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Recent Developments in the Research on Rotating-Detonation-Wave Engines

机译：旋转爆炸波动发动机研究的最新发展

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摘要

There is the potential to increase further the substantial performance gains made by the Pulsed-detonation Engine (PDE) concept over the traditional constant-pressure Brayton cycle based propulsion engines by moving from "pulsed" or "intermittent" detonations to a more "continuous" mode of operation. The concept has been around for more than fifty years but has seen a renewed interest recently following the success enjoyed by the Pulsed-Detonation Engine concept. This paper is an attempt to gather the key information presented in previous presentations and publications in the recent open literature and to assess the potential for "Rotating Detonation-wave Engines" (RDE), a manifestation of the continuous detonation-wave engine. In addition, current research being conducted at the Naval Research Laboratory is used to highlight the operation and performance of a generic rotating detonation-wave engine. The flowfield within the engine is shown to be fairly complicated. However, it follows the "steady-state" detonation cycle quite closely, unlike the PDE. Then, the growing World-wide research and development activities are highlighted using representative examples. These examples also bring out the key areas of basic research and development that are still needed to make the RDE a demonstrated practical concept.
机译：通过从“脉冲”或“间歇”爆炸到更“连续”，存在脉冲爆炸发动机（PDE）概念的脉冲爆炸发动机（PDE）概念的大量性能提升。通过从“脉冲”或“间歇性”爆炸到更“连续”，脉冲爆炸发动机基于传统的恒压布雷顿循环的推进发动机操作模式。这一概念已经存在超过五十年，但最近在脉冲爆炸引擎概念享有的成功之后已经看到了更新的利益。本文试图在最近的开放文献中收集先前演示和出版物中提出的关键信息，并评估“旋转爆轰波动”（RDE），连续爆炸波动发动机的表现。此外，在海军研究实验室进行的当前研究用于突出通用旋转爆炸波动发动机的操作和性能。发动机内的流场显示为相当复杂。然而，与PDE不同，它密切关注“稳态”爆炸周期。然后，使用代表性示例强调了越来越多的全球研究和开发活动。这些例子还带来了基本研究和发展的关键领域，以便使RDE表现出了实际概念。

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