Francesco Mancini

• phD
• Sapienza University of Rome

Electrification of the built environment is foreseen as a main driver for energy transition for more effective, electric renewable capacity firming. Direct and on-time use of electricity is the best way to integrate them, but the current energy demand of residential building stock is often mainly fuel-based. Switching from fuel to electric-driven h...

The international agreements regarding the containment of global warming updated on the occasion of the COP 28 held recently in Dubai set the common objective: to tripe the world’s renewable energy capacity and doube the rates of energy efficiency improvement by 2030. These goals respond to alarming data that the scientific community attributes to...

The 2050 long-term strategy of the European Union contains an analysis of the actions that need to be taken for the transition to a zero GHG emission economy and to to build a better future for all by 2050. The outlined scenarios envisage ambitious objectives in terms of the energy efficient building improvements, the use of RES and the reduction o...

Global water consumption has increased sixfold in the past 100 years and is growing at about 1% per year due to population growth, economic development, and changing consumption patterns; therefore, climate change, combined with urbanization and population growth, is causing water availability problems in cities around the world. Rethinking circula...

The next decade will see severe environmental and technological risks, pushing our adaptive capacity to its limits. The EPBD Case Green directive, to counter this phenomenon, emphasizes accelerating building renovations, reducing GHG emissions and energy consumption, and promoting renewable energy installations. Additionally, it calls for deadlines...

Il contributo illustra l'esperienza del CIS Roma Scuole Verdi, in cui il Gruppo di Ricerca DiAP dell'Università 'Sapienza' di Roma ha supportato il Dipartimento CSIMU di Roma Capitale nell'avvio di un percorso di riqualificazione energetico-ambientale e decarbonizzazione di 111 edifici scolastici distribuiti nei 15 Municipi del Comune di Roma. Attr...

SDG 7 “affordable and clean energy” aims at expanding infrastructure and upgrading technology to provide clean and more efficient energy in all countries, encouraging socio-economic growth and helping the environment. Its implementation through legislative instruments led to the writing of the Sapienza Energy Plan and the Energy Implementation Prog...

The transition away from fossil fuels towards a carbon-neutral, clean and circular economy is one of the greatest challenges of our time. Energy communities are one of the tools to re-structure our energy systems by harnessing the energy and allowing citizens to participate actively in the energy transition and thereby enjoy greater benefits. The d...

The following three objectives have been identified as the research's pilot goals, starting with the definition of sustainable development provided by the 2030 Agenda and the most recent European implementation instruments, particularly the New Green Deal: Goal 13 "Climate Action" aims to increase the building stock's resilience and adaptability to...

Climate neutrality by 2050 is a priority objective and reducing greenhouse gas (GHG) emissions, increasing energy efficiency, and improving the circularity processes of resources are the imperatives of regulatory and economic instruments. Starting from the central themes of the mitigation of the causes of climate change and the interdependence repr...

Sustainable energy systems must be capable of ensuring sustainable development by providing affordable and reliable energy to consumers. Hence, knowledge and understanding of energy consumption in the residential sector are indispensable for energy preservation and energy efficiency which can only be possible with the help of consumer participation...

The European Commission strategic long-term vision for a prosperous, modern, competitive and climate-neutral economy by 2050 outlines main strategic blocks to maximise the benefits of energy efficiency, including zero emission buildings and to maximise the deployment of renewables and the use of electricity to fully decarbonise Europe’s energy supp...

Starting from the definition of sustainable development introduced by the 2030 Agenda, and the most recent European implementation tools such as above all the New Green Deal, three goals have been highlighted as pilot objectives of this research: Goal 13 “Climate Action” to strengthen the resilience and adaptability of our building stock to climate...

Reliability and accessibility of distribution systems are important goals that have significant impacts on the costs. The proper strategy of maintenance based on components arrangement and assets is the best way to reach these goals. This strategy is a kind of uses reliability-centered maintenance (RCM). Due to the limited maintenance budget, perfo...

p>The process of decarbonising stock will result in a considerable shift in consumption away from fossil fuels and toward electricity. The growing trend of building electrification necessitates a thorough examination from the standpoint of end-use efficiency and dynamic behaviour in order to fully understand the potential for grid flexibility. The...

https://ieeexplore-ieee-org.ezproxy.biblio.polito.it/document/9667932 This work presents a place-based methodology which, through a statistical analysis, defines bottom-up models for the evaluation of the spatial distribution of energy consumption of residential buildings at urban scale. The objective of this work was to identify the main variable...

This work aims to evaluate the Flexibility Potential that a residential household can effectively provide to the public grid for participating in a Demand Response activity. In detail, by using 14 dwellings electrical data collection, an algorithm to simulate the Load Shifting activity over the daytime is implemented. That algorithm is applied to d...

Building performance from an energy and an environmental point of view is fundamental due to the large amount of GHG emissions related to the building sector [...]

The European Union has set some ambitious targets to reach the goal of net-zero greenhouse gasses by 2050. The outlined scenarios provide the use of Renewable Energy Sources (RES) on a large-scale, but to do so, different kinds of actions must be taken, because the ample amount of non-programmable electricity sources may cause grid management probl...

According to the European Renovation Wave, the European building stock is obsolete and changes very slowly: more than 220 million housing units and 85-95% of the existing buildings will still be in use in 2050 and are absolutely not energy efficient. To cut emissions by 55% by 2030, the EU should reduce greenhouse gas emissions from buildings by 60...

In the national context, Italy with the Integrated National Plan for Energy and Climate (PNIEC) intends to achieve an indicative target of reducing consumption by 2030 equal to 43% of primary energy and 39.7% of final energy compared to the reference scenario of 2007 while with the National Recovery and Resilience Plan (PNRR), the ecological transi...

This work aims at exploring the potential contribution of the Italian residential sector in implementing load flexibility for Demand Response activities. In detail, by combining experimental and statistical approaches, a method to estimate the load profile of a dwelling cluster of 751 units has been presented. To do so, 14 dwelling archetypes have...

EU targets for sustainable development call for strong changes in the current energy systems as well as committed protection of environmental resources. This target conflicts if a policy is not going to promote the compatible solutions to both the issues. This is the case of the additional renewable energy sources to be exploited for increasing the...

Climate change affects the buildings’ performance, significantly influencing energy consumption, as well as the indoor thermal comfort. As a consequence, the growing outdoor environmental temperatures entail a slight reduction in heating consumption and an increase in cooling consumption, with different overall effects depending on the latitudes. T...

The energy refurbishment of the existing building heritage is one of the pillars of Italian energy policy. Aiming for energy efficiency and energy saving in end uses, there are wide and diversified improvement strategies, which include interventions on the building envelope and Heating, Ventilation, and Air Conditioning (HVAC) systems, with the int...

This study is focused on the definition of an energy aggregator model for domestic users, offering the Demand Response (DR) optimization and additional services. The research project is based on the Italian electricity system analysis pointing out the renewables high contribution, the poor domestic users’ electrification and the need to figure out...

This work shows the results of a research activity aimed at characterizing the energy habits of Italian residential users. In detail, by the energy simulation of a buildings sample, the opportunity to implement a demand/response program (DR) has been investigated. Italian residential utilities are poorly electrified and flexible loads are low. The...

This work shows the outcomes of a research activity aimed at the energy characterization of residential users. Specifically, by data analysis related to the real energy consumption of sample buildings, the flexible loads amount has been identified so as to investigate on the opportunity to implement a demand/response (DR) program. The most meaningf...

The ongoing energy transition processes need a rapprochement between the places of energy production and consumption with the aim of creating innovative and integrated territorial models. Consequentially, models and strategies for increasing the use of local and renewable energy sources (RES) play a key rule for enhancing energy independence and su...

Buildings with architectural constraints and recognized historical values entail careful design process, especially, when the aim is to improve the energy efficiency. Foreseeable interventions consist of preservation and improvement of building envelope energy performance as well as the adaptation of the built environment to modern use and its acce...

Modern architecture built in historical urban contexts represents a demanding issue when its energy efficiency should be improved. Indeed, the strongest efforts have to be made to maintain the architectural identity and its harmony with the surrounding cultural heritage. This study deals with the main building of the School of Architecture Valle Gi...

To cope with climate change energy sustainability is considered the key target EU Countries set to achieve by 2020. Existing energy users such as building stock require huge efforts to be aligned to this goal. This is the case of the University of Rome “La Sapienza” campus since it was built even before first regulations on energy saving, i.e. Ital...

Modern architecture built in historical urban contexts represents a demanding issue when its energy efficiency should be improved. Indeed, the strongest efforts have to be made to maintain the architectural identity and its harmony with the surrounding cultural heritage. This study deals with the main building of the School of Architecture Valle Gi...

Energy retrofitting of historical residential buildings represents today an interesting challenge of the building sector. This is true especially in Italy where great part of the national buildingstock dates back to pre-modern and modern times and, especially, to the decades between the 1960s and the 1980s. Most of these buildings, in fact, offerth...

Energy retro-commissioning of historical buildings is an important challenge that implies both historic-artistic and technological aspects concerning the improvement in energy efficiency and comfort. A critical analysis of each possibility is essential in order to preserve the balance between efficiency and architecture. The research focuses on a h...

Energy efficiency of cultural heritage is not only an engineer issue. Many professionals and Institutions have to be involved in the design process. Furthermore, the building survey plays a crucial role in providing opportunities to the designers to find the most compatible solution. This paper shows the "Galleria Borghese" case study, in Rome, whi...

ItalIa ha posto da tempo lo sviluppo delle fonti rinnovabili tra le priorità della sua politica energetica, insieme alla promozione dell'ef-ficienza energetica. Gli obiettivi di tale strategia sono la sicurezza dell'approvvigionamento ener-getico, la riduzione dei costi dell'energia per le imprese e per i cittadini, la promozione di filiere tecnolo...

The EC programs on the energy efficiency are bound and specific in the field of energy performance of buildings, it refers to the characteristics of the building and to the use of renewable sources. In this work, starting from a real case, and represented from the Italian Pavilion of EXPO 2015, it analysed the services of a nearly Zero Energy Build...

Harnessing biomass-derived energy can improve environmental and economic sustainability of a Combined Heat and Power production. The paper presents a new decision making policy and its application in meeting the energy up-grading needs of the Bari airport (300 kWe), based on an economic-environmental analysis related to the use of different bioener...

Upgrading historic 20th century buildings in accordance to principles of energy efficiency implies careful examination that goes beyond their historic and artistic value. It is important to critically analyse the scope of interventions by evaluating the energy efficiency of the building envelope where not only preservation and restoration are a con...

L’Italia ha posto lo sviluppo delle fonti rinnovabili tra le priorità della sua politica energetica, insieme alla promozione dell’efficienza energetica. Nella necessità di incrementare lo sfruttamento dei potenziali disponibili nel Paese, sono stati attivati numerosi meccanismi di sostegno, che assicurano la remunerazione degli investimenti in dive...

Il presente lavoro si incentra sugli strumenti di calcolo attualmente disponibili per la diagnosi energetica degli edifici. Ogni strumento ha differenti potenzialità, diversa accuratezza e necessita di un differente impegno temporale per ottenere i risultati voluti. Non esiste dunque lo strumento perfetto per ogni applicazione. Obiettivo del lavoro...

Il progetto del nuovo Padiglione Italia è risultato vincitore del concorso internazionale promosso da Expo 2015 spa nel mese di Aprile 2013, prevede la realizzazione del Palazzo Italia, edificio di circa 12.000 m2 destinato ad area espositiva, uffici istituzionali, auditorium e sale riunioni, e i quattro edifici del Cardo, per altri 8000 m2 di supe...

Il fulcro di qualsiasi programma efficace di riqualificazione energetica si basa sulla qualità della diagnosi energetico/economica preliminare. E' necessaria una valutazione il più possibile aderente alla realtà e che consideri, oltre agli aspetti tecnologici, anche quelli legati al ritorno economico degli investimenti. Ne consegue che le metodolog...

The authors of this study realized a critical review based on the state of the art in the field of bio-energy cogeneration sources, with specific regards to the biological residues treatment technologies. Considering the short distribution chain’s principle as an inspiring theory, reflections have been made on socio-economic maximization of the loc...

In Italia, l’energia consumata dal settore residenziale rappresenta all’incirca 1/5 dei consumi energetici totali. In larga parte tale energia è impiegata per il riscaldamento degli ambienti (70%), in misura minore per usi elettrici (15%), per la preparazione di acqua calda sanitaria (10%) e per la cucina (5%). Con l’intenzione di diminuire i consu...

I consumi energetici dell’edilizia residenziale rappresentano una componente significativa dei consumi energetici globali e pertanto risulta di grande interesse uno studio che ne individui l’entità e proponga delle soluzioni indirizzate ad un miglioramento dell’efficienza energetica globale. Lo studio svolto si riferisce ai fabbisogni energetici co...

L'oggetto del presente studio è un impianto di cogenerazione alimentato ad idrometano asservito alla gestione termica di una piscina costruita all'interno del centro sportivo universitario di Tor di Quinto. Il laboratorio di sperimentazione connesso alla realizzazione di tale impianto ha come obiettivi la promozione di sistemi innovativi per la ges...

Nel presente lavoro vengono presentate alcune simulazioni parametriche di natura tecnico-economica relative all'utilizzo di sistemi di microcogenerazione caratterizzati da diversi valori di limite termico, di efficienza elettrica e termica e di potenza elettrica. Sono stati prese come riferimento le tariffe medie in vigore nel 2010 in Italia per l'...

La Norma UNI TS 11300 è nata con l’obiettivo di definire una metodologia di calcolo univoca per la determinazione delle prestazioni energetiche del sistema edificio-impianto. Recentemente sono state emanate le parti 3 e 4 che si riferiscono, rispettivamente, alla climatizzazione estiva e all’impiego delle rinnovabili. L'articolo riporta un’analisi...

In attuazione della direttiva 2009/28/CE, sulla promozione dell'uso dell'energia da fonte rinnovabile, è stato emanato il Decreto Legislativo n.28 del 3/3/2011. Il decreto fornisce interessanti novità riguardanti i nuovi edifici o gli edifici sottoposti a ristrutturazioni rilevanti, con l'obiettivo di limitare i consumi di energia primaria dell'edi...

Il complesso edilizio della Galleria Nazionale di Arte Moderna rappresenta un centro di consumo importante sia dal punto di vista elettrico che termico. Ai grossi prelievi di energia elettrica e termica dalle reti pubbliche sono associati costi di gestione considerevoli. Scopo di questo studio è verificare la fattibilità tecnico-economica di alcune...

I risultati di un’analisi mostrano le enormi possibilità di riqualificazione energetica di Roma, conseguenza del fatto che gran parte degli edifici sono stati costruiti prima degli anni ’70. Determinare l’attuale fabbisogno energetico delle abitazioni romane, in relazione alla loro epoca e alle caratteristiche costruttive e impiantistiche, ha conse...

Valutazione energetica ed economica di interventi per la riduzione dei consumi della Facoltà di Architettura di Roma "Valle Giulia".

L'Università di Roma La Sapienza ha assunto un ruolo di eccellenzaanche internazionale nei network di ricerca e sperimentazione in ambito energetico, in termini di innovazione di tecnologie e di nuovi strumenti per l'orientamento della trasformazione dell'energia. Ne è diretta testimonianza l'articolato programma quadro energetico pluriennale rivol...

I proprietari o i gestori di un patrimonio edilizio pubblico o privato, nel ricercare la soluzione ottimale delle risorse per la manutenzione e gestione del proprio patrimonio immobiliare, si rivolgono molto spesso a soggetti esterni. Tale pratica è molto diffusa per la gestione e la manutenzione degli impianti tecnologici e tende, anche in ragione...

L’oggetto di studio è una porzione della Facoltà di Architettura “Valle Giulia”, storicamente definita e compiuta, realizzata nel 1958 su progetto di Del Debbio come ampliamento della sede originaria degli anni ’20-‘30. L’obiettivo della ricerca è l’individuazione di una serie gerarchica d’interventi tecnologici, impiantistici e gestionali, volti a...

La politica energetica dell’Unione europea si pone come obiettivi fondamentali lo sviluppo sostenibile, la competitività, la sicurezza dell’approvvigionamento. La certificazione energetica degli edifici è uno strumento fondamentale per raggiungere gli scopi prefissati, avendo studi recenti dimostrato che la UE potrebbe risparmiare il 20% del propri...

Vengono descritti gli aspetti energetici ed ambientali relativi alla realizzazione di un sistema per la produzione combinata di energia elettrica, calore e acqua refrigerata (tri-generazione) con un sistema basato su micro-turbina a gas, Il sistema sarà costituito da una microturbina alimentata a gas metano per la produzione di energia elettrica, d...

Every year millions of people visit works of art in museums around the world. Ironically, the museum visitors who most appreciate the cultural heritage found in museums and galleries are often the primary source of pollutants to the artwork on display. Air curtains are a promising method for protecting works of art in such situations. They have no...

The employment of air curtain to segregate pollutants diffusion near the sources for fire prevention is actually more and more diffused in industry buildings. Their success is due to the peculiarity to compart spaces without fixed barriers which should interfere with people and equipments. The application of air flows in museum deals with the probl...

La direttiva 2002/91/CE sull’efficienza energetica degli edifici impone di considerare anche l’aspetto della climatizzazione estiva. Ciò significa che tutti i nuovi edifici e quelli esistenti di una certa grandezza che subiscano importanti ristrutturazioni, dovranno avere un attestato di certificazione energetica calcolata secondo la normativa e co...

With the intention to place the University City of Rome in a vanguard position in the use of renewable and low-emission energy sources, it has been planned to subdivide the district in "islands", each characterized from different energy sources. One phase of this new energetic organization involves the installation of a trigeneration system based o...

L’uscita della nuova legge sulla tutela delle persone dal fumo passivo (DPCM 23 Dicembre 2003) ha imposto la realizzazione di impianti HVAC a servizio delle zone fumatori con peculiari caratteristiche tecniche quali la contemporanea estrazione ed immissione di portate d’aria proporzionali al numero di fumatori previsto, il divieto di ricircolo dell...

L’uscita della nuova legge sulla tutela delle persone dal fumo passivo (DPCM 23 Dicembre 2003) ha imposto la realizzazionedi impianti HVAC a servizio delle zone fumatori con peculiari caratteristiche tecniche quali la contemporanea estrazione edimmissione di portate d’aria proporzionali al numero di fumatori previsto, il divieto di ricircolo dell’a...

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