Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Time-domain random walk algorithms for simulating radionuclide transport in fractured porous rock
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering (moved 20130630), Water Resources Engineering.
2006 (English)In: Proceedings of the 11th International High Level Radioactive Waste Management Conference, 2006, p. 293-300Conference paper, Published paper (Refereed)
Abstract [en]

Time-domain random walk (TDRW) algorithms are efficient methods for simulating solute transport along one-dimensional pathways. New extensions of the TDRW algorithm accommodate decay and in-growth of radionuclides in a decay chain and time-dependent transport velocities. Validation tests using equilibrium sorption and matrix diffusion retention models demonstrate that the extended TDRW algorithm is accurate and computationally efficient. When combined with stochastic simulation of transport properties, the resulting algorithm, Particle On Random Streamline Segment (PORSS), also captures the effects of random spatial variations in transport velocities, including the effects of very broad velocity distributions. When used in combination with discrete fracture network simulations, the PORSS algorithm provides an accurate and practical method for simulating radionuclide transport at the geosphere scale without invoking the advection-dispersion equation.

Place, publisher, year, edition, pages
2006. p. 293-300
Series
Proceedings of the 11th International High Level Radioactive Waste Management Conference, IHLRWM ; 2006
Keywords [en]
Decay chain, Particle On Random Streamline Segment (PORSS), Stochastic simulation, Time-domain random walk (TDRW), Computer simulation, Stochastic control systems, Time domain analysis, Transport properties, Velocity measurement, Algorithms
National Category
Environmental Engineering
Identifiers
URN: urn:nbn:se:kth:diva-155858Scopus ID: 2-s2.0-33847238789ISBN: 08944-86918 ISBN: 9780894486913 (print)OAI: oai:DiVA.org:kth-155858DiVA, id: diva2:764377
Conference
11th International High Level Radioactive Waste Management Conference, 30 April 2006 through 4 May 2006, Las Vegas, NV
Note

QC 20141118

Available from: 2014-11-19 Created: 2014-11-13 Last updated: 2014-11-19Bibliographically approved

Open Access in DiVA

No full text in DiVA

Scopus

Search in DiVA

By author/editor
Cvetkovic, Vladimir
By organisation
Water Resources Engineering
Environmental Engineering

Search outside of DiVA

GoogleGoogle Scholar

isbn
urn-nbn

Altmetric score

isbn
urn-nbn
Total: 42 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf