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SPECTRA (Sophisticated Plant Evaluation Code for Thermal-hydraulic Response Assessment) is a system thermal-hydraulic analysis code developed at NRG. The program is applicable to various reactor types, including LWR, HTR, MSR, LMFR, and various types of coolants. SPECTRA can be used for safety analyses, design-support analyses and interactive simulators.
SPECTRA was developed to perform various types of thermal-hydraulic analyses:
This is achieved through the use of various calculation packages, including:
Specific advantages of SPECTRA over other codes include:
SPECTRA provides clear documentation including program description, users guide, verification and validation manual. Input errors are handled in a clear and user friendly manner.
Are you interested in our code or would you like to receive our user manuals? Contact our Thermal Hydraulics Analyse Team.
Thermal Hydraulics Expert
SPECTRA is developed within an ISO 9001 certified framework. The quality assurance program within which SPECTRA is developed has previously been externally audited and found satisfactory.
Verification and validation (V&V) is performed according to the American Nuclear Society (ANS) guidelines (ANSI/ANS-10.4-1987), and is documented in the Spectra Code Manuals. Included here are comparisons of separate effects tests and integrated system tests to other codes (such as RELAP5 and MELCOR). For application specific V&V, please contact the developers.
SPECTRA is delivered with:
Are you interested in SPECTRA, or do you want to know what licences are available? Contact us for the possibilities.