Progress of Cryogenics and Isotopes Separation , ISSN: 1582-2575
2007, Volume 10, Issue 19+20

Numerical Methods for Non-Reversible Process in Condenser, Applicable to Hydrogen Isotopes Separation System

Sorin Gherghinescu *

National Institute of R&D for Cryogenics and Isotopes Technologies - ICIT Rm. Valcea Code 240050, Uzinei Street no.4, CP7 Raureni, Valcea, Romania

*Corresponding author: Sorin Gherghinescu, e-mail:

Published: October 2007


The increasingly use of numerical methods for thermal exchangers dimensioning led to the development of several computing models able to cope with two-phase flow (with or without phase shift). Regarding the pure vapour condensation in a stratified two-phase flow, different relations are used to obtain the average heat transfer coefficients as well as among those measured. Also there is a noticeable difference between the two set of coefficients, theoretical and measured.

This study has an important role to insure a constant liquid level in the column for hydrogen isotope separation. The thermodynamics is modelled based on Beattie-Bridgman relation.

The proposed models are addressed to high performance installations, especially to those from nuclear energetic field.


Computing models, heat transfer, distillation column.

Tag search Computing models heat transfer distillation column