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Simulacija aeroakustičnega pretočnega kanala
Cerkovnik, Nejc (Author), Prezelj, Jurij (Mentor) More about this mentor... This link opens in a new window

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Abstract
V sklopu naloge je bilo potrebno zasnovati virtualni model preizkuševališča v obliki cevi in na njem izvesti simulacije delovanja. Potrebno je bilo izvesti preračun tlačnih izgub, poleg tega pa v cevi določiti tudi zadostno veliko hitrost zraka, potrebno za meritve. Že po prvih preračunih je bilo jasno, da zahtevane hitrosti 100 m/s ne bomo dosegli. Tako smo zahteve spustili na dobrih 50 m/s z uporabo povezanih sesalnih enot. Prav tako smo v testnem delu cevi pri taki hitrosti dosegli ustaljen in homogen potek toka. Na koncu smo s simulacijami prikazali delovanje preizkuševališča, saj smo iz premikanja tlačnih motenj v cevi izločili tlačne pulzacije, ki bodo zanimive za analizo na zgrajenem preizkuševališču.

Language:Slovenian
Keywords:simuliranje tokov, računalniške simulacije, akustično preizkuševališče, tlak v ceveh, hitrost v ceveh
Work type:Final paper (mb12)
Tipology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Year:2019
Publisher:[N. Cerkovnik]
Number of pages:XIV, 39 f.
UDC:532.574+534.612:533.6.011.1(043.2)
COBISS.SI-ID:16896027 This link opens in a new window
Views:275
Downloads:151
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Secondary language

Language:English
Title:Simulation of aeroacustic flow channel
Abstract:
As part of the task, it was necessary to design a virtual test tube model and perform simulations on it. It was necessary to carry out a calculation of pressure losses, and in addition, also to determine the sufficient high velocity of air needed for the measurements. Already after the first calculations, it was clear that we could not achieve the required speed of 100 m/s. We thus lowered the requirements to more than 50 m/s using connected suction units. We also achieved a steady and homogeneous flow in the test tube at such speed. We made simulations showing the operation of the test station. We found pressure disruptions in the tube, which can be interesting for analysis at the built test site.

Keywords:stream simulations, computer simulations, acoustic test station, pressure in tubes, speed in tubes

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