Subject Code & Name: CH25C06 – Heat Transfer
Regulation: R-2025
Semester: IV (Fourth Semester)
Branch: B.Tech. Chemical Engineering (Chem) / B. Tech. Chemical and Electrochemical Engineering (ChemElec) / B. Tech. Petroleum Engineering (Petrol) / B.Tech. Petrochemical Technology (Petrochem)
Credits / L-T-P: 4 Credits | L-T-P: 3-0-2
Course Objectives
- To provide knowledge on conduction, convection, radiation, phase change heat transfer and heat exchanger design for chemical engineering applications.
Full Unit-wise Syllabus
Unit I – Conduction
Introduction to heat transfer-General heat conduction equation, One dimensional steady state conduction in rectangular coordinate, One dimensional steady state conduction in cylindrical and spherical coordinate; Critical and optimum insulation; Extended surface heat transfer; Transient heat flow - Analysis of lumped parameter model – applications.
Practical: 1. Measurement of thermal conductivity 2. Heat transfer studies through composite wall 3. Heat transfer in Bare and Finned Tube Heat Exchanger
Activities: Analyze steady and transient heat conduction problems in different geometries.
Unit II – Convection
Introduction to Convective Heat Transfer; Dimensional analysis for -forced convection, free convection; Heat transfer co-relations for - laminar and internal flows, turbulent and internal flows, Co-relation for turbulent and external flows, for flow across tube banks, Momentum.Heat transfer analogies; Boundary layer heat transfer- Equations, Approximate analysis in boundary layer, Theoretical concepts of natural / free convention heat transfer; Empirical relations for free convention heat transfer.
Practical: Heat transfer studies by forced convection
Activities: Analyze convective heat transfer mechanisms under forced and natural convection, apply dimensional analysis and empirical correlations.
Unit III – Heat Exchanger
Classification of heat exchangers; Co-current, Counter current& Cross- current; log-mean temperature difference; overall heat transfer coefficient; fouling factors. Various types of shell and tube heat exchangers; Effectiveness-NTU; method of heat exchanger analysis; Design of - double pipe heat exchanger, shell and tube heat exchanger & Plate and Spiral Heat exchangers.
Practical: 1. Heat transfer Studies in Shell and Tube heat exchanger 2. Heat transfer in Double pipe heat exchanger
Activities: Perform preliminary design calculations for industrial heat exchangers.
Unit IV – Heat Transfer with Phase Change
Boiling and Condensation-Types-Condensation heat transfer over vertical plate, Condensation heat transfer for various conditions & geometries, Fundamentals of boiling heat transfer, boiling heat transfer co-relations.
Unit V – Evaporation
Types of evaporators, boiling point elevation and Duhring‘s rule, material and energy balances for single and multiple effect evaporators: forward, mixed and backward feeds, capacity and economy of evaporators.
Practical: 1. Heat transfer in Horizontal and vertical condenser 2. Heat transfer in Helical coil
Activities: Analyze boiling and condensation heat transfer mechanisms, evaluate evaporator performance and economy, solve material and energy balance problems in multiple effect evaporators.
Unit VI – Radiation & Industrial Applications
Introduction to radiation heat transfer, Thermal Radiation laws, Black and Gray bodies, Properties of a Blackbody, Kirchhoff’s Law, Radiation intensity and radiation view factor, Radiation heat exchange, Radiation shield and gas radiation, emissivity, radiation between black surfaces and grey surfaces. Solar radiations, combined heat transfer coefficients by convection and radiation. Industrial applications -Heat transfer through packed and fluidized bed.
Practical: 1. Emissivity measurement 2. Heat transfer in packed column
Activities: Analyze radiative heat transfer between surfaces.
Course Outcomes (COs)
- CO1: Mapping Mapping Understand the fundamental principles of conduction heat transfer under steady and transient conditions in different geometries.
- CO2: Apply convective heat transfer correlations to determine heat transfer coefficients for internal and external flow systems.
- CO3: Analyze heat exchanger performance using LMTD and effectiveness–NTU methods.
- CO4: Evaluate boiling, condensation, and evaporation processes used in industrial heat transfer applications.
- CO5: Design heat transfer systems involving radiation, packed beds, and fluidized beds for efficient industrial operation.
Assessment Pattern (Quick Note)
- Weightage: Continuous Assessment 40% | End Semester Examinations 60%
- Internal methodology: Assignments (20%), Experimental data analysis and heat transfer calculations (20%), Quiz/MCQs (20%), Internal Examinations (40%)
Source: Official Anna University – B.Tech. Chemical Engineering R-2025 Syllabus
Last Updated: October 2026
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