نتایج جستجو برای: waterways
تعداد نتایج: 1487 فیلتر نتایج به سال:
Abstract Inland shipping has been struggling with a shortage of skippers for several years. This means, among other things, that smaller vessels disappear and the waterways are no longer used. In addition, it is also difficult inland to compete road transport. time, this will cause reverse modal shift: cargo be brought back from waterway road. However, already dealing lot congestion while poten...
The existence of aquatic weeds in waterways causes several major problems. Some of them are the obstruction of water flow and navigation, island formation, increase of water losses due to evapotranspiration, and difficulty of water arrival to canal ends. This paper aims to discuss the resulting velocity profile changes due to aquatic weeds. Also, it examines the effect of such weeds on the chan...
Received May 3, 2017 Revised Aug 5, 2017 Accepted Aug 25, 2017 The article considers the inland waterways (IW) within the international transport corridors as multiphase systems of mass service (SMS) and shows the distinction in calculation of the important indicator of system efficiency the average total waiting time of vessel service in the serving subsystems, the application of genetic algor...
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