Power versus speed for shallow draft navigation

被引：10

作者：

Maynord, ST ^{[1
]}

机构：

[1] USA, Waterways Expt Stn, Hydraul Lab, Vicksburg, MS 39180 USA

来源：

JOURNAL OF WATERWAY PORT COASTAL AND OCEAN ENGINEERING-ASCE | 2000年 / 126卷 / 02期

关键词：

Computational methods - Friction - Mathematical models;

D O I：

10.1061/(ASCE)0733-950X(2000)126:2(103)

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A model is developed for estimating the applied power of a tow as a function of tow speed through water, tow size, tow integration, local depth, channel size, and whether the towboat has Kort nozzles or open wheel propellers. The model computes the total resistance of the tow by considering friction resistance, resistance due to water level drawdown, form (pressure) resistance, and the effects of shallow water and size of the channel cross section. The effective push of the towboat is equated to the resistance, and the applied power is determined from empirical relations developed for typical towboats. Comparison with observed tows shows that the model provides a reasonable estimate of the applied power.

引用

页码：103 / 106

页数：4