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Title:DALJINSKO OGREVANJE MESTA TRBOVLJE
Authors:ID Kurent, Metod (Author)
ID Krope, Jurij (Mentor) More about this mentor... New window
Files:.pdf SPEC_Kurent_Metod_2010.pdf (12,87 MB)
MD5: 46C9B1479CC095B8B1627600A13E636C
PID: 20.500.12556/dkum/861209e7-ff43-43a0-b617-44d921b1a3ec
 
Language:Slovenian
Work type:Specialist thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:V delu je predstavljena aplikacija modela CAD HAPN za izračun pretočno-tlačnih razmer v vročevodnem omrežju daljinskega ogrevanja mesta Trbovlje. Aplikacija je v celoti izdelana v objektno usmerjeni programski tehnologiji, razviti na Fakulteti za strojništvo Univerze v Mariboru. Osnova so numerični moduli HAPN/HW (hidravlična analiza cevne mreže/vroča voda), ki omogočajo: — določanje smeri pretoka v posameznih odsekih cevne mreže; — izračun volumskega pretoka v posameznih odsekih cevne mreže; — izračun padca tlaka v posameznih odsekih cevne mreže; — izračun tlaka v vozliščih; — pretočno-tlačno analizo cevne mreže s poljubnim številom vtokov in iztokov; — pretočno-tlačno analizo cevne mreže s črpalnimi postajami; — pretočno-tlačno analizo cevne mreže pri spremenljivo odprtih ventilih; — pretočno-tlačno analizo drevesno, zankasto ali kombinirano oblikovane cevne mreže. Podatki o cevni mreži, porabnikih, o topologijah itn. so pridobljeni pri Javnem podjetju Komunala Trbovlje d.o.o. in navedeni v tabelarični obliki. Vsi izračuni so izvedeni za faktorja istočasnosti 0,5 in 1,0. Na osnovi izsledkov so analizirane možnosti zmanjšanja obratovalnega tlaka in letnih črpalnih stroškov. Navedene so tudi enačbe za izračun toplotnih izgub skozi izolirane cevovode, ki potekajo v zraku oziroma kinetah.
Keywords:komunalna energetika, daljinsko ogrevanje, cevne mreže, nelinearno programiranje, pretočno-tlačna analiza, poraba toplotne energije, izolacije.
Place of publishing:[Maribor
Publisher:M. Kurent]
Year of publishing:2010
PID:20.500.12556/DKUM-14333 New window
UDC:697.8:519.61/.64
COBISS.SI-ID:14302998 New window
NUK URN:URN:SI:UM:DK:N4MVIQDQ
Publication date in DKUM:29.06.2010
Views:4397
Downloads:381
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:DISTRICT HEATING IN THE CITY TRBOVLJE
Abstract:This work present the CAD application HAPN design to calculate flow – pressure conditions in hot water transmission systems. The application is completely designed in object – oriented programming technology, which was developed on the Faculty of mechanical engineering, University of Maribor. Its basis are numerical modules HAPN/HW (hydraulic analysis of pipe networks/hot water), which enable: – determination of flow direction in pipe network section; – calculation of volume flow in pipe network sections; – calculation of pressure drops in pipe network sections; – calculation of pressure in nodes; – flow-pressure analyses of pipe network with any number of inflows and outflows; – flow-pressure analyses of pipe network with pumping stations; – flow-pressure analyses of conditions by part opened valves; – flow-pressure analyses of pipe networks with tree-like, loop and combined shape. The data on pipe network, consumers, topology, etc. are from Javno podjetje Komunala Trbovlje d.o.o. and are entered in tabular form. All calculations are made for the simultaneity factor 0,5 and 1,0. From the results the potential to reduce pressure drop and the annual pumping costs are analyzed. Also the equations for the calculation of heat losses through the insulated pipes held in the air or in canals are given.
Keywords:community energy, district heating, pipe network, non-linear programming, flow-pressure drop analyses, heat consumption predictions, isolation.


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