Flashing Water-flow Through a Safety Valve

Bolle, Léon;Downarzapolski, P.;Franco, J.;Seynhaeve, Jean-Marie
(1995) Journal of Loss Prevention in the Process Industries : the international journal of chemical and process plant safety — Vol. 8, n° 2, p. 111-126 (1995)

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Authors
  • Bolle, LéonUCLouvain
    Author
  • Downarzapolski, P.
    Author
  • Franco, J.
    Author
  • Seynhaeve, Jean-MarieUCLouvain
    Author
Abstract
This paper presents an analysis of flashing and non-flashing water flows through a safety relief valve. A set of experiments has been carried out on the CROSBY safety valve and its model. The pressure distributions inside the valve, the inlet and outlet temperatures and the mass-flow rates (critical or otherwise) have been measured. The characteristics of the valve giving the mass-flow rate as a function of the square root of the pressure drop are given. The experimental results are compared with equilibrium and relaxation two-phase flow models. The non-equilibrium character of fast evaporation and its substantial influence on the two-phase flow behaviour are demonstrated.
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Bolle, L., Downarzapolski, P., Franco, J., & Seynhaeve, J.-M. (1995). Flashing Water-flow Through a Safety Valve. Journal of Loss Prevention in the Process Industries : the international journal of chemical and process plant safety, 8(2), 111-126. https://doi.org/10.1016/0950-4230(95)00009-P (Original work published 1995)