Reports investigation of air change rates in two residences using helium as a tracer gas.
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Reports investigation of air change rates in two residences using helium as a tracer gas.
Compares methods of calculating ventilation rates in mechanically ventilated animal houses.
Describes instrumentation used to measure air flow and pressure. Presents laws for turbulent and laminar flow in a wind tunnel.
Describes experimental techniques used to produce turbulent boundary layers in a wind tunnel. Gives model law for velocity profile in a turbulent flow over a rough surface.
Describes a method for measuring the radon concentration of three litre samples of atmospheric air without pretreatment. Apparatus used consists of a 12 in.
Reports measurements of infiltration rates in two research houses in Minnesota under different wind, temperature and inside operating conditions using helium as a tracer gas.
Reviews some previous work on the measurement of wind pressures at full-scale. Deals with some of the problems arising.