曝光臺 注意防騙
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飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
1、爬升參數(shù)的計算
6、注意事項
1、在計算時,可以先以高度為積分步長,后以時間為
積分步長。如: 1000ft / 2min
2、高度是幾何高度,需要轉(zhuǎn)換;
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
1、爬升參數(shù)的計算
6、注意事項(*** 不要求***)
由M、W、HP、T、SW,求CL;
由M、CL 求CD、D,并進(jìn)行重心、雷諾數(shù)的修正;
由M、HP、T 求最大爬升推力FN;
由M、D、T 求換算燃油流量、WF;
計算出爬升率、爬升梯度、加速因子;
取一定的積分步長,求出爬升時間、距離、油量;
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
2、爬升剖面
AA BB C D E F
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
爬升方式:
Climb at Maximum Gradient
Climb at Maximum Rate
Climb at Minimum Fuel
Climb at Minimum Cost
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
3、爬升時間最短的爬升
1、原則
低高度等表速爬升,高高度等馬赫數(shù)爬升。
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
2、爬升剖面
1、典型的爬升剖面
1、原則
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
2、爬升剖面
1、典型的爬升剖面
1、原則
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
3、爬升時間最短的爬升
2、速度限制
在高度低于10000英尺時,應(yīng)保持表速不大于250節(jié),除
非在此速度下飛機(jī)達(dá)不到安全要求。
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
3、爬升時間最短的爬升
3、轉(zhuǎn)換高度
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
3、爬升時間最短的爬升
3、轉(zhuǎn)換高度
1、只與表速和馬赫數(shù)有關(guān),與溫度無關(guān),與機(jī)型無關(guān)。
2、在低于轉(zhuǎn)換高度時:加速爬升過程。加速因子大于零;
3、在高于轉(zhuǎn)換高度,低于11000米時:減速爬升過程。加
速因子小于零;
4、在高于11000米時:等速爬升過程。加速因子等于零;
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
4、其他爬升
1、陡升與快升
爬升距離最短(陡升速度):爬升梯度最大;對應(yīng)于
綠點速度。
爬升時間最短(快升速度):爬升率最大;
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
V V 陡快;
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
4、其他爬升
2、最佳爬升
爬升航段燃油消耗最少的爬升方式。它近似對應(yīng)于最
大爬升率的爬升,但考慮到飛行員操作方面的要求,近似
于等表速、等馬赫數(shù)的爬升方式。
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
2、爬升剖面
3、最佳爬升
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
4、其他爬升
2、最佳爬升
影響因素
1、重量:重量越大,速度越大。
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
2、爬升剖面
3、最佳爬升
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
4、其他爬升
2、最佳爬升
影響因素
2、風(fēng):影響爬升的耗油量,
100節(jié)順風(fēng):使最佳表速減小約5節(jié);
100節(jié)頂風(fēng):使最佳表速增大約5節(jié);
飛機(jī)性能工程
airplane performance engineering
Department of Flight Operation,Air Traffic Management College, CAUC
4、其他爬升
2、最佳爬升
影響因素
3、爬升馬赫數(shù):
4、溫度:
5、爬升頂點的高度:
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