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RMIT飞行训练课件-PITOT / STATIC SYSTEMS皮托/静压系统 [复制链接]

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发表于 2010-10-3 08:42:40 |显示全部楼层
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Rank: 9Rank: 9Rank: 9

发表于 2010-10-3 08:42:59 |显示全部楼层
PITOT / STATIC SYSTEMS
Aim
To understand the principles of operation behind a
pitot / static system, considering the possible
errors and limitations involved.
Application
• Used when relying on the pressure instruments.
• ASI, ALT and VSI.
Overview
Revision
Static Pressure
• pressure due to weight of air molecules
pushing down. Reduces with increased
altitude.
Revision
Dynamic Pressure
• pressure due to relative movement.
Depends on density and velocity.
Total Pressure
• PT =
Definitions
• Static Vent
Definitions
• Pitot Tube
Definitions
• Alternate Static Source
Principles
Principles
• Airspeed Indicator
Principles
Principles
• Altimeter
Principles
Principles
• Vertical Speed Indicator
Principles
• VSI
Considerations
Instrument Errors
• due to imperfections in the design and
installation.
Instrument Lag
• response time of pressure instruments can be
slow due to long lines or rapid pressure
changes.
Position Error
• poor design and placement of vents may not be
representative of the free atmospheric pressure.
Considerations - Review
• Blockages
Descent
Static Climb
Blockage
Descent - -
Pitot Climb - -
Blockage
ASI ALT VSI
Over read
Under read
Under read
Over read Over read
Under read Zero
Zero
Airmanship
• Know where the alternate static source is
located
• Always check pitot and static vents during
pre-flight
Review

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Rank: 1

发表于 2013-10-28 19:12:08 |显示全部楼层
感谢楼主万分感谢感谢万分

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Rank: 1

发表于 2015-4-7 22:54:22 |显示全部楼层
谢谢楼主,我正准备去RMIT读书

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