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Below are a list of frequently asked questions related to the HydroPASSAGE project.
Information about fish susceptibility to turbine stressors is collected through empirical studies that expose fish to known stressors and measure the response (e.g., mortality, injury). The HydroPASSAGE team performs laboratory-based studies on the effects of rapid decompression, shear, and blade strike on priority species. Fish susceptibility information is also collected from relevant scientific literature. Read more about these projects here.
The HydroPASSAGE project benefits the hydropower community by providing tools and information that advance the biological performance of hydropower turbines and can lower the regulatory cost through improved designs and safer operational conditions.
The BioPA, HBET and Sensor Fish toolsets were developed under the HydroPASSAGE project. BioPA and HBET integrate hydraulic conditions collected via computational models (BioPA) and lab- or field-based data collection (HBET) with known fish impact information to compare the biological performance of hydropower turbines and/or operating conditions. Sensor Fish are autonomous devices that can be deployed into turbine units to collect hydraulic condition response information that can be integrated into HBET.
HBET has specific computer system requirements:
- 1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor
- 1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit)
- 16 GB available hard disk space (32-bit) or 20 GB (64-bit)
HBET was designed for the following operating systems:
- Windows 7 and higher
HBET requires SQL Server 2012 or newer.
BioPA requires a computational CFD code (e.g. STAR-CCM+, CFX) and Excel.
HBET is a software package that integrates exposure probabilities from Sensor Fish devices and combines them with empirically-derived fish impacts. Exposure probabilities are downloaded from Sensor Fish after they are deployed through turbines or other hydro structures.
BioPA is a Microsoft Excel-based program that integrates the exposure probabilities of streamtraces and combines them with empirically-derived fish impacts. BioPA uses the outputs of CFD simulations to characterize the hydraulic environment in a turbine.