著者

野崎 淳夫 吉澤 晋 小峯 裕己

出版者

一般社団法人日本建築学会

雑誌

日本建築学会計画系論文報告集 (ISSN:09108017)

巻号頁・発行日

no.411, pp.9-16, 1990-05-30

被引用文献数

4

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It is important ot clarify the air pollutant emission rates from the appliances in residences in order to protect indoor air from polluting. Traditionally, the unvented portable kerosene heaters have been one of the most popular heaters in Japan. These unvented kerosene fired space heaters, as well known, produce accumulation of contaminants indoors, of which concentration depends on the room's ventilation characteristics as well as the appliance'. Especially the emission rates from the devices have the characteristics that change in the residence with low ventilation rate where slight decrease of oxygen concentration is caused by usage of combustion appliances in a room itself. We conducted laboratory tests on their air pollutant's emission rates under lower or higher ventilation rates to determine the relationships between indoor concentration of oxygen and the emission rates of nitrogen oxides, carbon monoxide from two popular types of heaters in Japan. One type is of radiant kerosene space heater, the other is of kerosene fueled "fan heater" which are widely utilized in throughout Japan. We found that, with O_2 depression, CO generation rate gradually increased and NO_x generation gradually decreased.