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CASE STUDIES

Take a look at some examples of past work

MOISTURE CARRY OVER (MCO) IN NUCLEAR REACTORS

Boiling water reactors require liquid moisture to be removed from a two-phase mixture as it exits the core. Excess moisture carryover can lead to both inter-granular stress corrosion cracking of turbine blades and an increase in exposure levels of maintenance personnel to Co60 that is carried over in the liquid droplets that leave the steam dryers.
By simplifying reactor symmetries and important geometric dependencies, Blue Wave was able to take and simplify data from the plant over several years to effectively and accurately model and predict MCO within reactors resulting in enormous cost savings to a large utility.

CHARACTERIZING CHAOTIC SYSTEMS (CHATTERING VALVE IN NUCLEAR REACTORS)

Under certain operating states within a nuclear power plant, such as in the case studied, in a Boiling Water Reactor a condition arises in which the pilot stages of the three-stage safety relief valves begin to actuate sporadically (chatter). It was previously impossible to determine which safety relief valve was chattering. This chattering degrades the safety relief valve performance and eventually leads to discharge-stage leakage. Cause of this behavior is currently unknown. Blue Wave has used real-time sensors to gather data on the system. After taking data and training an algorithm, Blue Wave was able to in real time identify chattering events with 99% accuracy. After identifying a problematic valve in the data, a subsequent replacement of the valve resulted in a substantial decrease in chattering.