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Transport Phenomena

 

Below you can find the Study Material for Transport Phenomena according to the 2019 syllabus of Savitribai Phule Pune University (SPPU)

Unit 1: Momentum Transport

  1. Importance of transport phenomena

  2. Analogous nature of transfer process

  3. Introduction of viscosity and mechanism of momentum transport

  4. Newton’s law of viscosity

  5. Newtonian & Non-Newtonian fluids

  6. Pressure and temperature dependence of viscosity

  7. Theory of viscosity of gases and liquids

  8. Velocity distribution in laminar flow:

    1. Shell momentum balances of flow of falling film

    2. Shell momentum balances of flow through the circular tube

    3. Shell momentum balances of flow through an annulus

    4. Shell momentum balances of flow in a narrow slit

    5. Shell momentum balances of adjacent flow of two immiscible fluids

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Unit 2: Energy Transport

  1. The introduction of thermal conductivity and mechanism of energy transport

  2. Fourier’s law of heat conduction

  3. Temperature and pressure dependence of thermal conductivity in gases and liquids.

  4. Temperature distribution in solids and in laminar flow & numerical problems –

  5. Shell energy balance, boundary conditions

    1. Heat conduction with electrical heat source

    2. Heat conduction with a nuclear heat source

    3. Heat conduction with a viscous heat source

    4. Heat conduction with a chemical heat source

    5. Heat conduction with variable thermal conductivity

    6. Forced and free convection

    7. Heat conduction in a cooling fin

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Unit 3: Mass Transport

  1. Introduction of diffusivity and mechanism of mass transport

  2. Definitions of concentrations, velocities and mass fluxes

  3. Fick’s law of diffusion

  4. Temperature and pressure dependence of mass diffusivity.

  5. Concentration distribution in solids and in laminar flow & numerical problems –

    1. Shell mass balances, boundary conditions

    2. Diffusion through stagnant gas film

    3. Diffusion with heterogeneous chemical reaction

    4. Diffusion with homogeneous chemical reaction

    5. Diffusion through Pyrex tube, leaching etc.

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Unit 4: Unsteady Momentum Transport

  1. Equations of change for isothermal system –

    1. The equation of continuity

    2. The equation of motion

    3. Equation of change in curvilinear coordinate systems

    4. Use of equation of change to set up steady flow problem

    5. Equation of mechanical energy

    6. Dimensional analysis of equation of change

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Unit 5: Interphase transport in isothermal system

  1. Interphase transport –

    1. Defining friction factors

    2. Friction factors for flow in tube, around spheres & packed column.

  2. Macroscopic balances for Isothermal systems –

    1. The macroscopic mass, momentum and mechanical energy balances

    2. Sudden enlargement and liquid-liquid ejector

    3. Semi empirical expressions for Reynolds stresses

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Unit 6: Simultaneous & Analogy momentum, heat and mass transfer

  1. Interphase transport in multi component system -

    1. Definition of binary mass transfer coefficient in one phase

    2. Co-relation of binary mass transfer coefficient in one phase at low mass transfer rates

    3. Co-relation of binary mass transfer coefficient in two phases at low mass transfer rates

    4.  Definition of transfer coefficient for high mass transfer rates

  2. Analogies:

    1. Reynolds analogy

    2. Prandtl’s analogy

    3. Chilton and Colburn analogy

    4. Martinnelli’s analogy.

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References

  1. Transport Phenomena, Bird R. B., Stewart and Lightfoot, John Wiley & Sons

  2. Analysis heat and mass transfer, Eckert Erg and Brake R. M.

  3. Fundamentals of momentum, heat and mass transfer, James Welty, Charles Wicks

  4. Energy Mass and Momentum transport phenomena in continua”, Slattery J. C.

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Click here for Old SPPU Question Papers

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