The invention relates to a high Reynolds number grease seepage resistance reduction test device, which comprises a water tank, a model, a resistance meter and a grease seepage pipeline, and is characterized in that the water tank is used for providing high-speed water flow; the model is fixed in the water tank through a rapier; the resistance meter is arranged in the model, and the rapier is arranged on the resistance meter; the grease seeping pipeline is used for conveying grease; wherein the model comprises a head part, a middle section and a tail section, the grease seeping pipeline is connected with a pipe joint of the head part, the joint surfaces of a screw cap of the head part and a front end boss of the middle section are conical surfaces, and a gap between the screw cap and the front end boss of the middle section is adjusted by rotating the screw cap for seeping grease. Water flow flows along the water tank at a high speed, the speed of the water flow reaches 10 m/s, the Reynolds number is 2 * 10 < 7 > or above, and resistance generated by relative movement is measured through the resistance meter; the resistance meter is connected and installed at the middle position of the model through the rapier, the weight distribution of the head section and the tail section is uniform, the interference of other component forces is reduced, and the resistance value of the model can be directly measured.
本发明涉及一种高雷诺数渗脂减阻试验装置,包括水槽、模型、阻力仪和渗脂管路,水槽用于提供高速水流;模型通过剑杆固定在水槽中;阻力仪设置在模型中,剑杆设置在阻力仪上;渗脂管路用于输送油脂;其中,模型包括首部、中段和尾段,渗脂管路与首部的管接头连接,首部的螺帽和中段的前端凸台接合面均为圆锥面,通过旋转螺帽调节螺帽和中段的前端凸台之间的缝隙,用于渗出油脂。本发明水流沿水槽高速流动,水流的速度达到10m/s,雷诺数2*107以上,相对运动产生的阻力通过阻力仪测量;阻力仪通过剑杆连接安装在模型靠中间位置,首部和尾段重量分布较为均匀,减小其他分力的干扰,可直接地测得模型的阻力值。
High Reynolds number grease seepage resistance reduction test device
一种高雷诺数渗脂减阻试验装置
01.10.2024
Patent
Elektronische Ressource
Chinesisch
AERODYNAMIC NOISE REDUCTION STRUCTURE AT HIGH REYNOLDS NUMBER ZONE
Europäisches Patentamt | 2016
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