Selecting Eco-Friendly Thermal Systems for the "Vittoriale Degli Italiani" Historic Museum Building (original) (raw)
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Article Selecting Eco-Friendly Thermal Systems for the “Vittoriale
2015
Thermal systems installed in museums should guarantee the maintenance of the optimal hygrothermal parameters ranges for the conservation of their collection materials. Considering the preservation of historic buildings, according to their historical and landscaping constraints, not all the thermal system typologies could be installed in these buildings' typologies. Therefore, the main aim of this paper is to present some indications for the choice of the best thermal system solutions for a considered historic museum building, called Vittoriale degli Italiani, in the north of Italy, taking into account their installation feasibility and their related environmental impacts. The methodology includes a monitoring of the current hygrothermal parameters as well as the assessment of design heat and cooling loads related to the maintenance of the optimal hygrothermal parameters ranges for the conservation of collection materials. In addition, a Life Cycle Assessment (LCA) of each selected system typology is considered for highlighting the most eco-friendly solution among the suitable ones. The obtained results highlights the feasible thermal system solutions able to maintain the hygrothermal parameters between the optimal ranges with a lower environmental impact in the Vittoriale degli Italiani historic museum building.
Energy and Buildings, 2015
Temperierung refers basically to wall heating through pipes mounted in or on the inside of the walls. In the context of heritage preservation the Temperierung system was mainly developed by the State Office for Non-State Museums in Bavaria for heating and climatization of museums and exhibit buildings. Based on the ongoing research project "Temperierung as a Tool for Preventive Conservation-An Assessment" a close and interdisciplinary collaboration is established between building physicists, conservators and practitioners from 18 selected museums. The paper highlights the different existing Temperierung systems within the project, main components of the system and different types of application. The main principles of the technique are explained and compared to more commonly known heating systems like convector/radiator heating and wall/floor heating. Preliminary results of the measured indoor climate and effects of the Temperierung heating system of several chosen museums are presented. The impacts of the indoor climate to the conservation of artifacts, influenced by Temperierung heating, are discussed with typical methods of indoor climate assessment and with conservational assessment. The detailed and neutral description of Temperierung heating gives a basis for planners and persons in charge for retrofitting historical museum buildings.
Energy efficient and sustainable ancient museum buildings: a case study in Florence
International Journal of Sustainable Energy, 2007
The Historical Bardini Museum in Florence is a representative paradigm of the Italian Museum Building, and it is very suitable to serve as an exemplary pilot project for the restoration of historical museums. This article presents results of the architectural and energy retrofitting carried out applying appropriate and strategic low-energy and sustainable techniques and of the monitoring campaign (IAQ, thermal comfort, light, acoustic) performed first to evaluate the existing situation and then to verify comfort parameters and the energy consumption after works. The Bardini Museum participates, as Italian case study, to the European MUSEUMS project, financed by EU Commission in the Fifth Framework Programme. The result of this project is to provide also with a direct guidance, complete with architectural and engineering examples, for design professionals and museum authorities, setting a new standard for energy consumption in museum buildings. In parallel, it has aimed to disseminate effective information for designers and local authorities and to demonstrate the efficiency of the measures in order to promote them in efficient market promotion, penetration and utilization.
IOP Conference Series: Materials Science and Engineering, 2018
The University of Florence has equipped one of the most representative Florentine historical Museum, "La Specola", of a specific microclimatic monitoring system installed in some rooms. The paper presents the results of one-year record of temperature and relative humidity, regarding a room and its showcases. The elaboration and analysis of the microclimatic data have been carried out according to the Italian Standard UNI 10829 and the Performance Index of the most important thermo-hygrometric parameters has been calculated and assessed. Moreover, a dynamic thermal simulation to assess the effectiveness of some passive refurbishment strategies has been carried out in terms of annual and monthly Performance Index and dry bulb temperature variations. The results can be extended to several historical buildings, where poor envelope performances and large windows or skylights imply not acceptable indoor environmental conditions that can even cause damage to the artefacts.
Italy, like several Mediterranean countries, holds a very large number of cultural artifacts that are often exhibited and saved inside museums. Museums are usually part of historical buildings that, not rarely, originally had a different intended use and that have been currently transformed in place for conservation and for exhibition of works of art. The use of historical buildings as museums leads to limitations in the management and distribution of exhibition space, in design and managing HVAC systems and in the achievement of targets relating to the continuous monitoring of the microclimate for people comfort and for preservation of works of art. Moreover, the costs of the operation and maintenance of the HVAC system for this particular type of confined environment are often very expensive and the proper optimization of the required operations plays a main role. In this paper, authors propose a new decision support tool for curators regarding the operation and maintenance management of HVAC systems in museums especially in the case of their belonging to cultural heritage buildings.
In the past few years, an increasing attention has been paid to the indoor microclimate conditions of museums, with the purpose being the long-term preservation of both the artefacts and the environment where they are located. In fact, parameters such as the internal air temperature, the relative/ specific humidity, and the lighting conditions could significantly affect the indoor air quality by generating the deterioration of the artworks conserved inside the museum. In this paper, the continuous monitoring of an ancient exhibition site with high historic value situated in Perugia, Italy, is carried out, in order to evaluate the current indoor climate performance. The exposition site consists of a partially subterranean medieval fortress built in the XVI century composed of several exhibition rooms. The purpose of the present work is therefore to propose a multidisciplinary methodology for the enhancement of the preservation of both artworks and buildings where they are kept in the perspective of sustainability and energy efficiency. Results of the thermal-hygrometric continuous monitoring of the Rocca are presented.
International Journal of Energy Production and Management
The effective utilization of natural ventilation in heritage buildings could save a significant rate of electrical energy, as the airflow pattern affects interior comfort conditions; achieving users' thermal comfort counts as an added value. This study aims to promote an approach in the form of a design strategy for a developed optimal annual operating schedule for heritage buildings, targeting the best operating pattern/s for each month. The study was carried out for a typical heritage building in the central district of Alexandria city (a typical Mediterranean Basin city), Egypt, for improving energy efficiency while achieving users' thermal comfort. The paper adopted a simulation methodology for conducting energy and thermal comfort analyses using DesignBuilder simulation software. The approach was applied to a south-oriented room of the selected residential heritage building, which is the most affected orientation in the temperate-humid (slightly warmer) climate. The developed operating patterns included closed and opened windows, controlled natural ventilation, and HVAC system for cooling and heating with different temperature setpoints. The results showed that using the developed optimal annual operating schedule can save up to 47% of the total cooling and heating electrical energy annually, while achieving 365 thermally comfortable days a year, including 177 days when only natural ventilation operating patterns are used. The study revealed the importance of considering the optimal operating patterns schedule as an approach to improve the environmental performance of heritage buildings. Also, the optimal annual operating schedule resulted in an adjusted base-case that can be used for evaluating the retrofitting scenarios for south-oriented, energy-efficient heritage buildings in temperate-humid climate.
Proceedings of Building Simulation 2019: 16th Conference of IBPSA, 2020
The indoor climate conditions being suitable for the conservation of cultural heritage can be conflicting with energy saving and thermal comfort. Moreover, the moisture dynamics have not been studied enough in the simulation of the indoor environment, even though its interaction with artworks is crucial in deterioration phenomena. This research aims at defining a strategy, based on experimental data and dynamic simulation of hygrothermal behaviour, in order to design a HVAC system able to simultaneously satisfy conservation, thermal comfort and energy requirements. A weighted function for the multi-objective optimization has been proposed and effectively used to pinpoint the combination of temperature and relative humidity set-points.
Applied Sciences
The current energy crisis and the necessity to minimize energy waste suggest the need to assess non-air-conditioned buildings in terms of the need to install an air-conditioning system and to size and control it efficiently. This applies to historical museum buildings hosting artworks that require specific microclimate conditions for their preservation. With this view, this work analyzes the suitability of non-air-conditioned historical museum buildings to properly preserve exhibits. Therefore, two non-air-conditioned museums located in the historical city center of Florence, Italy, are considered as case studies, i.e., Vasari Corridor and La Specola. One year of indoor microclimate data monitored in representative rooms of the museums are analyzed according to the standard for artworks preservation and in terms of historical climate. Results of monitored indoor air temperature and relative humidity show that all monitored rooms are not suitable for the preservation of the exhibits ...
The necessity to control the indoor microclimate conditions inside the Camera Picta requested to perform detailed investigations by means of permanent measurements of the air temperature, air humidity, and surfaces temperatures and computer simulations. The measurements have been implemented by IR thermography investigations and by local air velocity measurements. The collected data allows to carefully characterize the microclimate of the Camera Picta and a fully knowledge of the temperature profiles of the internal walls. The remarkable possibilities of modern computer simulations codes coupled with the mathematical modelisation allow to obtain useful information for conservation scopes: the method applicability is proposed here for designing the HVAC (Heating Ventilation Air Conditioning) plant system in a case in which peculiar attention to intrusive apparatus shall be paid. It is important to point out that the mathematical simulation must be put right with measurements and a co...