简介：Inordertoanalyzetheice-goingship’sperformanceunderthepackiceconditions,syntheticicewasintroducedintoatowingtank.Abarrierusingfloatingcylinderinthetowingtankwasdesignedtocarryouttheresistanceexperiment.Thetestresultsindicatedthattheencounteringfrequencybetweentheshipmodelandthepackiceshiftstowardsahigh-velocitypointastheconcentrationofthepackiceincreases,andthisencounteringfrequencycreatesanunstableregionoftheresistance,andtheunstableregionshiftstothehigherspeedwiththeincreasingconcentration.Theresultsalsoshowedthatforthesamespeedpoints,theratioofthepackiceresistancetotheopenwaterresistanceincreaseswiththeincreasingconcentration,andforthesameconcentrations,thisratiodecreasesasthespeedincreases.Motioncharacteristicsshowedthatthemeanvalueoftheheavemotionincreasesasthespeedincreases,andthepitchmotiontendstoincreasewiththeincreasingspeed.Inaddition,thetotalresistanceofthefullscalewaspredicted.