docs-md

---

Variable: EBRII_PumpDocumentationExample

const EBRII_PumpDocumentationExample: object

Defined in: packages/docs-md/.tmp/typedoc-sanitized/mef-types/lib/data-analysis/example-data-analysis.ts:183

Example of data analysis documentation for EBR-II primary sodium pump

This example demonstrates how to document data analysis for a liquid metal reactor primary sodium pump, with emphasis on documentation requirements (DA-E) and integration with Systems Analysis.

Type Declaration

modelUncertainty

readonly modelUncertainty: object

Model uncertainty documentation implementing DA-E2 Documents sources of model uncertainty and their impact

modelUncertainty.name

readonly name: "EBR-II Primary Sodium Pump Model Uncertainty Documentation" = "EBR-II Primary Sodium Pump Model Uncertainty Documentation"

modelUncertainty.reasonableAlternatives

readonly reasonableAlternatives: readonly [{ alternative: "Use of Exponential distribution instead of Lognormal for failure rate modeling"; applicableParameters: readonly ["PARAM-EBRII-PSP-FR-001"]; reasonNotSelected: "Lognormal better characterizes the uncertainty in the estimated parameters given the limited data"; }, { alternative: "Separate parameter estimates for different operational phases"; applicableParameters: readonly ["PARAM-EBRII-PSP-FR-001"]; reasonNotSelected: "Insufficient data to support statistically significant separate estimates"; }]

modelUncertainty.relatedAssumptions

readonly relatedAssumptions: readonly [{ applicableParameters: readonly ["PARAM-EBRII-PSP-FR-001"]; assumption: "EBR-II primary pump reliability characteristics are representative of modern sodium pump designs"; basis: "Design principles for electromagnetic sodium pumps have not fundamentally changed, though materials and manufacturing have improved"; }, { applicableParameters: readonly ["PARAM-EBRII-PSP-CCF-001"]; assumption: "Common cause failure mechanisms for sodium pumps are similar to those of light water reactor pumps"; basis: "While fluid properties differ, fundamental CCF mechanisms like design errors, manufacturing defects, and maintenance errors remain similar"; }]

modelUncertainty.requirementReference

readonly requirementReference: "DA-E2" = "DA-E2"

modelUncertainty.uncertaintySources

readonly uncertaintySources: readonly [{ applicableParameters: readonly ["PARAM-EBRII-PSP-FR-001", "PARAM-EBRII-PSP-FS-001"]; impact: "Introduces uncertainty in applicability of parameter estimates to current sodium-cooled fast reactor designs"; source: "Operating environment differences between EBR-II and modern liquid metal reactors"; }, { applicableParameters: readonly ["PARAM-EBRII-PSP-FR-001", "PARAM-EBRII-PSP-FS-001", "PARAM-EBRII-PSP-CCF-001"]; impact: "Increases uncertainty in generic data applicability and requires greater reliance on expert judgment"; source: "Limited operational history of sodium pumps in commercial power applications"; }]

modelUncertainty.uuid

readonly uuid: "e87b2c3d-1234-5678-90ab-cdef01234567" = "e87b2c3d-1234-5678-90ab-cdef01234567"

preOperationalAssumptions

readonly preOperationalAssumptions: object

Pre-operational assumptions documentation implementing DA-E3 Documents assumptions made due to limited design or operational data

preOperationalAssumptions.assumptions

readonly assumptions: readonly [{ assumptionId: "ASSUME-EBRII-PSP-001"; basis: "Advancements in materials, manufacturing, and control systems are expected to improve reliability"; description: "Modern electromagnetic pump designs will have equal or better reliability than EBR-II pumps"; impact: "May overestimate failure rates if modern designs prove more reliable"; limitations: readonly ["May not account for new failure modes introduced by design innovations", "Limited operational experience with newer pump designs"]; status: "OPEN"; }, { assumptionId: "ASSUME-EBRII-PSP-002"; basis: "Modern maintenance technologies and practices have generally improved over time"; description: "Maintenance practices for modern sodium pumps will be at least as effective as those for EBR-II"; impact: "May underestimate maintenance-related failures if modern practices prove less effective"; limitations: readonly ["Loss of institutional knowledge about sodium pump maintenance", "Reduced availability of specialized maintenance personnel"]; status: "IN_PROGRESS"; }]

preOperationalAssumptions.name

readonly name: "EBR-II Primary Sodium Pump Pre-Operational Assumptions" = "EBR-II Primary Sodium Pump Pre-Operational Assumptions"

preOperationalAssumptions.relatedNote

readonly relatedNote: "DA-N-5" = "DA-N-5"

preOperationalAssumptions.relatedRequirement

readonly relatedRequirement: "DA-A6" = "DA-A6"

preOperationalAssumptions.supportingDocumentationReferences

readonly supportingDocumentationReferences: readonly ["EBR-II Operational History Report OHR-1994-001", "Modern Sodium Pump Design Comparison Study MSPD-2023-001"]

preOperationalAssumptions.uuid

readonly uuid: "f9876543-21ab-cdef-4321-fedcba098765" = "f9876543-21ab-cdef-4321-fedcba098765"

preOperationalAssumptions.validationPhase

readonly validationPhase: "Early operational testing" = "Early operational testing"

processDocumentation

readonly processDocumentation: object

Basic documentation structure implementing DA-E1 requirements

processDocumentation.basicEventProbabilityModels

readonly basicEventProbabilityModels: readonly [{ basicEventId: "BE-EBRII-PSP-FR-001"; justification: "Lognormal distribution selected based on industry standard practices for continuous operation components with multiplicative failure mechanisms"; model: "LOGNORMAL"; }, { basicEventId: "BE-EBRII-PSP-FS-001"; justification: "Beta distribution selected for demand-based failure mode to properly model uncertainty with limited data"; model: "BETA"; }]

Basic event probability models (DA-E1.b) Documents how basic event probabilities are evaluated

processDocumentation.bayesianPriorRationales

readonly bayesianPriorRationales: readonly [{ parameterId: "PARAM-EBRII-PSP-FR-001"; priorDistribution: "Lognormal(μ=-11.51, σ=1.5)"; rationale: "Prior based on generic liquid metal pump failure rates with wide uncertainty to accommodate limited industry experience"; }]

Bayesian prior rationales (DA-E1.h) Documents selection of prior distributions for Bayesian updates

processDocumentation.ccfProbabilityBasis

readonly ccfProbabilityBasis: readonly [{ ccfParameterId: "PARAM-EBRII-PSP-CCF-001"; estimationMethod: "Alpha Factor Model with specialized adjustment for liquid metal environment"; mappingJustification: "Alpha factors derived from light water reactor experience adjusted for liquid metal environment based on expert judgment"; }]

CCF probability basis (DA-E1.g) Documents basis for common cause failure probability

processDocumentation.componentGroupingDocumentation

readonly componentGroupingDocumentation: readonly [{ groupId: "GROUP-EBRII-PUMPS-001"; groupingCriteria: "Primary sodium pumps grouped based on similar design, operational characteristics, and environment"; outlierExclusionJustifications: readonly [{ alternativeTreatment: "Analyzed as separate component with its own failure parameters"; componentId: "COMP-EBRII-PSP-003"; detailedJustification: "Secondary loop pump operates at lower temperature and has different seal design, resulting in significantly different failure characteristics"; exclusionReason: "Significant design differences and operating conditions"; }]; outlierIdentificationMethodology: "Statistical hypothesis testing comparing failure rates across similar components with 95% confidence threshold"; supportingAnalyses: readonly ["EBR-II Pump Similarity Analysis Report PSAR-2022-001"]; }]

Component grouping documentation (DA-B1, DA-B2) Documents component grouping decisions including outlier handling

processDocumentation.dataCollectionPeriods

readonly dataCollectionPeriods: readonly [{ censoringJustification: "Pre-1980 data excluded due to major design modifications to pump control systems"; endDate: "1994-12-31"; parameterId: "PARAM-EBRII-PSP-FR-001"; startDate: "1980-01-01"; }]

Time periods for data collection (DA-E1.e) Documents specific time periods and any censoring

processDocumentation.dataExclusionJustifications

readonly dataExclusionJustifications: readonly [{ excludedData: "Three failure events during special testing operations in 1983"; justification: "Events occurred during non-standard operating conditions not representative of normal operation"; parameterId: "PARAM-EBRII-PSP-FR-001"; }]

Data exclusion justification (DA-E1.f) Documents reasons for excluding certain data points

processDocumentation.genericParameterRationales

readonly genericParameterRationales: readonly [{ operatingStates: readonly ["POS-STARTUP-200", "POS-SHUTDOWN-300"]; parameterId: "PARAM-EBRII-PSP-FS-001"; rationale: "Generic parameters used for startup and shutdown states due to insufficient plant-specific data for these infrequent operating states"; }]

Generic parameter rationales (DA-E1.k) Documents rationale for using generic parameter estimates

processDocumentation.genericParameterSources

readonly genericParameterSources: readonly [{ parameterId: "PARAM-EBRII-PSP-FR-001"; reference: "Section 5.4, with adjustments for liquid metal reactor applications"; source: "NUREG/CR-6928, Industry-Average Performance for Components and Initiating Events at U.S. Commercial Nuclear Power Plants"; }, { parameterId: "PARAM-EBRII-PSP-FS-001"; reference: "LMFR-RDB-2023, Section 4.2.1"; source: "Liquid Metal Fast Breeder Reactor Reliability Database (LMFR-RDB)"; }]

Generic parameter sources (DA-E1.c) Documents sources for generic parameter estimates

processDocumentation.name

readonly name: "EBR-II Primary Sodium Pump Data Analysis Documentation" = "EBR-II Primary Sodium Pump Data Analysis Documentation"

processDocumentation.operatingStateDataJustifications

readonly operatingStateDataJustifications: readonly [{ justification: "Full power operation provides most representative conditions for primary pump failure rates as pumps operate at design flow rates and temperatures"; operatingState: "POS-FULL-POWER-100"; parameterId: "PARAM-EBRII-PSP-FR-001"; }]

Operating state data justification (DA-E1.j) Documents justification for operating state data usage

processDocumentation.parameterEstimates

readonly parameterEstimates: readonly [{ estimate: 0.000012; parameterId: "PARAM-EBRII-PSP-FR-001"; uncertaintyCharacterization: "Lognormal distribution with 5th percentile 2.5e-6, 95th percentile 5.8e-5, error factor 4.8"; }, { estimate: 0.0034; parameterId: "PARAM-EBRII-PSP-FS-001"; uncertaintyCharacterization: "Beta distribution with α=2.5, β=732, 5th percentile 6.7e-4, 95th percentile 8.2e-3"; }]

Parameter estimates with uncertainty (DA-E1.i) Documents final parameter estimates and their uncertainty

processDocumentation.plantSpecificDataSources

readonly plantSpecificDataSources: readonly [{ operatingState: "POS-FULL-POWER-100"; parameterId: "PARAM-EBRII-PSP-FR-001"; source: "EBR-II Operational Records 1964-1994"; timePeriod: "1980-1994"; }]

Plant-specific data sources (DA-E1.d) Documents plant-specific data sources used

processDocumentation.systemComponentBoundaries

readonly systemComponentBoundaries: readonly [{ boundaries: readonly ["Electromagnetic pump assembly", "Control circuitry", "Power supply components", "Primary flow path components"]; boundaryDescription: "EBR-II primary sodium pump including motor, pump, shaft, bearings, and seals"; componentId: "COMP-EBRII-PSP-001"; references: readonly ["EBR-II System Design Description SDD-PCS-001", "EBR-II Primary Pump Drawing E-12345-001"]; systemId: "SYS-EBRII-PCS-001"; }]

System and component boundaries (DA-E1.a) References a SystemDefinition from Systems Analysis

processDocumentation.uuid

readonly uuid: "dd72a844-ff75-4517-86a4-5e4bfc7c0384" = "dd72a844-ff75-4517-86a4-5e4bfc7c0384"

Example

// Access the example
import { examples } from 'data_analysis';
const pumpDocumentation = examples.EBRII_PumpDocumentationExample;