"to help, or at least to do no harm," taken from Epidemics, Bk. I, Sect. V. -^sHippocrattes Teaching in hydraulic transients is often highly involved, and for many understanding steady state hydraulics is enough of a challenge. This creates a dangerous environment in which experienced hydraulic engineers take a "black box" approach to controlling pressure transients. This can lead to some very unfortunate results. This paper examines some technological solutions that have been developed in the industry and are often assumed to be "black box" solutions. The paper discusses the potential for these devices to make the hydraulic transient situation worse. The purpose of the paper is to emphasise that a good understanding of the physics of transients is essential to the safe design of hydraulic systems and also to highlight some pitfalls in a few widely used technologies.
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机译：“帮助，或至少没有伤害”，从流行病，BK中取出。我，教派。 V. - ^ - ^液瞬变教学通常很高兴，对于许多了解稳态液压是足够的挑战。这产生了一个危险的环境，其中经验丰富的液压工程师采用“黑匣子”方法来控制压力瞬变。这可能导致一些非常不幸的结果。本文介绍了在业内开发的一些技术解决方案，通常被认为是“黑匣子”解决方案。本文讨论了这些器件使液压瞬态情况更糟的潜力。本文的目的是强调对瞬态物理学的良好理解对液压系统的安全设计至关重要，也是在一些广泛使用的技术中突出一些陷阱。
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