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엑서지를 이용한 지역난방 열요금 제도 제안

Title
엑서지를 이용한 지역난방 열요금 제도 제안
Other Titles
Suggestion for a New Exergy-Based Heat-Tariff Assessment for a District-Heating System
Author
문승재
Keywords
지역난방; 열요금; 엑서지; 인센티브; District heating; Heat tariff; Exergy; Incentive
Issue Date
2017-04
Publisher
대한설비공학회
Citation
설비공학 논문집, v. 29, no. 4, page. 202-211
Abstract
In this study, the exergy that can be reflected in the energetic and economic values was used to assess the heat tariff of a district heating (DH) system instead of the enthalpy. It is difficult to directly apply the exergy to the current heat-charge system because of the complicated calculation; therefore, the difference between the supply and return temperatures was converted to the exergy-temperature difference for the ease of the heat-amount calculation. As a result of the exergy analysis for a DH substation, the exergy-temperature difference did not affect the surrounding temperature and pressure loss. The supply temperature and the maximum difference between the supply temperature and the return temperature exerted the main effect on the exergy-temperature difference. The new heat charge of a DH user was slightly reduced in winter compared with the previous charge, but the heat charges in the other seasons are almost the same. It is concluded from the assessment of the heat tariff for which the exergy is used that this tariff is more feasible for both DH suppliers and consumers compared with enthalpy.
URI
http://koreascience.or.kr/article/JAKO201718851432847.pagehttps://repository.hanyang.ac.kr/handle/20.500.11754/113807
ISSN
1229-6422; 2465-7611
DOI
10.6110/KJACR.2017.29.4.202
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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