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District Cooling Network Planning. A Case Study of Tallinn

The planning procedure for district cooling as an urban system was presented and carried out using the example of the Tallinn city centre. The following steps were described in detail: cooling demand determination, cooling generation planning and cooling transition analysis. Based on the three propo...

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Published in:International journal of sustainable energy planning and management 2022, Vol.34, p.63-78
Main Authors: Volkova, Anna, Hlebnikov, Aleksandr, Ledvanov, Aleksandr, Kirs, Tanel, Raudsepp, Urmas, Latõšov, Eduard
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container_title International journal of sustainable energy planning and management
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creator Volkova, Anna
Hlebnikov, Aleksandr
Ledvanov, Aleksandr
Kirs, Tanel
Raudsepp, Urmas
Latõšov, Eduard
description The planning procedure for district cooling as an urban system was presented and carried out using the example of the Tallinn city centre. The following steps were described in detail: cooling demand determination, cooling generation planning and cooling transition analysis. Based on the three proposed methods (average specific cooling load, satellite imagery analysis of a specific building, counting the number of fans in dry coolers and the combination method), the cooling capacity of the evaluated district was estimated at 63.2 MW. In terms of cooling generation, the analysis shows that seawater for free cooling can cover up to 55% of the annual cooling consumption. Electric chillers and absorption chillers that use surplus heat can cover the rest of the district cooling demand. The district cooling network was designed for three scenarios: with one generating unit, with two generating units and a looped network. Despite the fact that the looped network is the most expensive option, this type of solution is considered feasible as it will make it easier to connect new consumers.
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subjects Chemical analysis
Chillers
City centres
Coolers
Cooling
Cooling loads
Cooling systems
District cooling
district heating
energy planning
free cooling
Satellite imagery
Seawater
seawater cooling
Water analysis
title District Cooling Network Planning. A Case Study of Tallinn
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