A review of progress in reliability evaluation on district heating system

doi:10.16265/j.cnki.issn1003-3033.2017.12.009

Abstract

Abstract: To have a general overview of progress in researches on district heating reliability evaluation and predict the trends in the researches, a systematic and thorough literature review was carried out through Google Scholar. From the perspective of functional characteristics under failure condition, failure state judgment criterion and evaluation index, the advances in researches on district heating reliability evaluation were summarized. The research contents and limitations of 3 evaluation methods, considering structural characteristics, hydraulic characteristics and thermodynamic characteristics under failure condition respectively, were furthermore discussed and analyzed. Finally, the trends in the researches on district heating reliability evaluation were presented. Research results show that the evaluation method considering thermodynamic characteristics under failure condition will be the focal point of the research in the days to come, that improving the accuracy of the model taking into account integrating connectivity of heat users, hydraulic characteristics and thermal inertia of heating network and buildings and the reducing the computational complexity are the problems to be solved, and that the effects of both the multiple failures and the secondary failures on the district heating system need to be studied.

Key words: district heating system, reliability, evaluation index, failure condition, functional characteristics

CLC Number:

X913.4

CAO Shanshan, WANG Peng, SHAN Xiaofang, YAO Yang. A review of progress in reliability evaluation on district heating system[J]. China Safety Science Journal, 2017, 27(12): 49-55.

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