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River transport by barges: resistance and directional stability problems

Zotti, Igor
2013
  • Controlled Vocabulary...

Abstract
River transport of bulk goods and liquids is mostly carried out by barges, especially on long distances, and it can be pushed or towed. The transport by pushed barges is safer and generates less resistance, but in some cases the transport with towed barges is required. In the latter case it must be ensured a good route-keeping to the barges, in order to be easily controlled and sure from getting out of the planned route and to be stranded on a shore. In general the route keeping is guaranteed by couples of stern skegs, which must be designed according to the barge typology. In a river navigation also the effects due to shallow water and the river currents must be taken into account. In this paper the mentioned problems will be explained in detail and some results obtained with experiments with model barges in an experimental tank will be presented. El transporte fluvial de carga seca y cargas voluminosas se hace principalmente por medio de barcazas, especialmente para largas distancias, que pueden ser remolcadas o empujadas. El transporte por barcazas de empuje es más seguro y genera menos resistencia, pero en algunos casos el transporte con barcazas remolcadas es necesario. En el segundo de los casos se debe garantizar una buena manutención de ruta a las barcazas, para que puedan ser controladas fácilmente y evitar que salgan de su ruta planeada y terminen en las orillas. Generalmente la estabilidad de ruta se garantiza con skegs en la popa, que deben ser diseñados de acuerdo a la tipología de barcaza. Además, en la navegación fluvial deben tomarse en cuenta los efectos debidos a las bajas profundidades y la corriente de los ríos. En esta exposición los mencionados problemas se explicarán en detalle y algunos resultados obtenidos con pruebas con modelos de barcazas probados en un tanque de pruebas serán presentados y discutidos.
Archivio
http://hdl.handle.net/10077/8824
Diritti
open access
Soggetti
  • river transportation

  • route keeping stabili...

  • barge

  • resistance

  • transporte fluvial

  • resistencia

  • estabilidad de ruta

  • barcazas

Visualizzazioni
2
Data di acquisizione
Apr 19, 2024
Vedi dettagli
google-scholar
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