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Elovitz, K M (1999) Practical guide: Understanding what humidity does and why. ASHRAE Journal, 41 (4). pp. 84-90.

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One of a series of seven articles forming a practical guide to HVAC for museums and historical renovation. Examines the difference between relative humidity, specific humidity, and vapour pressure. Goes on to explore how those measures influence phenomena loosely attributed to 'humidity'. Considers how moisture affects materials and processes. Deals with condensation, moisture in the building structure, and mould and fungus growth. Explains the use of desiccants to control humidity. Discusses the phenomena of static electricity and rust. Notes dimensional changes in materials caused by moisture. Concludes that allowing materials to absorb and desorb moisture slowly in response to seasonal climate changes may be a successful way of maintaining long term stability in the materials and buildings that house them.

Item Type: Article
Uncontrolled Keywords: Museum; Historic building; HVAC; Moisture
Subjects: English > Damage functions
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Depositing User: Anna Samuelsson
Date Deposited: 21 Apr 2008 12:54
Last Modified: 13 Mar 2017 13:54

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