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題 名 | 空射飛彈自由飛行振動規格擬訂之研究=A Study on Air-Launched Missile Free-Flight Vibration Specification Establishment |
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作 者 | 許凱超; | 書刊名 | 新新科技年刊 |
卷 期 | 11 2015.01[民104.01] |
頁 次 | 頁322-334 |
分類號 | 595.95 |
關鍵詞 | 空射飛彈; 自由飛行振動; Air-Launched missile; Free-Flight vibration; MIL-STD-810; MIL-HDBK-781; |
語 文 | 中文(Chinese) |
中文摘要 | MIL-STD-810對噴射機外掛物飛行振動環境之預估,係以「掛載」飛行量測資料為基礎,若以此來預估空射飛彈自由振動環境規格,將導致不合理之過高振動位準。對此,MIL-HDBK-781規定以「自由飛行紊流調整因子」,MIL-STD-810於F版本開始增加「馬赫數修正」係數,來調降外掛物高速飛行之振動預估位準。本文建議以MILSTD-810噴射機外掛物飛行振動環境預估方法為基礎,採用MIL-HDBK-781之「自由飛行紊流調整因子」,並以Lowson研究為基礎之關係式取代MIL-STD-810之「馬赫數修正」,來預估空射飛彈自由飛行振動環境規格。本文建議之預估結果,除遠低於美軍標準/規範外,並可涵蓋飛試量測之振動位準,且具有相當的安全裕度。 |
英文摘要 | The vibration environment prediction method for jet aircraft external store as specified inMIL-STD-810, was based on captive flight measurements. If used it to predict air-launchedmissile free-flight vibration environment, will lead to an unreasonable high vibration level.Hence, MIL-HDBK-781 add a "free-flight turbulence adjustment factor", and MIL-STD-810Fadd a "Mach number correction" to reduce the external store vibration predicted result duringhigh speed flight. For establishing air-launched missile free-flight vibration specification, thispaper proposes a means based on MIL-STD-810 prediction method, by adopt the "free-flightturbulence adjustment factor" of MIL-HDBK-781, and derive a formula based on Lowson'sstudy to substitute the "Mach number correction" of MIL-STD-810. As a result, the airlaunchedmissile free-flight vibration level predicted by this paper far lower than the resultspredicted by MIL-STD-810 and MIL-HDBK-781, can cover the measurement data acquiredfrom missile flight tests, and still provide an appropriate safety margin. |
本系統中英文摘要資訊取自各篇刊載內容。