Chlorotrifluoroethylene oligomer based nonflammable hydraulic fluid. 2 Hydraulic components' development

IF 1.9 4区工程技术 Q3 ENGINEERING, CHEMICAL Lubrication Science Pub Date : 1993-01-01 DOI:10.1002/jsl.3000090404

C. H. van Brocklin, W. B. Campbell, L. J. Gschwender, S. K. Sharma, C. E. Snyder

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引用次数: 2

Abstract

A requirement for a nonflammable hydraulic fluid was defined in the 1970s to eliminate losses attributable to hydraulic system fires. In order to increase the possibility of success of the nonflammable hydraulic fluid development programme, requirements for compatibility with current hydraulic fluids, seals, and system designs were not established. All previous attempts to develop a compatible nonflammable hydraulic fluid had been unsuccessful. Extensive screening of many chemical classes of candidate base fluids led to the selection of a Chlorotrifluoroethylene (CTFE) oligomer. Considerable hardwarel system development was performed for hydraulic system applications, including development of high-pressure actuators, pumps, and motors. The major thrust of the programme, a totally new system design, was demonstrated in the Lockheed High Technology Test Bed air craft and in the McDonnell Douglas Aircraft 55.2 MPa (8000 psi) technology ‘Iron Bird’ demonstrator. Possible retrofit applications for current systems include a C135E fireproof brake system and the M1/M1A1 Abrams tank gun mount. This paper also discusses material compatibility requirements, design considerations, and the results of pump testing of the nonflammable hydraulic fluid.

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基于氯三氟乙烯低聚物的不可燃液压流体。2液压元件的开发

20世纪70年代，为了消除液压系统火灾造成的损失，定义了对不可燃液压流体的要求。为了增加不可燃液压流体开发计划成功的可能性，没有制定与当前液压流体、密封件和系统设计的兼容性要求。以前开发兼容的不可燃液压油的所有尝试都没有成功。对许多化学类别的候选基础流体进行了广泛的筛选，从而选择了氯三氟乙烯（CTFE）低聚物。为液压系统应用进行了大量的硬件系统开发，包括高压执行器、泵和电机的开发。该计划的主要推动力，一种全新的系统设计，在洛克希德高科技试验台飞机和麦道飞机55.2兆帕（8000磅/平方英寸）技术的“铁鸟”演示机上进行了演示。现有系统可能的改装应用包括C135E防火制动系统和M1/M1A1艾布拉姆斯坦克炮座。本文还讨论了材料兼容性要求、设计注意事项以及不可燃液压流体的泵测试结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Lubrication Science ENGINEERING, CHEMICAL-ENGINEERING, MECHANICAL

CiteScore

3.60

自引率

10.50%

发文量

审稿时长

6.8 months

期刊介绍： Lubrication Science is devoted to high-quality research which notably advances fundamental and applied aspects of the science and technology related to lubrication. It publishes research articles, short communications and reviews which demonstrate novelty and cutting edge science in the field, aiming to become a key specialised venue for communicating advances in lubrication research and development. Lubrication is a diverse discipline ranging from lubrication concepts in industrial and automotive engineering, solid-state and gas lubrication, micro & nanolubrication phenomena, to lubrication in biological systems. To investigate these areas the scope of the journal encourages fundamental and application-based studies on: Synthesis, chemistry and the broader development of high-performing and environmentally adapted lubricants and additives. State of the art analytical tools and characterisation of lubricants, lubricated surfaces and interfaces. Solid lubricants, self-lubricating coatings and composites, lubricating nanoparticles. Gas lubrication. Extreme-conditions lubrication. Green-lubrication technology and lubricants. Tribochemistry and tribocorrosion of environment- and lubricant-interface interactions. Modelling of lubrication mechanisms and interface phenomena on different scales: from atomic and molecular to mezzo and structural. Modelling hydrodynamic and thin film lubrication. All lubrication related aspects of nanotribology. Surface-lubricant interface interactions and phenomena: wetting, adhesion and adsorption. Bio-lubrication, bio-lubricants and lubricated biological systems. Other novel and cutting-edge aspects of lubrication in all lubrication regimes.