Williams, R G; Harris, R* (1996) Department of the Environment, partners in technology, technical infrastructure programme. Validation of thermal performance design tools for window frame construction: an independent verification by agreed measurement procedures. Report on phase 1 - comparison between the measured and simulated U-values of three window systems comprising a thermally broken aluminium frame, a PVC-U frame and a hardwood frame. NPL Report. QM 119

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Abstract

This report summarises the results of phase 1 of the above project. The U-values and surface temperatures of three window systems measured in the NPL wall guarded hot box using the procedures specified in CEN/TC 89 N 216E rev. are compared with those calculated and simulated by CWCT using the procedures specified in prEN 30077 parts 1 and 2 respectively. The agreement between the measured and simulated U-values are shown to be good and the agreement between the U-values calculated using the simplified procedures and those measured were adequate. A number of recommendations are made to improve both parts 1 and 2 of prEN 30077.

Item Type:	Report/Guide (NPL Report)
NPL Report No.:	QM 119
Subjects:	Engineering Measurements Engineering Measurements > Thermal
Last Modified:	02 Feb 2018 13:19
URI:	https://eprintspublications.npl.co.uk/id/eprint/428