An experimental method for building energy need evaluation at real operative conditions. A case study validation

Balocco, Carla; Pierucci, Giacomo; Lucia, Maurizio De

doi:10.1016/j.enbuild.2022.112114

Cited by 9 publications

(8 citation statements)

References 23 publications

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“…The monitoring system, designed for a decade-long integration into living spaces, employed common commercial transducers for air temperature (T in [ • C]) and relative humidity (RH in [%]) measurements on internal walls. Additionally, a dozen flux tiles developed at the University of Florence were installed on outer walls facing southwest [30]. These tiles directly measured transient heat flux (q m [W/m 2 ]), considering external parameter fluctuations and the thermophysical properties of building materials.…”

Section: Validation Of the Correlation Through An Experimental Monito...mentioning

confidence: 99%

“…The relative measurement error for this device is 3.5% and the thermal resistance R t is 0.001 (m 2 • C)/W, with an active area of 0.45 × 0.45 m 2 . The installation collected signals through shielded cables running within special ducts under the plaster, reaching the fifth floor, where a commercial analogue data logger is located [30].…”

Section: Validation Of the Correlation Through An Experimental Monito...mentioning

confidence: 99%

“…The measuring campaign carried out for this existing building in Florence lasted 3 years, and the post-processing approach of all the data has been described in [30]. Considering the building's thermophysics and the scale of investigation, the hourly variation of any parameter makes sufficient physical sense.…”

Section: Validation Of the Correlation Through An Experimental Monito...mentioning

confidence: 99%

“…These data were obtained by an intensive measurement campaign carried out on a pilot building in Florence. By means of this measurement campaign the thermal flux passing through a building's opaque walls at real transient conditions was continuously monitored and measurements acquired during several years (this research was published in [30]), as summarized in the following (Section 2.2).…”

Section: Introductionmentioning

confidence: 99%

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A Dimensionless Study Describing Heat Exchange through a Building’s Opaque Envelope

Balocco,

Pierucci,

Piselli

et al. 2024

Sustainability

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The urban environment represents one of the main contexts in which natural resources are exploited to support intensive human activities, especially from an energy perspective. In this context, there is still a lack of general methodologies/tools which can be used to understand the behavior of buildings and to prove their sustainability under real operating conditions, depending on their location, construction characteristics and materials, plants, external conditions, and conduction. In this research, the Buckingham theorem is applied to the thermophysics of buildings, describing the heat transfer of opaque surfaces in a transient regime. The abstraction of dimensionless numbers merges the main phenomena of interest, such as thermal conduction, convection, and radiation, enhanced by consideration of the surface sun–air temperature and the external air temperature. The parameters themselves were mutually matched through a proper equation, whose coefficients were determined by a regression analysis of the measurements from an intensive experimental campaign investigating a building in Florence for 3 years. The resulting correlation shows a good agreement with the available dataset and a determination coefficient of over 70%. Therefore, the proposed approach, owing to the generalization of the dimensionless numbers, suggests the possibility of sustainability estimates, from an energy point of view, of envelope/plant/user systems, including assessments at a higher scale than that of a single building.

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Section: Validation Of the Correlation Through An Experimental Monito...mentioning

confidence: 99%

Section: Validation Of the Correlation Through An Experimental Monito...mentioning

confidence: 99%

Section: Validation Of the Correlation Through An Experimental Monito...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A Dimensionless Study Describing Heat Exchange through a Building’s Opaque Envelope

Balocco,

Pierucci,

Piselli

et al. 2024

Sustainability

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show abstract

“…Findings of this kind reinforce the need to adopt construction approaches that balance the energy demand and production. In this way, buildings under transient conditions are also addressed in the literature, as seen in the research by Balocco, Pierucci and De Lucia [77], in which energy performance is evaluated using an experimental method that monitors real-time experimental data related to internal and external microclimates and the flow of heat through structures. Studies on this subject offer significant insights into understanding thermal exchanges and improving energy management strategies.…”

Section: Ieq and Sustainability Integrationmentioning

confidence: 99%

Indoor Environmental Quality (IEQ) and Sustainable Development Goals (SDGs): Technological Advances, Impacts and Challenges in the Management of Healthy and Sustainable Environments

Niza,

Bueno,

Broday

2023

Urban Science

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The growing concern for sustainability is evident, given the importance of guaranteeing resources for the next generations, especially in the face of increasing energy consumption in buildings. Regardless of the context, people seek comfort, which makes investigating Indoor Environmental Quality crucial. This covers aspects such as indoor air, temperature, noise and lighting, positively impacting quality of life, reducing stress, saving energy and promoting health, well-being and productivity. A literature review was conducted using the Scopus and PubMed databases to analyze technological advances and challenges in managing healthy and sustainable environments, focusing on the relationship between Indoor Environmental Quality and the Sustainable Development Goals. Initially, 855 articles were identified, of which 123 were selected based on established criteria. Three research questions (RQs) were formulated, leading to the following conclusions. (i) The assessment of sustainability in buildings is crucial, encompassing economic, social and environmental aspects. Furthermore, the COVID-19 pandemic has underscored the importance of adapting energy strategies, thereby contributing to the achievement of the Sustainable Development Goals through the utilization of advanced technologies that promote healthy and efficient environments. (ii) Evaluations have evolved, ranging from energy savings to human well-being and mental health, including disease prevention strategies. (iii) Challenges in managing the promotion of Indoor Environmental Quality include excessive resource consumption, emissions and economic–environmental balance.

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Digital twins in microclimate analysis: A mixed review using a science mapping approach

Chikukwa,

Fobiri,

Moyo

et al. 2025

Digital Twins for Smart Cities and Villages

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An experimental method for building energy need evaluation at real operative conditions. A case study validation

Cited by 9 publications

References 23 publications

A Dimensionless Study Describing Heat Exchange through a Building’s Opaque Envelope

A Dimensionless Study Describing Heat Exchange through a Building’s Opaque Envelope

Indoor Environmental Quality (IEQ) and Sustainable Development Goals (SDGs): Technological Advances, Impacts and Challenges in the Management of Healthy and Sustainable Environments

Digital twins in microclimate analysis: A mixed review using a science mapping approach

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