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Aim Of Objectives:
- To enable the students to learn heat transfer by conduction, convection and radiation and heat transfer equipments like evaporators and heat exchangers.
EL3301 – Heat Transfer and its Applications Syllabus
Unit – I: Conduction
Heat transfer by conduction in solids. Fourier’s law. Steady-state heat conduction through plane and composite wall. Radial heat conduction through hollow cylinder and hollow sphere. Concepts of thermal conductivity and thermal diffusivity. Unsteady state heat conduction. Heisler charts.
Unit – II: Convection
Heat flow in fluids. Boundary layers. Parallel, counter current and cross-flow heat exchangers. Log mean temperature difference. Overall and individual heat transfer coefficients. Application of dimensional analysis to convection. Natural and forced convection. Convective heat transfer in ducts, flat plates, falling film etc for laminar and turbulent regions. Heat transfer correlations and analogies.
Unit – III: Condensation & Boiling
Heat transfer from condensing vapors. Drop-wise and film-type condensation, Nusselt equation for vertical and horizontal plates/tubes. Heat transfer to boiling liquids and molten metals. Mechanisms of boiling. Pool boiling. Convective boiling. Correlations. Design of condensers and vaporizers.
Unit – IV: Heat Exchange Equipments
Shell and tube heat exchangers. Single-pass and multi-pass shell and tube heat exchangers. LMTD correction for multipass exchangers. Heat exchanger effectiveness. Fouling factors. Heat transfer units. Plate heat exchangers. Extended surface equipments. Heat transfer in packed and fluidized beds.
Unit – V: Radiation & Evaporation
Concept of thermal radiation. Black body and gray body concepts. Laws of radiation. Radiation between surfaces. View factors. Radiation shield. Evaporation. Single effect and multiple effect evaporators. Mass and enthalpy balance. Calculation of heat transfer area. Factors affecting the performance of evaporators.
Text Books:
- Frank P. Incropera and David P. Dewitt, “Fundamentals of Heat and Mass Transfer”, Fifth Edition, Weily – India, New Delhi, 2009.
- J.P. Holman, “Heat transfer”, Ninth Edition, Tata – McGraw Hill, New Delhi, 2009.
References:
- D.Q. Kern, “Process Heat Transfer”, Eighteenth Reprint, McGraw Hill, New York, 2008.
- J.M.Coulson and J.F. Richardson with J.R.Backhurst and J.H.Harker, “Coulson and Richardson’s Chemical Engineering”, Vol.1, “Fluid Flow, Heat Transfer and Mass Transfer”, Butterworth Heinemann, 6th Edition, 2000.
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