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Št. zadetkov: 7
Seepage detection using passive temperature measurements by fiber optic DTS
Yaser Ghafoori
Kratki znanstveni prispevek
Oznake: optical fiber DTS;soil;emperature;seepage;
This article is an extended abstract of the doctoral dissertation “Optimization of early seepage detection in embankments using a distributed temperature system based on fiber optic sensing” [1]. Distributed Temperature Sensors (DTS) measure temperature precisely with high spatial resolution, enabli ...
Leto: 2024 Vir: Zavod za gradbeništvo Slovenije (ZAG)
Design and static analysis of arch dam using software SAP2000
Yaser Ghafoori, Andrej Kryžanowski, Dejan Zupan
Magistrsko delo
Oznake: civil engineering;master of science thesis;arch dam;static analysis;stress;deformation;
Predmet obdelave v magistrski nalogi je izdelava statične analize ločne pregrade. V analizi smo izbrali hipotetični primer ločne pregrade, ki smo jo zasnovali po priporočilih za načrtovanje ločnih pregrad, ki so v uporabi v Združenih državah Amerike. V prvem delu naloge so podane osnovne definicije ...
Leto: 2016 Vir: Fakulteta za gradbeništvo in geodezijo (UL FGG)
ǂA ǂdynamic calibration of optical fiber DTS measurements using PEST and reference thermometers
Yaser Ghafoori, Andrej Vidmar, Andrej Kryžanowski
Izvirni znanstveni članek
Oznake: sistem DTS za zvezno spremljanje temperature vodnega telesa;kalibracija;PEST;thermometer;Raman scattering;optical fiber DTS;calibration;
Temperature measurements are widely used in structural health monitoring. Optical fiber distributed temperature sensors (DTS) are developed, based on Raman spectroscopy, to measure temperature with relatively high accuracy and short temporal and spatial resolutions. DTS systems provide an extensive ...
Leto: 2022 Vir: Fakulteta za gradbeništvo in geodezijo (UL FGG)
ǂAǂ review of measurement calibration and interpretation for seepage monitoring by optical fiber distributed temperature sensors
Yaser Ghafoori, Andrej Vidmar, Jaromir Říha, Andrej Kryžanowski
Pregledni znanstveni članek
Oznake: hidrotehnika;DTS;temperatura;precejanje;kalibracija;hydrotechnics;optical fiber DTS;temperature;seepage;calibration;data interpretation;
Slovenian Research Agency and contribution from the project FAST-S-19-5714 (Probability assessment of internal instability in earth structures and in hydraulic structures, BUT Brno, Czech Republic).
Leto: 2021 Vir: Fakulteta za gradbeništvo in geodezijo (UL FGG)
Analysis of seepage in a laboratory scaled model using passive optical fiber distributed temperature sensor
Yaser Ghafoori, Matej Maček, Andrej Vidmar, Jaromir Říha, Andrej Kryžanowski
Izvirni znanstveni članek
Oznake: precejanje;temperatura;nasičenost;hitrost toka;hidrotehnika;seepage;temperature;saturation;flow velocity;hydrotecnics;
Seepage is the key factor in the safety of dikes and earth-fill dams. It is crucial to identify and localize the seepage excesses at the early stages before it initiates the internal erosion process in the structure. A proper seepage monitoring system should ensure a continuous and wide area seepage ...
Leto: 2020 Vir: Fakulteta za gradbeništvo in geodezijo (UL FGG)
Heat transfer by seepage in sand
Yaser Ghafoori, Matej Maček, Andrej Vidmar, Jaromir Říha, Andrej Kryžanowski
Izvirni znanstveni članek
Oznake: heat transfer;porosity;saturated hydraulic conductivity;temperature, seepage;
Heat transfer within the soil is a complex process in the presence of seepage flow. In such conditions, the soil%s thermal behavior is influenced by the thermal and hydraulic properties of the medium as well as the initial conditions and boundary conditions to which the medium is subjected. This pap ...
Leto: 2021 Vir: Fakulteta za gradbeništvo in geodezijo (UL FGG)
Optimization of early seepage detection in embankments using a distributed temperature system based on fiber optic sensing
Yaser Ghafoori, Andrej Kryžanowski, Jaromir Říha, Janko Logar, Goran Vižintin, Jean-Jacques Fry
Doktorska disertacija
Oznake: Built Environment;civil engineering;doctoral thesis;embankment;seepage;temperature;optical fiber DTS;soil;
Seepage is the most important indicator in the safety assessment of embankments which requires continuous monitoring to maintain structural integrity. Punctual monitoring techniques for seepage in embankments can only provide limited information on the process. As the thermal behavior of embankments ...
Leto: 2023 Vir: Fakulteta za gradbeništvo in geodezijo (UL FGG)
Št. zadetkov: 7
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