We report on four new full scale experiments that were designed to measure the influence of wind on the ventilation and/or heat loss rates through single large openings: a) test-house with horizontal slit opening, set-up to measure internal pressures and the effect of air-compressibility (CSTB, France), b) attic with window ajar, set-up to measure long term ventilation rates with varying wind and temperatures (BBRI, Belgium), c) fully open window, set-up to measure ventilation rate and cooling as a function of time (BRE, UK) d) fully open window, set-up tomeasure cooling as a function of ti
In this paper a proposal has been made for the radiator to be used for the measurements and numerical simulations of test case d: 'free convection with radiator'. The selection of the radiator is based on the identical testroom configuration as described in 'R.I. 1.3 : Test room, identical testrooms'. Thisconfiguration consists of a window with single glazing. However data for double glazing is also presented. A radiator of a well known manufacturer has been chosen, in order to make sure that the radiator is available in each participating country.
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