拖拉机设计中的虚拟建模：纽荷兰案例研究
技术
- 传感器 - 流量计
- 传感器 - 液体检测传感器
适用行业
- 电网
- 包装
适用功能
- 产品研发
- 质量保证
用例
- 实验自动化
- 智能包装
服务
- 系统集成
- 测试与认证
关于客户
CNH Case New Holland 是农业和建筑设备行业的全球领导者。 CNH 的工厂遍布各大洲，业务遍及全球，并在 160 个国家/地区拥有由 10,800 家经销商组成的庞大网络。该公司自 1800 年代中期以来一直为农业提供支持，提供一系列产品和解决方案，以满足客户的多样化需求。该公司对创新和技术的承诺体现在其拖拉机设计方法中，利用先进的流动建模软件来优化其产品的设计和性能。
挑战
大型拖拉机需要由五个独立模块组成的复杂冷却系统。每个冷却模块专用于发动机的五种不同流体系统之一，包括自己的热交换器，并由主发动机风扇额外冷却。拖拉机的主要目标是支撑自身以及其所带的任何附件（如割草机或犁）的额外负载。这需要设计工作专注于最大限度地提高发动机功率输出和冷却组件的效率，同时优化发动机舱内所有组件的位置，以便为发动机和冷却系统模块提供足够的空气。对于 CNH 来说，此设计过程通常仅包括对各个组件（例如每个冷却模块）的深入分析。没有简单的方法可以将发动机舱内组件布局的影响以及整个系统中每个模块的气流分配纳入其中。CNH 使用的替代方案是开发和测试多个原型，以平衡冷却和空间需求，尽管这既昂贵又耗时。
解决方案
CNH 使用流动建模软件 ANSYS Fluent 和 ANSYS TGrid 来模拟发动机舱组件内部和周围的空气流动，从而可以立即检查整个系统，而不是以前的逐个方法。该分析使 CNH 能够分析整个冷却系统及其容量，最大限度地减少冷却系统使用的功率，并优化冷却模块的位置。通过使用流动建模工具，CNH 能够消除多个成本高昂的原型的制造和测试，定义由 ANSYS Fluent 软件预测的最佳原型，实验测量值与计算机模拟值之间具有非常好的一致性，减少由该冷却系统与最初的设计相比，满足所有冷却模块的散热和封装要求。
运营影响
数量效益
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