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ZERO GRAVITY AIRCRAFT TESTING OF A PROTOTYPE PORTABLE FIRE EXTINGUISHER FOR USE IN SPACECRAFT

机译：用于航天器的便携式便携式灭火器的零重力飞机测试

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摘要

For the past five years ADA Technologies has beenrndeveloping a portable fire extinguisher (PFE) for use inrnmicrogravity environments. This technology uses finernwater mist (FWM) to effectively and efficientlyrnextinguish fires representative of spacecraft hazards.rnRecently the FWM PFE was flown on a Zero-Grn(reduced gravity) aircraft to validate the performancernof the technology in a microgravity environment.rnTest results demonstrated that droplet size distributionsrngenerated in the reduced gravity environment were inrnthe same size range as data collected during normalrngravity (1-g) discharges from the prototype PFE. Datarntaken in an obscured test configuration showed that thernmist behind the obstacle was more dense in the low-grnenvironment when compared to 1-g discharges. Thernmist behind the obstacle tended to smaller droplet sizesrnin both the low-g and 1-g test conditions.
机译：在过去的五年中，ADA Technologies一直在开发用于微重力环境的便携式灭火器（PFE）。这项技术使用细水雾（FWM）来有效地扑灭代表航天器危险的火灾。rn最近，该FWM PFE在零重力飞机上飞行以验证该技术在微重力环境中的性能。在重力降低的环境中生成的尺寸分布与在从原型PFE进行正常重力（1-g）放电时收集的数据的尺寸范围相同。在模糊的测试配置中获取的数据表明，与1-g放电相比，障碍物后面的热敏电阻器在低噪声环境中密度更高。在低g和1 g测试条件下，障碍物后面的热敏电阻趋向于使液滴尺寸更小。

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  • 会议地点 Versailles(FR)
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    James Butz; Thierry Carriere; Angel Abbud-Madrid; John Easton;

  • 作者单位

    ADA Technologies, Inc., 8100 Shaffer Parkway, Suite 130, Littleton, CO 80127 jimb@adatech.com;

    ADA Technologies, Inc., 8100 Shaffer Parkway, Suite 130, Littleton, CO 80127 thierryc@adatech.com;

    Colorado School of Mines, RL 234 C, 1310 Maple Street, Golden CO 80401 aabbudma@mines.eduNational Center for Space Exploration Research, NASA Glenn Research Center, 21000 Brookpark Rd. Mail Stop 110-3,Cleveland, OH 44135 john.w.easton@nasa.gov;

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