The Impact of the Future Fluctuating Energy Consumption on a District Heating System: Case Study of Omsk and Krasnoyarsk Cities

Temperature difference between supply and return distribution medium (water) is a vital factor when assessing the efficiency of a district heating (DH) substation. An accounting for fluctuations and differences of the heat consumption/generation is the key problem in planning DH system operation. Th...

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Autores principales:	Chicherin Stanislav, Zhuikov Andrey, Kolosov Mikhail, Junussova Lyazzat, Aliyarova Madina, Yelemanova Aliya
Formato:	article
Lenguaje:	EN
Publicado:	Sciendo 2021
Materias:	demand district heating efficiency heat consumption load optimization space heating supply temperature thermal Renewable energy sources TJ807-830
Acceso en línea:	https://doaj.org/article/c01ff0cb3df14159b8b833d79327257a
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spelling	oai:doaj.org-article:c01ff0cb3df14159b8b833d79327257a2021-12-05T14:11:11ZThe Impact of the Future Fluctuating Energy Consumption on a District Heating System: Case Study of Omsk and Krasnoyarsk Cities2255-883710.2478/rtuect-2021-0040https://doaj.org/article/c01ff0cb3df14159b8b833d79327257a2021-01-01T00:00:00Zhttps://doi.org/10.2478/rtuect-2021-0040https://doaj.org/toc/2255-8837Temperature difference between supply and return distribution medium (water) is a vital factor when assessing the efficiency of a district heating (DH) substation. An accounting for fluctuations and differences of the heat consumption/generation is the key problem in planning DH system operation. The influence of the fluctuating energy consumption on a DH system was studied with actual data, using the DH systems of the Russian cities Krasnoyarsk and Omsk as a case study. Information is visualized in the form of graphs and charts, orderly and clearly comparing certain points. The data includes supply and return temperatures, and heat demand. Clearly visible state of high return temperatures induces more bottleneck problems as the flow increases. At the same time, in 2019, the total heat demand was 21 008 MW. This is more than 5 % than in 2020, assuming 100 % of consumers connected. The reasons for this trend are: decreasing total housing area, no incentive for the buildings in newly built-up areas to be connected to the DH system, poor service motivating business facilities to disconnect from the system. When the primary energy consumption related to the warmer climate and behaviour of business sector decreases, the DH system requires renovation. It is possible to reduce network return temperature during some months of the year. The reason is that, a high temperature difference is essential to maintain high efficiency and minimize fuel and pumping cost, it also enables more customers to be connected to a DH system without increasing pipe dimensions of a network.Chicherin StanislavZhuikov AndreyKolosov MikhailJunussova LyazzatAliyarova MadinaYelemanova AliyaSciendoarticledemanddistrict heatingefficiencyheat consumptionloadoptimizationspace heatingsupplytemperaturethermalRenewable energy sourcesTJ807-830ENEnvironmental and Climate Technologies, Vol 25, Iss 1, Pp 551-562 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	demand district heating efficiency heat consumption load optimization space heating supply temperature thermal Renewable energy sources TJ807-830
spellingShingle	demand district heating efficiency heat consumption load optimization space heating supply temperature thermal Renewable energy sources TJ807-830 Chicherin Stanislav Zhuikov Andrey Kolosov Mikhail Junussova Lyazzat Aliyarova Madina Yelemanova Aliya The Impact of the Future Fluctuating Energy Consumption on a District Heating System: Case Study of Omsk and Krasnoyarsk Cities
description	Temperature difference between supply and return distribution medium (water) is a vital factor when assessing the efficiency of a district heating (DH) substation. An accounting for fluctuations and differences of the heat consumption/generation is the key problem in planning DH system operation. The influence of the fluctuating energy consumption on a DH system was studied with actual data, using the DH systems of the Russian cities Krasnoyarsk and Omsk as a case study. Information is visualized in the form of graphs and charts, orderly and clearly comparing certain points. The data includes supply and return temperatures, and heat demand. Clearly visible state of high return temperatures induces more bottleneck problems as the flow increases. At the same time, in 2019, the total heat demand was 21 008 MW. This is more than 5 % than in 2020, assuming 100 % of consumers connected. The reasons for this trend are: decreasing total housing area, no incentive for the buildings in newly built-up areas to be connected to the DH system, poor service motivating business facilities to disconnect from the system. When the primary energy consumption related to the warmer climate and behaviour of business sector decreases, the DH system requires renovation. It is possible to reduce network return temperature during some months of the year. The reason is that, a high temperature difference is essential to maintain high efficiency and minimize fuel and pumping cost, it also enables more customers to be connected to a DH system without increasing pipe dimensions of a network.
format	article
author	Chicherin Stanislav Zhuikov Andrey Kolosov Mikhail Junussova Lyazzat Aliyarova Madina Yelemanova Aliya
author_facet	Chicherin Stanislav Zhuikov Andrey Kolosov Mikhail Junussova Lyazzat Aliyarova Madina Yelemanova Aliya
author_sort	Chicherin Stanislav
title	The Impact of the Future Fluctuating Energy Consumption on a District Heating System: Case Study of Omsk and Krasnoyarsk Cities
title_short	The Impact of the Future Fluctuating Energy Consumption on a District Heating System: Case Study of Omsk and Krasnoyarsk Cities
title_full	The Impact of the Future Fluctuating Energy Consumption on a District Heating System: Case Study of Omsk and Krasnoyarsk Cities
title_fullStr	The Impact of the Future Fluctuating Energy Consumption on a District Heating System: Case Study of Omsk and Krasnoyarsk Cities
title_full_unstemmed	The Impact of the Future Fluctuating Energy Consumption on a District Heating System: Case Study of Omsk and Krasnoyarsk Cities
title_sort	impact of the future fluctuating energy consumption on a district heating system: case study of omsk and krasnoyarsk cities
publisher	Sciendo
publishDate	2021
url	https://doaj.org/article/c01ff0cb3df14159b8b833d79327257a
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The Impact of the Future Fluctuating Energy Consumption on a District Heating System: Case Study of Omsk and Krasnoyarsk Cities

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