Development of Pulse Detonation Engine Initiator Using Conic Shape Reflector for Large Bore and High thrust Combustor

大口径高推力燃烧室圆锥形反射器脉冲爆震发动机引发装置的研制

• 批准号: 21760646
• 负责人: WAKITA Masashi
• 金额: $ 2.83万
• 依托单位: Hokkaido University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Young Scientists (B)
• 财政年份: 2009
• 资助国家: 日本
• 起止时间: 2009 至 2011
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21760646/
• 关键词: パルスデトネーションエンジン; デトネーション; 円錐形状反射板; 超音速燃焼; デトネーションの伝播; 水素-空気混合気; ドライバーガス過供給

To develop a pulse detonation engine(PDE) with large diameter and small L/D, a new PDE initiator using a conic shape reflector have been proposed. The promotion effect of the transition of detonation wave obtained by the conical body of 15°is extremely high. This is because transverse waves in a detonation wave can reach the sidewall of the conical body, when the conical angle is sufficiently smaller than the angle of the triple point trajectory of the detonation wave. The large diameter cylindrical combustor experiments reveal that the necessary overfilling radius of the driver gas mixture is more than 100 mm to initiate the detonation wave, and this radius is less than 1% of the driver gas usage rate over the whole section of the PDE system.

为了研制大直径、小长径比脉冲爆震发动机，提出了一种采用圆锥反射器的脉冲爆震发动机起爆器。15°锥体对爆震波转捩的促进作用非常大。这是因为，当锥角充分小于爆震波的三相点轨迹的角度时，爆震波中的横波能够到达锥形体的侧壁。大直径圆柱燃烧室实验表明，爆震波发生所需的驱动气体混合物过充半径大于100 mm，且该半径小于PDE系统整个截面驱动气体使用率的1%。

项目成果

Driver Gas Reduction Effect of Pulse-Detonation-Engine Initiator Using Reflecting Board

• DOI: 10.2514/1.50043
• 发表时间: 2011
• 期刊: Journal of Propulsion and Power
• 影响因子: 1.9
• 作者: M. Wakita;R. Numakura;Takatoshi Asada;Masayoshi Tamura;T. Totani;H. Nagata

大口径平板燃焼器を伝播する円筒デトネーション波に関する研究

大直径平板燃烧室内圆柱爆震波传播研究

• 发表时间: 2011
• 作者: 木俣孝裕;稲毛達朗;土倉直;佐藤岳大;太田匡則;前野一夫;Masashi Wakita;桟敷和弥
• 通讯作者: 桟敷和弥

Effects of flow passage shape around reflector on detonetion transition

反射器周围流道形状对爆震转变的影响

• 发表时间: 2010
• 作者: Masashi Wakita;Masayoshi Tamura;Akihiro Terasaka;Tsuyoshi Totani and Harunori Nagata
• 通讯作者: Tsuyoshi Totani and Harunori Nagata

拡大する流路内を伝播する円環デトネーション波の挙動

圆形爆轰波在扩张通道中传播的行为

• 发表时间: 2009
• 作者: Masashi Wakita;Masayoshi Tamura;Akihiro Terasaka;Tsuyoshi Totani and Harunori Nagata;田村正佳
• 通讯作者: 田村正佳

Development of Pulse Detonation Engine Initiator Using Reflector for Large Bore Combustor

大口径燃烧室反射镜脉冲爆震发动机引发装置的研制

• 发表时间: 2012
• 期刊: TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN
• 作者: Masashi WAKITA;Masayoshi TAMURA;Akihiro TERASAKA;Kazuya SAJIKI;Tsuyoshi TOTANI and Harunori NAGATA
• 通讯作者: Tsuyoshi TOTANI and Harunori NAGATA