This demonstration hosted by the Vale of White Horse District Council at Drayton, Oxfordshire, examined the type of building and occupancy pattern most likely to benefit from the installation of the current range of gas-fired condensing boilers. Specifically, the aims of the project were to examine the variations in space heating and domestic hot water load and the effect of building fabric insulation on these loads.
Results from testing of a simple model in a wind tunnel are used to validate two computational fluid dynamics mathematical models. The results show that only the Reynolds-stress model provides a reasonably accurate representation of the inlemal flow, and that both models fail to predict the flow at the opening of the model
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