Past reconstruction and future forecast of domains of indoor relative humidity fluctuations calculated according to EN 15757:2010

Bertolin, Chiara; Camuffo, Dario; Bighignoli, Isabella

doi:10.1016/j.enbuild.2015.05.028

Cited by 25 publications

(23 citation statements)

References 6 publications

(5 reference statements)

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“…This result shows on heating demand in Jesuit church, but heating of indoor climate is coupled with possible hygrothermal stress in historical furniture and valuable artefacts, see [23][24][25] The repetitive switch on/off of heating system causes cyclic drop of indoor air relative humidity as well as accelerate dust particles and deposit them on painting canvas etc., see [26][27][28][29][30].…”

Section: Target Range Methodsmentioning

confidence: 99%

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Indoor Climate in Jesuit Church of Holy Name of Jesus in Telc

Hnilica¹,

Bichlmair

Plášek

2019

E3S Web Conf.

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The Jesuit church of Holy Name of Jesus from year 1667 is integral part of main square of Telc with Baroque houses from 17th century listed in UNESCO World Heritage Site since 1992. The natural indoor climate of Jesuit church is heated only in occupied pews during liturgical ceremony in winter season. The hygrothermal analysis of natural indoor climate in Jesuit church is performed by preventive conservation method of Target range and Historical climate in period from April 2017 to October 2018. The obtained result shows appropriate indoor climate for preventive conservation of historical furniture (main altar, lateral chapels, pulpit, confessional, organ, paintings), holy remains and valuable artefacts for liturgical ceremony. This hygrothermal analysis of natural indoor climate in Jesuit church supports current state of local heating in occupied pews during liturgical ceremony in winter season.

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Section: Target Range Methodsmentioning

confidence: 99%

“…This conservation approach known as Historical climate method is based on long-term hygrothermal moving average and short-term fluctuation of indoor climate in past-present-future, see [9]. This conservation method of Historical climate is useful in historical building with natural indoor climate, see [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Indoor Climate in Jesuit Church of Holy Name of Jesus in Telc

Hnilica¹,

Bichlmair

Plášek

2019

E3S Web Conf.

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“…As a consequence of the climate change scenario, the southern European regions will probably increase their need for summer cooling (while decreasing winter heating) in order to keep the environmental conditions suitable for artwork conservation [26]. To evaluate the effects of the climate change scenario in the residential building near Valencia and on the effectiveness of the microclimate frame, we followed the approach applied in [23,24] to forecast the expected indoor T and RH levels.…”

Section: The Hygrothermal Conditions Expected Indoors In the Period 2mentioning

confidence: 99%

“…To extend the microclimate assessment over the effects of the expected climate change, simplified heat and moisture transfer equations through the building envelope can be derived from monitored outdoor and indoor data and employed to simulate the future conditions indoors [23,24]. This methodology was developed within the European project Climate for Culture (2009)(2010)(2011)(2012)(2013)(2014) [25,26], which focused its attention to the future conservation risks with the aim to suggest possible mitigation actions and inform stakeholders and policy makers.…”

Section: Introductionmentioning

confidence: 99%

Investigation on the Use of Passive Microclimate Frames in View of the Climate Change Scenario

Verticchio

Frasca

García-Diego

et al. 2019

Climate

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Passive microclimate frames are exhibition enclosures able to modify their internal climate in order to comply with paintings’ conservation needs. Due to a growing concern about the effects of climate change, future policies in conservation must move towards affordable and sustainable preservation strategies. This study investigated the hygrothermal conditions monitored within a microclimate frame hosting a portrait on cardboard with the aim of discussing its use in view of the climate expected indoors in the period 2041–2070. Its effectiveness in terms of the ASHRAE classification and of the Lifetime Multiplier for chemical deterioration of paper was assessed comparing temperature and relative humidity values simultaneously measured inside the microclimate frame and in its surrounding environment, first in the Pio V Museum and later in a residential building, both located in the area of Valencia (Spain). Moreover, heat and moisture transfer functions were used to derive projections over the future indoor hygrothermal conditions in response to the ENSEMBLES-A1B outdoor scenario. The adoption of microclimate frames proved to be an effective preventive conservation action in current and future conditions but it may not be sufficient to fully avoid the chemical degradation risk without an additional control over temperature.

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“…Sampling intervals should be one hour or less, in order to respond to the time scale and the dynamics of the phenomena under investigation. Recent studies have applied the above regulation to reconstruct past indoor climates and to assess the impact of the expected future climate change [19,20]. In the ASHRAE (American Society of Heating, Air-Conditioning and Refrigerating Engineers) guidelines [21], five classes of quality control are defined on the basis of seasonal and daily T and RH fluctuations.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the Minimum Sampling Frequency to Avoid Measurement Redundancy in Microclimate Field Surveys in Museum Buildings

García-Diego

Verticchio

Beltrán

et al. 2016

Sensors

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Monitoring temperature and relative humidity of the environment to which artefacts are exposed is fundamental in preventive conservation studies. The common approach in setting measuring instruments is the choice of a high sampling rate to detect short fluctuations and increase the accuracy of statistical analysis. However, in recent cultural heritage standards the evaluation of variability is based on moving average and short fluctuations and therefore massive acquisition of data in slowly-changing indoor environments could end up being redundant. In this research, the sampling frequency to set a datalogger in a museum room and inside a microclimate frame is investigated by comparing the outcomes obtained from datasheets associated with different sampling conditions. Thermo-hygrometric data collected in the Sorolla room of the Pio V Museum of Valencia (Spain) were used and the widely consulted recommendations issued in UNI 10829:1999 and EN 15757:2010 standards and in the American Society of Heating, Air-Conditioning and Refrigerating Engineers (ASHRAE) guidelines were applied. Hourly sampling proved effective in obtaining highly reliable results. Furthermore, it was found that in some instances daily means of data sampled every hour can lead to the same conclusions as those of high frequency. This allows us to improve data logging design and manageability of the resulting datasheets.

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Past reconstruction and future forecast of domains of indoor relative humidity fluctuations calculated according to EN 15757:2010

Cited by 25 publications

References 6 publications

Indoor Climate in Jesuit Church of Holy Name of Jesus in Telc

Indoor Climate in Jesuit Church of Holy Name of Jesus in Telc

Investigation on the Use of Passive Microclimate Frames in View of the Climate Change Scenario

Assessment of the Minimum Sampling Frequency to Avoid Measurement Redundancy in Microclimate Field Surveys in Museum Buildings

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