Rigorously size relief valves for supercritical fluids

Consider a blocked-in vessel full of liquid with a vessel-relief pressure greater than the fluid's critical pressure. If heat is added by fire or other means, boiling cannot occur. Initially, heat causes the liquid to expand and the vessel to reach relief conditions. The relief valve can be siz...

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Bibliographic Details
Published in:Chemical engineering progress 2002-08, Vol.98 (8), p.34-43
Main Author: OUDERKIRK, Ryan
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Chemical industry
Engineers
Exact sciences and technology
Fluids
Gases
Heat
Physical properties
Pressure vessels
Safety
Valves
Online Access:Get full text
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Summary:Consider a blocked-in vessel full of liquid with a vessel-relief pressure greater than the fluid's critical pressure. If heat is added by fire or other means, boiling cannot occur. Initially, heat causes the liquid to expand and the vessel to reach relief conditions. The relief valve can be sized for this condition with equations available in Ref. 5. If the heat continues, both the bulk temperature and the vapor pressure increase.
ISSN:0360-7275
1945-0710