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Applications and benefits of catalytic converter thermal management
| 题名： | Applications and benefits of catalytic converter thermal management |
| 作者： | Biel, J.P.;Benson, D.K.;Potter, T.F.;Colucci, C.P.;Keyser, M.A.;Burch, S.D.; |
| 关键词： | 33 ADVANCED PROPULSION SYSTEMS ;02 PETROLEUM ;10 SYNTHETIC FUELS; CATALYTIC CONVERTERS; TEMPERATURE CONTROL; NITROGEN OXIDES; AIR POLLUTION ABATEMENT; CARBON MONOXIDE; HYDROCARBONS; THERMAL INSULATION; HEAT STORAGE; PERFORMANCE; GASOHOL; GASOLINE; COMPARATIVE EVALUATIONS; ENERGY MANAGEMENT SYSTEMS; THERMAL ENERGY STORAGE EQUIPMENT; FEDERAL TEST PROCEDURE |
| 摘要： | A catalytic converter thermal management system (TMS) using variable-conductance vacuum insulation and phase-change thermal storage can maintain the converter temperature above its operating temperature for many hours, allowing most trips to begin with minimal ``cold-start`` emissions. The latest converter TMS prototype was tested on a Ford Taurus (3.0 liter flex-fuel engine) at Southwest Research Institute. Following a 24-hour soak, the FTP-75 emissions were 0.031, 0.13, and 0.066 g/mile for NMHC, CO, and NOx, respectively. Tests were also run using 85%ethanol (E85), resulting in values of 0.005, 0.124, and 0.044 g/mile, and 0.005 g/mile NMOG. Compared to the baseline FTP levels, these values represent reductions of 84%to 96%for NMHC, NMOG, and CO. |
| 报告类型： | 科技报告 |
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