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RESEARCH PAPERS

Computational Simulation of High-Speed Steady Homogeneous Two-Phase Flow in Complex Piping Systems

[+] Author and Article Information
D. B. Bliss

Continuum Dynamics Inc., Princeton, N.J.; Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, N.J. 08544

T. R. Quackenbush, M. E. Teske

Continuum Dynamics Inc., Princeton, N.J. 08540

J. Pressure Vessel Technol 104(4), 272-277 (Nov 01, 1982) (6 pages) doi:10.1115/1.3264217 History: Received April 09, 1981; Revised July 06, 1982; Online November 05, 2009

Abstract

A study was undertaken to predict steady flow conditions in two-phase steam/water flows in safety/relief discharge piping systems. The homogeneous-equilibrium model was used for the two-phase flow along with the ASME Steam Tables in subroutine form as a state equation. The approach can also accommodate single-phase flows of superheated steam or subcooled liquid. Subroutines were developed to simulate flows through isentropic area changes, abrupt area changes, adiabatic constant area pipes with friction, valves, two-phase shock waves, and mass addition at pipe junctions. These subroutines were combined to predict conditions in arbitrary complex piping systems. Sample calculations which treat both single line and multiple-branch piping systems are included.

Copyright © 1982 by ASME
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