Syllabus

Review of Single-Phase Flows: one dimensional conservation equations – introduction to two-phase flows – flow regimes.

Flow Models for Two-Phase Flows: one-dimensional homogeneous flow model – separated flow model – drift flux model – simplified treatment of bubbly, slug, and annular flows – flow regime maps – transition criterion – pressure drop correlations and void fraction correlation – phenomenological description of flooding – critical two-phase flows – prediction models.

Liquid-Vapour Phase Change Phenomenon: pool boiling – wetting phenomenon – bubble dynamics – nucleation concepts – convective boiling – heat transfer in partially and fully developed sub-cooled boiling – heat transfer in saturated boiling.

Critical Heat Flux: prediction methodologies – instabilities in boiling channel – methodologies for prediction.

Condensation Fundamentals: film condensation theory – dropwise condensation theory – introductory aspects of flow instabilities in condensation.

Flow Modeling: flow modeling aspects in natural and forced circulation heat removal in boiling systems – handling cryogenic fluid flow systems – modeling of pulsating heat pipe for electronic cooling.