Thermohydrodynamics for a van der Waals fluid

Physics – Condensed Matter – Statistical Mechanics

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

19 pages

Scientific paper

10.1063/1.1394212

Following a cell-method due to van Kampen for the calculation of a coarse-grained free energy functional for the van der Waals gas, we compute a corresponding entropy functional from microscopic principles. This entropy functional is one of the building blocks of the recently developed GENERIC framework. This framework allows to obtain in a thermodynamically consistent way the continuum hydrodynamic equations for a fluid able to display liquid-vapor coexistence. Surface tension appears naturally and the resulting model describes interfaces as diffuse regions, much in the same spirit as the gradient theory for equilibrium situations. We suggest that using interfacial forces in the integral form obtained in the microscopic derivation instead of third order derivatives of the density field might represent an advantage from a computational point of view.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

Thermohydrodynamics for a van der Waals fluid does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Thermohydrodynamics for a van der Waals fluid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thermohydrodynamics for a van der Waals fluid will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-465636

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.