Syllabus
Module-1
Introduction: Classification of heat exchangers, design of heat exchangers: engineering design-steps for designing, design a workable system, optimum systems, economics, probabilistic approach to design, sizing and rating problems; LMTD and ε-NTU approach of design. Introduction to design codes(ASME, TEMA, HTRI etc)
Design of double pipe heat exchangers: introduction, basic design procedure and theory, overall heat transfer coefficient, fouling factors , fins, weighted fin efficiency, pressure drop analysis, de-sign problems. Introduction to three fluid/ multi fluid heat exchanger behaviour.
Design of shell and tube heat exchangers – basic design procedure and theory, shell and tube exchangers: construction details, general design considerations: fluid allocation, shell and tube fluid velocities, tube-side and shell side heat-transfer coefficient and pressure drop, Kern’s method, design problems.
Module-2
Design of Condenser; Heat-transfer fundamentals, Condensation of steam, Condensation inside and outside horizontal tubes, Condensation inside and outside vertical tubes, De-superheating and sub-cooling, Pressure drop in condensers, design problems.
Design of Compact heat exchanger: introduction, design procedure of compact heat exchanger, pressure drop analysis of plate fin heat exchanger, problems. Plate heat exchanger: Gasketed plate heat exchangers, Welded plate, advantages and disadvantages over the other heat exchangers, de-sign procedure, heat transfer coefficient and pressure drop calculation on both the sides of exchanger, problems on plate exchanger.
Module-3
Thermal design of heat exchanger such as Regenerative heat exchanger, Super heater, Air pre-heaters, analysis and design of cooling towers.
Heat pipe: introduction, working principle, working fluids, wick structure and material, classification of heat pipe, pressure variation along the heat pipe, limitations of a heat pipe, problems on heat pipe.