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Toplotno-gospodarsko optimiranje toplovodnega sistema : parametrična raziskava vpliva pogojev sistema
Karabay, Hasan (Author)

URLURL - Presentation file, Visit http://www.dlib.si/details/URN:NBN:SI:doc-W6LJREH8 This link opens in a new window

Abstract
V prispevku smo predstavili toplotno-gospodarsko metodo optimiranja toplovodnega sistema. Metoda temelji na drugem zakonu termodinamike. Sočasno, ob upostevanju eksergijske razgradnje zaradi trenja in eksergijske izgube zaradi toplotnih izgub in stroskov delovanja, smo določili optimalni premer cevi in debelino izolacije, medtem ko smo stroske cevovoda in izolacije obravnavali kot investicijo. S parametrično raziskavo smo predstavili vpliv masnega pretoka, letni čas obratovanja, amortizacijsko dobo ter temperaturo vode. Rezultati kazejo, da na optimalni premer cevi najbolj vpliva masni pretok. Letni čas obratovanja, amortizacijska doba in temperatura vode so odločilni vplivi pri izbiri primerne debeline izolacije.

Language:English
Keywords:hot water networks, optimizations, exergy destruction, exergy loss
Work type:Not categorized (r6)
Tipology:1.03 - Short Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2007
Publisher:Association of Mechanical Engineers and Technicians of Slovenia et al.
Number of pages:str. 548-555
Numbering:Letn. 53, št. 9
UDC:697.44
ISSN on article:0039-2480
COBISS.SI-ID:10274075 Link is opened in a new window
Views:456
Downloads:226
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Record is a part of a journal

Title:Strojniški vestnik
Shortened title:Stroj. vestn.
Publisher:Zveza strojnih inženirjev in tehnikov Slovenije [et al.], = Association of Mechanical Engineers and Technicians of Slovenia [et al.]
ISSN:0039-2480
COBISS.SI-ID:762116 This link opens in a new window

Secondary language

Language:Slovenian
Title:The thermo-economic optimization of hot-water piping systems
Abstract:
A thermo-economic optimization method for a hot-water distribution pipe is presented. The method is based on the second law of thermodynamics. Both theoptimum pipe diameter and the insulation thickness are determined simultaneously, considering exergy destruction due to friction and exergy lossdue to heat losses as the operation cost, while the piping and insulation costs are considered as an investment. The effect of mass flow rate, annual operation time, depreciation period and water temperature on the optimum pipe diameter and insulation thickness are presented with a parametric investigation. The results show that the mass flow rate dominates the optimum pipe diameter. The annual operation time, depreciation period and water temperature are the decision parameters for the optimum insulation thickness.

Keywords:toplovodni sistemi, optimiranje, eksergijska razgradnja, eksergijske izgube

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