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Modelling, Optimisation and Modernisation of Heating Systems
https://orcid.org/https://orcid.org/0000-0001-5606-6090
This chapter provides an extensive survey on the modelling and optimisation of district heating systems (DHSs) focused on the heat distribution network, an energy analysis of unbalanced central heating systems, as well as a comprehensive discussion about pump control in heating stations, analysing the energy efficiency of flow control methods. For this purpose, the major components of a DHS have been described and discussed, and their modelling has briefly reviewed including numerical simulation models for heat sources, end-users, and especially, the distribution network. The main deterministic and heuristic optimisation techniques are briefly explained. A comparative energy analysis is performed on the hot water flow rate adjustment using throttling control valves and variable-speed drives in a district heating plant constructed in Romania. To correlate the pumped flow rate with the heat demand and to ensure the necessary pressure using minimum energy, an automatic device has been designed. Additionally, the performance of a fluid temperature control system using self-adjustable cables and the main plastic materials used for the manufacturing of tubes for heat distribution in buildings are presented, and a comparative analysis of the physical, mechanical, geometric and hydraulic characteristics of the tubes produced both from classical metallic materials and from different plastic materials is performed.
Modelling, Optimisation and Modernisation of Heating Systems
https://orcid.org/https://orcid.org/0000-0001-5606-6090
This chapter provides an extensive survey on the modelling and optimisation of district heating systems (DHSs) focused on the heat distribution network, an energy analysis of unbalanced central heating systems, as well as a comprehensive discussion about pump control in heating stations, analysing the energy efficiency of flow control methods. For this purpose, the major components of a DHS have been described and discussed, and their modelling has briefly reviewed including numerical simulation models for heat sources, end-users, and especially, the distribution network. The main deterministic and heuristic optimisation techniques are briefly explained. A comparative energy analysis is performed on the hot water flow rate adjustment using throttling control valves and variable-speed drives in a district heating plant constructed in Romania. To correlate the pumped flow rate with the heat demand and to ensure the necessary pressure using minimum energy, an automatic device has been designed. Additionally, the performance of a fluid temperature control system using self-adjustable cables and the main plastic materials used for the manufacturing of tubes for heat distribution in buildings are presented, and a comparative analysis of the physical, mechanical, geometric and hydraulic characteristics of the tubes produced both from classical metallic materials and from different plastic materials is performed.
Modelling, Optimisation and Modernisation of Heating Systems
https://orcid.org/https://orcid.org/0000-0001-5606-6090
This chapter provides an extensive survey on the modelling and optimisation of district heating systems (DHSs) focused on the heat distribution network, an energy analysis of unbalanced central heating systems, as well as a comprehensive discussion about pump control in heating stations, analysing the energy efficiency of flow control methods. For this purpose, the major components of a DHS have been described and discussed, and their modelling has briefly reviewed including numerical simulation models for heat sources, end-users, and especially, the distribution network. The main deterministic and heuristic optimisation techniques are briefly explained. A comparative energy analysis is performed on the hot water flow rate adjustment using throttling control valves and variable-speed drives in a district heating plant constructed in Romania. To correlate the pumped flow rate with the heat demand and to ensure the necessary pressure using minimum energy, an automatic device has been designed. Additionally, the performance of a fluid temperature control system using self-adjustable cables and the main plastic materials used for the manufacturing of tubes for heat distribution in buildings are presented, and a comparative analysis of the physical, mechanical, geometric and hydraulic characteristics of the tubes produced both from classical metallic materials and from different plastic materials is performed.
Modelling, Optimisation and Modernisation of Heating Systems
Sarbu, Ioan (author)
Advances in Building Services Engineering ; Chapter: 3 ; 87-208
2021-01-05
122 pages
Article/Chapter (Book)
Electronic Resource
English
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