"The Design Institute of Emergency Relief Systems (DIERS) was formed in 1976 as a consortium of 29 companies to develop methods for designing for the design of emergency relief systems to handle runaway reactions.  DIERS spent 1.6 million to investigate the two-phase vapor-liquid onset/disengagement dynamics and the hydrodynamics of emergency relief systems.  Of particular interest to DIERS were the prediction of two-phase flow venting and the applicability of various sizing methods for two-phase vapor-liquid flashing flow".

DIERS Case Study:

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