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测试解决方案 » 测试解决方案 测试类型 » 简单循环 » 充气压力对体育用球影响的动态调查分析

充气压力对体育用球影响的动态调查分析

Company

  • 体育技术研究所 - 拉夫堡大学

Materials

  • 部件

Business Sector

  • 学院
  • 消费品/工业用品

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  • 简单循环

Specimen

  • 构件
联系我们获取附件手册
ElectroPuls Dynamic Sports Ball or BasketBall Testing – Machine Setup
ElectroPuls Dynamic Sports Ball or BasketBall Testing – Pressure Effects
ElectroPuls Dynamic Sports Ball or BasketBall Testing – Energy absorption
  • ElectroPuls Dynamic Sports Ball or BasketBall Testing – Machine Setup
  • ElectroPuls Dynamic Sports Ball or BasketBall Testing – Pressure Effects
  • ElectroPuls Dynamic Sports Ball or BasketBall Testing – Energy absorption
  • 介绍
  • Literature

在充满活力的体育技术和工程领域,工程师们要特别注意器材中能量的储存及损失。充气(和固体)球的特性往往决定于描述球与硬板间相互作用的回弹系数。仔细的选择材料、结构、充气压力可得到合适的动态特性。在球离开工厂后,材料及结构保持相对一致,但球的内部压力则由运动员全权处理,他们只得到相关建议。曾进行过一项研究,观察了在经过各种程度变形后过高或过低压力与能量损耗间的关系。

ElectroPuls™ E3000 配备了轻质压缩板,用来压缩整个球。在研究过程中,许多不同类型的球都进行了测试(足球、排球、五人制足球、篮网球、排球、艺术体操球)。篮球的结果如下:每个球在恒定频率下进行循环压缩,以初始位移平均值为基准,振幅5 mm ,随后振幅再以 5 mm为单位做递增。该动作由 WaveMatrix™ 动态测试软件中的数字编码控制器进行设定。每个球进行三项压力测试:

  • “额定”压力指球压在规定范围的中间部分
  • 欠压 比 额定 少25%
  • 过压 比 额定 多25%

力-位移曲线取自每个初始位移的最后周期(第20个)。加载和卸载曲线数值积分的差别代表了在每个压缩循环中的能量损失。本图显示了在各个循环周期内损失的能量与导入到系统中的能量之比。较大的条状表示相对较高的能量损失。

ElectroPuls™ Electrodynamic Test Instruments

ElectroPuls instruments are state-of-the-art electrodynamic test systems for dynamic and static tests on materials & components. Powered entirely from a single-phase mains supply, they feature the latest in testing technology and a host of other user-oriented features.

  • 产品
  • 4/24/2013
  • 1.7 MB

ElectroPuls™ E1000 All-Electric Dynamic Test Instrument

The ElectroPulsTM E1000 is a state-of-the-art, all-electric test instrument designed for dynamic and static testing on a wide range of materials and components. It includes Instron® advanced digital control electronics, DynacellTM load cell, Console software, and the very latest in testing technology – hassle-free tuning based on specimen stiffness, electrically operated crosshead lifts, a T-slot table for flexible test set ups, and a host of other user-orientated features. Powered from a single-phase supply it requires no additional utilities for basic machine operation (for example, pneumatic air, hydraulics, or water).

  • 产品
  • 3/3/2017
  • 0.7 MB

ElectroPuls™ E3000 All-Electric Dynamic Test Instrument

The ElectroPulsTM E3000 is a state-of-the-art, all-electric test instrument designed for dynamic and static testing on a wide range of materials and components. It includes Instron® advanced digital control electronics, DynacellTM load cell, Console software, and the very latest in testing technology–hassle-free tuning based on specimen stiffness, electrically operated crosshead lifts, a T-slot table for flexible test set ups and a host of other user-orientated features. Powered from a single-phase supply it requires no additional utilities for basic machine operation (for example, pneumatic air, hydraulics, or water).

  • 产品
  • 3/3/2017
  • 0.7 MB

ElectroPuls E10000 All-Electric Dynamic Test Instrument

The ElectroPulsTM E10000 is a state-of-the-art, all-electric test instrument designed for dynamic and static testing on a wide range of materials and components. It includes Instron® advanced digital control electronics, DynacellTM load cell, Console software, and the very latest in testing technology – hassle-free tuning based on specimen stiffness, electrically operated crosshead lifts, a T-slot table for flexible test set ups and a host of other user-orientated features. Powered from a single-phase supply it requires no additional utilities for basic machine operation (for example, pneumatic air, hydraulics, or water).

  • 产品
  • 3/3/2017
  • 0.7 MB

E10000 Combined POD

The ElectroPulsTM E10000 is a state-of-the-art, all-electric test instrument designed for dynamic and static testing on a wide range of materials and components. It includes Instron® advanced digital control electronics, bi-axial DynacellTM load cell, Console software, and the very latest in testing technology – hassle-free tuning based on specimen stiffness, electrically operated crosshead lifts, a T-slot table for flexible test set ups and a host of other user-orientated features. Powered from a single-phase supply it requires no additional utilities for basic machine operation (for example, pneumatic air, hydraulics, or water).

  • 产品
  • 7/11/2019
  • 0.8 MB

WaveMatrix™ Brochure

WaveMatrix™ is intelligent software designed for fatigue and dynamic testing of materials and components. It delivers flexibility - run everything from a simple static ramp, to cyclic waveforms through to complex multi-step, multi-axial tests The highly visual environment with integrated tabular screens, clear menu structures, time-based matrix test preview and configurable live test workspace is designed to be intuitive and instill confidence. Packed with intelligent features, such as data reduction and built-in project organization, designed to simplify your testing.

  • 产品
  • 2/2/2011
  • 1.0 MB

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