液体离心式喷嘴脉动流量测量方法

推进技术 ›› 2008, Vol. 29 ›› Issue (6): 721-725.

液体离心式喷嘴脉动流量测量方法

杨立军,王向东,富庆飞

北京航空航天大学宇航学院;北京航空航天大学宇航学院;北京航空航天大学宇航学院

发布日期:2021-08-15
基金资助:
国家自然科学基金(50406007)

Conductance measurement method of pulsing flow in liquid swirl injector

School of Astronautics,Beijing Univ.of Aeronautics and Astronautics,Beijing 100083,China;School of Astronautics,Beijing Univ.of Aeronautics and Astronautics,Beijing 100083,China;School of Astronautics,Beijing Univ.of Aeronautics and Astronautics,Beijing 100083,China

Published:2021-08-15

摘要/Abstract

摘要： 为了对离心喷嘴动态特性进行实验研究,根据离心喷嘴内部流动的特点,以多孔钛材料为电极并结合锁相放大电路研制了一种离心喷嘴内部脉动流量的测量装置,并对敞口型模型离心喷嘴进行了实验测量。初步实验结果表明此方法及测量传感器可用于离心喷嘴内部脉动流量测量,对离心喷嘴动态特性的实验研究具有重要意义。

关键词: 离心喷嘴;动态特性;脉动流量;电导测量;传感器

Abstract: In order to investigate dynamic characteristic of swirl injector experimentally,an inner pulsing flow measurement method has been developed according to the characteristics of the liquid flow in swirl injector.Experimental measurement of open-end swirl injector was conducted with this sensor.The experimental results show that the method and sensor can meet the requirement of pulsing flow measurement in the swirl injector.It has remarkable significance for the experimental investigation of swirl injector dynamic characteristic and LRE unstable combustion.

Key words: Swirl injector;Dynamic characteristic;Pulsing flow;Conductance measurement;Sensor

杨立军,王向东,富庆飞. 液体离心式喷嘴脉动流量测量方法[J]. 推进技术, 2008, 29(6): 721-725.