This Solicitation opportunity from Government of Canada was posted on January 29, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Structural Integrity of Nuclear Steam Generators against In-line (Streamwise) Fluidelastic Instability

Closed

5000088650International

Submission Closed12/04/2025, 02:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 541715

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AI Contract Overview

The Canadian Nuclear Safety Commission is soliciting offers for professional services to conduct a study on fluidelastic instability in nuclear steam generators, focusing specifically on the streamwise direction. The primary objective is to ensure the long-term reliability and structural integrity of tube arrays under two-phase flow conditions. This project involves establishing a specialized test setup to observe local void fraction behavior and flow-induced responses representative of CANDU steam generators. The scope of work includes executing flow assessments across multiple test sections with various pitch ratios and mass fluxes ranging from 50 to 500 kg/m2s. Through rigorous data collection and technical analysis, the selected offeror will generate a structured dataset to inform future regulatory assessments and improve the understanding of streamwise fluidelastic effects. This federal solicitation is managed by the Government of Canada with performance expected in the National Capital Region.

General Info

CNSC seeks professional services to study fluidelastic instability in nuclear steam generators.

Agency

Government of Canada → Canadian Nuclear Safety Commission

NAICS

541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

Place of Performance

*National Capital Region (NCR), CAN

Set-Aside

NONE

Documents

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Timeline

PhaseClosed

Response DeadlineDec 4

Deadline has passed

PostedJan 29

Solicitation

Submission Closed

12/04/2025, 02:00:00 PM UTC

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Organization & Contact Information

AgencyGovernment of Canada → Canadian Nuclear Safety Commission

Contacts1 person available

OfficeN/A

Organization / AgencyGovernment of Canada → Canadian Nuclear Safety Commission

Office AddressN/A

Contacts

Lucie FrouinPoint of Contact

contact@example.gov

Full Description

Canada is seeking offers from qualified Offerors to provide professional services to deliver the “Enhanced understanding of fluidelastic instability (FEI) in nuclear steam generators, specifically in the streamwise (in-line) direction, to ensure the long-term reliability and structural integrity of tube arrays under two-phase flow conditions” study to Canadian Nuclear Safety Commission. The scope of this study includes the following three interrelated components: • Establishing a test setup to facilitate observation and assessment of local void fraction behavior and flow-induced responses in tube arrays representative of CANDU steam generators. The setup is based on established configurations and industry knowledge, with the goal of supporting technical evaluation under controlled two-phase flow conditions. • Execution of flow assessments using multiple test sections with representative pitch ratios. Tests are conducted across a range of flow conditions (approximately 50 to 500 kg/m²·s mass flux) to capture relevant stability behavior under typical operating parameters. • Data collection and technical analysis to generate a structured dataset that can support future studies and inform regulatory assessments. The results contribute to an improved understanding of how tube arrays respond under various conditions, particularly regarding the onset and behavior of streamwise fluidelastic effects.