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A new methodology to characterize indoor variations of temperature and relative humidity in historical museum buildings for conservation purposes

机译：一种新方法，以表征历史博物馆建筑物温度和相对湿度的室内变化，以保护遗留目的

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This paper presents the study of the indoor climate of the Scuola Grande di San Rocco in Venice: it is a 16th-century emblematic example of a historical building. The renowned Tintoretto large paintings magnificently decorate the Scuola. The monitoring and control of microclimatic parameters such as Temperature (T) and Relative Humidity (RH) are pivotal to establish proper conservation policies in museums' environments. Fragile artworks had been preserved for centuries in "natural climate" conditions, in the framework of historical buildings. In such ambiances, T and RH followed outdoor variations yet mitigated by the hygrothermal inertia of the building. Available indoor climate monitoring protocols consider T and/or RH values, but they do not allow a straightforward comparison of relative fluctuation of T and RH values through time. This paper presents a flexible methodology to visualize T and RH variations. The protocol considers the calculation of time-related index to understand the magnitude of daily (DF) or weekly fluctuations (WF), and the speed of the weekly fluctuations (SWF). The presented method introduces the calculation of climatic excursions index (ICE). The ICE is innovative because it allows us to compare the microclimate of different buildings, and it will enable us to quantify the time in which T and/or RH fluctuate outside reference ranges, even in the case that detailed information on materials and construction methods is lacking. Indoor microclimate variations have been compared with the outdoor ones: this helps to define the hygrothermal inertia of the building.
机译：本文介绍了威尼斯斯科拉格兰德迪圣罗科的室内气候：这是一个16世纪的历史建筑的象征。着名的Tintoretto大型绘画贴心地装饰了SCOOLA。微跨度参数如温度（T）和相对湿度（RH）的监测和控制是关键的，以在博物馆环境中建立适当的保护政策。在历史建筑的框架中，脆弱的艺术品已经保存了几个世纪以来“自然环境”条件。在这种矛盾中，T和RH遵循了建筑物的湿热惯性减轻了户外变化。可用的室内气候监测协议考虑T和/或RH值，但它们不允许通过时间的相对波动的直接比较。本文提出了一种灵活的方法，可视化T和RH变型。该协议考虑计算时间相关指数以了解每日（DF）或每周波动（WF）的幅度，以及每周波动（SWF）的速度。呈现的方法介绍了气候散热指数（冰）的计算。冰是创新的，因为它允许我们比较不同建筑物的小气候，并且它将使我们能够量化T和/或RH的局面的出色范围的时间，即使是关于材料和施工方法的详细信息不足。与户外的室内小气候变化进行了比较：这有助于定义建筑物的湿热惯性。

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