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Course10310201637 lectures

Interfacial Engineering

Prof. A.N. Bhaskarwar · IIT Delhi

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Lectures

Introduction

  1. General Introduction Definitions Video
  2. General Introduction, Definitions, Surface Tension Video
  3. Surface Tension Free Energies and Adsorption Video
  4. Properties over Curved Surfaces Video
  5. Total Surface Energy Video
  6. Interfacial Tension Entropy, Cohesion, Adhesion Video
  7. Cohesion, Adhesion and Spreading Video
  8. Spreading from Liquids and Solids Video
  9. Spreading, Interfacial Tensions, Surface Tensions Video
  10. Spreading, Contact Angles Free Energies Video
  11. Spreading / Contact Angles Rough Surfaces, Free Energies Video
  12. Spreading / Contact Angles Work of Adhesion, De-wetting Video

Measurments

  1. Work of Adhesion, Surface and Interfacial Tensions Video
  2. Surface and Interfacial Tensions: Drop Weight and Wilhelmy Plate Methods Video
  3. Surface and Interfacial Tensions: Wilhelmy Plate, Pendant Drop and Maximum Bubble Pressure Methods Video
  4. Wetting Balance Method Spreading Coefficient Work of Adhesion Sessile Drop Method , Positive S Video
  5. Indirect and Direct Methods for Positive S, Adhesion Energies Interfacial Potentials Video

Electrostatic Phenomena

  1. Surface and Interfacial Potentials Distribution and Contact Potentials Video
  2. Diffusion Potential Surface and Interfacial Potentials Components of Contact Potential Video
  3. Electrically Charged Monolayers Gouy Theory Video

Monolayers

  1. Equations of State, Cohesion Repulsion, Limiting Area Video
  2. Condensed and Liquid Expanded Monolayers Phase Transformations Video
  3. Films of Polymers Molecular Weight, Surface Viscosity Drag, Canal Method Video
  4. Canal Method Joly\'s Semi-Empirical Correction Rotational Torsional Surface Viscometer Compressional Moduli Video
  5. Magnitudes of Surface Compressional Moduli Surface Waves and Ripples Video
  6. Surface waves and Ripples, Velocity Effect of Surface Tension and Surface Compressional Modulus Rates of adsorption and absorption Damping Video
  7. surface waves and ripples,velocity effect of surface tension and surface compressional modulus damping for clean and contaminated,surfaces,fiber from monolayers Video
  8. Shear Elastic Moduli,Yield Stress Fibres from MLs, Surface Reactions Video

Surface Reactions

  1. Surface Reactions, Comparison with Bulk-Phase Reactions Steric Factors, Inhibition Video
  2. Hydrolyses of Esters by Alkali Acid or Enzyme Photochemical Reactions in Monolayers Polymerization in MLs, Lactonization Video
  3. Catalytic Effects Reactions in Emulsions Complex Formation Video
  4. Complex Formation Penetration into Monolayers Thermodynamics of Penetration Adsorption from Vapour Phase Mass Transfer Video

Mass Transfer across Interfaces

  1. Introductory Concepts Resistances and their Magnitudes Evaporation and its Retardation Video
  2. Evaporation and its Retardation Resistances and their Analysis Diffusional Resistance in Gas Phase Video
  3. Resistances in Liquid Phase and Interface and Their Importance Some Effects and Applications, Theory Video
  4. Surface Instability Theories of Mass Transfer Experiments on static and Dynamic Systems Video

Disperse Systems

  1. Colloida, Aerosols, Emulsions Foams, Coagulation Smoluchowski\\\'s Theory Video

Syllabus and materials

At NPTEL, as the course publishes them.

Credits and licence

Institution
IIT Delhi
Department
Chemical Engineering
Teacher
Prof. A.N. Bhaskarwar
Level
Undergraduate
Language
English
Subjects
Chemistry, Engineering
Source
NPTEL
Licence
CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
Attribution
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