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Buffermetry

Status and current activity

Abstract

Introduction

Fundamentals of moisture buffering

Properties of hygroscopic materials

Diffusion enhanced materials and structures

Experimental: Sorption experiments

Experimental: Diffusion experiments

Diffusion rate discussion

Incorporating the buffer in the construction

Whole room simulations and experiments

Experiment in the Passys environmental room

Whole building considerations

Conclusions

Acknowledgements

Appendices - instruments and procedures
Tinman instructions and results

Bibliography and references


Page for discussion


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Acknowledgements

This work was financed by a Danish Government scheme (UMTS project 9528) supporting the conservation of cultural relics. The construction of the climate chamber was financed by a Danish Energy Agency grant for developing alternative thermal insulation for buildings. We thank the technical staff of the Department of Civil Engineering of the Technical University of Denmark for help in building the apparatus, particularly Klaus Myndal and Keld Plougmann. We thank Associate Professors Kurt Kielsgaard Hansen and Carsten Rode for their support. We thank Carl-Otto Nielsen and Finn Christensen of Wienerberger brickworks in Helsinge, Denmark, for their generosity in providing materials and for their interest in our work.

This research is part of a continuing program of the Research, Analysis and Consulting group in the Conservation Department of the National Museum of Denmark.

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