zaključna naloga
Trina Resnik (Author), Miha Mihovilovič (Mentor), Matjaž Vencelj (Co-mentor)

Abstract

Sestavili smo preprosto fizično nihalo, katerega lahko pospravimo v pohodniški nahrbtnik in z njim preko nihajnega časa določimo na kateri višini smo. Pri sestavljanju je bilo potrebno kar precej ročnega dela, program za merjenje nihajnega časa, ki sem ga sestavila v Pythonu, pa je prejemal podatke iz mikrokrmilnika, s katerim smo preko optičnega senzorja merili periodo. Z mikrokrmilnikom smo zapisovali tudi vremenske spremenljivke. Ker natančne dolžine oziroma razdalje od osi do težišča nihala nismo poznali, smo ga umerili na znani višini v Ljubljani in preko spremembe nihajnega časa določali druge višine.

Keywords

fizika;merilne naprave;merjenje nadmorske višine;težno nihalo;nihajni čas;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FMF - Faculty of Mathematics and Physics
Publisher: [T. Resnik]
UDC: 53.082.14
COBISS: 3371364 Link will open in a new window
Views: 989
Downloads: 200
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Other data

Secondary language: English
Secondary title: Pendulum altimeter
Secondary abstract: Our goal was to build a simple gravity pendulum which can fit into a hiking backpack and can measure the altitude at any point. The building process included some manual work with different machines. The program for measuring the pendulum's period, which was built in Python, was recieving data from a microcontroller. The microcontroller was reading an optical sensor for measuring the swing time and two other sensors for measuring atmospheric variables. Because we did not know the exact lenght from the axis of oscillation to the center of mass, we calibrated the pendulum to a known altitude in Ljubjana and determined the altitudes around Slovenia by the change of the period.
Secondary keywords: physics;measurement devices;altitude measurement;gravity pendulum;period;
Type (COBISS): Final paper
Study programme: 0
Embargo end date (OpenAIRE): 1970-01-01
Thesis comment: Univ. v Ljubljani, Fak. za matematiko in fiziko, Oddelek za fiziko
Pages: 47 str.
ID: 11224175
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