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Prognostisering av Fjärrvärmebehov: -En jämförelse av fastigheter med olikastor varmvattenanvändning
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
2017 (Swedish)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis aims to investigate the differences in diurnal and annual use of districtheating for two kind of heat users with different amount of warm water usage. Thefirst user is a hotel including spa facilities that uses a large amount of warm water, thesecond user is an office building that has a very low usage of warm water.The aim is to develop and validate methods for forecasting district heat use onvarious timescales. The average daily temperature for each month is shown to benormally distributed and average temperatures are therefore suitable for long-termforecasting. It is also shown that there is a clear linear relationship between lowerout-door temperature and higher use of district heating power. The thesis shows thatthe hotel will have a different power signature for their district heating compared tothe office that use a relative low amount of warm water.Short term forecasts, with a horizon of 10 days, are made for both the hotel andoffice building. As a result of the forecasts it is shown that the it is easier todetermine when the peak district heating power outtake will occur for the buildingwith a high amount of domestic hot water usage. However, forecasts for total diurnalheat use are equally accurate for the investigated buildings

Place, publisher, year, edition, pages
2017. , 43 p.
Series
UPTEC ES, ISSN 1650-8300 ; 17 004
Keyword [sv]
Fjärrvärme, användarprofil, användarkurva, vattenanvändning, byggnader, fastigheter, fjärrvärmeanvändning, dygnsvariation, effektsignatur, varmvatten, energibalans, prognostisering, fjärrvärmeprognostisering
National Category
Energy Engineering Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-321968OAI: oai:DiVA.org:uu-321968DiVA: diva2:1095427
External cooperation
Mestro AB
Educational program
Master Programme in Energy Systems Engineering
Presentation
2017-01-30, 13:00 (Swedish)
Supervisors
Examiners
Available from: 2017-05-15 Created: 2017-05-14 Last updated: 2017-05-15Bibliographically approved

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Citation style
  • apa
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Output format
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