Assessment of the Economic and Environmental Impact of Double Glazed Façade Ventilation Systems in Mediterranean Climates
Free convection is the most often used method in order to reduce solar load gains on a building with double glazed façades (DGFs). However, depending on the climate factors, the thermal performance of a DGF may not be satisfactory and extra energy costs are required to obtain suitable comfort condit...
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| Format: | Article |
| Language: | English |
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MDPI AG
2013-09-01
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| Series: | Energies |
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| Online Access: | http://www.mdpi.com/1996-1073/6/10/5069 |
| _version_ | 1828120409910804480 |
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| author | Pere Alavedra Carme Valero Eduard Egusquiza David Valentín Alfredo Guardo |
| author_facet | Pere Alavedra Carme Valero Eduard Egusquiza David Valentín Alfredo Guardo |
| author_sort | Pere Alavedra |
| collection | DOAJ |
| description | Free convection is the most often used method in order to reduce solar load gains on a building with double glazed façades (DGFs). However, depending on the climate factors, the thermal performance of a DGF may not be satisfactory and extra energy costs are required to obtain suitable comfort conditions inside the building. Forced ventilation systems are a feasible alternative to improve the thermal performance of a DGF in Mediterranean climates where large solar gains are a permanent condition throughout the year. In this paper the feasibility of using diverse forced ventilation methods in DGF is evaluated. In addition, an economical comparison between different mechanical ventilation systems was performed in order to demonstrate the viability of DGF forced ventilation. Moreover, an environmental study was carried out to prove the positive energetic balance on cooling loads between free and forced convection in DGF for Mediterranean climates. For this investigation, a CFD model was used to simulate the thermal conditions in a DGF for the different ventilation systems. Results obtained for heat flux, temperature and reductions in solar load gains were analyzed and applied for the economic and environmental research. |
| first_indexed | 2024-04-11T14:05:38Z |
| format | Article |
| id | doaj.art-2f1c5fb24c9c415ea63c07147b9395de |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-11T14:05:38Z |
| publishDate | 2013-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-2f1c5fb24c9c415ea63c07147b9395de2022-12-22T04:19:54ZengMDPI AGEnergies1996-10732013-09-016105069508710.3390/en6105069Assessment of the Economic and Environmental Impact of Double Glazed Façade Ventilation Systems in Mediterranean ClimatesPere AlavedraCarme ValeroEduard EgusquizaDavid ValentínAlfredo GuardoFree convection is the most often used method in order to reduce solar load gains on a building with double glazed façades (DGFs). However, depending on the climate factors, the thermal performance of a DGF may not be satisfactory and extra energy costs are required to obtain suitable comfort conditions inside the building. Forced ventilation systems are a feasible alternative to improve the thermal performance of a DGF in Mediterranean climates where large solar gains are a permanent condition throughout the year. In this paper the feasibility of using diverse forced ventilation methods in DGF is evaluated. In addition, an economical comparison between different mechanical ventilation systems was performed in order to demonstrate the viability of DGF forced ventilation. Moreover, an environmental study was carried out to prove the positive energetic balance on cooling loads between free and forced convection in DGF for Mediterranean climates. For this investigation, a CFD model was used to simulate the thermal conditions in a DGF for the different ventilation systems. Results obtained for heat flux, temperature and reductions in solar load gains were analyzed and applied for the economic and environmental research.http://www.mdpi.com/1996-1073/6/10/5069double glazed façades (DGF)Coandă nozzleforced convectionbuilding thermal performancecooling load savingsenvironmental impact |
| spellingShingle | Pere Alavedra Carme Valero Eduard Egusquiza David Valentín Alfredo Guardo Assessment of the Economic and Environmental Impact of Double Glazed Façade Ventilation Systems in Mediterranean Climates Energies double glazed façades (DGF) Coandă nozzle forced convection building thermal performance cooling load savings environmental impact |
| title | Assessment of the Economic and Environmental Impact of Double Glazed Façade Ventilation Systems in Mediterranean Climates |
| title_full | Assessment of the Economic and Environmental Impact of Double Glazed Façade Ventilation Systems in Mediterranean Climates |
| title_fullStr | Assessment of the Economic and Environmental Impact of Double Glazed Façade Ventilation Systems in Mediterranean Climates |
| title_full_unstemmed | Assessment of the Economic and Environmental Impact of Double Glazed Façade Ventilation Systems in Mediterranean Climates |
| title_short | Assessment of the Economic and Environmental Impact of Double Glazed Façade Ventilation Systems in Mediterranean Climates |
| title_sort | assessment of the economic and environmental impact of double glazed facade ventilation systems in mediterranean climates |
| topic | double glazed façades (DGF) Coandă nozzle forced convection building thermal performance cooling load savings environmental impact |
| url | http://www.mdpi.com/1996-1073/6/10/5069 |
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