zaključna naloga Univerzitetnega študijskega programa I. stopnje Strojništvo - Razvojno raziskovalni program
Luka Podpečan (Author), Matjaž Perpar (Mentor)

Abstract

V sklopu zaključne naloge smo z eno-dimenzijskim modeliranjem dvofaznega toka analizirali padec tlaka v sklopu kapilar pred vstopom v cevno-lamelni uparjalnik toplotne črpalke. Postavljena je bila eksperimentalna kolona, kjer smo lahko beležili podatke o padcu tlaka. Za izračune smo uporabili eno-dimenzijski pristop z modelom ločenega toka (Lockhart – Martinelli). Analitični model smo preverili z meritvami na obstoječi toplotni črpalki ADAPT 0724. Na podlagi analitičnega modela smo zasnovali sklop kapilar za novi model toplotne črpalke.

Keywords

diplomske naloge;toplotna črpalka;dvofazni tok;sklop kapilar;padec tlaka;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL FS - Faculty of Mechanical Engineering
Publisher: [L. Podpečan]
UDC: 621.577:621.3.025.2:532.11(043.2)
COBISS: 169623811 Link will open in a new window
Views: 61
Downloads: 7
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Other data

Secondary language: English
Secondary title: Application of one-dimensional two-phase flow modeling to design the capillary assembly before entering a tube-fin heat pump evaporator
Secondary abstract: In the final assigment, the pressure drop in the capillary assembly before entering a tube-fin heat pump evaporator were analysed using one-dimensional two-phase flow modelling. An experimental column was set up to record pressure dropa data. For the calculations, we used a one-dimensional approach with a seperate flow model (Lockhart – Martinelli). The analytical model was verified with measurements on an existing heat pump ADAPT 0724. Based on the corresponding analytical model, we have designed a set of capillaries for a new heat pump model.
Secondary keywords: thesis;heat pump;two-phase flow;capillary tubes;pressure drop;
Type (COBISS): Final paper
Study programme: 0
Embargo end date (OpenAIRE): 1970-01-01
Thesis comment: Univ. v Ljubljani, Fak. za strojništvo
Pages: XI, 28 f.
ID: 19912920
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