ANTI-ICING SYSTEM

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Author:
carLORENZ0
ID:
257818
Filename:
ANTI-ICING SYSTEM
Updated:
2014-01-22 04:23:40
Tags:
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Folders:
XI
Description:
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  1. - designed to prevent ice from forming on critical areas of the aircraft which could possibly cause an aircraft mishap or even an accident.
    Purpose of Anti-icing System
  2. + All 4 Engines 

    + (GTC) Gas Turbine Compressor 

    + - 60
    Air Source
  3. + Solenoid Controlled 
    + Air OPENED
    - spring CLOSED 
    - VENT IS OPEN = VALVE IS OPEN.
    Anti-Ice Valve
  4. + control device 
    + maintains a sage operating temperature.
    - cycles anti-ice valves OPEN & CLOSED
    - Housed in a glass tube
    + It expands temp ^
    - good conductor 
    + therefore acts as a SW.
    Mercury Thermostat
  5. - prevents valve from opening & closing constantly.
    Holding Circuit
  6. - located in FLT deck. 

    + Overhead Panel
    - Total of 6 - One for each section. 
    + Used to monitor temperature @ leading edge. 
    - Controlled by sensing bulbs.
    Temperature Indicator
  7. - controls temp. indic.

    + negative temperature coefficient of resistance. 
    - 6 in the C-130 wing leading edge & empennage anti-icing sys. 
    + one for each indicator.
    Sensing Bulb
  8. + 6 Total 
    - Used to verify an over heat condition. 
    + receives signal form thermostat
    - used in conj. w/ temp. indic. 
    + pilot music shut sys. down when LIT.
    Overheat Warning Light
  9. + 2 for each anti-icing valve (12)
    + Dual Thermo Stat cover a larger area.
    - Normally Open
    + Closed @ Approx. 215 Degrees F. 
    - When Closed / Completes Circuit for Overheat Warning Lights.
    Overheat warning Thermostats
  10. + Ensures even airflow through the entire wing. 
    - Air that leaves the passages is re-circulated 
    + same is air is vented overboard.
    Wing Passages
  11. + Direct Bleed air into Venturi 
    - Creates low pressure area.
    + Low pressure pulls in ambient air. 

    + Hot & Cool Air mixes between the nozzle & Venturi.  
    + Lowers the temp or the air helping to prevent heat damage.
    Ejector Nozzles
  12. 2 separate sys:  Left & Right Wing

    2 sections - Inboard & Outboard

    Anti-ice valve for each section. 

    - controlled by 1 anti-ice SW.
    Anti- Ice System:
  13. 2 sections: Left & Right

    Left: Left horizontal stabilizer 
            Upper portion of vertical stabilizer

    Right: Right horizontal stabilizer 
              Lower portion of vertical stabilizer

    - 1 Anti-Ice valve in each section.
    - controlled by 1 SW.
    Empennage Anti-Ice Sys

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