Department of Sports Sciences, University of Beira Interior, Covilhã, Portugal.
Research Center in Sports Science, Health and Human Development, Covilhã, Portugal.
Sports Biomech. 2024 Sep;23(9):1123-1135. doi: 10.1080/14763141.2021.1923793. Epub 2021 Jun 3.
The aim of this study was to analyse the effect of swimming goggles on swimming hydrodynamics by numerical simulations. An elite swimmer volunteered for this research. The swimmer's head was scanned both without goggles, and while wearing 3 different types of goggles (Nikko, Ankor and Swedish). Numerical simulations were conducted at 2 m/s with the Fluent code. The condition without goggles showed the highest viscous drag (1.65 N), followed by the Ankor (1.64 N), Swedish (1.63 N) and Nikko (1.62 N) goggles, respectively. The highest pressure drag was found in the situation without goggles (11.34 N), followed by the Ankor (10.87 N), Nikko (10.78 N) and Swedish (10.20 N) goggles. The condition without goggles presented the highest total drag (12.99 N), followed by the Ankor (12.52 N), Nikko (12.40 N) and Swedish (11.83 N) goggles. Thus, Swedish goggles yields the best hydrodynamics, followed by the Nikko and Ankor goggles and lastly without goggles. Thus, goggles minimise the swimmer's drag comparing to not wearing any. The design of the goggles may impose varying drag forces and therefore it is advised to use goggles at least in competition.
本研究旨在通过数值模拟分析泳镜对游泳水动力的影响。一位精英游泳运动员自愿参与了这项研究。扫描了游泳运动员的头部，分别是不戴泳镜、戴三种不同类型泳镜（尼康、安高和瑞典）的情况。在 Fluent 代码中以 2 m/s 的速度进行数值模拟。不戴泳镜的情况下粘性阻力最高（1.65 N），其次是安高（1.64 N）、瑞典（1.63 N）和尼康（1.62 N）泳镜。不戴泳镜的情况下压力阻力最高（11.34 N），其次是安高（10.87 N）、尼康（10.78 N）和瑞典（10.20 N）泳镜。不戴泳镜的情况下总阻力最高（12.99 N），其次是安高（12.52 N）、尼康（12.40 N）和瑞典（11.83 N）泳镜。因此，瑞典泳镜的水动力性能最佳，其次是尼康和安高泳镜，最差的是不戴泳镜。因此，与不戴泳镜相比，泳镜可最大程度地减少游泳者的阻力。泳镜的设计可能会产生不同的阻力，因此建议至少在比赛中使用泳镜。
