Energy-focused substantiation of the choice of an air conditioning system for an office and shopping building
Introduction. The air conditioning system is the main consumer of electricity inside office and shopping buildings. The cooling needs arise inside such buildings all over the year due to high amounts of heat emitted by people and equipment (computers, office equipment, cash registers), solar radiati...
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Moscow State University of Civil Engineering (MGSU)
2023-01-01
|
| Series: | Stroitel’stvo: Nauka i Obrazovanie |
| Subjects: | |
| Online Access: | https://www.nso-journal.ru/jour/article/view/36 |
| _version_ | 1797321620070596608 |
|---|---|
| author | Anastasiya A. Frolova Pavel I. Lukhmenev |
| author_facet | Anastasiya A. Frolova Pavel I. Lukhmenev |
| author_sort | Anastasiya A. Frolova |
| collection | DOAJ |
| description | Introduction. The air conditioning system is the main consumer of electricity inside office and shopping buildings. The cooling needs arise inside such buildings all over the year due to high amounts of heat emitted by people and equipment (computers, office equipment, cash registers), solar radiation (the envelopes of the majority of these buildings have continuous glazed facades) and sources of artificial lighting. A conventional cooling system has a compressor and condensers. The most important step towards an optimized and low-energy cooling system is the abandonment of compressor and condensers; in addition, the cold extracted from the outdoor air, is used in the system. This cooling technique is called an atmospheric cooling system. The climatic features of Russia allow for a large-scale application of the cooling technology that uses natural cold. However, for a start, a decision was made to focus on a central region of the Russian Federation, namely, Moscow, rather than any northern areas of the country.Materials and methods.The problem is solved by the calculation method applied to the case of a 35-storey office building in Moscow. Various outdoor temperature options were considered as the bases for a transition to an atmospheric cooling system. The co-authors also compare different installation options for dry coolers, which in turn affect the routing length of refrigeration circuits. The annual demand for cold is calculated for all analyzed options.Results. Some results are presented in the form of tables of annual energy consumption by different types of air cooling systems.Conclusions. The co-authors have found that the location of dry coolers strongly affects the power consumption by a cooling system. Power consumption by cooling systems was analyzed, and it was found out that transition to machine refrigeration at the higher outdoor temperature of +8 °C is more efficient from the standpoint of energy efficiency than the same transition at +5 and 0 °C. |
| first_indexed | 2024-03-08T05:01:09Z |
| format | Article |
| id | doaj.art-2d65a757d0544f69b12c253dbaaf458b |
| institution | Directory Open Access Journal |
| issn | 2305-5502 |
| language | English |
| last_indexed | 2024-03-08T05:01:09Z |
| publishDate | 2023-01-01 |
| publisher | Moscow State University of Civil Engineering (MGSU) |
| record_format | Article |
| series | Stroitel’stvo: Nauka i Obrazovanie |
| spelling | doaj.art-2d65a757d0544f69b12c253dbaaf458b2024-02-07T11:27:48ZengMoscow State University of Civil Engineering (MGSU)Stroitel’stvo: Nauka i Obrazovanie2305-55022023-01-01112384510.22227/2305-5502.2021.2.335Energy-focused substantiation of the choice of an air conditioning system for an office and shopping buildingAnastasiya A. Frolova0Pavel I. Lukhmenev1Moscow State University of Civil Engineering (National Research University) (MGSU)Moscow State University of Civil Engineering (National Research University) (MGSU); LLC “Engineering Delo”Introduction. The air conditioning system is the main consumer of electricity inside office and shopping buildings. The cooling needs arise inside such buildings all over the year due to high amounts of heat emitted by people and equipment (computers, office equipment, cash registers), solar radiation (the envelopes of the majority of these buildings have continuous glazed facades) and sources of artificial lighting. A conventional cooling system has a compressor and condensers. The most important step towards an optimized and low-energy cooling system is the abandonment of compressor and condensers; in addition, the cold extracted from the outdoor air, is used in the system. This cooling technique is called an atmospheric cooling system. The climatic features of Russia allow for a large-scale application of the cooling technology that uses natural cold. However, for a start, a decision was made to focus on a central region of the Russian Federation, namely, Moscow, rather than any northern areas of the country.Materials and methods.The problem is solved by the calculation method applied to the case of a 35-storey office building in Moscow. Various outdoor temperature options were considered as the bases for a transition to an atmospheric cooling system. The co-authors also compare different installation options for dry coolers, which in turn affect the routing length of refrigeration circuits. The annual demand for cold is calculated for all analyzed options.Results. Some results are presented in the form of tables of annual energy consumption by different types of air cooling systems.Conclusions. The co-authors have found that the location of dry coolers strongly affects the power consumption by a cooling system. Power consumption by cooling systems was analyzed, and it was found out that transition to machine refrigeration at the higher outdoor temperature of +8 °C is more efficient from the standpoint of energy efficiency than the same transition at +5 and 0 °C.https://www.nso-journal.ru/jour/article/view/36atmospheric coolingair conditioningmachine coolingannual energy consumptionenergy efficiency assessment |
| spellingShingle | Anastasiya A. Frolova Pavel I. Lukhmenev Energy-focused substantiation of the choice of an air conditioning system for an office and shopping building Stroitel’stvo: Nauka i Obrazovanie atmospheric cooling air conditioning machine cooling annual energy consumption energy efficiency assessment |
| title | Energy-focused substantiation of the choice of an air conditioning system for an office and shopping building |
| title_full | Energy-focused substantiation of the choice of an air conditioning system for an office and shopping building |
| title_fullStr | Energy-focused substantiation of the choice of an air conditioning system for an office and shopping building |
| title_full_unstemmed | Energy-focused substantiation of the choice of an air conditioning system for an office and shopping building |
| title_short | Energy-focused substantiation of the choice of an air conditioning system for an office and shopping building |
| title_sort | energy focused substantiation of the choice of an air conditioning system for an office and shopping building |
| topic | atmospheric cooling air conditioning machine cooling annual energy consumption energy efficiency assessment |
| url | https://www.nso-journal.ru/jour/article/view/36 |
| work_keys_str_mv | AT anastasiyaafrolova energyfocusedsubstantiationofthechoiceofanairconditioningsystemforanofficeandshoppingbuilding AT pavelilukhmenev energyfocusedsubstantiationofthechoiceofanairconditioningsystemforanofficeandshoppingbuilding |