Sathyabama Institute of Science and Technology B.Tech - Chemical Engineering SCHA1301 Heat Transfer Syllabus

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Sathyabama Institute of Science and Technology B.Tech - Chemical Engineering SCHA1301 Heat Transfer Syllabus

SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL OF BIO AND CHEMICAL ENGINEERING

SCHA1301 HEAT TRANSFER
L T P Credits Total Marks
3 * 0 3 100

UNIT 1 INTRODUCTION TO MODES OF HEAT TRANSFER 9 Hrs.
Basic Considerations: Importance of heat transfer in Chemical Engineering operations. Modes of heat transfer. Mean
temperature difference. Conduction: Concept of heat conduction. Fourier’s law of heat conduction. One-dimensional steady
state heat conduction equation for flat plate, hollow cylinder and hollow sphere. Heat conduction through a series of
resistances. Critical thickness of insulation, Analogy between flow of heat and flow of electricity. Thermal conductivity,
Conduction through liquids. Conduction through extended surfaces.

UNIT 2 CONVECTIVE HEAT TRANSFER PROCESSES 9 Hrs.
Film Coefficients and their applications: Individual and overall heat transfer coefficients and relationship between them.
Transient heat conduction. Convection: Concept of heat transfer by convection. Natural and forced convection. Applications
of dimensional analysis for convection. Derivation of equations for forced convection under laminar, transition and turbulent
conditions. Equations for natural convections. Heat transfer from condensing vapors. Heat transfer to boiling liquids.
Influence of boundary layer on heat transfer.

UNIT 3 HEAT EXCHANGERS 9 Hrs.
Parallel and counter flow heat exchangers. Log mean temperature difference. Single pass and multi pass heat exchangers.
Plate heat exchangers. Use of correction factor charts. Heat exchanger effectiveness and its use. Number of transfer units
charts for different configurations. Fouling factor and Wilson’s plot. Various types of heat exchangers. Heat exchanger
design. Design of condensers. Effect of non-condensable. Heat transfer equipment auxiliaries: Steam trap.

UNIT 4 RADIATION 9 Hrs.
Concept of thermal radiation. Concept of black and gray bodies. Stefan-Boltzmann law. Kirchoff’s law. Radiation between
surfaces. Radiation from gases. Clouds of particles and luminous flames. Radiation error in temperature measurement.
Radiation from shields. Radiation shape factor and relations between shape factor. Combined heat transfers by conduction
and convection in radiation.

UNIT 5 EVAPORATION 9 Hrs.
Introduction. Types of evaporators. Single and multiple effect evaporation. Capacity and economy of multi effect
evaporators. Thermo re-compression evaporators Vapour re-compression and thermal re-compression evaporators, Effect
of liquid head and boiling point elevation. Duhring’s rule. Liquid characteristics. Material and energy balance in evaporators.
Illustrated examples.
Max.45 Hrs.

COURSE OUTCOMES
On completion of the course, student will be able to
CO1 - Understand the real time applications of solid medium heat transfer.
CO2 - Develop the real time applications of fluid medium heat transfer.
CO3 - Express the knowledge of design skills of heat exchangers.
CO4 - Apply the real time applications of radiation mode of heat transfer (no media)
CO5 - Understand the principle and operation of various types of evaporators.
CO6 - Obtain the applications of different modes heat transfer processes.

TEXT / REFERENCE BOOKS
1. McCabe M.L. and Smith J.C., Unit Operations in Chemical Engineering, 7th Edition, McGraw Hill, 2009.
2. Donald Q. Kern, Processes Heat Transfer, 5th Edition, Tata McGraw Hill, 2001.
3. McAdams W.H., Heat Transmission, 5th Edition, McGraw Hill, 2011.
4. Necati Ozisik M., Basic Heat Transfer, 4th Edition, McGraw Hill and Kogakusha, 2002.
5. Holman J.P., Heat Transfer, 9th Edition, Tata McGraw Hill, 2004.

END SEMESTER EXAMINATION QUESTION PAPER PATTERN
Max. Marks: 100 Exam Duration: 3 Hrs.
Part A: 10 Questions of 2 marks each - No choice 20 Marks
Part B: 2 Questions from each unit of internal choice, each carrying 16 marks 80 Marks