搜索结果: 1-9 共查到“交通运输工程 energy”相关记录9条 . 查询时间(0.189 秒)
Making cars of the future stronger,using less energy
Making cars the future stronger less energy
<
2015/11/12
Engineers at The Ohio State University have developed a new welding technique that consumes 80 percent less energy than a common welding technique, yet creates bonds that are 50 percent stronger.The n...
Estimating Energy Savings from Bus Improvement Options in Urban Corridors
Energy Savings Bus Improvement Options Urban Corridors
<
2009/10/16
The potential to achieve significant energy savings in the road transport sector can be
a powerful driver to promote bus transport, especially bus rapid transit (BRT) development.
This research intr...
Typically when transport systems are considered from an energy or environmental perspective it is primarily the energy use associated with the propulsion of vehicles that is addressed. There are howev...
Plug-in混合动力汽车能量管理策略优化设计（Optimization of Plug-in Hybrid Electric Vehicle Energy Management Control Strategy）
Plug-in混合动力汽车 能量管理策略 优化
<
2009/9/25
应用PSAT前向仿真软件及矩阵分割全局优化算法，对并联式Plug-in混合动力汽车（PHEV）在不同电能消耗续驶里程（CDR）下的能量管理策略进行了优化设计研究。结果表明：PHEV电能消耗续驶里程越大，优化控制参数对整车经济性影响越小；小CDR优化控制参数的整车平均经济性能好于大CDR优化控制参数；利用优化设计得到的PHEV能量管理策略可以使整车平均等价油耗降至2.70 L/(100km)，相对于...
混联型混合动力汽车能量管理策略优化（Optimization of Energy Management Strategy for a Parallel-series HEV）
混合动力汽车 能量管理策略 优化
<
2009/5/22
对一种混联型混合动力系统运行工况进行了分析。基于发动机、电机和蓄电池的效率图，建立了混联型混合动力汽车充电工况和放电工况的系统效率模型。放电工况以系统放电效率最大为优化目标，充电工况根据蓄电池荷电状态不同，分别以系统充电效率最大、系统充电效率与充电功率乘积最大为优化目标，对混合动力系统能量管理策略进行了优化研究，获得了 汽车在不同运行条件下的发动机、电动机和发电机的最优控制转矩及转速。燃油经济性仿...
The linkage between climate change and energy consumption of hungary in the road transportation sector
climate change average atmospherical concentration transportation emission diesel oil petrol
<
2010/11/1
The aim of this article is to prove the connection between CO2 emission and climate change, and to estimate the CO2 emission of the transport sector in Hungary. We have to clarify the emission of the ...
Energy Commission Awards $3 Million to UC Davisfor Plug-In Hybrid Electric Vehicle Research
Hybrid Electric Vehicle Transportation
<
2006/12/22
December 14, 2006，Demonstrating its commitment to explore new technologies, California Energy Commission yesterday approved $3 million to University of California, Davis for a plug-in hybrid electric ...
The crash energy absorption of the vehicles front structures
vehicles impact longerons crashworthiness energy absorption axial compression buckling
<
2010/11/2
During the frontal crash the longerons absorb most energy of all vehicles construction elements. In order to analyse the energy absorbing capabilities of longerons under axial compression loading and ...
Economy of fuel-energy resources on rail-freight traffic improving the exploitations characteristics of fuel consumption of diesels
fuel economy locomotive diesel fuel
<
2010/11/3
The improvement of the exploitation features of diesel power units of locomotives is one of the most important aspects solving the problems of saving fuel energy resources (PER) in the rail-freight tr...