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首页> 外文期刊>International journal of sustainable transportation >Toward a solar city: Trade-offs between on-site solar energy potential and vehicle energy consumption in San Francisco, California
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Toward a solar city: Trade-offs between on-site solar energy potential and vehicle energy consumption in San Francisco, California

机译：迈向太阳能城市：加利福尼亚州旧金山的现场太阳能潜力与车辆能耗之间的权衡

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摘要

This study demonstrates the trade-offs between vehicle energy consumption and on-site solar energy potential in a city landscape. While higher urban density may curb many of the problems associated with sprawl mainly by reducing vehicle travels and associated energy use, it can also limit on-site rooftop solar energy utilization due to more shade on rooftops in dense urban settings and less available rooftop area per person. Using travel survey, Geographic Information System (GIS) and Light Detection and Ranging (LiDAR) data, we estimated vehicle energy use and rooftop solar potential in the City of San Francisco as a case study and calculated possible offsetting effects between vehicle energy consumption and rooftop solar potential. Given the prevalence of gasoline-based vehicles and today's solar photovoltaic (PV) panel efficiency, vehicle energy use per capita appears to exceed energy generated by rooftop solar PVs per capita across all density ranges, especially in lower density environments. At the point when electric cars and advanced, highly efficient solar PV panels penetrate the market, the results change based on the combination of different technological options. A significant reduction of energy consumption can be achieved through the immediate and rapid spread of energy efficient technologies in vehicles and solar PVs along with the long-term effect from gradual urban densification.
机译：这项研究证明了城市景观中车辆能耗与现场太阳能潜力之间的权衡。虽然较高的城市密度可以主要通过减少车辆行驶和相关的能源使用来抑制与蔓延有关的许多问题，但由于在密集的城市环境中屋顶上的阴影较多且每人可用的屋顶面积较少，因此它也可以限制现场屋顶太阳能的利用人。我们使用旅行调查，地理信息系统（GIS）和光探测与测距（LiDAR）数据，以案例研究的方式估算了旧金山市的车辆能源消耗和屋顶太阳能潜力，并计算了车辆能源消耗与屋顶之间的可能抵消效应太阳势。考虑到汽油车辆的普及和当今太阳能光伏（PV）面板的效率，在所有密度范围内，尤其是在低密度环境中，人均车辆能源使用量似乎超过了人均屋顶太阳能PV产生的能量。当电动汽车和先进的高效太阳能光伏面板进入市场时，结果会因不同技术选择的结合而发生变化。通过在车辆和太阳能光伏发电中快速有效地推广节能技术，以及逐步的城市致密化带来的长期影响，可以显着降低能耗。

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