M. Nicholls
National Research Council
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Publication
Featured researches published by M. Nicholls.
Journal of Building Physics | 2015
Hamed H. Saber; W. Maref; Ganapathy Gnanamurugan; M. Nicholls
Field monitorings of thermal performance of residential 2 x 6 wood-frame wall systems that had been retrofitted using vacuum insulation panels (VIPs) and extruded polystyrene foam (XPS) panels were undertaken in May 2011 – May 2012 at the Field Exposure of Walls Facility (FEWF) of NRC-Construction. The main objective of this research was to measure the steady-state and transient thermal performance of three wall assemblies (4 ft x 6 ft), two of which incorporated VIPs within an XPS Tongue and Groove (T&G) configuration and VIPs within an XPS Clip-On (C-O) configuration, and a third assembly incorporating only XPS. The three wall assemblies were installed in the FEWF for 1-year cycle of exposure to outdoor natural weather conditions. The hygIRC-C model was used in this study. The results of the model calculations were in good agreement with the experimental data. Given that the VIPs could be punctured during the installation process or could fail during normal operating conditions, additional model calculations were used to predict the thermal resistance in cases where one or more VIPs failed. The model was also used to predict the yearly cumulative heat losses across these wall systems. It is important to point out that the aging effect and the effect of the thermal bridging due to envelope (i.e. skin) of the VIPs are not accounted for in this study. However, sensitivity analysis of the thickness and thermal conductivity of the VIP envelope was conducted to investigate the effect of these parameters on the effective thermal resistance of VIP.
Archive | 2002
Pascal Beaulieu; Mark Bomberg; S. M. Cornick; W. A. Dalgliesh; G. Desmarais; Reda Djebbar; M.K. Kumaran; M. A. Lacasse; John Lackey; W. Maref; Phalguni Mukhopadhyaya; M. Nofal; Nicole Normandin; M. Nicholls; T. O'Connor; J. D. Quirt; M. Z. Rousseau; M. N. Said; M. C. Swinton; F. Tariku; D. van Reenen
Archive | 2002
W. Maref; D. G. Booth; M. A. Lacasse; M. Nicholls
Archive | 2012
W. Maref; M. M. Armstrong; Hamed H. Saber; M. Z. Rousseau; M. Nicholls; M. C. Swinton
Archive | 2009
M. M. Armstrong; W. Maref; M. Z. Rousseau; W. Lei; M. Nicholls
Archive | 2002
Pascal Beaulieu; Mark Bomberg; S. M. Cornick; W. A. Dalgliesh; G. Desmarais; Reda Djebbar; M.K. Kumaran; M. A. Lacasse; John Lackey; W. Maref; Phalguni Mukhopadhyaya; M. Nofal; Nicole Normandin; M. Nicholls; T. O'Connor; J. D. Quirt; M. Z. Rousseau; M. N. Said; M. C. Swinton; F. Tariku; D. van Reenen
Archive | 2011
W. Maref; M. M. Armstrong; M. Z. Rousseau; C. Thivierge; M. Nicholls; W. Lei
Archive | 2010
W. Maref; M. M. Armstrong; M. Z. Rousseau; M. Nicholls; W. Lei
Archive | 2010
M. M. Armstrong; W. Maref; M. Z. Rousseau; W. Lei; M. Nicholls
Archive | 2002
W. Maref; M. A. Lacasse; D. G. Booth; M. Nicholls; T. O'Connor