AUTHORS: García-Esparza J. A., Alcañiz E.
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ABSTRACT: Present research seeks to analyse the extent to which CO2 emissions can be diminished by means of different measures of energy efficiency simulated in a consolidated urban area on the Mediterranean coast. The study focuses its scope in analysing the incidence of summer climatic conditions over a Nineteenth Century urban fabric. Assessment is through the establishment of three scales of intervention: the neighbourhood, the plot and the building. These scales are assessed by three different scenarios, the original and two retrofit proposals. The study demonstrates that a potential reduction of CO2 emissions takes place if a retrofit programme is jointly undertaken at the three different scales. It also reveals how specific actions can reduce indirect emissions depending on the location, orientation and wind regimes, and how diverse typologies of buildings behave differently according to their location in the neighbourhood, in the plot and according their envelope.
KEYWORDS: Urban resilience, Urban regeneration, Simulation, Roofs, Ventilation
REFERENCES:
[1] Gangolells, M., Casals, M., Resilience to increasing temperatures: residential building stock adaptation through codes and standards, Building Research & Information, Vol.40, No.6, 2012, pp. 645-664.
[2] Spain, Royal Decree 2429/1979, 6 July, Approving the Basic Building Norm on Thermal Conditions in Buildings, 1979, (available at: http://www.boe.es/aeboe/consultas/bases_ datos/doc.php?id=BOE-A-1979-24866) (accessed on 11 March 2013).
[3] Spain, Royal Decree 314/2006, 17 March, Approving the Technical Building Code, 2006, (available at: http://www.boe.es/boe/dias/2006/03/28/pdfs/A1181 6-11831.pdf) (accessed on 11 March 2013).
[4] Valencia Institute of Building, Use of Building Typologies for Energy Performance Assessment of National Building Stock, 2011, (available at: http://www.building-typology.eu/ downloads/public/docs/scientific /ES_TABULA_Report_IVE. pdf) (accessed on 8 October 2012).
[5] European Union, Directive 2002/91/EC of the European Parliament and the Council of 16 December 2002 on Energy Performance of Buildings, 2002, (available at: http://eurlex.europa.eu/LexUriServ /LexUriServ.do?uri=OJ:L:2003:001:0065:0065:EN :PDF) (accessed on 11 March 2013).
[6] Cole, R. J., Regenerative design and development: current theory and practice, Building Research & Information, Vol.40, No.1, 2012, pp. 1– 6.
[7] Dixon, T., Eames, M., Scaling up: the challenges of urban retrofit, Building Research & Information, Vol.4, No.5, 2013, pp. 499-503.
[8] Novotny, V., Water–energy nexus: retrofitting urban areas to achieve zero pollution, Building Research & Information, Vol.41, No.5, 2013, pp. 589-604.
[9] Karvonen, A., Towards systemic domestic retrofit: a social practices approach, Building Research & Information, Vol.41, No.5, 2013, pp. 563-574.
[10] Seyfang, G., Haxeltine, A., Growing grassroots innovations: exploring the role of community-based initiatives in governing sustainable energy transitions, Environment and Planning C: Government and Policy, Vol.30, 2012, pp. 381–400.
[11] Vergragt, P. J., Brown, H. S., The challenge of energy retrofitting the residential housing stock: grassroots innovations and socio-technical system change, Technology Analysis and Strategic Management, Vol.24, No.4, 2012, pp. 407–420.
[12] Eames, M., Dixon, T., May, T., Hunt, M., City futures: exploring urban retrofit and sustainable transitions, Building Research & Information, Vol.41, No.5, 2013, pp. 504-516.
[13] Newton, P. W., Regenerating cities: technological and design innovation for Australian suburbs, Building Research & Information, Vol.41, No.5, 2013, pp. 575-588.
[14] Nikolopoulou, M., Lykoudis, S., Use of outdoor spaces and microclimate in a Mediterranean urban area, Building and Environment, Vol.42, 2007, pp. 3691–3707.
[15] Blondeau, P., Spérandio, M., Allard, F., Night ventilation for building cooling in summer, Solar Energy, Vol.61, No.5, 1997, pp. 327–335.
[16] Geros, V., Santamouris, M., Tsangrasoulis, A., Guarracino, G., Experimental evaluation of night ventilation phenomena, Energy and Buildings, Vol.29, 1999, pp. 141–154.
[17] Aste, N., Angelotti, A., Buzzetti, M., The influence of the external walls thermal inertia on the energy performance of well insulated buildings, Energy and buildings, Vol.41, 2009, pp. 1181–1187.
[18] Gagliano, A., Patania, F., Nocera, F., Signorello, C., Assessment of the dynamic thermal performance of massive buildings, Energy and Buildings, Vol.72, 2014, pp. 361–370.
[19] Garcia-Esparza, J.A. Patent ES2881.6 – Roof module ventilation, Universitat Jaume I. November 18, 2013.
[20] Susanti, L., Homma, H., Matsumoto, H., Suzuki, Y., Shimizu, M., A laboratory experiment on natural ventilation through a roof cavity for reduction of solar heat gain, Energy and Buildings, Vol.40, 2008, pp. 2196–2206.
[21] Chami, N., Zoughaib, A., Modeling natural convection in a pitched thermosyphon system in building roofs and experimental validation using particle image velocimetry, Energy and buildings, Vol.42, 2010, pp. 1267–1274.
[22] Biwole, P.H., Woloszyn, M., Pompeo, C., Heat transfers in a double-skin roof ventilated by natural convection in summer time, Energy and Buildings, Vol.40, 2008, pp. 1487–1497.
[23] Ababsa, D., Bougoul, S., Numerical Study of Natural Ventilation through a Roof Cavity for Reduction of Solar Heat gain, Energy Procedia, Vol.18, 2012, pp. 974 – 982.
