Course Details

Subject {L-T-P / C} : CH6105 : Advanced Heat Transfer {3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Soumya Sanjeeb Mohapatra

Syllabus

Derivation of energy equation for conduction in three dimensions. Transient conduction- Concept of Biot number – Lumped capacitance formulation unsteady conduction from a semi-infinite solid-solution by similarity transformation method. Solution of the general 1D unsteady problem by separation of variables, Laplace equation – solution by variable separable method – concept of superposition and homogeneous boundary conditions. Numerical solution of conduction problems-Basic ideas of finite difference method –forward, backward and central differences – Discretization for the unsteady heat equation.

Derivation of governing equation for convection. 2D laminar coquette flow and non-dimensional numbers. Concept of Adiabatic wall temperature. Integral methods for momentum and thermal boundary layers. Pipe flow – concept of developed temperature profile and solutions for constant wall flux and constant wall temperature boundary conditions. Solution of entry length problem for constant wall and constant wall flux boundary conditions. Natural convection – governing equation, integral solution for flat surface.

Derivation of black body radiation laws from first principles Need for view factors, concept of view factors, mathematical definition. Shape factor calculations. Radiosity, Irradiation method for gray diffuse enclosures. Gas Radiation.

Course Objectives

  1. The objective of the course is to transfer knowledge in most recent advanced level Chemical Engineering problems in process heat transfer. The course is intended to provide students with the following benefits:
    (1) Understanding the concept of conductive and convective heat transfer in boundary layer region
    (2) Ability to address the problems in chemical engineering dealing with heat transfer
    (3) Helps to mitigate the basic requirement for conducting research in heat transfer
    (4) Enhances the thermal process behaviour modeling skill

Course Outcomes

After the completion of the aforesaid designed course, the student will successfully able to deal with process associated with the theory of advanced heat transfer

Essential Reading

  1. J.P. Holman, Heat Transfer, McGraw-Hill Science/Engineering/Math , 2001
  2. C.P. Gupta and R. Prakash, Engineering Heat Transfer, Nem Chand & Bros., Roorkee , 6th Edn, 1994

Supplementary Reading

  1. S.K. Das and A.R. Balakrishan, Process Heat Transfer, Alpha Science International Ltd. , 2005
  2. Frank P. Incropera and David P. DeWitt, Fundamentals of Heat and Mass Transfer, Wiley , 1996