Conservation Physics - Index

 

by Tim Padfield

Recent items

Our environmental standards need reform. This wiki is for discussing the disadvantages of blindly advocating "Best available technology" for climate control in archives and museums. March 2008
Simple climate control in archives. (2.7Mb) February 2008
Museum Microclimates. The conference contributions, November 2007
Why keep climate records - and how to keep them May 2007 (pdf 1Mb)
The potential and limits for passive air conditioning of museums, stores and archives April 2007 (4.5Mb)
How to design climatically stable museums February 2007
The interaction of water vapour with paper in small spaces November 2006
Low energy air conditioning of an archive (pdf) September 2005,
   also in a single column version easier to read in the browser
An irreverent view of the development of preventive conservation and air conditioning in museums
   (pdf, 9Mb) April 2005
A critique of the IPI Climate Notebook October 2004

Introduction

Introduction

Basic concepts in climate

Calculator for atmospheric moisture

Light and photochemistry

The effect of light on museum objects
The Candela - unit of luminous intensity
The light-fastness of the natural dyes
Using a camera as a lux meter
The lux is a poor predictor of photochemical damage
The Deterioration of Cellulose in light and UV

Properties of Materials

The absorption of water by materials
Humidity exchange with absorbent materials
The reaction of wood to changing climate
The Preservation Index and the Time Weighted Preservation Index
Bending the evidence
What happens to water absorbent materials below zero degrees?
Stress, strain and craquelure
The art robbery at Skamkloster
A climate chamber that measures the moisture buffer capacity of materials

Air conditioning and building physics

The Mollier diagram and the Psychrometric Chart
Mechanical air conditioning
The breath of Arrhenius: air conditioning in photographic archives
Condensation in the walls of humidified buildings
Humidity buffering by museum walls
Humidity buffering by absorbent materials in walls
Humidity buffering by clay walls
Casting mud in the debate on museum environmental standards
Designing museums with a naturally stable climate
The role of absorbent materials in moderating changes of relative humidity
The influence of building techniques on the indoor climate
The climate of Gundsoemagle Church
Climate control in the archive of the Arnemagnaean Institute
Low energy climate control
for museum stores
How to design climatically stable museums
Designing a Museum Store

Microclimate

Buffering relative humidity within a temperature gradient
Evidence from thin air
The second Seismograph of Chang Heng
A Himalayan Legend
The Hunt Ball
How to protect glazed pictures from climatic insult
A humidification chamber for relaxing works of art
Trouble in Store - indoor air pollution
Air exchange between an enclosure and its surroundings
Control of RH and air pollution in showcases
The physics of drying cloth
The spontaneous transfer to glass of an image of Joan of Arc
The interaction of water vapour with paper in small spaces

Sensors and measurement

Measuring stress and strain
Saturated salt solutions for controlling relative humidity
Data loggers for climate measurement
UV detector for museum use
The thermocouple

Appendices

Writing for the web without being an IT expert
Publications by Tim Padfield

Copyright conditions for all articles

CC licence

All pages under the cfys directory are free to use under a Creative Commons licence.
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under the following conditions:
Attribution. You must attribute the work to Tim Padfield, naming also the co-authors for the multi-author articles.
No derivative works. You may not alter, transform, or build upon this work.

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