Hydraulická vodivost a uzavřený vzduch v heterogenních půdách: experimentální aparatura

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F06%3A01126718" target="_blank" >RIV/68407700:21110/06:01126718 - 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

Hydraulic Conductivity and Entrapped Air in Heterogeneous Soil: Experimental Set-up

Popis výsledku v původním jazyce

Heterogeneous soils exhibit distinct saturated hydraulic conductivity variation in response to the changes in entrapped gas content. Entrapped air bubbles can influence the results of hydraulic characterization by transient methods done on large soil columns. Measurements of entrapped air volume and hydraulic properties of soil present significant experimental challenges due to need for water-gas separation at the soil core boundaries and complex experimental setup. We will present a design of the infiltration disc and the water collection assembly which allow separating and quantification of air and water fluxes. Results of numerical modelling of flow in proximity of the infiltration disc will be given to elucidate influence of the disc design to thewater flow. Infiltration disc and the water collection assembly are the key parts of the proposed automated set-up designed to measure the effective parameters of hydraulic and transport characteristic under varying entrapped air content.

Název v anglickém jazyce

Hydraulic Conductivity and Entrapped Air in Heterogeneous Soil: Experimental Set-up

Popis výsledku anglicky

Heterogeneous soils exhibit distinct saturated hydraulic conductivity variation in response to the changes in entrapped gas content. Entrapped air bubbles can influence the results of hydraulic characterization by transient methods done on large soil columns. Measurements of entrapped air volume and hydraulic properties of soil present significant experimental challenges due to need for water-gas separation at the soil core boundaries and complex experimental setup. We will present a design of the infiltration disc and the water collection assembly which allow separating and quantification of air and water fluxes. Results of numerical modelling of flow in proximity of the infiltration disc will be given to elucidate influence of the disc design to thewater flow. Infiltration disc and the water collection assembly are the key parts of the proposed automated set-up designed to measure the effective parameters of hydraulic and transport characteristic under varying entrapped air content.

Druh

A - Audiovizuální tvorba

CEP obor

DF - Pedologie

OECD FORD obor

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Projekt

<a href="/cs/project/1K05024" target="_blank" >1K05024: Vliv uzavřeného vzduchu na preferenční proudění a transport škodlivých látek v heterogenních půdách</a><br>

Návaznosti

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

Rok uplatnění

2006

Kód důvěrnosti údajů

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

ISBN

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Místo vydání

Strasbourg Ceres

Název nakladatele resp. objednatele

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Verze

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Identifikační číslo nosiče

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