DOC/LP/01/28.02.02 LP – CH2402 LESSON PLAN LP Rev. No: 01 Sub Code & Name : CH2402 - Transport Phenomena Unit: I Branch: Chemical Engineering Semester :VII Date: 02-07-12 Page 1 of 5 Unit syllabus: TRANSPORT BY MOLECULAR MOTION Importance of transport phenomena; analogous nature of transfer process; basic concepts, conservation laws; continuous concept, field, reference frames, substantial derivative and boundary conditions; methods of analysis; differential, integral and experimental methods. Phenomenological laws of transport properties, Newtonian and non Newtonian fluids; Rheological models; theories of transport properties of gases and liquids; effect of pressure and temperature. Objective: To Emphasize on the basic concepts of transport phenomena. Session No 1 2 3 4 5 6 7 8 9 Topics to be covered Scope and importance of Transport Phenomena. Continuum concept, field, frame of reference, substantial derivative and boundary conditions Analogous nature of transfer processes, methods of analysis. Transport properties, Phenomenological laws - momentum Phenomenological laws – energy and mass, Prandtl and Schmidt numbers. Newtonian and Non Newtonian fluids, Rheological characteristics of fluids. Theories of Transport properties of gases Theories of transport properties of liquids. Revision of Unit - I Time (min) 50 50 Ref Teaching Aids 1,3 1,2 BB BB 50 50 50 1 1 1 BB BB BB 50 1 50 50 50 1 1 - BB & OHP BB BB BB DOC/LP/01/28.02.02 LP – CH2402 LESSON PLAN LP Rev. No: 01 Sub Code & Name : CH2402 - Transport Phenomena Unit: II Branch: Chemical Engineering Semester :VII Date: 02-07-12 Page 2 of 5 Unit syllabus: ONE DIMENSIONAL TRANSPORT IN LAMINAR FLOW (SHELL BALANCE) General method of shell balance approach to transfer problems; Choosing the shape of the shell; most common boundary conditions; momentum flux and velocity distribution for flow of Newtonian and non-Newtonian fluids in pipes, for flow of Newtonian fluids in planes, slits and annulus. Heat flux and temperature distribution for heat sources such as electrical, nuclear, viscous and chemical; forced and free convection; mass flux and concentration profile for diffusion in stagnant gas, systems involving reaction and forced convection. Objective: Emphasizes on deriving appropriate differential balances such as momentum, thermal energy, and mass species, accounting appropriately by convective and diffusive (molecularscale) fluxes, with sources and sinks. Session No 10 11 12 13 14 15 16 17 18 19 20 21 22 Topics to be covered General method of shell balance approach to transfer problems; Choosing the shape of the shell; Most common boundary conditions. Momentum flux and velocity distribution for flow of Newtonian fluids in pipes, Momentum flux and velocity distribution for flow of non-Newtonian fluids in pipes, Momentum flux and velocity distribution for flow of Newtonian fluids in annulus. Momentum flux and velocity distribution for flow of Newtonian fluids in slits and planes. Flow of two immiscible fluids in pipes – Tutorial. Heat conduction with an electrical heat source. Heat conduction with viscous heating and chemical heat source. Heat flux and temperature distribution with a nuclear heat source. Forced and free convection Mass flux and concentration profile for diffusion in stagnant gas Systems involving reaction and forced convection CAT I Time (min) Ref 50 1,2 Teaching Aids BB 50 1,2 BB & OHP 50 1,2 BB & OHP 50 1,2 BB & OHP 50 1,2 BB & OHP 50 50 50 50 50 50 50 1,2 1,2 1,2 1,2 1,2 1,2 1,2 BB BB & OHP BB & OHP BB & OHP BB & OHP BB BB DOC/LP/01/28.02.02 LP – CH2402 LESSON PLAN LP Rev. No: 01 Sub Code & Name : CH2402 - Transport Phenomena Unit: III Branch: Chemical Engineering Semester :VII Date: 02-07-12 Page 3 of 5 Unit syllabus: EQUATIONS OF CHANGE AND THEIR APPLICATIONS Conservation laws and equations of change; Development of equations of continuity motion and energy in single multi components systems in rectangular coordinates and the forms in curvilinear coordinates; simplified forms of equations for special cases, solutions of momentum, mass and heat transfer problems discussed under shell balance by applications of equation of change, scale factors; applications in scale-up. Objective: To make the student write the Thermal Energy Equation, the Species Continuity Equation, and the Navier-Stokes Equations and simplify them appropriately for specific transport problems. Session No 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Topics to be covered Conservation laws, Tensors, Dyadic products Development of equations of continuity in single component systems in rectangular and curvilinear coordinates Development of equations of motion in single component systems in rectangular and curvilinear coordinates Simplified forms of Continuity and Equation of motion for special cases. Equation of change for non isothermal systems. Simplification of equation of energy for special cases. Use of equation of change for solving flow over a plane and through a pipe. (i). Tangential annular flow. (ii). Shape of a rotating fluid. (i) Forced convective flow in a pipe. (ii) Free convection from vertical plate. Equation of continuity for a binary mixture. Scale factors and scale up. Model theory – Example on aerodynamics. Model theory – Prediction of Vortex depth. Time (min) Ref 50 50 1,2 1,2 Teaching Aids BB & OHP BB & OHP 50 1,2 BB & OHP 50 1,2 BB & OHP 50 50 50 1 1,2 1,2 BB & OHP BB & OHP BB & OHP 50 50 50 50 50 50 50 1 1,2 1 1,2 1 1 - BB BB & OHP BB & OHP BB BB BB BB DOC/LP/01/28.02.02 LP – CH2402 LESSON PLAN LP Rev. No: 01 Sub Code & Name : CH2402 - Transport Phenomena Unit: IV Branch: Chemical Engineering Semester :VII Date: 02-07-12 Page 4 of 5 Unit syllabus: TRANSPORT IN TURBULENT AND BOUNDARY LAYER FLOW Turbulent phenomena; phenomenological relations for transfer fluxes; time smoothed equations of change and their applications for turbulent flow in pipes; boundary layer theory; laminar and turbulent hydrodynamics thermal and concentration boundary layer and their thickness; analysis of flow over flat surface Objective: Introduces the students to the turbulence phenomena, on the methods of characterizing the turbulence fluxes and to the boundary layer theory. Session No 37 38 39 40 41 42 43 Teaching Aids Topics to be covered Turbulent phenomena; phenomenological relations for transfer fluxes Time smoothed equations of change and their applications for turbulent flow in pipes; Tutorial problems – Relative magnitude of molecular and eddy diffusivity. Boundary Layer theory; laminar and turbulent boundary layer thickness. Momentum thermal and concentration boundary layer thickness Analysis of flow over flat plate CAT II Time (min) Ref 50 1 BB 50 1 BB & OHP 50 1 BB 50 1 BB & OHP 50 50 1 1 BB BB & OHP DOC/LP/01/28.02.02 LP – CH2402 LESSON PLAN LP Rev. No: 01 Sub Code & Name : CH2402 - Transport Phenomena Unit: V Branch: Chemical Engineering Semester :VII Date: 02-07-12 Page 5 of 5 Unit syllabus: ANALOGIES BETWEEN TRANSPORT PROCESSES Importance of analogy, development and applications of analogies between momentum and mass transfer, Reynolds, Prandtl, Von Karman and Colburn analogies. Objective: Emphasizes on Development and application of various analogies Session No Topics to be covered 44 45 46 47 48 Analogy concept between momentum, energy and mass transfer. Derivations of Prandtl and Reynolds analogies. Derivation of Von Karman and Colburn analogies. Examples on use of analogies for heat transfer and mass transfer. Review of All Units 49 CAT III Time (min) 50 50 50 50 50 Ref 1 1 1 1 1, 2 &3 Teaching Aids BB BB BB BB BB DOC/LP/01/28.02.02 Course Delivery Plan: Week Units 1 2 3 Unit I 4 5 Unit II 6 C A T I 7 8 9 Unit III 10 C A Unit IV T II 11 12 Unit V CAT III References: 1. R.B.Bird, W.E.Stewart and E.W.Lighfoot, " Transport Phenomena ", John Wiley, 1978. 2. J.R.Wilty, R.W.Wilson, and C.W.Wicks, " Fundamentals of Momentum Heat and Mass Transfer 2nd Edn., John Wiley, New York, 1973. 3.W.J.Thomson, “Introduction to Transport Phenomena”, Pearson Education Asia, New Delhi, 2001. Prepared by Approved by Signature Name Mr. Balaji D. Dr. R. Parthiban Designation Assistant Professor, CH Professor & Head, CH Date 02.07.2012 02.07.2012
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