EL3301 Syllabus - Heat Transfer And Its Applications - 2021 Regulation Anna University

EL3301 Syllabus - Heat Transfer And Its Applications - 2021 Regulation Anna University

EL3301	HEAT TRANSFER AND ITS APPLICATIONS	LPTC

3003

COURSE OBJECTIVES:

• To enable the students to learn heat transfer by conduction, convection and radiation and heat transfer equipments like evaporator and heat exchanger

UNIT I	CONDUCTION	9

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	9

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	9

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	9

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	9

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.

TOTAL: 45 PERIODS

COURSE OUTCOMES: Upon completion of this course,

1. the students will have knowledge in various heat transfer methodology in process engineering and to design heat transfer equipments such as furnace, boilers, heat exchangers evaporation

TEXT BOOKS:

1. Frank P. Incropera and David P. Dewitt, “Fundamentals of Heat and Mass Transfer”, Fifth Edition, Weily – India, New Delhi, 2009.
2. J.P. Holman, “Heat transfer”, Ninth Edition, Tata - McGraw Hill, New Delhi, 2009.

REFERENCES:

1. D.Q. Kern, “Process Heat Transfer”, Eighteenth Reprint, McGraw Hill, New York, 2008.
2. 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 Heinmann, 6th Edition, 2000.