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Uporaba generatorja valov za določanje lastnosti in dosega valov na nagnjeni obali : magistrsko delo
ID Čehovin, Jerneja (Author), ID Žagar, Dušan (Mentor) More about this mentor... This link opens in a new window, ID Novak, Gorazd (Comentor)

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Abstract
V nalogi obravnavamo uporabo generatorja valov v laboratorijskem kanalu. V teoretičnem delu smo prikazali splošne lastnosti valov, lastnosti posameznih tipov valovnih profilov in dve empirični metodi za izračun dosega valov na nagnjeni obali. Prikazana je metodologija hidravličnega modeliranja valov in različne vrste generatorjev valov. Podrobneje je predstavljena vsa uporabljena laboratorijska oprema in postopek izvajanja meritev. Izvedli smo tri vrste poskusov, kjer smo generirali različne vrste valov, jim izmerili osnovne parametre in jih klasificirali: valovanje z dušenjem ob navpični steni, doseg valov na gladki obali in doseg valov na hrapavi obali, s katero smo ponazorili skalomet. Rezultati meritev prikazujejo fizikalne lastnosti generiranih valov, pri čemer klasifikacija valov temelji na izmerjeni periodi in višini. Z izbranimi valovi smo nato izmerili doseg valov na gladki in s skalometom zaščiteni nagnjeni obali ter primerjali zmanjšanje dosega valov v primeru uporabe skalometa za zavarovanje obale. Izmerjeni doseg valov smo primerjali tudi z izbranima empiričnima metodama za račun dosega po nagnjeni obali. Pokazali smo, da se doseg valov z uporabo skalometa praviloma zmanjša, ujemanje med izmerjenimi in teoretičnimi vrednostmi pa je bilo boljše pri hrapavi obali. Ugotovili smo, da bo za nadaljnje raziskave valov ključno močnejše dušenje odboja in uporaba natančnejše merilne opreme.

Language:Slovenian
Keywords:valovi, generator valov, lastnosti valov, doseg valov, gladka obala, skalomet
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Place of publishing:Ljubljana
Publisher:[J. Čehovin]
Year:2021
PID:20.500.12556/RUL-127864 This link opens in a new window
UDC:532.593:627.33(497.4)(043.3)
COBISS.SI-ID:71159555 This link opens in a new window
Publication date in RUL:25.06.2021
Views:1800
Downloads:132
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Secondary language

Language:English
Title:Implementation of wave generator for determining wave characteristics and run-up on a sloped beach : master thesis
Abstract:
The thesis discusses implementation of a wave generator in a laboratory flume. In the theoretical part we introduce the general characteristics of waves, describe various types of wave profiles and present two empirical methods for computing wave run-up on an inclined beach. Furthermore, we present the methodology of hydraulic modeling of waves and various types of wave generators. The applied laboratory equipment and the experimental technique are presented in detail. Various types of waves were generated and characterized in the three experiments performed: propagation of waves with damping at the vertical wall, wave run-up on a smooth, and on an armored inclined beach. The measured values gave physical characteristics of generated waves with their classification based on wave period and wave height. Wave run-up on the smooth and the armored beach was further measured with selected waves and compared against the results of the selected empirical methods. We demonstrated that wave run-up decreased when using rock armor as a coast protection measure. Better agreement between measured and theoretical values was achieved with the beach protected with rock armor. Stronger damping of wave reflection and more precise measuring equipment should be applied in further investigations.

Keywords:waves, wave generator, wave characteristics, wave run-up, smooth slope, armor layer

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