Exact(5)
Air change effeteness was measured using CO2 tracer gas decay tests with various types of ceiling diffusers and internal loads.
In this study, ventilation rates are determined using tracer gas decay and pressure-based measurements for a full-scale (6 m tall) cube.
Sulfur hexafluoride (SF6) was used to generate a tracer gas decay curve.
Residential air exchange rates (AERs) were determined using tracer gas decay.
Average air changes per hour computed from SF6 tracer gas decay To determine if the number of occupants was driving the levels of CO2 in the buildings, random headcounts were taken throughout the study to approximate the total population of the buildings.
Similar(55)
We present a study of natural ventilation design during the early (conceptual) stage of a building's design, based on a field study in a naturally ventilated office in California where we collected data on occupants' window use, local weather conditions, indoor environmental conditions, and air change rates based on tracer-gas decay.
The initial conditions (temperature, pressure, gas composition, decay heat, etc).
The body was grotesquely cloaked by white, writhing fly maggots; the belly was swollen with the gas of decay.
The behavior of the natural gas hydrate decay is markedly different from the artificial one under non-isothermal conditions.
Jones presented a technique based on gas pressure decay measurements during the transient state, where, with a single run, an algorithm can calculate the parameters with precision.
Ironically, the experiment which Mendeléeff describes in the most detail as an illustration of diffusion by the "lightest of all gases" seems to me most easily explicable in terms of the heavy gas (and decay product) radon diffusing from a tube of radium into an attached vessel containing zinc sulphide.
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