The tests show that the heat transfer characteristics of underwater tank is related to the properties of oil stored. 掌握水下油罐的传热规律,合理计算和确定其加热负荷是开发和应用这项技术的关键。
The conventional technique for measuring of transmission properties of underwater acoustic passive materials is improved to measure insertion loss ( transmission coefficient) of large materials of definite size as the function of frequencies in a small-sized anechoic tank. 本文对传统的水声无源材料透声性能测量技术提出了几点改进,以便在小型消声水池中测量有限尺寸的大面积材料的插入损失(透射系数)随频率的变化规律。
An experimental technique for testing the underwater towed system in a model ship towing tank with sensor measurements is proposed and the hydrodynamic behaviours of a two_part underwater towed system with such a technique are demonstrated. 介绍了一种将传感器测量法应用于船模试验水池中进行水下拖曳系统模型试验的方法,并借助这一方法探讨了二体水下拖曳系统的水动力性能。
The experimental results shows that optimal results of an underwater towed system test conducted in a model ship towing tank can be achieved with the technique. The method provides an ideal means for laboratory experiments on an underwater towed system. 试验结果表明:将传感器测量法应用于船模试验水池中进行水下拖曳系统的试验可以取得令人满意的效果,它为水下拖曳系统模型试验提供了一种理想的手段;
A Numerical Model of Temperature Field of Underwater Concrete Oil Storage Tank 水下混凝土储油罐温度场数模优化计算与分析
Accurate station keeping is demonstrated in experiments with our four-DOF underwater vehicle and the observed target which is a regular tetrahedron with four ball-like culminations in our indoor water tank. 以自行研制的水下机器人控制系统实验研究平台为实验载体,以4个按正四面体分布的小球构成的合作目标为观察目标,在室内实验水池中实现了水下机器人悬停与定位演示实验。
To obtain more precise prediction of dynamic deformation, theoretical analysis and experimental investigations were carried out on the plasticity dynamic response of clamped square plates subject to underwater explosion loading in a water tank. 分析研究了在装药水中爆炸产生的强冲击载荷作用下固支方板的塑性动力响应过程。
The feasibility of storing crude oil containing seawater in an underwater oil tank was studied by using oil/ water displacement technology. 研究水下油罐贮含水原油采用油水置换工艺的可行性。
The method of underwater oil storage is adopted in the ocean oil exploitation, which can highly economize the expenditure of building flat compared with aquatic oil storage. In addition, the capacity of oil tank is not limited. 海洋石油开发采用水下储油方法,与水上储油相比,可节省昂贵的平台建造费用,而且储罐容量不受限制,具有巨大的储油能力。
Underwater welding process is different from on the land of the welding process, welding seam under high pressure and welding pool underwater rapid cooling, the robot structure effect, observation tank and tracking CCD, and other factors to cooperate. 水下焊接过程不同于陆地上的焊接过程,焊缝承受水下高压和焊接熔池急剧冷却、机器人自身结构、观察舱和跟踪CCD等多个因素影响。