Term
| Bleed Air Pressure Regulator and Shut Off Valve |
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Definition
| Controls air between Engines and Air Flow Check Valve at 95 +/- 15 psi |
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Term
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Definition
| Bleed Air Pressure Regulator and Shut Off Valve |
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Term
| Bleed Air Over Pressure Switch |
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Definition
| Sends signal to ACS Temp/Flow Controller when pressure reaches 150 - 160 psi to have ACS T/F Controller de-energize solenoid on BAPROSOV, causing it to close. |
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Term
| Primary and Secondary Heat Exchanges |
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Definition
| Metal Casing with ducts transport bleed air through this and fins to direct ram air flow across its ducts. |
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Term
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Definition
| Provides Initial Cooling of hot engine Bleed Air |
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Term
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Definition
| Cooling of compressed partially cooled air from compressor section of turbine/compressor |
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Term
| Primary and Secondary Ejector Valves and Ejectors |
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Definition
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Term
| Rate of Ascent's effect on the body |
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Definition
| This can cause discomfort due to rapid expansion of gases |
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Term
The Human Body
Electricity
The Engine
RAM Air
Solar Radiation |
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Definition
| Five Sources of aircraft heat |
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Term
| Bleed Air Over Pressure Switch |
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Definition
| Pressure Activated Electrical Switch |
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Term
Pressurized Area
- Source of Compressed Air
- Method of Conditioning Air
- Method of Controlling Pressure
- Method of Controlling Cabin Pressure Differential |
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Definition
| These are the five basic requirements of an air-conditioning and pressurization system. |
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Term
| Bleed Air Over Pressure Switch |
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Definition
| Closes BAPROSOV when an over pressure condition of 150 to 160 psi exists |
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Term
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Definition
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Term
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Definition
| Flow Modulating Pressure Regulating Valve |
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Term
Temperature
Relative Humidity |
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Definition
| The two factors that affect body comfort |
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Term
| A Rise in Temperature and Pressure |
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Definition
| This is what occurs to air molecules during the compression phase. |
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Term
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Definition
| This type of air is used by a basic Air to Air, Air conditioning System to create refrigerated air. |
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Term
| Modulating and Positive Position Valves |
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Definition
| The two types of Airflow Valves |
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Term
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Definition
| These types of valves are used as shutoff valves. |
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Term
Electric
Pneumatic
Electro/Pneumatic Valves |
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Definition
| The three methods of actuation for valves. |
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Term
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Definition
| This type of valve can assume any position between full open and full closed. |
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Term
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Definition
| This term effectively means always adjusting in the A/C system |
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Term
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Definition
| This component regulates the airflow to the compressor section of the Compressor/Turbine at 85psi +/- 15psi |
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Term
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Definition
| This component regulates the airflow from the compressor section of the Engine at 95psi +/- 15psi. |
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Term
| Bleed Air Pressure Regulator and Shut Off Valve |
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Definition
Electro Pneumatic
Modulating
Butterfly
Spring-loaded Closed
Between A/C System Components and Engine Compressor |
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Term
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Definition
| The amount of energy needed to raise one lb. of water by 1 degree. |
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Term
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Definition
| This component controls the volume of refrigerated air to the cabin/cockpit |
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Term
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Definition
| This component sends an electrical signal to the ACS temp/flow controller to control the position of the FMPRV |
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Term
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Definition
| This component provides initial cooling of the hot engine bleed air. |
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Term
| Purpose of the Primary and Secondary Ejectors |
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Definition
| These components eject Hot Engine Bleed Air into the H/E Ram Air exit ducts to create suction and draw air across the Heat Exchangers. |
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Term
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Definition
| This component is located between the Turbine Section of the Turbine/Compressor and Cabin/Avionics Distribution Valve. |
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Term
ACS Temp/Flow Controller
Cabin Flow Valve
Cabin Add Heat Valve
Cabin Flow/Temp Sensor
Cabin Temperature Control Panel
Cabin Overtemp Sensor |
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Definition
| These components maintain temperature control for the cabin. |
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Term
Pneumatic
Positive Position
Butterfly
Spring loaded open |
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Definition
| Description of the Avionics Ram Air Valve |
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Term
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Definition
| Bleed Air Pressure Regulator Shut Off Valve |
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Term
Electro-Pneumatic
Positive Position
Butterfly
Spring loaded open |
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Definition
| Description of the Cabin Ram Air Valve |
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Term
| Purpose of ACS Temp/Flow Controller |
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Definition
| Receives, interprets, and transmits electrical signals to various components of A/C system and Avionics cooling system. |
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Term
| Description of ACS Temp/Flow Controller |
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Definition
| Metal Case containing all electrical circuitry of A/C comps |
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Term
| Description of Cabin Pressure and Temperature Control Panels: Pressure Control Panel |
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Definition
- Pressurized Cabin Dump/Ground Check Switch
- Canopy OPEN/SEALED switch
- Differential pressure gauge |
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Term
| Description of Cabin Pressure and Temperature Control Panels: Temperature Control Panel |
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Definition
- Air Cycle System switch
- AC/MODE switch
- Ejectors switch
- Thumb Wheel (Cabin Temp)
- Temperature gauge |
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Term
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Definition
- Electro-Pneumatic
- Modulating
- Butterfly
- Spring-loaded closed |
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Term
| Description of Bleed Air Over Pressure Switch |
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Definition
| Pressure activated Electrical Switch |
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Term
| Description of Bleed Air Check Valve |
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Definition
| Dual Flapper, Spring loaded to the closed position |
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Term
| Description of Primary and Secondary Heat Ex-changers |
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Definition
| Metal Casing with ducts to transport bleed air through the H/E and fins to direct ram air flow across the H/E ducts. |
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Term
| Description of Flow Modulating Pressure Regulating Valve Pressure Sensor |
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Definition
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Term
| Purpose of Flow Modulating Pressure Regulating Valve Pressure Sensor |
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Definition
| Senses partially cooled air pressure between FMPRV and Compressor section of Turbine/Compressor for positioning of FMPRV |
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Term
| Description of Turbine/Compressor |
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Definition
| Centrifugal compressor and turbine wheel mounted on a common shaft |
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Term
| Purpose of Turbine/Compressor |
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Definition
| Compresses Partially cooled air, directs it to Secondary H/E for temperature reduction, then to turbine for expansion to further reduce temperature and pressure. |
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Term
| Description of Turbine/Compressor Protective Temperature Sensor |
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Definition
| Fluid Filled Pneumatic Bleed off Thermostat |
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Term
| Purpose of Turbine/Compressor Protective Temperature Sensor |
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Definition
| Protects Turbine/Compressor from overtemp condition |
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Term
| Description of Water Extractor |
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Definition
| In-line integral duct device, which uses a helix and water shave off collector |
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Term
| Description of Ice Sensor |
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Definition
| Electrical pressure sensor |
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Term
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Definition
| detects back pressure due to ice build-up in Water Extractor |
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Term
| Description of Anti-Ice Add Heat Valve |
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Definition
- Electro-Pneumatic
- Modulating
- Butterfly
- Spring-loaded closed |
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Term
| Purpose of Anti-Ice Add Heat Valve |
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Definition
| Maintains Turbine outlet Temperature to stop ice build-up in the Water Extractor |
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Term
| Description of Cabin/Avionics Distribution Valve |
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Definition
- Electric
- Modulating
- Butterfly |
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Term
| Purpose of Cabin/Avionics Distribution Valve |
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Definition
| Controls amount of Refrigerated Air to the Avionics Cooling System and the Cabin Cooling System |
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Term
| Description of Cabin Flow Valve |
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Definition
- Electric
- Modulating
- Butterfly |
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Term
| Purpose of Cabin Flow Valve |
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Definition
| Controls volume of refrigerated air entering cabin Cooling System |
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Term
| Description of Cabin Add Heat Valve |
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Definition
- Electro-Pneumatic
- Modulating
- Butterfly
- Spring-Loaded Closed |
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Term
| Purpose of Cabin Add Heat Valve |
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Definition
| Regulates amount of hot engine bleed air mixing with the refrigerated air to control temperature in the cockpit/cabin. |
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Term
| Description of Cabin Over Temperature Sensor |
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Definition
| Fluid filled pneumatic bleed off thermostat |
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Term
| Purpose of Cabin Over Temperature Sensor |
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Definition
| Prevents excessive temperature build-up in the cockpit/cabin in the event of Temperature Control System malfunction |
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Term
| Description of Cabin Flow/Temperature Sensor |
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Definition
| Electrical flow/temperature sensor |
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Term
| Purpose of Cabin Flow/Temperature Sensor |
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Definition
| Senses the flow/temperature of the Conditioned Air entering the cockpit/cabin. |
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Term
| Description of Cabin Ram Air Valve |
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Definition
- Electro-pneumatic
- Positive Position
- Butterfly
- Spring-loaded open |
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Term
| Purpose of Cabin Ram Air Valve |
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Definition
| Provides RAM air to the cockpit/cabin in the event the Air-conditioning system is shutdown manually or by system malfunction. |
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Term
| Components of Temperature Control |
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Definition
- ACS Temp/Flow Controller
- Cabin Flow Valve
- Cabin Add Heat Valve
- Cabin Flow/Temp Sensor
- Cabin Temperature Control Panel
- Cabin Over Temperature Sensor |
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Term
| Purpose of Temperature Control |
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Definition
| Maintains desired temperature in cockpit/cabin |
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Term
| Description of Avionics Pressure Sensor |
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Definition
| Pressure Activated electrical sensor |
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Term
| Purpose of Avionics Pressure Sensor |
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Definition
| Provides electrical signals for the ACS Temp/Flow Controller in relation to duct pressure |
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Term
| Description of Avionics Temperature Sensor |
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Definition
| Electrical temperature sensor |
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Term
| Purpose of Avionics Temperature Sensor |
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Definition
| Provides electrical signals for the ACS Temp/Flow Controller in relation to duct temperature. |
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Term
| Description of Avionics Ram Air Valve |
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Definition
- Pneumatic
- Butterfly
- Spring-loaded open |
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Term
| Purpose of Avionics Ram Air Valve |
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Definition
| Augments Avionics Cooling system with RAM air |
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Term
| Purpose of Avionics Ram Air Servo |
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Definition
| Monitors the differential pressure across the FMPRV |
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