期刊名称:Archiwum Fotogrametrii, Kartografii i Teledetekcji
印刷版ISSN:2083-2214
出版年度:2008
卷号:18
语种:English
出版社:Main Board of Association of Polish Surveyors
摘要:Historical objects are stored and exhibited in specially designed museum buildings. Those buildings are designed and built to provide a climate most appropriate for those objects. Sometimes historical objects are exhibited in historical buildings. As those not always are airconditioned,they can hardly ensure optimal temperature and humidity for the objects. In addition, temperature and humidity are highly dependent on multiple external factors. In museum halls,the natural light is usually limited because of its unfavourable effects on the objects shown and artificial light is used instead. Daily and seasonal changes of temperature,the changing sunlight intensity,and the varying number of visitors make it hard to maintain constant conditions even in air-conditioned halls. Therefore,additional passive operations have to be performed and may include shading of the windows as well as installing additional barriers and constructions. They greatly reduce the load put on the air conditioning system. When measuring temperature of the exhibited objects,it is important that the measurement not be limited to the temperature of the object only. Instead,all the factors that contribute to temperature of a given object should be analysed. These factors include: the temperature of the surrounding air,the temperature of room walls,illumination,construction of the exhibition cabinets,and various heat sources close to the exhibited objects. Thermography can be used for the analysis of exhibition halls. A single major advantage of the technique is that it provides a visual image of temperature distribution on surfaces of objects observed. The paper presents results of a thermographic analysis of exhibition rooms and exhibited historical objects. Several factors were analysed in greater detail: - uniformity of temperature distribution in the exhibition halls in relation to the time of the day and the season of the year; - various methods for shading of the windows and their effect on temperature of the windows (and hence amount of heat transferred); - relationship between illumination of the objects exhibited and their temperature; - detection and documentation of heat sources near the objects exhibited. Experiments and analyses may prove helpful in the selection of optimal methods for stabilizing the microclimate in museum and historical exhibitions.
其他摘要:Zabytkowe przedmioty wymagają utrzymania okreĞlonej,moĪliwie staáej temperatury i wilgotnoĞci w miejscu ich przechowywania i eksponowania. W tym celu w budynkach muzealnych stosuje siĊ klimatyzacjĊ powietrzną lub róĪne dziaáania pasywne – zacienianie,masy