.ThermoPower.Water.Flow1D2phDB

Information

This model extends Flow1D2ph by computing the distribution of the heat transfer coefficient gamma and making it available through an extended version of the wall connector.

This simplified model can be used for one-phase or two-phase water/steam flow. The heat transfer coefficient is computed according to the following hypotheses:

A smoothing algorithm is applied to the nodes which are in the neighbourhood of a transition boundary between non-boiling and boiling conditions, to avoid non-physical sudden changes of the nodal values of the heat transfer coefficient when the transition boundary passes through a node. The computed values of the heat transfer coefficient are thus a continuous function of the nodal enthalpies and pressures, so that it is not necessary to generate events in order to handle discontinuities

References

  1. J. C. Collier: Convective Boiling and Condensation, 2nd ed.,McGraw Hill, 1981, pp. 146.

Revisions


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