气动阀门结构煤油/空气脉冲爆震发动机试验  

Experiment of Kerosene/Air Pulse Detonation Engine with Aero-valve Structure

作　　者：何小明[1] 王家骅[1] 张靖周[1] 

机构地区：[1]南京航空航天大学能源与动力学院,南京210016

出　　处：《南京航空航天大学学报》2011年第6期713-717,共5页Journal of Nanjing University of Aeronautics & Astronautics

摘　　要：以煤油为燃料、空气为氧化剂,采用气动阀门结构进气,组合结构障碍物强化燃烧和双半V型障碍物加强激波反射,在内径100 mm,长为1 340 mm的爆震管内进行大量的爆震试验,实现工作频率58.8 Hz协调工作。研究爆震室内主要部件在不同工作阶段的功能,并分析主要部件的工作机理,分析了煤油/空气两相可燃混气形成过程,研究煤油/空气脉冲爆震发动机爆震波特性,获得煤油/空气脉冲爆震发动机协调工作关键技术。研究结果为煤油/空气脉冲爆震发动机原理样机设计提供了理论基础。Multi-cycle pulse detonation experiments with heated air filled and liquid kerosene fuel injected by aero-valve and accelerating combustion by combined intensifying combustion assembly are carried out in a detonation tube with 100 mm in inner diameter and 1 340 mm in length,and the pulse detonation engine can operate at a frequency up to 58.8 Hz.The function and principle of main parts in the detonation chamber are analyzed with different operation process of pulse detonation engine.The formation mechanism of two-phase combustible mixture and the detonation wave properties are investigated.The key technologies of harmony operation of kerosene/air pulse detonation engine are obtained.

关 键 词：脉冲爆震发动机 爆震燃烧 气动阀 强化燃烧 

分 类 号：V235.22[航空宇航科学与技术—航空宇航推进理论与工程]