Modeling Multi-Phase Systems Using Bond Graphs
Keywords
- Thermodynamics
- Multiphase
- Bond graphs
- Condensation
- Evaporation
- Pressure cooker
Abstract
This is the second in a series of three papers. The
first paper
discussed the modeling of conductive as well as convective fl
ows
of a single homogeneous substance through a homogeneous medium.
This second paper discusses the phenomena associated with
phase change, i.e., it discusses, from a bondgraphic perspective,
phenomena such as evaporation and condensation, solidification,
melting, and sublimation. Assumptions of quasi-stationary or
equilibrium conditions are minimized to ensure the largest possible
degree of generality in the conclusions reached. Problems associated
with modeling the dynamic behavior of multi-substance systems will
be left for discussion in the
third paper
of the series. A thermodynamic model of a pressure cooker shall
serve as an example of a multi-phase system.
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Last modified: September 24, 2009 -- © François Cellier