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In order to provide patients with a high quality indoor environment and ensure a pleasant working place for medical care personnel, thermal environment and indoor air quality are regarded as two of the most important requirements.
The authors aimed at the air-conditioning system with ceiling induction diffusers, a kind of unit that prevents draft sensation and reduces energy consumption. In this study, we measured the distribution of concentration of tracer gas from person simulators, temperature distribution, local mean age of air, indoor air velocity and radiation heat transfer in a full scale four-bed sickroom with ceiling induction diffusers under cooling condition.
According to the result, it is found that parameters including the height and position of exhaust vent, pollutant resource position and curtain affect indoor air airflow.
Furthermore, portable infrared absorption CO2 analyzer, as a carbon dioxide concentration tester was used in this study. It is considered that the responsiveness of CO2 recorder is strongly related to the experiment results. Thus, how much the responsiveness of CO2 concentration tester influenced the results was also discussed in this paper.