Experimental study of shock-wave structure of supersonic underexpanded microjets

被引：1
|
作者：
Timofeev, I. [1 ]
Aniskin, V. [2 ]
Maslov, A. [2 ]
机构：
[1] Novosibirsk State Univ, Novosibirsk 630090, Russia
[2] Khristianovich Inst Theoret & Appl Mech, Novosibirsk 630090, Russia
来源：
2ND ALL-RUSSIAN SCIENTIFIC CONFERENCE THERMOPHYSICS AND PHYSICAL HYDRODYNAMICS WITH THE SCHOOL FOR YOUNG SCIENTISTS | 2017年 / 899卷
基金：
俄罗斯科学基金会;
关键词：
D O I：
10.1088/1742-6596/899/2/022018
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The structure of supersonic underexpanded room temperature air microjets is experimentaly studied. Microjets escaping from the nozzles with characteristic heights of 22.3 and 83.3 mu m and widths of 2410 and 3900 mu m respactacly with the Reynolds numbers of 640 and 2390. At these Reynolds numbers hot-wire anemometer measurements of mass flow pulsations are performed. It is shown that low value of the mass flow pulsations are corresponding with the high supersonic core length.
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页数：6
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