CN100564159C - 特别是在起飞和降落时较小噪音的飞机 - Google Patents

特别是在起飞和降落时较小噪音的飞机 Download PDF

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CN100564159C
CN100564159C CNB2006800120859A CN200680012085A CN100564159C CN 100564159 C CN100564159 C CN 100564159C CN B2006800120859 A CNB2006800120859 A CN B2006800120859A CN 200680012085 A CN200680012085 A CN 200680012085A CN 100564159 C CN100564159 C CN 100564159C
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fuselage
aircraft
wing
turbine engine
pipeline
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CN101160237A (zh
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C·克罗斯
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Airbus Operations SAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C5/00—Stabilising surfaces
    • B64C5/06—Fins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/02—Aircraft characterised by the type or position of power plants
    • B64D27/16—Aircraft characterised by the type or position of power plants of jet type
    • B64D27/20—Aircraft characterised by the type or position of power plants of jet type within, or attached to, fuselages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/02—Undercarriages
    • B64C25/08—Undercarriages non-fixed, e.g. jettisonable
    • B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
    • B64C25/12—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like sideways
    • B64C2025/125—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like sideways into the fuselage, e.g. main landing gear pivotally retracting into or extending out of the fuselage

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Tires In General (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

本发明提供一种飞机，包括：机身(4)；两个机翼(2，3)，相对于该机身(4)侧向设置并且不承载任何发动机；后部垂直尾翼，包括至少两个方向舵(5，6)，并且与所述机身(4)的后部分(7)一起形成了位于所述机身的背部上的管道(8)；和至少一个设置在所述机身(4)的背部上的涡轮发动机(9，10)，使得由所述涡轮发动机(9，10)产生的气流进入到所述管道(8)中，该飞机的主要起落架整体地设置在该机身(11)下面；所述机翼(2，3)具有较小的后掠形(φ)；和所述机翼具有较大的展弦比。

Description

特别是在起飞和降落时较小噪音的飞机
技术领域
本发明涉及一种特别是起飞和降落时较小噪音的飞机。
背景技术
例如文件US-A-3936017披露了一种飞机，其包括：
-机身、
-两个机翼，相对于该机身侧向设置并且不承载任何发动机；
-后部垂直尾翼，包括至少两个方向舵，并且与所述机身的后部分一起形成了位于所述机身的背部上的管道；和
-至少一个设置在所述机身的背部上的涡轮发动机，使得由所述涡轮发动机产生的气流进入到所述管道中。
因此，正是由于管道形式的后部垂直翼的构思和在管道入口的涡轮发动机的设置，可以显著降低声音发射，因为所述涡轮发动机产生的噪音被该管道吸收并且沿该管道排向远离该机身的高处，即远离位于飞机舱后部的乘客的高处，更不必说机场周围的居民了。所产生的噪音因此被构成声音屏障的机身的后部尾翼所掩盖。
发明内容
本发明的目的是改进上述的飞机，以便主要是在起飞和降落时更进一步降低由所述涡轮发动机产生的噪音。
因此，根据本发明上述的类型的飞机的特征在于：
-该飞机的主要起落架整体地设置在该机身下面；
-所述机翼具有较小的至多等于10度的后掠形；和
-所述机翼具有较大的展弦比。
因此，根据本发明，所述飞机的机翼不仅不承载任何发动机而且还不支撑起落架的至少一部分。因此可以优化所述机翼的空气动力学的特征：
-通过降低机翼的后掠形，从而增加该飞机的最大升力，因此增加在低速下的性能；和
-通过增加该机翼的展弦比(所述展弦比是机翼的翼展和该机翼的表面积的平方的比值)，从而将大的灵巧性传给所述机翼。
因此，飞机具有起飞时(上升的非常快)和下降时(非常缓慢地降落)的良好的表现，从而起飞和降落时产生的噪音也被大大地减弱了。
最好，所述后掠形最大等于10度，所述展弦比至少等于10。
附图说明
所附的附图将使得很好地理解本发明如何实施。在附图中，一些相同的附图标记表示了类似的元件。
图1是本发明的飞机的前部和上部的立体视图；和
图2是图1的飞机的平面视图。
具体实施方式
飞机1由图1和2简示示出，根据本发明，包括两个相对机身4侧向关于纵轴L-L对称设置的机翼2，3。
飞机1的后部垂直尾翼包括两个方向舵5和6，它们与机身4的后部分7共同形成了管道8，该管道8设置在所述飞机的背部上。该管道8朝向高处打开，但是朝向底部(被后部分7)和侧向(被方向舵5和6)关闭。
两个涡轮发动机9和10被该机身4的背部承载并且设置成使得由所述涡轮发动机产生的气流进入所述管道8中。因此，该管道8用作声音挡板，从而朝向底部和侧向降低由涡轮发动机9和10产生的噪音。
飞机1的该起落架(未示出)整体设置在该机身4下面并且在折叠状态时设置在一个位于所述机身的下部分中的隔间11中。
另外，所述机翼2和3具有较小的后掠形φ，例如至多等于10度，还具有大的展弦比(机翼的翼展和该机翼的表面积的平方之比)，例如至少等于10。
因此，根据本发明，该飞机1可以快速起飞并且缓慢降落，从而还降低了当起飞和降落时位于飞机附近的人辨别到的噪音。

Claims (1)

1.一种飞机，包括：
-机身(4)；
-两个机翼(2，3)，相对于该机身(4)侧向设置并且不承载任何发动机；
-后部垂直尾翼，包括至少两个方向舵(5，6)，并且与所述机身(4)的后部分(7)一起形成了位于所述机身的背部上的管道(8)；和
-至少一个设置在所述机身(4)的背部上的涡轮发动机(9，10)，使得由所述涡轮发动机(9，10)产生的气流进入到所述管道(8)中
其特征在于：
-该飞机的主要起落架整体地设置在该机身(11)下面；
-所述机翼(2，3)具有至多等于10度的后掠形(φ)；和
-所述机翼具有至少等于10的展弦比。
CNB2006800120859A 2005-04-13 2006-04-11 特别是在起飞和降落时较小噪音的飞机 Expired - Fee Related CN100564159C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0503666A FR2884492B1 (fr) 2005-04-13 2005-04-13 Aeronef a faible bruit, notamment lors des decollages et des atterrissages.
FR0503666 2005-04-13

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CN101160237A CN101160237A (zh) 2008-04-09
CN100564159C true CN100564159C (zh) 2009-12-02

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US (1) US8074924B2 (zh)
EP (1) EP1871666B1 (zh)
JP (1) JP2008535734A (zh)
CN (1) CN100564159C (zh)
BR (1) BRPI0612338A2 (zh)
CA (1) CA2603823C (zh)
FR (1) FR2884492B1 (zh)
RU (1) RU2388658C2 (zh)
WO (1) WO2006108957A2 (zh)

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BRPI0612338A2 (pt) 2010-11-03
CN101160237A (zh) 2008-04-09
JP2008535734A (ja) 2008-09-04
RU2007141933A (ru) 2009-05-20
US20080191087A1 (en) 2008-08-14
FR2884492A1 (fr) 2006-10-20
RU2388658C2 (ru) 2010-05-10
US8074924B2 (en) 2011-12-13
EP1871666A2 (fr) 2008-01-02
CA2603823A1 (fr) 2006-10-19
WO2006108957A2 (fr) 2006-10-19
EP1871666B1 (fr) 2012-06-27
CA2603823C (fr) 2013-06-11
FR2884492B1 (fr) 2007-05-18
WO2006108957A3 (fr) 2006-12-14

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