A new towing tank and its design concept and method are introduced. The relationships between main scale of the tank and the trailer velocity, trailer acceleration, trailer deceleration are elaborated. The notes on determining the tank length, width and the depth are proposed. And the operating conditions of the trailer in some speed range are analyzed. Five repeated tests verify that the trailer system is stability. And the reproducibility of data is good. Comparative tests are carried out with other two tanks about ship model experiment in the same conditions. The experimental data are in good agreement.%结合一新建水池介绍了船模拖曳水池的设计理念及方法,阐述了水池主要尺度与拖车速度、加速度、制动速度的关系,指出了确定水池长度、宽度、深度应注意的问题,分析了系列速度段拖车速度运行状况,于一年内不同时段先后开展了5次重复试验,用以跟踪研究水池拖车系统稳定性,5次试验数据重复性好.为验证试验精度,与其它两个水池开展船模静水阻力比对试验,结果显示比对试验数据吻合.
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