Effect of the steam compressibility on the stability of a phase interface in geothermal systems with constant temperature
Vera Y. Odintsova · Fluid Dynamics · 2011
The stability of vertical steady-state flows in geothermal water-above-steam systems is considered. The steam compressibility and the capillary forces on a phase interface are taken into account. A domain of the physical parameters of the geothermal system, where vertical steady-state flows exist, is found. The linear stability of these flows is analyzed, namely, the dispersion relation is obtained, the stability diagram is constructed, and the possible types of loss of stability are found using asymptotic and numerical methods. The effect of the steam compressibility and other physical parameters on vertical steady-state flows and their stability is analyzed.