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Evaluation of Carbon Monoxide Concentration With and Without Catalytic Emission Controls from Gasoline Propulsion Engines
| 题名： | Evaluation of Carbon Monoxide Concentration With and Without Catalytic Emission Controls from Gasoline Propulsion Engines |
| 作者： | Garcia, A.; Marlow, D.; Earnest, G. S.; Hall, R. M. |
| 关键词： | Carbon monoxide poisoning##Exhaust emission control devices##Propulsion systems##Combustion gases##Air pollution control##Exposure##Performance evaluation##Combustion products##Exhaust emissions##Control systems##Boats##Recreational boating##Catalytic emission controls##Houseboats## |
| 摘要： | National Institute for Occupational Safety and Health (NIOSH) researchers evaluated carbon monoxide (CO) emissions and exposures on a ski boat in Punta Gorda, Florida. This evaluation was conducted under an interagency agreement between the U.S. Coast Guard's Office of Boating Safety and NIOSH to evaluate the CO concentrations before and after installing a production catalytic control device to reduce CO concentrations. This catalytic control device was manufactured by Indmar Marine Engines. Similar NIOSH surveys regarding houseboats and other types of recreational boats have been conducted and are described in separate reports. The evaluated boat was propelled by a gasoline-powered engine and could be configured with and without the catalytic converter depending on the evaluation. The boat was evaluated while stationary and at multiple speeds, ranging from 5 to 45 miles per hour (Open throttle). CO concentrations were measured by multiple real-time instruments, which were placed at different locations on the boats. A five gas emissions analyzer was also used to quantify CO emissions from cold crank start at the slip. The Indmar system significantly reduced CO exposures to boat occupants during the current evaluation. For most conditions, a reduction above 90% was observed when compared to a standard exhaust system. This catalytic technology can greatly reduce the CO poisoning hazard to occupants of boats that have gasoline-powered engines. This study specifically evaluated the performance of the Indmar technology designed to reduce CO emissions and protect boat occupants. |
| 总页数： | 33 |
| 报告类型： | 科技报告 |
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