How to calculate/select size and flow capacity of an anti-surge control valve

Publikationsform: Fachartikel
Artikelnummer: 30285_2016_SP1_06
Zeitschrift: How to calculate/select size and flow capacity of an anti-surge control valve
Erscheinungsdatum: 31.12.1969
Autor: NECULAE BALTZ
Herausgeber: One of the used control application in the compressor industry is the anti-surge control loop. The aim of this control loop is to avoid that the compressor works on the surge line. The paper proposes a method to calculate/select the optimal size of an anti-surge control valve. The basis of the method is the tolerated value of the velocity/Mach No. at the valve output. Further criteria are: accepted min. allowance factor, accepted maximum sound level and avoidance of choked flow. Part 1 is dedicated to the calculation of valves with 2 stages trim, Part 2 to the calculation of valves with 3 or 4 stages trim. Each part contains a calculation example.
Verlag: Vulkan-Verlag GmbH
Publikationsformat: PDF
Themenbereich: Industriearmaturen

Details

One of the used control application in the compressor industry is the anti-surge control loop. The aim of this control loop is to avoid that the compressor works on the surge line. The paper proposes a method to calculate/select the optimal size of an anti-surge control valve. The basis of the method is the tolerated value of the velocity/Mach No. at the valve output. Further criteria are: accepted min. allowance factor, accepted maximum sound level and avoidance of choked flow. Part 1 is dedicated to the calculation of valves with 2 stages trim, Part 2 to the calculation of valves with 3 or 4 stages trim. Each part contains a calculation example.

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