MTech Design Of Heat Transfer Equipment syllabus for 2 Sem 2020 scheme 20MAU254

Introduction to Heat Exchangers:

Definition, Applications, Various methods of classification of heat exchangers with examples, Governing Equation for heat exchangers: Derivation from steady-state steady-flow considerations.

Mathematical treatment of Heat Exchangers:

Concept of Overall Heat Transfer Coefficient, Derivation of the concerned equations, Fouling, Fouling Factor, Factors contributing to fouling of a heat exchanger, Ill-Effects of fouling, Numerical Problems

Concept of Logarithmic Mean Temperature Difference:

Expression for single-pass parallel-flow and single-pass counter flow heat exchangers – Derivation from first principles, Special Cases, LMTD for a single-pass cross-flow heat exchanger – Nusselt‟s approach, Chart solutions of Bowman et al. pertaining to LMTD analysis for various kinds of heat exchangers, Numerical Problems, Arithmetic Mean Temperature Difference [AMTD], Relation between AMTD and LMTD, Logical Contrast between AMTD and LMTD, LMTD of a single-pass heat exchanger with linearly varying overall heat transfer coefficient [U] along the length of the heat exchanger

Concept of Effectiveness:

Effectiveness-Number of Transfer Units Approach, Effectiveness of single-pass parallel-flow and counter-flow heat exchangers, Physical significance of NTU, Heat capacity ratio, Different special cases of the above approach, Chart solutions of Kays and London pertaining to Effectiveness-NTU approach, Numerical Problems.

Hair-Pin Heat Exchangers:

Introduction to Counter-flow Doublepipe or Hair-Pin heat exchangers, Industrial versions of the same, Film coefficients in tubes and annuli, Pressure drop, Augmentation of performance of hair-pin heat exchangers, Series and Series-Parallel arrangements of hair-pin heat exchangers, Comprehensive Design Algorithm for hair-pin heat exchangers, Numerical Problems

Shell and Tube Heat Exchangers:

Single-Pass, One shell-Two tube and other heat exchangers, Industrial versions of the same, Classification and Nomenclature, Baffle arrangement, Types of Baffles, Tube arrangement, Types of tube pitch lay-outs, Shell and Tube side film coefficients, Pressure drop calculations, Numerical Problems

Course outcomes:

At the end of the course the student will be able to:

CO1: Understand the physics and the mathematical treatment of typical heat exchangers

CO2: Apply LMTD and Effectiveness - NTU methods in the analysis of heat exchangers

CO3:Design and analyze the shell and tube heat exchanger

CO4:Design and analyze the shell and tube heat exchanger

CO5:Choose the heat exchanger for the specific application

Question paper pattern:

The SEE question paper will be set for 100 marks and the marks scored will be proportionately reduced to 60.

• The question paper will have ten full questions carrying equal marks.
• Each full question is for 20 marks.
• There will be two full questions (with a maximum of four sub questions) from each module.
• Each full question will have sub question covering all the topics under a module.
• The students will have to answer five full questions, selecting one full question from each module.

Textbook/ Textbooks

(1) Kays, W. M. and London, A. L., Compact Heat Exchangersm McGraw – Hill, New York 2nd Edition

(2) Donald Q. Kern Process Heat Transfer Echo Point Books and Media Illustrated, reprint,2019

Reference Books

(1) Incropera, F. P. and De Witt, D. P, Fundamentals of Heat and Mass Transfer John Wiley and Sons, New York 7th Edition,2013

(2) Yunus A Cengel; Afshin J. Ghajar, Mc Graw Hill education Heat and Mass Transfer: Fundamentals and Applications (SIE) 5th Edition, 2017

(3) J Holman, Souvik Bhattacharyya, Mc Graw Hill education Heat Transfer – SIE 10th Edition, 2017