cabin atmos

• It is an internal combustion engine that uses one or more reciprocating piston

  Reciprocating engine
• A rotary engine that extracts energy from a flow of combustion gases.

  Turbine engine
• Ambient air is drawn into the engine intake where an _ or a _ compressor (or both) increases both the pressure and temperature of the air before feeding it into the combustion chamber.

  axial and centrifugal
• 2 means to keep pressurization air cool enough

  Heat exchanger and full air cycle air conditioning system
• The compression of air _ its temperature

  raises
• Turboprop aircraft often use this device

  turbocompressor
• Outside air is drawn in and compressed. It is mixed with the bleed air outflow from the turbine and is sent to the pressure vessel.

  Turbine engine compressor
• What is the advantage of the jet pump flow multiplier?

  lack of moving parts
• The disadvantage of the jet pump flow multiplier is only a _ can be pressurized in this manner.

  relatively small volume of space
• Mounted in air ducting that has one end open to the ambient air and the other end directed into the compartment to be pressurized.

  venturi jet pump
• Smaller turbine aircraft, or sections of a large aircraft, may make use of a

  jet pump flow multiplier
• With this device, bleed air is tapped off of the turbine engine's compressor section

  jet pump flow multiplier
• 2 different ways hot, high pressure bleed air can be exploited are

  Jet pump flow multiplier and turbine engine compressor
• Modern large-cabin turbofan engine aircraft contain recirculation fans to reuse up to _ percent of the air in the cabin, maintaining high engine output

  50
• The main principle of operation of this engine involves the compression of large amounts of air to be mixed with fuel and burned.

  Turbine engine
• This engine is relatively free of contaminants. As such, it is a great source of air for cabin pressurization.

  Bleed air
• The limiting factors for determining the design ceiling of most reciprocating aircraft, which typically does not exceed _ feet.

  25,000
• Near _, the performance of any reciprocating engine and the pressurization compressor suffer.

  maximum operating altitude
• This engine aircraft overcome these shortcomings, permitting them to fly at much higher altitudes

  turbine engine aircraft
• Turbine engine aircraft overcome these shortcomings, permitting them to fly at much _ altitudes

  higher
• Both _ and _ are oil lubricated

  superchargers and turbochargers
• This is part of the fuel intake system

  Supercharger
• This is part of the exhaust system

  Turbocharger
• This component is driven by the exhaust

  Turbine
• This component pressurizes the incoming air

  Compressor
• Sometimes known as "turbosuperchargers"

  Turbchargers
• Is driven by engine exhaust gases

  Turbochargers
• Is the most common source of pressurization on modern reciprocating engine aircraft

  Turbochargers
• What are the 2 components of turbochargers?

  Turbine and compressor
• By using some of the turbocharger compressed air for cabin pressurization, less is available for the intake charge, resulting in _ overall engine performance

  lower
• What are the two types of engine driven compressor?

  Belt driven and gear driven
• An independent, dedicated compressor for pressurization

  engine driven compressor
• Engine driven compressor avoids some of the potential contamination issues of _ and _.

  Superchargers and turbochargers
• The _ does, however, add significant weight. It also consumes engine output since it is engine driven

  compressor device
• Is used to maintain a constant rate of airflow during changes of engine rpm

  Ratio gear drive system
• A type of engine driven compressor that is also found on reciprocating engine aircraft

  Independent engine-driven centrifugal compressor
• Found on older pressurized aircraft is gear driven by the engine. It pressurizes air as the rotors rotate very close to each other without touching.

  Roots blower
• Can be used as a source of pressurization if it is upstream of carburetion.

  Supercharger
• Mechanically driven by the engine

  Supercharger
• Have limited capability to increase engine performance.

  Superchargers