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Title: Effects of Drying Conditions, Phase Transformations and Carbonation Reactions on Measurements

Abstract

The sorption isotherm is one of the basic material properties used in hygrothermal modeling of building envelope performance. Measurement of this property is deceptively simple. Specimens are first dried and then exposed to a series of higher relative humidities to develop a curve of moisture content versus relative humidity at constant temperature. This paper discusses some confounding effects that we have observed while performing measurements on a number of common building materials. Materials studied included gypsum products, wood and wood products, and cementitious materials.

Authors:
 [1];  [1];  [1];  [1]
  1. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Building Technologies Research and Integration Center
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
981413
DOE Contract Number:  
DE-AC05-00OR22725
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Testing and Evaluation; Journal Volume: 4; Journal Issue: 8
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; BUILDING MATERIALS; DIAGRAMS; DRYING; GYPSUM; HUMIDITY; ISOTHERMS; MATERIALS; MOISTURE; PERFORMANCE; PHASE TRANSFORMATIONS; SIMULATION; SORPTION; WALLS; WOOD

Citation Formats

Wilkes, Kenneth E, Atchley, Jerald Allen, Childs, Phillip W, and Desjarlais, Andre Omer. Effects of Drying Conditions, Phase Transformations and Carbonation Reactions on Measurements. United States: N. p., 2007. Web.
Wilkes, Kenneth E, Atchley, Jerald Allen, Childs, Phillip W, & Desjarlais, Andre Omer. Effects of Drying Conditions, Phase Transformations and Carbonation Reactions on Measurements. United States.
Wilkes, Kenneth E, Atchley, Jerald Allen, Childs, Phillip W, and Desjarlais, Andre Omer. Mon . "Effects of Drying Conditions, Phase Transformations and Carbonation Reactions on Measurements". United States. doi:.
@article{osti_981413,
title = {Effects of Drying Conditions, Phase Transformations and Carbonation Reactions on Measurements},
author = {Wilkes, Kenneth E and Atchley, Jerald Allen and Childs, Phillip W and Desjarlais, Andre Omer},
abstractNote = {The sorption isotherm is one of the basic material properties used in hygrothermal modeling of building envelope performance. Measurement of this property is deceptively simple. Specimens are first dried and then exposed to a series of higher relative humidities to develop a curve of moisture content versus relative humidity at constant temperature. This paper discusses some confounding effects that we have observed while performing measurements on a number of common building materials. Materials studied included gypsum products, wood and wood products, and cementitious materials.},
doi = {},
journal = {Journal of Testing and Evaluation},
number = 8,
volume = 4,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 2007},
month = {Mon Jan 01 00:00:00 EST 2007}
}