AI25403 Applied Thermodynamics – Semester IV – Agri – R-2025

Subject Code & Name: AI25403 – Applied Thermodynamics

Regulation: R-2025

Semester: IV (Fourth Semester)

Branch: B.Tech. Agricultural Engineering (Agri)

Credits / L-T-P: 3 Credits | L-T-P: 3-0-0

Course Objectives

• To impart fundamental knowledge of thermodynamic laws, properties of pure substances and gas mixtures for engineering applications.

Full Unit-wise Syllabus

Unit I – Fundamentals of Thermodynamics, First Law

Thermodynamic systems, properties, equilibrium, Zeroth law, temperature scales, and energy interactions - First law for closed/open systems, steady/unsteady flow processes, and applications to turbines, compressors, and nozzles.

Activities: Problem-solving assignment on First Law applications

Unit II – Second Law, Entropy, Availability

Heat engines, refrigerators, Carnot cycles, and Second Law statements – Entropy (T–s diagram; Tds equations), irreversibility, availability, and second law efficiency with engineering applications.

Activities: Case study on power plant efficiency

Unit III – Properties of Pure Substances, Gas Mixtures

Steam properties, thermodynamic diagrams, steam tables, and Mollier chart applications. Ideal/real gases, equations of state, compressibility, and corresponding states.

Activities: Numerical exercise using Steam Tables/Mollier chart

Unit IV – Thermodynamic Relations, Applications

Maxwell relations, TdS equations, Joule– Thomson effect, and Clausius–Clapeyron relation - Applications in power plants, refrigeration, exergy analysis, and energy audit concepts.

Activities: Seminar on exergy analysis of a simple thermal system

Course Outcomes (COs)

• CO1: Explain thermodynamic systems, laws and entropy principles for closed and open systems.
• CO2: Analyze thermodynamic processes using I and II laws and evaluate system efficiencies.
• CO3: Determine thermodynamic properties of pure substances and apply steam tables and Mollier charts in engineering calculations.
• CO4: Apply thermodynamic relations and equations of state to analyze ideal and real gas behavior.

Assessment Pattern (Quick Note)

• Weightage: Continuous Assessment 40% | End Semester Examinations 60% Methodology for Continuous Assessment: Quiz - 10%, Case study report – 20%; Seminar report – 20%, Internal Examinations – 50%

Source: Official Anna University – B.Tech. Agricultural Engineering R-2025 Syllabus
Last Updated: October 2026