In this thesis,the rolling moment characteristics of canard missies are studied,and theinfluence of downwash of canard was analyzed.
本文討論了鴨式布局彈箭的滾轉(zhuǎn)氣動特性，分析了鴨舵的下洗影響作用。
The stable isotope was used for evaluating washout process in summer at Mingnan Area.
使用穩(wěn)定同位素方法對閩南夏季云下洗脫過程進行研究；對閩南夏季降水中穩(wěn)定同位素豐度比進行了測試。
A new configuration of infrared suppressor utilizing nozzle ejector and rotor downwash is presented,relevant experimental and computational study is conducted on the mixing characteristics inside the new infrared suppressor.
在波瓣引射器一次引射摻混后,提出利用旋翼下洗氣流對彎曲混合管排氣進行二次強迫混合的紅外抑制器結(jié)構(gòu),并對該紅外抑制器進行了有關(guān)流動混合特性的實驗和數(shù)值研究,獲得了主流和引射氣流、下洗氣流相互混合過程中,混合管內(nèi)部及抑制器出口處的溫度場和壓力場等相關(guān)信息,以及表征引射-混合系統(tǒng)總體性能的引射系數(shù)等參數(shù)。
Utilizing a ground test model,an experimental diagnostic study on the infrared suppressor integrating the exhaust system with the tail part of a helicopter has been performed to investigate the effects of ambient air pumping-mixing and rotor downwash on reducing the exhaust system temperature and diminishing the target infrared signature.
利用地面模擬實驗件對排氣系統(tǒng)與尾機身一體化紅外抑制器模型進行了實驗研究,旨在分析引射混合與旋翼下洗對降低排氣溫度和目標(biāo)的紅外輻射特征的效果。