Browse

Raft-assembling unit composed of four small volume bundles (up to 5 cubic meters) linked by the means of the fastening logs and flexible couplings has been proposed for the shallow rivers. As the results of experimental researches the mathematical model of hydrodynamics resistance was obtained. The timber transport units (TTU) were formed from 1?6 raft sections. The study was performed at 1:20 model-prototype relationship. The ?length/beam? ratio of the TTU varied from 1 to 6. Modeling during uniform motion of the...