14 research outputs found
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Analysis of thermal-probe measurements using an iterative method to give sample conductivity and diffusivity data
The application of Microsoft Excel Solver routines to analyze data from a thermal probe placed in a number of samples is described. The successful application of the Solver routine to the thermal probe temperature time data requires the selection of an appropriate time interval. The various critical times are discussed and a method is proposed for selecting the appropriate Solver routine and the time interval over which the experimental data must be analyzed. Values of the sample thermal conductivity, the thermal diffusivity and the probe to sample conductance are reported for a stainless steel probe in unused mineral oil, and paraffin wax and for a copper probe in Magna904 and PTFE. The results for a commercial probe in agar agree with accepted data for water and the results for a clay-straw mixture demonstrates the method applied to a good insulator
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The use of thermal simulation to aid a multidisciplinary approach to problem solving for the low energy design of buildings
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Earth buildings and the new millennium: CIOB millennium environmental compendium of research
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The reasoning behind the investigation into the thermal properties of cob walling
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The effects of natural ventilation on radon concentrations within an existing dwelling
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The composition, thermal conductivity and specific heat of cob earth walling
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