نتایج جستجو برای: waterway transport
تعداد نتایج: 274526 فیلتر نتایج به سال:
For competitive reasons, inland ships as maritime are increasingly larger with powerful propulsive systems. The impact of this evolution on the environment is multiple. One major impacts erosion channel bed and sediment suspension. This phenomenon essentially caused by turbulent flow around ship generated its movement well system. Hence, for a better prediction understanding phenomenon, it indi...
Multimodal freight transport allows switching among different modes of to utilize facilities more efficiently. This paper proposes an approach on network modeling and robustness assessment for multimodal networks, where the nodes represent junctions, terminals crossings, links pathways. The model captures features interconnection interdependency. Freight can switch between modalities at interco...
Abstract PIANC provides guidance and technical advice for sustainable waterborne transport infrastructure. To address the challenge of making inland navigation infrastructure sustainable, a Task Group “Infrastructure decarbonisation Inland Water Transport” (TG234) was set up in January 2021. The objective TG to identify knowledge gaps major challenges that need be urgently addressed advise on f...
Abstract Looking into the future, (massive) hydraulic structures face a not inconsiderable number of challenges that need to be overcome.
The western pond turtle Emys (formerly Clemmys) marmorata is declining throughout its range, primarily due to loss of habitat via urbanization and conversion to agriculture. Urban waterways present several important challenges to freshwater turtle populations, but they also present an opportunity to maintain declining species in a ubiquitous habitat that has high public visibility. The arboretu...
Abstract To raise the income of container liner company and improve shipping space utilization rate, an integer programming model is constructed in view seaworthiness characteristics each ship route along Hanshen line Yangtze river, OD transport demand, rental business under alliance. Aiming to maximize gross profit Hanhai fleet series, was optimized network river waterway determined how choose...
The Bosphorus is a heritage from the past to present with its natural, historical and cultural features. Vessels passing through Bosphorus, which narrow waterway, create risk in Istanbul Strait. Thousands of vessels carrying dangerous cargoes pass every year. In this study, changes cargos carried by these number over years are examined. It seen that approximately 44000 per year have passed cons...
We address the problem of minimizing aggregated fuel consumption by vessels in an inland waterway, e.g., a river, with single lock. The vessel depends on its velocity and slower it moves, less consumes. Given entry times into waterway deadlines before which they need to leave we start from optimal velocities that minimize their private consumption, where assume selfish behavior skippers. Presen...
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