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Chiller Design Model - Impact of chiller failure on the short-term temperature variation in the incubation of salmonids

Metadata Updated: October 19, 2024

In salmon recovery programs it is commonly necessary to chill incubation and early rearing temperatures to match wild development times. The most common failure mode for a chiller system is failure of the chiller or circulating pumps. Following chiller failure, the water temperature can rise from 5-7 C to 10-13 C depending on the well temperatures and ambient air temperatures.

The speed and magnitude of the temperature increases depends on how the chillers are designed. The simplest design is a direct-coupled chiller with chilled gas/process water heat exchanger. Other chiller designs include both chilled glycol and water reservoirs. The addition of these reservoirs serves to reduce the maximum rate of temperature change following chiller failure. Increased deformities have been observed in direct-coupled chiller systems for sockeye salmon following chiller failures. This model can be used to size glycol and water reservoirs to control the rise in temperature following chiller failure.

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License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Dates

Metadata Date February 29, 2024
Metadata Created Date October 19, 2024
Metadata Updated Date October 19, 2024
Reference Date(s) October 24, 2016 (publication)
Frequency Of Update

Metadata Source

Harvested from NMFS NWFSC

Additional Metadata

Resource Type Dataset
Metadata Date February 29, 2024
Metadata Created Date October 19, 2024
Metadata Updated Date October 19, 2024
Reference Date(s) October 24, 2016 (publication)
Responsible Party (Point of Contact, Custodian)
Contact Email
Guid gov.noaa.nmfs.inport:30879
Access Constraints Cite As: Northwest Fisheries Science Center, [Date of Access]: Chiller Design Model - Impact of chiller failure on the short-term temperature variation in the incubation of salmonids [Data Date Range], https://www.fisheries.noaa.gov/inport/item/30879., Access Constraints: NA
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Bbox West Long -122.5547
Coupled Resource
Frequency Of Update
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Harvest Source Id ba43549f-8268-499d-bec8-91b164cb168f
Harvest Source Title NMFS NWFSC
Licence NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose.
Lineage The logger data was converted to cvs and Excel files.
Metadata Language eng
Metadata Type geospatial
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Progress completed
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True
Temporal Extent Begin 2015-01-01
Temporal Extent End 2015-12-01

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