Moisture Diffusivity of Cellulose Insulation

Marchand, Roger G; Kumaran, M.K.

doi:10.1177/109719639401700406

Cited by 8 publications

(9 citation statements)

References 3 publications

(2 reference statements)

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“…flux [(kg/m 2 s)], r the dry density of the ma terial [(kg/m3)], and u the moisture content [(kg/kg)]. This parameter was determined by Marchand and Kumaran[25]. Sam ples of blown CFI were subjected to moisture intake and then continuously scanned via gamma ray attenuation.…”

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confidence: 99%

A review on the properties of cellulose fibre insulation

Hurtado

Rouilly

Vandenbossche

et al. 2016

Building and Environment

141

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The building sector is constantly innovating in its use of materials with regards to sustainability. There is a need to use cost effective, environmentally friendly materials and technologies which lessen the impact of a construction in terms of its use of non renewable resources and energy consumption. Cellulose fibre insulation is an eco friendly thermal insulation material made from recycled paper fibres. It offers good thermal properties and has a low embodied energy. However due to lack of expertise in its application and properties, cellulose insulation is not widely used in comparison to more traditional insulation materials. The present paper reviews the available research on cellulose fibre insulation, its manufacture, installation, and performance. The paper focuses the physical properties of cellulose insulation, the environmental factors that affect these properties, and possible means of future innovation.

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confidence: 99%

A review on the properties of cellulose fibre insulation

Hurtado

Rouilly

Vandenbossche

et al. 2016

Building and Environment

141

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“…There is no standard test procedure for the determination of moisture diffusivity. There are many publications in the literature that describe the technical and experimental details [20][21][22].…”

Section: Moisture Diffusivitymentioning

confidence: 99%

Heat, Air and Moisture Transport Properties of Three North American Stuccos

Mitchell¹,

Kumaran

Lackey

et al. 2006

J. Test. Eval.

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“…Water vapour permeance was measured using an extension of ASTM Standard E96 (ASTM Book of Standards 2001;Lackey et al, 1995;Kumaran, 2000). Water absorption coefficient was determined as described in CEN Draft Standard 89 N 370 E. Gamma-ray method for measuring transient moisture distribution (Kumaran & Bomberg, 1985) and Boltzmann transformation method (Bruce & Klute, 1956) were used to derive moisture diffusivity (Kumaran et al, 1989;Marchand & Kumaran, 1994). Air permeance was measured using a method developed at the Institute for Research in Construction (Bomberg & Kumaran, 1986).…”

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confidence: 99%

Variations in the hygrothermal properties of several wood-based building products

Tariku¹,

Kumaran²,

Lackey³

et al. 2020

Research in Building Physics

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With the advent of high power personal computers, hygrothermal computer models have become powerful tools for building physicists and building practitioners alike. Researchers active in the field of hygrothermal analyses have developed many such models in recent years (Hens, 1996; Trechsel, 2001). All these models require a set of very reliable inputs to yield meaningful results. Among these inputs include the properties of the building materials. The most commonly used properties today are those from an International Energy Agency Annex (Kumaran, 1996). As building materials evolve there is a need for continuous updating of the information on their hygrothermal properties. At the Institute for Research in Construction two recently concluded projects have generated detailed information on the hygrothermal properties of more than 70 building products that are currently used in Canada and the United States of America (Kumaran et al. 2002a, Kumaran et al. 2002b). One of these projects (Kumaran et al. 2002a) was specifically looking at the ranges of the properties shown by contemporary products in North America. The products chosen included wood and wood based materials, bricks, mortar, stucco and building membranes. This paper reports only the information on wood-based products such as oriented strand board (OSB), plywood, wood fibreboard and wood siding. The properties that have been measured in both projects include: thermal conductivity equilibrium moisture content water vapour permeance water absorption coefficient moisture diffusivity and air permeance

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Moisture Diffusivity of Cellulose Insulation

Cited by 8 publications

References 3 publications

A review on the properties of cellulose fibre insulation

A review on the properties of cellulose fibre insulation

Heat, Air and Moisture Transport Properties of Three North American Stuccos

Variations in the hygrothermal properties of several wood-based building products

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