7 Ideal Gas Laws, Different Processes

This module explores the Ideal Gas Laws and various thermodynamic processes. Key areas of focus include:

  • The Ideal Gas Law and its applications
  • Different thermodynamic processes: isothermal, adiabatic, and isochoric
  • Real gas behavior and deviations from ideal conditions
  • Applications of gas laws in marine systems

By mastering these concepts, students will be prepared to analyze gas behavior in various marine engineering contexts, enhancing their problem-solving skills.


Course Lectures
  • This module introduces the foundational concepts of thermodynamics essential for marine systems. Students will learn key definitions and terminologies that form the basis for understanding more complex thermodynamic principles. Topics covered include:

    • Basic definitions in thermodynamics
    • Importance of thermodynamics in marine applications
    • Overview of energy systems
    • Introduction to system boundaries and properties

    By the end of this module, students will have a clear understanding of the basic principles that govern thermodynamic processes, setting the stage for deeper explorations in subsequent modules.

  • This module delves into the First Law of Thermodynamics as applied to closed systems. It explains the conservation of energy, emphasizing the relationship between heat, work, and internal energy. Key aspects include:

    • Understanding closed systems
    • Energy transfer mechanisms
    • Mathematical expressions of the First Law
    • Examples and applications in marine systems

    Students will gain the ability to analyze energy interactions within closed systems, equipping them for advanced discussions on energy management in marine engineering.

  • This module covers the First Law of Thermodynamics in open systems, which are critical for understanding fluid flow in marine applications. Students will learn about:

    • Energy balance in open systems
    • Flow work and its significance
    • Applications of the First Law in real-world scenarios
    • Case studies involving marine machinery

    By the end of this module, students will be able to apply the First Law to analyze energy transfers in systems such as engines and turbines, crucial for marine engineering.

  • The Second Law of Thermodynamics is a cornerstone of thermodynamic studies. This module introduces its principles and implications, focusing on:

    • Understanding entropy and its significance
    • Heat engines and their efficiencies
    • The concept of irreversibility in processes
    • Applications in marine systems

    Students will learn to analyze systems in terms of energy quality and will understand the limitations imposed by the Second Law, enhancing their ability to design efficient marine systems.

  • This module explores the Carnot Principle, a key concept in understanding thermodynamic efficiency. Students will investigate:

    • The Carnot cycle and its theoretical foundations
    • Comparison of real and ideal cycles
    • Implications of the Carnot efficiency
    • Applications in marine systems and engineering

    By understanding the Carnot Principle, students will be better equipped to assess the performance of heat engines and refrigeration cycles in marine applications.

  • This module provides insights into the properties of pure substances and the use of steam tables. Key topics include:

    • Defining pure substances and their phases
    • Utilizing steam tables for thermodynamic calculations
    • Understanding phase changes and their implications
    • Applications in marine power systems

    Students will learn how to apply steam tables to solve real-world problems, enhancing their practical understanding of thermodynamic properties crucial for marine engineering.

  • This module explores the Ideal Gas Laws and various thermodynamic processes. Key areas of focus include:

    • The Ideal Gas Law and its applications
    • Different thermodynamic processes: isothermal, adiabatic, and isochoric
    • Real gas behavior and deviations from ideal conditions
    • Applications of gas laws in marine systems

    By mastering these concepts, students will be prepared to analyze gas behavior in various marine engineering contexts, enhancing their problem-solving skills.

  • This module introduces the Vapour Power Cycle, a fundamental concept in thermodynamics that describes how heat energy is converted into mechanical work. Key topics include:

    • Theoretical framework of the vapour power cycle
    • Applications in marine systems
    • Components of the cycle, including boiler, turbine, condenser, and pump
    • Efficiency considerations and performance metrics

    Students will engage in problem-solving exercises to analyze the cycle's operational characteristics and its relevance to real-world marine applications.

  • Lec-9 Vapour Power Cycle
    Prof. P.K. Das

    The Vapour Power Cycle module delves deeper into the operational principles and applications of the cycle. Students will learn:

    • Detailed thermodynamic analysis of the cycle
    • Impact of different working fluids
    • Performance under varying operating conditions
    • Real-world applications in marine and industrial contexts

    This module also encourages students to conduct simulations to visualize the cycle's efficiency and performance metrics.

  • This module covers the Steam Power Cycle, emphasizing its significance in energy generation and propulsion systems in marine applications. Key areas of study include:

    • Components of the steam power cycle
    • Thermodynamic principles governing steam generation
    • Steam nozzle design and performance
    • Efficiency improvement strategies

    Students will also explore case studies demonstrating the practical applications of the steam power cycle in maritime technology.

  • The Basic Concept of Turbine module introduces students to the fundamental principles of turbine operation and design. Topics include:

    • Types of turbines used in marine systems
    • Basic equations governing turbine efficiency
    • Velocity diagrams and their importance in design
    • Analysis of energy conversion in turbines

    Practical exercises will allow students to create and analyze velocity diagrams to enhance their understanding of turbine performance.

  • This module focuses on Steam Turbine-Impulse, a key component in power generation. It encompasses:

    • Impulse turbine theory and operation
    • Applications in marine propulsion
    • Design considerations for efficiency
    • Performance analysis of impulse turbines

    Students will also engage in hands-on projects to understand the practical aspects of impulse turbine implementation.

  • In this module, students will explore Reaction Turbine Compounding, focusing on advanced concepts of turbine design and efficiency. Key topics include:

    • Theory behind reaction turbines
    • Compounding methods and their advantages
    • Performance characteristics of reaction turbines
    • Applications in marine engineering

    The module includes practical exercises aimed at understanding the design process and performance metrics of reaction turbines.

  • This module examines the Comparison of Different Staging Arrangements for turbines. Students will learn:

    • Various staging methods and their implications
    • Efficiency comparisons between staging arrangements
    • Impact on overall system performance
    • Case studies illustrating successful applications

    Students will participate in discussions and analyses to evaluate the effectiveness of different staging arrangements in marine systems.

  • This module focuses on the Basics Laws of Fluid Mechanics, which are crucial for understanding fluid behavior in marine systems. Students will explore fundamental concepts such as:

    • Fluid statics and dynamics
    • Continuity equation
    • Bernoulli’s principle
    • Viscosity and its effects on fluid flow
    • Reynolds number and its significance

    Through theoretical instruction and practical examples, learners will gain insights into how these principles apply to marine engineering, including the design and operation of various systems involving fluids.

  • The Refrigeration Vapour Compression Cycle module delves into the principles and applications of refrigeration systems. It covers:

    1. Basic refrigeration cycle components: compressors, condensers, expansion valves, and evaporators.
    2. Thermodynamic principles underlying the cycle.
    3. Efficiency considerations and performance analysis.
    4. Common applications in marine systems, including cooling and air conditioning.

    Students will learn how to analyze and optimize refrigeration systems, making them essential for maintaining stable temperatures in marine environments.

  • This module on Pipeline & Pipe Network examines the design and analysis of piping systems used in marine applications. Key topics include:

    • Types of pipes and materials.
    • Pipe sizing and layout for optimal flow.
    • Effects of fluid characteristics on pipe design.
    • Network analysis for distribution systems.
    • Real-world applications in marine environments.

    Students will engage in practical exercises to design efficient pipe networks, considering factors such as fluid dynamics and pressure losses.

  • The Pipe Friction, Major Loss, Minor Loss module focuses on understanding losses in fluid flow through pipes. Students will cover:

    • Types of losses: major and minor.
    • Factors affecting pipe friction.
    • Calculating pressure drops and head losses.
    • Methods to minimize losses in marine systems.

    This knowledge is vital for optimizing pipe system design, ensuring efficient fluid transport in various marine applications.

  • Lec-19 Psychometrics
    Prof. P.K. Das

    The Psycometrics module introduces the study of air and its properties, essential for understanding thermal comfort in marine environments. Key topics include:

    • Humidity and its measurement.
    • Psychrometric chart analysis.
    • Effects of temperature and pressure on air properties.
    • Applications in HVAC systems.

    Students will learn to utilize psychrometric charts for real-world applications, such as designing effective climate control systems in ships and marine facilities.

  • Continuing from the previous module, this section on Psycometrics (Contd...) further explores advanced concepts and applications. Topics covered include:

    • Advanced psychrometric processes.
    • Applications in air conditioning systems.
    • Energy efficiency in HVAC systems.
    • Real-world case studies in marine settings.

    This module emphasizes practical applications and the importance of understanding psychometric principles for effective environmental control in marine engineering.

  • The Psychometric Processes module focuses on the specific processes involved in manipulating air properties for comfort and efficiency. Topics include:

    • Heating and cooling processes.
    • Dehumidification and humidification.
    • Mixing air streams with different properties.
    • Applications in marine HVAC systems.

    Students will develop skills to analyze and design systems that effectively control air quality and comfort in marine environments, considering both thermal and moisture conditions.

  • This module focuses on psychometric processes, emphasizing their significance in air conditioning systems. Understanding the properties of air and moisture content is crucial for effective HVAC design.

    Key areas covered include:

    • Definition of psychrometrics
    • Psychrometric chart utilization
    • Calculating humidity ratios
    • Understanding enthalpy and its role in air conditioning
    • Applications in cooling and heating processes
  • This module delves into the concepts of summer and winter air conditioning, focusing on the different requirements and methodologies for effective climate control throughout the year.

    Topics covered include:

    • Seasonal variations in cooling and heating loads
    • Design considerations for summer air conditioning
    • Energy efficiency strategies during winter
    • Types of air conditioning systems suitable for different seasons
    • Control systems for optimal performance
  • This module introduces gas power cycles and their applications in internal combustion (IC) engines. Students will learn about the thermodynamic principles governing these cycles and their practical implications.

    Key areas of study include:

    • Overview of gas power cycles
    • Brayton cycle fundamentals
    • Efficiency considerations for IC engines
    • Comparative analysis of different gas cycles
    • Real-world applications and performance metrics
  • Lec-25 Gas Turbine Cycles
    Prof. P.K. Das

    This module addresses gas turbine cycles, providing a comprehensive understanding of their design and operation. Gas turbines are vital in various applications, including aviation and power generation.

    Topics include:

    • Fundamental principles of gas turbines
    • Thermodynamic cycles related to gas turbines
    • Efficiency optimization strategies
    • Components of gas turbine systems
    • Case studies of gas turbine applications
  • This module covers the modification of the Brayton cycle, which is essential for enhancing the efficiency of gas turbine systems. Students will analyze various modifications and their impacts on performance.

    Key topics include:

    • Overview of the Brayton cycle
    • Common modifications and their purposes
    • Effect of modifications on efficiency
    • Real-world applications of modified cycles
    • Future trends in gas turbine technology
  • This module introduces convective heat transfer, a critical concept in thermodynamics. Students will explore both forced and free convection, understanding their principles and applications in various marine systems.

    Topics covered include:

    • Basics of heat transfer mechanisms
    • Differences between forced and free convection
    • Factors affecting convective heat transfer
    • Applications in marine engineering
    • Real-world case studies of convection in systems