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Challenges and Potential Solutions for Reducing Climate Control Loads in Conventional and Hybrid Vehicles
| 题名： | Challenges and Potential Solutions for Reducing Climate Control Loads in Conventional and Hybrid Vehicles |
| 作者： | Cuddy, M.R., Keyser, M.A., Rugh, J.P.;Farrington, R.B., Anderson, R., Blake, D.M., Burch, S.D.; |
| 关键词： | 14 SOLAR ENERGY; 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION ; AIR CLEANING; AIR CONDITIONING; CARBON MONOXIDE; CLIMATES; FUEL CONSUMPTION; GLAZING MATERIALS; NATIONAL RENEWABLE ENERGY LABORATORY; ORGANIC COMPOUNDS |
| 摘要： | The National Renewable Energy Laboratory, a U.S. Department of Energy national laboratory, is collaborating with U.S. automotive manufacturers to develop innovative techniques to reduce national fuel consumption and vehicle tailpipe emissions by reducing vehicle climate control loads. A new U.S. emissions test, the Supplemental Federal Test Procedure (SFTP), will soon begin measuring tailpipe emissions with the air conditioning system operating. Modeled results show that emissions of oxides of nitrogen (NOx) and carbon monoxide (CO) more than double during the air conditioning part of the SFTP. Reducing the transmittance of the glazing can have a greater impact on the cabin soak temperature than ventilating the vehicle during a hot soak. Reducing the amount of outside air can decrease cooling and heating loads but requires that the recirculated air be cleaned. We discuss a photocatalytic oxidation air-cleaning process for removing volatile organic compounds and bioareosols. We conclude with an example of modeling the thermal comfort of the occupants. An auxiliary load increase of only 400 Watts (W) results in a 0.4 km/L (1 mpg) decrease for a conventional 11.9-L/100-km (28-mpg) vehicle. If every vehicle in the United States were to save only 0.4 km/L (1 mpg),$4 billion (U.S. dollars) would be saved annually in gasoline and oil costs. Further information can be found at http://www.ctts.nrel.gov/auxload.html. |
| 报告类型： | 科技报告 |
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