搜索结果: 1-15 共查到“交通运输工程 parameters”相关记录21条 . 查询时间(0.387 秒)
Analysis of the ecological parameters of the diesel engine powered with biodiesel fuel containing methyl esters from Camelina sativa oil
biodiesel fuel Camelina sativa oil diesel engine ecological parameters
2010/10/29
The article explores the possibilities of using fatty acid methyl esters derived from the oil of a new species of oily plant Camelina sativa not demanding on soil. The performed research on the physic...
Impacts of Various Parameters on Transit Signal Priority Effectiveness
Various Parameters Transit Signal Priority Effectiveness
2009/10/19
This research examines the impacts of a number of traffic parameters on the effectiveness
of a Transit Signal Priority (TSP) application. TSP is tested with the 98 B-line
rapid buses along Granville...
Parameters Affecting the Determination of the Tunnel Threshold-Zone Luminance
Threshold-zone luminance Visual ability Duration time Perception probability Safe stopping
2009/10/14
In order to determine the level of the tunnel threshold-zone luminance, as series of visual experiments were conducted using a tunnel entrance simulator. For the experiments 110 observers were used. T...
Parameters which Affect the Stiffness of Bitumen and Bituminous Hot Mixes
Bitumen Bituminous Mixes Stifiness Parameters
2009/10/13
This paper deals with bitumen and bituminous mixes, using suitable mathematical models that take into account the parameters a ecting their elastic and plastic sti nesses. These parameters are stress ...
汽车悬架参数的多目标多标准决策优化（Multi-objective and Multi-criteria Decision Optimization of Automobile Suspension Parameters）
汽车 悬架系统 多目标优化
2009/5/22
为了改善汽车行驶的舒适性、安全性并减小轮胎动载对路面的破坏，以某载货汽车的四自由度悬架系统为研究对象，将车速分别为50、80和100km/h在A、B和C级路面行驶的车身垂直加速度、前后轮胎动载荷的统计均方根值作为目标，用多目标遗传算法和多标准决策方法进行了优化。结果表明：车身垂直加速度均方根值平均减小了40%，前后轮动载荷均方根值平均减小了30%，性能有较大改善，并且采用后期多标准决策方法，可以同...
The impact of road parameters and the surrounding area on traffic accidents
road traffic accident car road parameters analysis evaluation regression equations annual average daily traffic (AADT)
2010/11/1
The article analyses the data on road traffic accidents in Lithuanian main and interurban road networks in the years 2002–2006. The road network is divided into 341 road sections. The surrounding area...
Analysis of main dynamic parameters of split power transmission
tractor split power transmission gear-ratio planetary gear hydrostatic gear sum shaft
2010/11/1
The review carried out had shown one basic approach of split power transmission to the organization of drive which is applied to stepless transmissions of tractors and parallel hybrid cars. In the spl...
Evaluation of veracity of car braking parameters used for the analysis of road accidents
analysis of road accidents accuracy of calculations car braking distance errors braking parameters random variables
2010/11/1
During the road accident analysis speed of the examined vehicle often is being established in accordance with the length of the trace remained by the vehicle tires. Usually in such case there are valu...
Determination of traffic flow parameters in different traffic flow interaction cases
traffic flow kinetic theory modelling characteristic method
2010/11/1
Modelling of straight road section consisting of one traffic line gives the opportunity to simulate “follow the car” system. In general it looks like a line of vehicles, going one after another. Kinet...
The influence of turpentine additive on the ecological parameters of Diesel engines
alternative fuel renewable fuel turpentine diesel engine internal combustion engines exhaust emission
2010/11/1
After Lithuania’s accession to the EU it is very important to use a larger amount of renewable fuel. Based on economic and environmental considerations in Lithuania, we are interested in studying the ...
Equivalent mechanical parameters of oscillating rotary motors used in transport equipment
transport equipment oscillating rotary motors mechanical system equivalent parameters
2010/11/1
In various appliances and equipment of sundry transport means there is a lot of diverse mechanisms of periodical movement. So, the various piston or membrane pumps of fuel feeding and lubrication syst...
Research into operational parameters of diesel engines running on RME biodiesel
biodiesel diesel fuel economy thrust characteristics harmful emission
2010/11/1
The results of motor experimental researches on operational parameters of diesel engines F2L511 and A41 are presented in the publication. Change of harmful emission of exhaust gases was determined and...
Determination of extreme train running parameters along a railway line segment
train running optimization train-car parameters energy consumption
2010/11/2
It is possible to select train-car draft mass and traction vehicle parameters for technical speed along segment in such a way that unitary total energy consumption related to train-car mass would be...
Determination of car run up – braking and manoeuvring parameters in an emergency situation in the case of limited road segment
run up braking manoeuvre time distance road accident
2010/11/2
As the traffic intensity on roads increases, the number of road accidents also increases and the situations become more and more complicated. The presented method of reconstruction of preaccidental si...
Parameters of fuel jet extraction in video
recording and image processing CCD picture system fuel jet
2010/11/2
The statistical rating of the image of a fuel jet allows to allocate the zones with homogeneous brightness, to define the distribution of masses and the concentration in a fuel jet and to look after t...