曝光台 注意防骗
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┃ ┃ ┣━━━━━━━━━━━━━━━━━━━━┫
┃ ┃ ┃ ┃
┃ ┃ ┣━━━━━━━━━━━━━━━━━━━━┫
┃ ┃ ┃I I I ┃
┗━┻━┻━━━━━━━━━━━━━━━━━━━━┛
Variable Bleed Valves (VBV)
The FAOEC controls the VBVs, upstream of the HP compressor. Their setting depends
on compressor inlet temperature and on N2. It varies between full open (start, low
thrust, and during fast deceleration) and full closed (high thrust) positions.
┏━┳━┳━━━━━━━━━━━━━━━━━━━━┓
┃ ┃ ┃ FUEL I ,,~,, ┃
┃ ┃ ┣━━━━━━━━━━━━━━━━━━━━┫
┃ ┃ ┃ ┃
┃ ┃ ┣━━━━━━━━━━━━━━━━━━━━┫
┃ ┃ ┃I I I "~"" ┃
┗━┻━┻━━━━━━━━━━━━━━━━━━━━┛
CCM ALL
┏━━━━━━━━━━━━━━━━┳━━━━━━━┳━━━━━━━━━━━┓
┃I -~ A318 ┃POWER PLANT ┃1.70.40 P 5 ┃
┃ .*,,.8, ,, ~L,~ A319 ┃ ┃ ┃
┃ ┃ ┣━━━━━┳━━━━━┫
┃ Lli,~ A320 ┃ ┃SEQ 105 I ┃I REV 33 ┃
┃ A~7-~'M" A321 ┃ FUEL SYSTEM ┃ ┃ ┃
┃ FLIGHT CREW OPERATING MANUAL ┃ ┃ ┃ ┃
┗━━━━━━━━━━━━━━━━┻━━━━━━━┻━━━━━┻━━━━━┛
Burner Selection Valve (BSV)
The FADEC controls the BS~ which afows fuel to go either to 2& 3& or 40 fuel nozzles
FUEL
20/0 MODE
LOW POWER
MODE
20/2^5 MODE
TRANSITION
MODE
20/20 MODE
HIGH POWER
MODE
It supplies 20 nozzles permanently.
In the 20/2 A 5 mode, 5 groups of 2 fuel nozzles of the inner combustion chamber are
supplied. The 20 nozzles of the outer chamber are supplied.
In the 20/20 mode, all the 40 fuel nozzles are supplied.
In the event of a BSV failure, an internal safety system ensures that the 3 modes are
operative.
FUEL FROM FMV
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本文链接地址：
AIRBUS A320 Flight Crew Operating Manual5(163)
