Have a personal or library account? Click to login
Consideration of quantitative risk reduction and risk achievement measures in safe NPP design Cover

Consideration of quantitative risk reduction and risk achievement measures in safe NPP design

By: Ivan Vrbanic and  Ivica Basic  
Open Access
|Jun 2024

Figures & Tables

Fig. 1.

Illustration of RRW as a function of RAW with P(X) as a parameter.

Fig. 2.

Reducing the risk reduction worth of feature X via strategy 1.

Fig. 3.

Reducing risk reduction worth of feature X via strategy 2.

Fig. 4.

Diagram of a simple system used as an example.

Fig. 5.

Illustration of two strategies for risk reduction.

Reliability parameters for preselected new risk targets

CaseRnewStrategy 1 q1Strategy 2 r
a2.00E–041.00E–040.10
b1.90E–049.00E–050.09
c1.80E–048.00E–050.08
d1.70E–047.00E–050.07
e1.60E–046.00E–050.06
f1.50E–045.00E–050.05

RAW and RRW values for the cases from Table 1

CaseStrategy 1 IRAW,X,1Strategy 2 IRAW,X,2Strategy ½ IRRW,X
a5000.00500.502.00
b5263.16474.211.90
c5555.56445.001.80
d5882.35412.351.70
e6250.00375.631.60
f6666.67334.001.50

Reliability importance measure for the cases from Table 1

CaseStrategy 1 Irel,X,1Strategy 2 Irel,X,2
a1.00E+001.00E–01
b1.00E+009.00E–02
c1.00E+008.00E–02
d1.00E+007.00E–02
e1.00E+006.00E–02
f1.00E+005.00E–02
DOI: https://doi.org/10.2478/nuka-2024-0017 | Journal eISSN: 1508-5791 | Journal ISSN: 0029-5922
Language: English
Page range: 119 - 124
Submitted on: Oct 3, 2023
|
Accepted on: Mar 7, 2024
|
Published on: Jun 25, 2024
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2024 Ivan Vrbanic, Ivica Basic, published by Institute of Nuclear Chemistry and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.