A parametric method to assess the energy performance of historical urban settlements. Evaluation of the current energy performance and simulation of retrofit strategies for an Italian case study

Belpoliti, Vittorino; Bizzarri, Giacomo; Boarin, Paola; Calzolari, Marta; Davoli, Pietromaria

doi:10.1016/j.culher.2017.08.009

Cited by 22 publications

(13 citation statements)

References 20 publications

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“…In the absorption test of the ordinary brick and mortar specimen, values of 200 l/m 3 of difference were obtained between the dried specimen, after being taken out of the oven, and the saturated specimen. Once the sample was taken out of the oven for 2 weeks in the laboratory environment, similar to the interior of the house where the test was conducted, the test tube had absorbed 4 l/m 3 .…”

Section: Materials Characterizationmentioning

confidence: 99%

“…Among the different typologies of cultural heritage, this research focuses on buildings with pressed brick facades, where ornamentation is based on the combination of multiple geometric designs in panels, openings, imposts, and cornices, as differentiating elements. However, this is not only in cultural heritage buildings, but also in those where an intervention to thermally insulate the exterior is not possible, in order to improve the thermal efficiency of the envelope [2,3] When calculations and estimates of energy demand are made due to losses through this type of facade, it is usual to work with the theoretical values contained in the regulations or auxiliary documents, without making specific checks that corroborate its application. Brick is a porous material that can absorb a significant amount of water: from rain, from the ground or from air humidity, and this humidity can cause thermal characteristics to vary considerably, showing a large difference in the dry state to the wet [4][5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

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Moisture Influence on the Thermal Operation of the Late 19th Century Brick Facade, in a Historic Building in the City of Zamora

et al. 2020

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To improve the energy performance of restored cultural heritage buildings, it is necessary to know the real values of thermal conductivity of its envelope, mainly of the facades, and to study an intervention strategy that does not interfere with the preservation of their cultural and architectural values. The brick walls with which a large number of these buildings were constructed, usually absorb water, leading to their deterioration, whereas the heat transmission through them is much higher (than when they are dry). This aspect is often not taken into account when making interventions to improve the energy efficiency of these buildings, which makes them ineffective. This article presents the results of an investigation that analyzes thermal behavior buildings of the early 20th century in the city of Zamora, Spain. It has been concluded that avoiding moisture in brick walls not only prevents its deterioration but represents a significant energy saving, especially in buildings that have porous brick masonry walls and with significant thicknesses.

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Section: Materials Characterizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Moisture Influence on the Thermal Operation of the Late 19th Century Brick Facade, in a Historic Building in the City of Zamora

et al. 2020

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“…The provision of energy saving solutions and strategies for heritage buildings, for better environmental protection, has begun to receive wider attention, particularly since the 2010s [37][38][39][40][41][42]. Reducing energy consumption is an especially important challenge in the Gulf's climatic conditions.…”

Section: Investigating Environmental Sustainability Dimensions In Recmentioning

confidence: 99%

Heritage Reconstruction Planning, Sustainability Dimensions, and the Case of the Khaz’al Diwan in Kuwait

Sabri

Altan

AlGhareeb³

et al. 2020

Sustainability

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Although attempts for formulating sustainable approaches in heritage management have been ongoing since the 1980s, sustainability dimensions in the context of ‘reconstruction’ have remained an unexplored research area. By investigating the case of the ruined Khaz’al Diwan in Kuwait, an architectural heritage site in the United Nations Educational, Scientific and Cultural Organization (UNESCO) World Heritage (WH) Tentative List, we explore and compare the roles of the ‘cultural continuity’ and ‘environmental protection’ pillars of sustainability in reconstruction planning. By employing rapid ethnographic surveying and case study methods, we first investigate the approach to ‘cultural continuity’ from the State’s stance and through local community perceptions. Albeit with nuances, the surveying revealed a preference for historicist reconstruction. However, the Khaz’al Diwan, like most of the heritage structures in the Gulf region, was originally constructed with coral stone, which is now protected under environmental laws. How feasible is the use of replacement materials in terms of sustainability perspectives that is also acceptable from heritage perspectives? Considering the high cooling loads required in this climatic region, we prioritized the energy performance of the construction materials of the external walls and the roof. Computer simulations based on scenarios testing same-type and replacement construction materials revealed how the latter could be considered as an alternative in a historicist reconstruction. The discussion revolves around the environmental and cultural parameters that are instrumental in reconstruction planning. This ultimately highlights how reconstruction policies must be shaped to redefine the role and scope of material authenticity to accommodate the local environmental and cultural realities in the wider Gulf region and Middle Eastern context.

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“…Many authors have been demonstrating the limitations of traditional BES tools and procedures for the estimation of energy performance of historical buildings [21][22][23][24][25]. This topic reaches a significant dimension in historic buildings refurbishment, once the real wall composition of such buildings is frequently unknown [26] and, for practical matters, in many occasions, several projects and estimations are based on general assumptions [27].…”

Section: Introductionmentioning

confidence: 99%

Design and Construction of a New Metering Hot Box for the In Situ Hygrothermal Measurement in Dynamic Conditions of Historic Masonries

et al. 2020

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The main purpose of the HeLLo project is to contribute to data available on the literature on the real hygrothermal behavior of historic walls and the suitability of insulation technologies. Furthermore, it also aims at minimizing the energy simulation errors at the design phase and at improving their conservation features. In this framework, one of the preliminary activities of the study is the creation of a real in situ hot box to measure and analyze different insulation technologies applied to a real historic wall, to quantify the hygrothermal performance of a masonry building. Inside this box, ‘traditional’ experiments can be carried out: recording heat flux, surface temperature, and air temperatures, as well as relative humidity values through the use of a new sensing system (composed of thermocouples and temperature/relative humidity combined sensors). Within this paper, the process of development, construction, and validation of this new metering box is exhibited. The new hot box, specifically studied for historic case studies, when compared to other boxes, presents other advantages compared to previous examples, widely exemplified.

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A parametric method to assess the energy performance of historical urban settlements. Evaluation of the current energy performance and simulation of retrofit strategies for an Italian case study

Cited by 22 publications

References 20 publications

Moisture Influence on the Thermal Operation of the Late 19th Century Brick Facade, in a Historic Building in the City of Zamora

Moisture Influence on the Thermal Operation of the Late 19th Century Brick Facade, in a Historic Building in the City of Zamora

Heritage Reconstruction Planning, Sustainability Dimensions, and the Case of the Khaz’al Diwan in Kuwait

Design and Construction of a New Metering Hot Box for the In Situ Hygrothermal Measurement in Dynamic Conditions of Historic Masonries

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