Theoretical basis for two-phase disengagement and vapor fraction calculations

Conference · Sun Dec 31 00:00:00 EST 1995

OSTI ID:255385

Sheppard, C M ^[1]

---

1. Louisiana Tech Univ., Ruston, LA (United States)

This paper reviews the theoretical basis for disengagement calculations. That is the assumptions of pseudo-steady-state, volumetric gas production and applicable drift-flux correlations. Using these an axial void fraction profile can be calculated. The use of graphical, analytical, and simplified-equation-based correlations for vertical cylinders, horizontal cylinders, and spheres are covered. Before disengagement occurs the vent stream void fraction can be estimated using the coupling equation. The implications of the converging cross-sectional area of horizontal cylinders and spheres are discussed for both disengagement and two-phase flow calculations. 22 refs., 9 figs., 5 tabs.

• OSTI ID: 255385
• Report Number(s): CONF-9508216-; TRN: 96:002769-0013
• Resource Relation: Conference: International symposium on runaway reactions and pressure relief design, Boston, MA (United States), 2-4 Aug 1995; Other Information: PBD: 1995; Related Information: Is Part Of International symposium on runaway reactions and pressure relief design; Melhem, G.A.; Fisher, H.G. [eds.]; PB: 779 p.
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES
40 CHEMISTRY
VOID FRACTION
CALCULATION METHODS
TWO-PHASE FLOW
VENTS
SIZE
PRESSURE RELEASE
CHEMICAL EXPLOSIVES
CHEMICAL EXPLOSIONS