Models Methods Software

Dan Hughes

Coupled Natural Circulation Loops

Coupled natural circulation loops (NCLs) have not been much investigated. Single natural circulation loops, on the other hand, have been the subject of experimental, analytical and numerical research for several decades since the early 1950s. The literature is very extensive with investigations continuing to this day. Much of the research has been directed toward various systems of electric power generation by nuclear power plants.

The objectives of the present notes include; (1) development of model equations for steady-state and transient flows in coupled NCLs, (2) giving the steady state solutions for the steady state equations, (3) linearization of the transient equations for use in stability analyses, and (4) incorporation of realistic boundary-condition representations into the model equation systems for coupled NCLs.

The results are distilled to a system of equations that will be used for investigations into the stability of coupled natural circulation loops.

The design of such systems, also an interesting problem, is not addressed here.

I have uploaded a file here.

February 28, 2013 Posted by | Analytical Sensitivity Analysis, Code Verification, Verification | 3 Comments

Analytical Sensitivity Analysis

Sensitivity Analysis [Hardcover]
A. Saltelli (Editor), K. Chan (Editor), E. M. Scott (Editor)

Sensitivity Analysis in Practice: A Guide to Assessing Scientific Models [Hardcover]
A. Saltelli (Author), Stefano Tarantola (Author), Francesca Campolongo (Author),Marco Ratto (Author)

Uncertainty Modeling and Analysis in Engineering and the Sciences [Hardcover]
Bilal M. Ayyub (Author), George J. Klir (Author)

Sensitivity & Uncertainty Analysis, Volume 1: Theory[Hardcover]
Dan G. Cacuci (Author)

Sensitivity and Uncertainty Analysis, Volume II: Applications to Large-Scale Systems [Hardcover]
Dan G. Cacuci (Author), Mihaela Ionescu-Bujor (Author), Michael Navon (Author)

Sensitivity Analysis in Practice: A Guide to Assessing Scientific Models [Hardcover]
A. Saltelli (Author), Stefano Tarantola (Author), Francesca Campolongo (Author),Marco Ratto (Author)

December 17, 2010 Posted by | Analytical Sensitivity Analysis, Sensitivity Analysis | , | Leave a comment

More Sensitivity

I have carried out the sensitivity calculations discussed in this post for the equation discussed in this post and uploaded a file.

December 13, 2010 Posted by | Analytical Sensitivity Analysis, Sensitivity Analysis | , | Leave a comment