Numerical Analysis of Ponded Infiltration Experiment under Different Experimental Conditions

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F09%3A00160721" target="_blank" >RIV/68407700:21110/09:00160721 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Numerical Analysis of Ponded Infiltration Experiment under Different Experimental Conditions

Popis výsledku v původním jazyce

Laboratory-determined Ks often fails to characterize properly the respective field value; the Ks lab estimation requires labour intensive sampling and fixing procedures, difficult to follow in highly structured soils. Thus simple single- or double-ring ponded infiltration experiments are frequently performed in situ. Several important factors, affecting the infiltration rate during infiltration experiments, are analyzed using 3D axisymmetric finite-element model. The examined factors include: the diameter of the infiltration ring, the depth of water in the ring, the depth of the ring insertion under the soil surface, the size and the shape of the finite-element mesh near the ring wall, and the double- vs. single-ring setup. The analysis suggests that the depth of the ring insertion influences the infiltration rate significantly. The simulated infiltration rates also exhibit high sensitivity to the shape of the finite-element mesh near the ring wall.

Název v anglickém jazyce

Numerical Analysis of Ponded Infiltration Experiment under Different Experimental Conditions

Popis výsledku anglicky

Laboratory-determined Ks often fails to characterize properly the respective field value; the Ks lab estimation requires labour intensive sampling and fixing procedures, difficult to follow in highly structured soils. Thus simple single- or double-ring ponded infiltration experiments are frequently performed in situ. Several important factors, affecting the infiltration rate during infiltration experiments, are analyzed using 3D axisymmetric finite-element model. The examined factors include: the diameter of the infiltration ring, the depth of water in the ring, the depth of the ring insertion under the soil surface, the size and the shape of the finite-element mesh near the ring wall, and the double- vs. single-ring setup. The analysis suggests that the depth of the ring insertion influences the infiltration rate significantly. The simulated infiltration rates also exhibit high sensitivity to the shape of the finite-element mesh near the ring wall.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DA - Hydrologie a limnologie

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2009

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Soil and Water Research

ISSN

1801-5395

e-ISSN

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Svazek periodika

4

Číslo periodika v rámci svazku

Spec. 2

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

6

Strana od-do

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Kód UT WoS článku

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EID výsledku v databázi Scopus

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