Importance of Increased Knowledge on Reliability of District Heating Pipes

Tereshchenko, Tymofii; Nord, Nataša

doi:10.1016/j.proeng.2016.06.423

Cited by 18 publications

(6 citation statements)

References 30 publications

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“…Senouci et al developed an ANN base model to predict oil and gas pipeline failures for various failure types as well as mechanical operational and corrosion with an average validity of 92 % [42]. Sharma employed RNN in combination with a long Environmental and Climate Technologies ____________________________________________________________________________ 2020 / 24 302 short-term memory (LSTM) for predictive maintenance and asset management in oil and gas industry [43].…”

Section: Discussionmentioning

confidence: 99%

Applicable Predictive Maintenance Diagnosis Methods in Service-Life Prediction of District Heating Pipes

Langroudi

Weidlich

2020

Environmental and Climate Technologies

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Maintaining the supply chain in every industry is an important concern for the operators. The negative impacts of inappropriate maintenance could be discussed from different perspectives as well as capital loss, reputation loss, hazard and risk for lives, etc. In recent years, District heating (DH) in the countries that employing this technology broadly, turned to a vital energy infrastructure for delivering heat from suppliers to the consumers. Therefore, the reliability of the system is of high importance for the public interest. The transition from reactive maintenance to proactive maintenance have improved a lot the reliability to the system. Currently, many industries are exploiting different forms of artificial intelligence (AI) to predict the failures and plan for interventions to increase the system efficiency. In this paper the different methods of predictive maintenance have been reviewed and the compatibility to apply on a DH network has been discussed.

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Section: Discussionmentioning

confidence: 99%

Applicable Predictive Maintenance Diagnosis Methods in Service-Life Prediction of District Heating Pipes

Langroudi

Weidlich

2020

Environmental and Climate Technologies

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“…In paper [4], three groups of factors that cause wear of pipelines of central heating systems were considered, namely physical, environmental and operational. Recommendations for preventing damage to pipelines are given.…”

Section: Engineeringmentioning

confidence: 99%

Development of statistical modeling of the pipelines' reliability projections of the main heat networks, according to the period of operation and diameter

et al. 2022

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Using the method of statistical modeling of pipeline reliability, the statistical model for forecasting the dependence of the failure parameter of pipelines of main heating networks on the service life and diameter was developed and analyzed. This method includes two techniques. The first allows to obtain predictive dependences of pipeline reliability indicators for systems that include sections of different diameters with different service life periods and actual data on damage over several years. The second increases the correctness of the obtained dependences by optimizing the service life step in the study of damage to heat pipes. As a result of the study, the dependence of the reliability of main pipelines on the service life and diameter was established. The condition and forecast values of the specified indicator of reliability of main heat pipelines, and also dynamics and range of its changes are defined. The average value of the failure rate parameter increases from 0.23 1/km year (diameter 300 mm) to 0.62 1/km year (diameter 800 mm), which is 2.7 times larger than the pipes with the diameter 300 mm. The multiplicity of changes in the value of the parameter of the flow of failures was also established in accordance with the change in the diameter of the pipelines. According to the developed statistical model the dependence for calculation of the forecast of quantity of damages of the main heat pipelines according to their service life, diameter and length is established. This will increase the reliability of heating systems and effectively plan the cost of material, technical and labor resources. The given method can be used to assess the forecast of the reliability of pipelines, respectively, of their diameters for other engineering systems and networks

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“…Furthermore, high temperature-sustaining materials (i.e., steel) must be used for the network [14], including heat exchangers, valves and instrumentations. Moreover, integration in the network is suitable only for high temperature sources, thus limiting the possibility of renewables exploitation [15,16].…”

Section: Introductionmentioning

confidence: 99%

The Innovative Concept of Cold District Heating Networks: A Literature Review

Pellegrini

Bianchini

2018

Energies

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Abstract:The development of sustainable and innovative solutions for the production and supply of energy at district level is nowadays one of the main technical challenges. In the past, district heating and cooling networks aimed to achieve greater energy efficiency through the centralization of the energy production process but with relevant losses related to heat transport. Moving towards a higher share of renewables and lower demand of primary energy requires redesign of the energy district networks. The novel concept of cold district heating networks aims to combine the advantages of a centralized energy distribution system with low heat losses in energy supply. This combined effect is achieved through the centralized supply of water at relatively low temperatures (in the range 10-25 • C), which is then heated up by decentralized heat pumps. Moreover, cold district heating networks are also very suitable for cooling delivery, since cold water supplying can be directly used for cooling purposes (i.e., free cooling) or to feed decentralized chillers with very high energy efficiency ratio. This paper provides a preliminary literature review of existing cold district heating networks and then qualitatively analyses benefits and drawbacks in comparison with the alternatives currently used to produce heat and cold at district level, including the evaluation of major barriers to its further development.

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Importance of Increased Knowledge on Reliability of District Heating Pipes

Cited by 18 publications

References 30 publications

Applicable Predictive Maintenance Diagnosis Methods in Service-Life Prediction of District Heating Pipes

Applicable Predictive Maintenance Diagnosis Methods in Service-Life Prediction of District Heating Pipes

Development of statistical modeling of the pipelines' reliability projections of the main heat networks, according to the period of operation and diameter

The Innovative Concept of Cold District Heating Networks: A Literature Review

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