單航向爬升性能數(shù)據(jù)修正方法及應用

打開文本圖片集

摘  要：“鋸齒法”是爬升性能試飛中常用的方法，但對試驗空域內(nèi)風場穩(wěn)定性要求高，使用雙向爬升消除風梯度影響方法效率低。文章從爬升性能數(shù)據(jù)擴展理論基礎出發(fā)，分析風梯度對“鋸齒法”試飛的影響，提出一種在單航向爬升中消除風梯度影響的數(shù)據(jù)處理方法，使用實際試飛數(shù)據(jù)結果進行驗證，表明該方法有效。

關鍵詞：鋸齒爬升;爬升性能;單航向爬升;試飛

中圖分類號：V217.3 文獻標志碼：A          文章編號：2095-2945（2022）07-0122-03

Abstract： The "sawtooth method" is commonly used in climbing performance flight test， but it requires high stability of wind field in the test airspace， and the efficiency of using two-way climbing to eliminate the influence of wind gradient is low. Based on the expansion theory of climbing performance data， this paper analyzes the influence of wind gradient on "sawtooth method" flight test， and puts forward a data processing method to eliminate the influence of wind gradient in single course climbing， which is verified by the actual flight test data. The results show that the method is effective.

Keywords： sawtooth climbing; climbing performance; single course climbing; flight test

爬升性能是指飛機在實際大氣環(huán)境中，其剩余推力轉換高度的能力，是飛機一項重要的性能指標，包括爬升率、爬升梯度、爬升時間、油耗等。（剩余3426字）