UNIT II

Topics

• Logarithmic mean temperature difference. →
• Condensation heat transfer. →
• Heat exchangers; parallel →
• counter and cross flow. →
• Introduction to mass transfer →
• Fick’s law of diffusion →
• steady state diffusion of gases and liquid through solids →
• Equimolal diffusion. →
• Convective mass transfer →
• Analogy between heat →
• mass and momentum transfer →
• Application of mass transfer phenomena in food processing. →